Sworn Translator Service

Sworn Translations for Civil-Law Jurisdictions

A Sworn Translator (Vereidigter Übersetzer, Traducteur assermenté, Traductor jurado, Traduttore giurato) is a translator formally authorised by the courts of a civil-law country. Their translations are legal instruments in their own right — accepted directly by courts, civil registries, ministries, and universities without notarisation. NYC Legal matches your document with a sworn translator in our network of 400+ across 22 countries, including court stamp and both-side Apostille when required.

How does a Sworn Translator differ from a certified translator in Thailand?

Thai-certified translations (MoJ Translator or Association of Thai Translators) still need Notary + MFA + destination-embassy legalisation before overseas use. A Sworn Translator is empowered directly by the destination country's courts — their translation is a public act, accepted immediately by courts, civil registries, ministries, and universities. This saves 5–10 days and around THB 3,000–5,000 per file.

What's included

Supported languages / countries

  • 🇩🇪 German (Vereidigter Übersetzer, OLG)
  • 🇫🇷 French (Traducteur assermenté, Cour d'appel)
  • 🇪🇸 Spanish (Traductor-Intérprete Jurado, MAEC)
  • 🇮🇹 Italian (Traduttore giurato, Tribunale)
  • 🇵🇹 Portuguese + 🇧🇷 Brazilian (Tradutor Público, JUCESP)
  • 🇳🇱 Dutch (Beëdigd vertaler, Bureau Wbtv)
  • 🇧🇪 Belgian (Traducteur juré, SPF Justice)
  • 🇵🇱 Polish (Tłumacz przysięgły, Ministry of Justice)
  • 🇦🇷 Argentine + 🇨🇱 Chilean + 🇲🇽 Mexican
  • 🇷🇴 Romanian· 🇭🇺 Hungarian· 🇨🇿 Czech· 🇸🇰 Slovak

Documents we translate

  • Birth· marriage· divorce· death certificates
  • Single-status affidavits· police-clearance records
  • Academic transcripts· diplomas· Diploma Supplements
  • Employment references· payroll· tax records
  • Sale contracts· powers of attorney· affidavits
  • Court judgements· corporate registry (DBD) extracts
  • Trust deeds· wills· deeds of guarantee

Workflow

  • 1. Send the source PDF for a word-count quote
  • 2. We select a Sworn Translator in the destination country (court-matched)
  • 3. Translation + sworn stamp (7–10 working days)
  • 4. If used in a third country → add Apostille at source
  • 5. Courier signed PDF + hard copy to you

Compare service packages

Standard
Turnaround
3-5 business days
Starting price / page
THB 300
Accredited translator seal
MFA Consular legalization
Add-on
Destination embassy attestation
You handle no queue
Domestic delivery
EMS/Kerry
Quality guarantee
1 review pass
Express
Turnaround
1-2 business days
Starting price / page
THB 500 (+50%)
Accredited translator seal
MFA Consular legalization
Add-on
Destination embassy attestation
You handle no queue
Domestic delivery
Messenger THB 200
Quality guarantee
1 review pass
Full-Service
Turnaround
5-10 business days
Starting price / page
Bundle inc. MFA + Embassy
Accredited translator seal
MFA Consular legalization
✓ Included
Destination embassy attestation
✓ 30+ embassies
You handle no queue
Domestic delivery
Included
Quality guarantee
2 reviews + notary

Prices per A4 page (English). Other languages (Chinese/Japanese/Arabic/Russian) per language sheet.

Related services

Continue reading — commonly bundled with this service.

Frequently asked

Q.When must I use a Sworn Translator?

Whenever you submit documents to courts or public authorities in civil-law jurisdictions — e.g. German naturalisation (Einbürgerung), Spanish marriage registration, NIE application, French PACS, Italian Codice Fiscale, degree recognition through ANECA (ES) or ZAB (DE), Brazilian divorce filings, etc.

Q.How long does it take?

7–10 working days for main EU languages (DE, FR, ES, IT), 10–15 days for LATAM, rush 3–5 days at +50%.

Q.Starting price?

From THB 1,800 per page (~250 words) for major European languages; THB 2,400 for rarer languages (PL, NL, RO, HU). 15% off for 5-page bundles.

Q.Apostille before or after translation?

As a rule, Apostille the original first, then have the Sworn Translator translate the original + Apostille together — required by Germany, Spain, and France. Italy and Brazil sometimes accept translation first, then a single Apostille over both.

Q.Can a Sworn Translation be used in Thailand?

Yes, in reverse — e.g. a German birth certificate translated into Thai by a Vereidigter Übersetzer + German Apostille can be filed at Thai civil registry directly. It still requires MFA legalisation on the Thai side.

Q.How does this differ from NAATI?

NAATI covers Australia/New Zealand (common-law); Sworn Translators cover EU/LATAM (civil-law). Both are the top-tier accepted translation in their respective jurisdictions and skip the Notary step.

Q.Where can I verify a Sworn Translator?

Germany: justiz-dolmetscher.de· France: annuaire-traducteur-assermente.fr· Spain: mae.es (Oficina de Interpretación de Lenguas, MAEC)· Italy: CTU list per Tribunale.

Ready to start?

Free consultation. We confirm requirements with the destination authority before quoting.

12 from our master question bank, written fresh per page

Cross-service questions, answered by the NYC Legal team

483. Do you provide full-set translation and MFA legalization for a Thai wife applying for foreign citizenship through marriage?

The only question that matters is whether the receiving authority accepts it, so we confirm their requirement first and then apply exactly the tier needed — nothing more. One coordinator owns the matter end to end and reports progress by LINE or email at the intervals you set. Tell us where the document will be used and you will get a plan and a price the same business day. Private documents such as powers of attorney or contracts must first pass a notarial services attorney before they can enter the legalisation stage. Caution: government fees follow the authority's published rate and are separate from professional fees; check the current rate on the official website first. Keep a digital copy of the finished certified set so it can be referenced if the destination asks for additional documents or a re-filing. Caution: processing time depends on each authority's queue, so allow buffer before the date the document is actually needed. Send scans of every page for review before sending originals; that is when faded seals, passport-spelling mismatches and expired documents can still be corrected. Check current legalisation requirements at the Department of Consular Affairs (consular.mfa.go.th) and Apostille membership at hcch.net.

304. Can I hire a legal interpreter to translate real estate transactions in front of a Thai land office official?

Assignments are booked as half or full days with a standby interpreter, and every interpreter signs an NDA before entering the room. Quotations separate government fees from professional fees line by line, so nothing appears on the invoice that was not in the quote. Talk to the NYC Legal team on any business day — you get a working plan, not a generic price list. Fix three facts before any work starts: the destination country, the exact authority the file goes to, and the language that authority requires. Those three decide the whole certification chain. Caution: each certification covers only what its own stamp states; it does not make a document automatically acceptable everywhere. Confirm the receiving authority's conditions case by case. Request more than one certified set when several authorities are involved, because most receiving offices keep the certified copy and do not return it. Caution: government fees follow the authority's published rate and are separate from professional fees; check the current rate on the official website first. Check current legalisation requirements at the Department of Consular Affairs (consular.mfa.go.th) and Apostille membership at hcch.net.

How many working days should be allowed for a conference interpreter for a bilingual signing ceremony?

We request briefing material in advance — pleadings, agendas, decks, technical terms — and build a case glossary so legally loaded terms are never improvised. Government fees follow each authority's published rate, while professional fees are quoted per case by document count and destination, in full before work starts. Tell us where the document will be used and you will get a plan and a price the same business day. Send scans of every page for review before sending originals; that is when faded seals, passport-spelling mismatches and expired documents can still be corrected. Caution: never unbind, trim or separate pages after an authority has sealed the set — doing so voids the certification. Fix three facts before any work starts: the destination country, the exact authority the file goes to, and the language that authority requires. Those three decide the whole certification chain. Caution: government fees follow the authority's published rate and are separate from professional fees; check the current rate on the official website first. Check current legalisation requirements at the Department of Consular Affairs (consular.mfa.go.th) and Apostille membership at hcch.net.

Which documents must be prepared for a court interpreter booked for a hearing?

We request briefing material in advance — pleadings, agendas, decks, technical terms — and build a case glossary so legally loaded terms are never improvised. Quotations separate government fees from professional fees line by line, so nothing appears on the invoice that was not in the quote. Send your documents for a free assessment at +66-83-249-4999 or contact@nyconlinetranslation.com. Private documents such as powers of attorney or contracts must first pass a notarial services attorney before they can enter the legalisation stage. Caution: government fees follow the authority's published rate and are separate from professional fees; check the current rate on the official website first. Keep a digital copy of the finished certified set so it can be referenced if the destination asks for additional documents or a re-filing. Caution: each certification covers only what its own stamp states; it does not make a document automatically acceptable everywhere. Confirm the receiving authority's conditions case by case. Request more than one certified set when several authorities are involved, because most receiving offices keep the certified copy and do not return it. Check current legalisation requirements at the Department of Consular Affairs (consular.mfa.go.th) and Apostille membership at hcch.net.

433. Do you offer income tax planning for foreign YouTubers or digital nomads holding a DTV visa in Thailand?

Financial evidence and relationship evidence are where applications fail most often, so both are reviewed before anything is filed. If the receiving authority rejects a file for a reason attributable to our work, we correct and re-file it at no additional professional fee. Tell us where the document will be used and you will get a plan and a price the same business day. Keep a digital copy of the finished certified set so it can be referenced if the destination asks for additional documents or a re-filing. Caution: each certification covers only what its own stamp states; it does not make a document automatically acceptable everywhere. Confirm the receiving authority's conditions case by case. The workable order is: check that the source document is complete and legible, translate it, certify the translation, file for legalisation with the Department of Consular Affairs, then obtain the destination embassy's certification — or an Apostille where the destination is a convention party. Caution: processing time depends on each authority's queue, so allow buffer before the date the document is actually needed. Check current legalisation requirements at the Department of Consular Affairs (consular.mfa.go.th) and Apostille membership at hcch.net.

359. Is there a package that includes Thailand Privilege (Elite Visa) application, condo sourcing, and bank account opening?

The standard chain is police clearance, certified translation, MFA legalization or Apostille, then the destination authority's own forms — handled in one matter file. Processing time depends on each authority's queue, so the working order and the expected return date are confirmed before any work begins. Talk to the NYC Legal team on any business day — you get a working plan, not a generic price list. Send scans of every page for review before sending originals; that is when faded seals, passport-spelling mismatches and expired documents can still be corrected. Caution: each certification covers only what its own stamp states; it does not make a document automatically acceptable everywhere. Confirm the receiving authority's conditions case by case. Private documents such as powers of attorney or contracts must first pass a notarial services attorney before they can enter the legalisation stage. Caution: government fees follow the authority's published rate and are separate from professional fees; check the current rate on the official website first. Check current legalisation requirements at the Department of Consular Affairs (consular.mfa.go.th) and Apostille membership at hcch.net.

369. Can an agency assist in getting a Residence Certificate from Immigration for buying a car or getting a Thai driver's license?

We track Immigration, Department of Employment, BOI and destination-embassy requirements monthly, because these change more often than applicants expect. If the receiving authority rejects a file for a reason attributable to our work, we correct and re-file it at no additional professional fee. Tell us where the document will be used and you will get a plan and a price the same business day. Send scans of every page for review before sending originals; that is when faded seals, passport-spelling mismatches and expired documents can still be corrected. Caution: processing time depends on each authority's queue, so allow buffer before the date the document is actually needed. Request more than one certified set when several authorities are involved, because most receiving offices keep the certified copy and do not return it. Caution: each certification covers only what its own stamp states; it does not make a document automatically acceptable everywhere. Confirm the receiving authority's conditions case by case. Private documents such as powers of attorney or contracts must first pass a notarial services attorney before they can enter the legalisation stage. Check current legalisation requirements at the Department of Consular Affairs (consular.mfa.go.th) and Apostille membership at hcch.net.

Which documents and evidence must be ready before starting assembling a document pack ahead of a biometrics appointment?

For visa, work permit and BOI files we build the timeline backwards from your appointment date and stage each certification layer so nothing needs a rush fee twice. If the receiving authority rejects a file for a reason attributable to our work, we correct and re-file it at no additional professional fee. Talk to the NYC Legal team on any business day — you get a working plan, not a generic price list. Private documents such as powers of attorney or contracts must first pass a notarial services attorney before they can enter the legalisation stage. Caution: never unbind, trim or separate pages after an authority has sealed the set — doing so voids the certification. Keep a digital copy of the finished certified set so it can be referenced if the destination asks for additional documents or a re-filing. Caution: each certification covers only what its own stamp states; it does not make a document automatically acceptable everywhere. Confirm the receiving authority's conditions case by case. Send scans of every page for review before sending originals; that is when faded seals, passport-spelling mismatches and expired documents can still be corrected. Check current legalisation requirements at the Department of Consular Affairs (consular.mfa.go.th) and Apostille membership at hcch.net.

Does preparing documents for a regional headquarters require a certified translation to be attached?

For import, export and special licences we keep the Board of Trade and agency template packs ready in advance. One coordinator owns the matter end to end and reports progress by LINE or email at the intervals you set. Tell us where the document will be used and you will get a plan and a price the same business day. Private documents such as powers of attorney or contracts must first pass a notarial services attorney before they can enter the legalisation stage. Caution: never unbind, trim or separate pages after an authority has sealed the set — doing so voids the certification. The workable order is: check that the source document is complete and legible, translate it, certify the translation, file for legalisation with the Department of Consular Affairs, then obtain the destination embassy's certification — or an Apostille where the destination is a convention party. Caution: processing time depends on each authority's queue, so allow buffer before the date the document is actually needed. Send scans of every page for review before sending originals; that is when faded seals, passport-spelling mismatches and expired documents can still be corrected. Check current legalisation requirements at the Department of Consular Affairs (consular.mfa.go.th) and Apostille membership at hcch.net.

378. How can a foreigner's restaurant or bar apply for alcohol and tobacco distribution licenses in Thailand?

Regional headquarters, IBC and industrial licence files move through several agencies at once, so we run them as a single plan with one named coordinator. One coordinator owns the matter end to end and reports progress by LINE or email at the intervals you set. Send your documents for a free assessment at +66-83-249-4999 or contact@nyconlinetranslation.com. Private documents such as powers of attorney or contracts must first pass a notarial services attorney before they can enter the legalisation stage. Caution: each certification covers only what its own stamp states; it does not make a document automatically acceptable everywhere. Confirm the receiving authority's conditions case by case. Send scans of every page for review before sending originals; that is when faded seals, passport-spelling mismatches and expired documents can still be corrected. Caution: government fees follow the authority's published rate and are separate from professional fees; check the current rate on the official website first. Keep a digital copy of the finished certified set so it can be referenced if the destination asks for additional documents or a re-filing. Check current legalisation requirements at the Department of Consular Affairs (consular.mfa.go.th) and Apostille membership at hcch.net.

380. Do you provide corporate amendment services for updating the shareholder list (Bor Or Jor 5) and changing authorized directors?

M&A and fundraising work demands speed and confidentiality, so we sign the NDA before intake and ring-fence a closed team for the matter. One coordinator owns the matter end to end and reports progress by LINE or email at the intervals you set. Talk to the NYC Legal team on any business day — you get a working plan, not a generic price list. Request more than one certified set when several authorities are involved, because most receiving offices keep the certified copy and do not return it. Caution: processing time depends on each authority's queue, so allow buffer before the date the document is actually needed. Send scans of every page for review before sending originals; that is when faded seals, passport-spelling mismatches and expired documents can still be corrected. Caution: each certification covers only what its own stamp states; it does not make a document automatically acceptable everywhere. Confirm the receiving authority's conditions case by case. Private documents such as powers of attorney or contracts must first pass a notarial services attorney before they can enter the legalisation stage. Check current legalisation requirements at the Department of Consular Affairs (consular.mfa.go.th) and Apostille membership at hcch.net.

Can an authorised representative handle a full family relocation document package on the client's behalf?

Cross-border marriage and family files run from the affirmation of freedom to marry through legalization, the district office registration, and the report back to your home embassy. One coordinator owns the matter end to end and reports progress by LINE or email at the intervals you set. Send your documents for a free assessment at +66-83-249-4999 or contact@nyconlinetranslation.com. The workable order is: check that the source document is complete and legible, translate it, certify the translation, file for legalisation with the Department of Consular Affairs, then obtain the destination embassy's certification — or an Apostille where the destination is a convention party. Caution: government fees follow the authority's published rate and are separate from professional fees; check the current rate on the official website first. Request more than one certified set when several authorities are involved, because most receiving offices keep the certified copy and do not return it. Caution: never unbind, trim or separate pages after an authority has sealed the set — doing so voids the certification. Check current legalisation requirements at the Department of Consular Affairs (consular.mfa.go.th) and Apostille membership at hcch.net.

Primary sources & verification

Every procedural statement on this page is checked against the issuing authority below. Where an authority updates its requirements, this page is corrected — we do not restate outdated procedure.

Government fees quoted anywhere on this site are the authorities' own statutory rates. Our professional fees are quoted per case — contact us by phone, LINE or email for a written quotation.

A decision guide grounded in the agencies' own rules

A systematic way to compare providers

Searching for “แนะนำแปลข้อตกลงการรับสิทธิประโยชน์หุ้นส่วนพนักงาน (ESOP)” should not be decided by search ranking. Decide on the provider can carry the file to the end of the chain and translator is recognised by the receiving authority. Ask for the named person handling your file, a quotation that separates government fees from service fees, and the written rejection remedy. Providers who answer all three instantly are usually the ones filing certified document translation every week.

Selection criteria

The provider can carry the file to the end of the chain
Translation is rarely the last step — consular endorsement, embassy attestation, or notarisation usually follows. One provider across the chain means fewer handovers and fewer transcription errors.
Translator is recognised by the receiving authority
Files going to Thailand's Department of Consular Affairs must be translated by a translator that the Legalization Division accepts; anything filed in Australia must come from a NAATI-certified translator. Ask for the translator's name and registration number before you commit.
Samples of the same document type
Ask to see a redacted sample of your exact document type. You will immediately see whether the letterhead, certification wording, and layout look familiar to the receiving office.
A delivery date they will actually commit to
Ask for a working-day date, not the word 'fast', and ask separately whether government queue time is inside or outside that date.
Personal-data handling
Documents sent for translation carry ID numbers, bank details, and family data. Choose a provider with a stated retention/deletion policy and a named data controller under Thailand's PDPA.
Written accountability if the translation is rejected
A confident provider states in the quotation that a consular or embassy rejection caused by the translation is re-done and re-filed at no further service charge.

Red flags to avoid

  • Pushes for full payment before the scope is confirmed in writing
  • No verifiable office address or contact trail
  • Quotes one lump sum without separating service fees from government fees
  • Promises a guaranteed 100% approval when approval sits with the receiving authority
  • Refuses to say who the translator is or where they are registered

The four-step decision sequence

  1. Step 1Identify the receiving authority and its certification rule before choosing a provider
  2. Step 2Send document photos for scoping and request a quote that separates service fees from government fees
  3. Step 3Verify name spellings against your passport before anything is sent for endorsement
  4. Step 4Confirm the delivery date in working days and how you will track status

FAQ before choosing a provider

How should I choose a certified document translation provider?

Start from the receiving authority, not the provider. Establish who will receive the document and what their rule is, then filter providers on "The provider can carry the file to the end of the chain". Translation is rarely the last step — consular endorsement, embassy attestation, or notarisation usually follows. One provider across the chain means fewer handovers and fewer transcription errors.

What are the warning signs when choosing certified document translation?

The clearest one is: Pushes for full payment before the scope is confirmed in writing. Also be wary of a single bundled price with no government-fee breakdown, and of any reluctance to put the scope in writing.

What should I ask before engaging a certified document translation provider?

Three questions: who personally handles my file, what the actual government fees are and how they are separated from the service fee, and what happens — and at what cost — if the file is rejected. Based on the practice of the Legalization Division, Department of Consular Affairs, Thai Ministry of Foreign Affairs (consular.mfa.go.th), and NAATI standards for documents used in Australia.

If you are unsure which criterion your case turns on, send document photos for a pre-assessment. We will name the correct route and the real risks even if you do not go ahead with us. Based on the practice of the Legalization Division, Department of Consular Affairs, Thai Ministry of Foreign Affairs (consular.mfa.go.th), and NAATI standards for documents used in Australia.

Before you start: Translation & certification of translations

Practical guidance

  • Spell every name in the translation exactly as it appears in the passport, including titles and middle-name order.
  • Confirm the receiving authority and destination country first — translator qualification and certification layers are dictated by the destination, not by the document type.
  • Ask about current processing windows before booking flights or an appointment abroad — authority queues shift through the year.
  • Provide proper nouns, organisation names and preferred terminology so the whole bundle stays consistent.

Cautions & common rejections

  • Unclear scans or missing pages produce an incomplete translation that fails at the next certification layer.
  • Submitting a photocopy where an original or certified extract is required gets refused at the very next certification layer.
  • Editing a translation after certification voids that certification and requires it to be redone.
  • Government fees and turnaround times change. Re-check them with the issuing authority close to your submission date.

What to have ready

  • Your deadline, so the certification steps can be sequenced in time
  • The name of the receiving authority and destination country
  • The receiving authority and the required certification system
  • The original document or a certified extract from the issuing authority

Reviewed 2026-08. Government fees and processing times are set by the authorities and can change — verify with them before filing. Our professional fees are quoted per case by phone, LINE or email.

10 of 1,600 curated questions, each answered fresh per page

1,600 real multi-language translation & legalization questions — answered by NYC Legal

Q335064.What name-spelling and date pitfalls should be watched in notarising the translator's signature?

A Thai Notarial Services Attorney (Lawyers Council) certifies signatures and true copies. You receive a written checklist and timeline confirmation before any work starts. Quoted prices cover every agreed step — no hidden charges. In practice you send high-resolution colour scans of every page, name the destination country and authority, and confirm the passport spelling of all personal names; the translator then issues the translation with a certificate of accuracy attached. Caution: machine output, or a translation supplied without a signed certificate of accuracy, is normally refused at the document-check stage. Check certified-translation requirements for Thai filings at consular.mfa.go.th, and verify a NAATI practitioner's credential at naati.com.au. Before work starts, check whether the destination requires a registered translator (NAATI for Australia, a sworn translator for much of continental Europe) or accepts an agency-certified translation — the two are not interchangeable. Caution: some authorities accept only translations issued within a set window even when the source document has not changed, so confirm that window before ordering.

Q335096.With a tight travel date, what contingency plan suits notarising the translator's signature?

Thailand deposited its instrument of accession to the Apostille Convention on 30 June 2026; the Convention enters into force for Thailand on 28 February 2027, so until then consular legalization plus embassy attestation still applies (source: HCCH). Files are archived as PDF/A in an ISO 27001 vault and sent for your review before hard copies ship. Send scans to LINE @NYCLI and we quote within 15 minutes. Before work starts, check whether the destination requires a registered translator (NAATI for Australia, a sworn translator for much of continental Europe) or accepts an agency-certified translation — the two are not interchangeable. Caution: some authorities accept only translations issued within a set window even when the source document has not changed, so confirm that window before ordering. Check certified-translation requirements for Thai filings at consular.mfa.go.th, and verify a NAATI practitioner's credential at naati.com.au. For interpreting, state in advance whether the assignment is simultaneous or consecutive, the number of hours and the venue, and send background material so the interpreter can prepare the specialist terminology.

Q7334.What legal standards govern Royal Gazette publication translations for litigation?

We maintain a per-matter glossary so terminology stays consistent across the whole bundle. You receive a written checklist and timeline confirmation before any work starts. Send scans to LINE @NYCLI and we quote within 15 minutes. In practice you send high-resolution colour scans of every page, name the destination country and authority, and confirm the passport spelling of all personal names; the translator then issues the translation with a certificate of accuracy attached. Caution: machine output, or a translation supplied without a signed certificate of accuracy, is normally refused at the document-check stage. Check certified-translation requirements for Thai filings at consular.mfa.go.th, and verify a NAATI practitioner's credential at naati.com.au. Before work starts, check whether the destination requires a registered translator (NAATI for Australia, a sworn translator for much of continental Europe) or accepts an agency-certified translation — the two are not interchangeable. Caution: some authorities accept only translations issued within a set window even when the source document has not changed, so confirm that window before ordering.

Q7814.Does a Russia document need an Apostille or embassy legalization for use in Thailand?

Russia is an Apostille (HCCH) member, so an Apostille replaces embassy attestation. Thailand itself is not a party to the Apostille Convention, so documents used in Thailand still pass through embassy/consular attestation and the Department of Consular Affairs. Verify the current HCCH status table before filing. For documents filed with Thai authorities or an embassy, plan the whole chain up front: translation, certification of the translation, legalisation at the Department of Consular Affairs, then endorsement at the destination embassy where required. Caution: names in the translation must match the passport letter for letter; where the source document differs from the passport, flag it in advance so a translator's note can be added. Proper nouns, place names and institution names should be fixed in a glossary and reused across every document in the same bundle, so the receiving officer does not read them as different people or different institutions. Caution: never edit the delivered file yourself — the certificate of accuracy covers only the exact text the translator signed. Check certified-translation requirements for Thai filings at consular.mfa.go.th, and verify a NAATI practitioner's credential at naati.com.au.

Q7451.How to process psychotropic and narcotic substance import license translations?

We split work into two lanes: foreign documents used in Thailand, and Thai documents sent abroad. Each job passes a two-stage review — native linguist then legal officer — before the certificate is issued. Send scans to LINE @NYCLI and we quote within 15 minutes. Seals, signatures and handwritten notes must be transcribed and marked in the translation — for example [seal] or [illegible signature] — otherwise the destination may treat the translation as incomplete. Caution: some authorities accept only translations issued within a set window even when the source document has not changed, so confirm that window before ordering. Check certified-translation requirements for Thai filings at consular.mfa.go.th, and verify a NAATI practitioner's credential at naati.com.au. Before work starts, check whether the destination requires a registered translator (NAATI for Australia, a sworn translator for much of continental Europe) or accepts an agency-certified translation — the two are not interchangeable.

Q7274.What clinical trial and medical document translation workflows exist?

Medical papers need the issuing physician's signature and licence number to be certifiable further up the chain. Our Thai/English/Chinese desk replies within 15 minutes during business hours. Send scans to LINE @NYCLI and we quote within 15 minutes. Before work starts, check whether the destination requires a registered translator (NAATI for Australia, a sworn translator for much of continental Europe) or accepts an agency-certified translation — the two are not interchangeable. Caution: never edit the delivered file yourself — the certificate of accuracy covers only the exact text the translator signed. Check certified-translation requirements for Thai filings at consular.mfa.go.th, and verify a NAATI practitioner's credential at naati.com.au. Proper nouns, place names and institution names should be fixed in a glossary and reused across every document in the same bundle, so the receiving officer does not read them as different people or different institutions. Caution: machine output, or a translation supplied without a signed certificate of accuracy, is normally refused at the document-check stage.

Q7770.What legalization chain applies to France corporate documents filed in Thailand?

Certificates of incorporation, powers of attorney and board resolutions are authenticated under France rules (traducteur assermenté registered with a French Cour d'appel), then attested by the embassy and the Department of Consular Affairs before filing with the Department of Business Development. In practice you send high-resolution colour scans of every page, name the destination country and authority, and confirm the passport spelling of all personal names; the translator then issues the translation with a certificate of accuracy attached. Caution: some authorities accept only translations issued within a set window even when the source document has not changed, so confirm that window before ordering. For documents filed with Thai authorities or an embassy, plan the whole chain up front: translation, certification of the translation, legalisation at the Department of Consular Affairs, then endorsement at the destination embassy where required. Caution: never edit the delivered file yourself — the certificate of accuracy covers only the exact text the translator signed. Check certified-translation requirements for Thai filings at consular.mfa.go.th, and verify a NAATI practitioner's credential at naati.com.au.

Q7386.How to process Thai commercial fishing license translations for Thai waters?

We split work into two lanes: foreign documents used in Thailand, and Thai documents sent abroad. Each job passes a two-stage review — native linguist then legal officer — before the certificate is issued. Send scans to LINE @NYCLI and we quote within 15 minutes. Seals, signatures and handwritten notes must be transcribed and marked in the translation — for example [seal] or [illegible signature] — otherwise the destination may treat the translation as incomplete. Caution: some authorities accept only translations issued within a set window even when the source document has not changed, so confirm that window before ordering. Check certified-translation requirements for Thai filings at consular.mfa.go.th, and verify a NAATI practitioner's credential at naati.com.au. For interpreting, state in advance whether the assignment is simultaneous or consecutive, the number of hours and the venue, and send background material so the interpreter can prepare the specialist terminology. Caution: names in the translation must match the passport letter for letter; where the source document differs from the passport, flag it in advance so a translator's note can be added.

Q7856.What is needed to translate Denmark civil documents for a Thai marriage registration?

You typically need an affirmation of freedom to marry from your embassy in Thailand, a Thai translation legalised by the Department of Consular Affairs, and identity documents. The district office (amphoe) makes the final acceptance decision on the day of filing. Seals, signatures and handwritten notes must be transcribed and marked in the translation — for example [seal] or [illegible signature] — otherwise the destination may treat the translation as incomplete. Caution: machine output, or a translation supplied without a signed certificate of accuracy, is normally refused at the document-check stage. For documents filed with Thai authorities or an embassy, plan the whole chain up front: translation, certification of the translation, legalisation at the Department of Consular Affairs, then endorsement at the destination embassy where required. Caution: never edit the delivered file yourself — the certificate of accuracy covers only the exact text the translator signed. Proper nouns, place names and institution names should be fixed in a glossary and reused across every document in the same bundle, so the receiving officer does not read them as different people or different institutions. Check certified-translation requirements for Thai filings at consular.mfa.go.th, and verify a NAATI practitioner's credential at naati.com.au.

Q7298.How to translate nuclear power plant safety compliance documentation?

Translations for Thai authorities must mirror the source layout line by line — reviewers compare item by item. Files are archived as PDF/A in an ISO 27001 vault and sent for your review before hard copies ship. Quoted prices cover every agreed step — no hidden charges. In practice you send high-resolution colour scans of every page, name the destination country and authority, and confirm the passport spelling of all personal names; the translator then issues the translation with a certificate of accuracy attached. Caution: names in the translation must match the passport letter for letter; where the source document differs from the passport, flag it in advance so a translator's note can be added. Check certified-translation requirements for Thai filings at consular.mfa.go.th, and verify a NAATI practitioner's credential at naati.com.au. Proper nouns, place names and institution names should be fixed in a glossary and reused across every document in the same bundle, so the receiving officer does not read them as different people or different institutions.

12 of 1,600 curated questions · cited to official sources · no outcome guarantees

1,600 questions on sworn and certified translation — answered by NYC Legal

Q36162.How does choosing a translator whose status matches the destination requirement change once the Apostille Convention takes effect for Thailand on 28 February 2027?

Thailand has no European-style register of sworn translators; certification here runs through the translator's or agency's declaration, then the Consular Department or the embassy. Suggested step: submit multi-document sets together so names and dates stay consistent throughout. Caution: never re-staple, trim or unbind a document once an authority has sealed it. Check current information with the Department of Consular Affairs (https://consular.mfa.go.th/th/page/apostille) and HCCH (https://www.hcch.net/en/news-archive/details/?varevent=1158). Professional fees are quoted per case by document count and destination — ask our team by phone, LINE or email. Get the name of the receiving authority and read its requirements directly on its own website, because requirements differ even within one country. Caution: where the destination explicitly requires a translator on its own national register, a translation certified in Thailand cannot substitute and must be redone at the destination. Transliterate personal and organisation names from the passport and the body's official name, never by free phonetic rendering. Check the receiving authority's translation requirements directly, and Thai legalisation requirements at consular.mfa.go.th.

Q322098.How many authorities does distinguishing an agency-certified translation from a sworn translator's involve, and what is each responsible for?

Thailand has no European-style register of sworn translators; certification here runs through the translator's or agency's declaration, then the Consular Department or the embassy. Suggested step: get the receiving authority's requirement in writing before preparing anything. Caution: rely on official announcements rather than forum posts for current requirements. Check current information with the Department of Consular Affairs (https://consular.mfa.go.th/th/page/apostille) and HCCH (https://www.hcch.net/en/news-archive/details/?varevent=1158). Professional fees are quoted per case by document count and destination — ask our team by phone, LINE or email. Keep the translation and the source document bound as the certifier arranged them and do not separate them afterwards. Caution: a translation without the translator's certification statement is commonly refused at intake even when the wording is accurate. If several authorities must be served at once, order the extra certified sets up front, since producing them later restarts the process. Check the receiving authority's translation requirements directly, and Thai legalisation requirements at consular.mfa.go.th.

Q222202.Which passport or ID pages does passing a certified translation on to the Consular Department need, and how should the copies be certified?

The Consular Department certifies a translation against the original; incomplete or illegible originals are returned. Suggested step: send scans of every page for a completeness check before the originals travel. Caution: never re-staple, trim or unbind a document once an authority has sealed it. Check current information with the Department of Consular Affairs (https://consular.mfa.go.th/th/page/apostille) and HCCH (https://www.hcch.net/en/news-archive/details/?varevent=1158). Professional fees are quoted per case by document count and destination — ask our team by phone, LINE or email. If several authorities must be served at once, order the extra certified sets up front, since producing them later restarts the process. Caution: check whether the destination limits how recent a certified translation must be, as some accept only recently prepared translations. Establish first whether the destination requires a translator sworn or appointed by its own court, or accepts a translation certified in Thailand and legalised by the Department of Consular Affairs. Check the receiving authority's translation requirements directly, and Thai legalisation requirements at consular.mfa.go.th.

Q322010.How many originals and how many copies does passing a certified translation on to the Consular Department require?

The Consular Department certifies a translation against the original; incomplete or illegible originals are returned. Suggested step: assemble each file as original + translation + passport copy, paired page by page. Caution: names must match the passport spelling on every document or the counter may refuse the file. Check current information with the Department of Consular Affairs (https://consular.mfa.go.th/th/page/apostille) and HCCH (https://www.hcch.net/en/news-archive/details/?varevent=1158). Professional fees are quoted per case by document count and destination — ask our team by phone, LINE or email. If several authorities must be served at once, order the extra certified sets up front, since producing them later restarts the process. Caution: where the destination explicitly requires a translator on its own national register, a translation certified in Thailand cannot substitute and must be redone at the destination. Get the name of the receiving authority and read its requirements directly on its own website, because requirements differ even within one country. Check the receiving authority's translation requirements directly, and Thai legalisation requirements at consular.mfa.go.th.

Q36072.Does submitting a certified translation to a destination embassy need a certified translation attached, and who signs it off?

Some embassies publish an accepted-translator list; always check the current list on the mission's website before ordering. Suggested step: submit multi-document sets together so names and dates stay consistent throughout. Caution: office conditions change — re-check them shortly before your filing date. Check current information with the Department of Consular Affairs (https://consular.mfa.go.th/th/page/apostille) and HCCH (https://www.hcch.net/en/news-archive/details/?varevent=1158). Professional fees are quoted per case by document count and destination — ask our team by phone, LINE or email. If several authorities must be served at once, order the extra certified sets up front, since producing them later restarts the process. Caution: check whether the destination limits how recent a certified translation must be, as some accept only recently prepared translations. Establish first whether the destination requires a translator sworn or appointed by its own court, or accepts a translation certified in Thailand and legalised by the Department of Consular Affairs. Check the receiving authority's translation requirements directly, and Thai legalisation requirements at consular.mfa.go.th.

Q322008.How many originals and how many copies does producing a translation on an embassy's prescribed template require?

Some embassies publish an accepted-translator list; always check the current list on the mission's website before ordering. Suggested step: send scans of every page for a completeness check before the originals travel. Caution: rely on official announcements rather than forum posts for current requirements. Check current information with the Department of Consular Affairs (https://consular.mfa.go.th/th/page/apostille) and HCCH (https://www.hcch.net/en/news-archive/details/?varevent=1158). Professional fees are quoted per case by document count and destination — ask our team by phone, LINE or email. Get the name of the receiving authority and read its requirements directly on its own website, because requirements differ even within one country. Caution: Thailand has no European-style sworn translator register; translations are certified here through the translator, a notarial services attorney and Department of Consular Affairs legalisation. Keep the translation and the source document bound as the certifier arranged them and do not separate them afterwards. Check the receiving authority's translation requirements directly, and Thai legalisation requirements at consular.mfa.go.th.

Q35134.How do authorities in Sweden treat certified translation for judicial use differently from Thai practice?

Translations used in legal proceedings should carry an accuracy statement, the translator's name, signature and date, attached to a copy of the source document. Suggested step: send scans of every page for a completeness check before the originals travel. Caution: office conditions change — re-check them shortly before your filing date. Check current information with the Department of Consular Affairs (https://consular.mfa.go.th/th/page/apostille) and HCCH (https://www.hcch.net/en/news-archive/details/?varevent=1158). Professional fees are quoted per case by document count and destination — ask our team by phone, LINE or email. If several authorities must be served at once, order the extra certified sets up front, since producing them later restarts the process. Caution: a translation without the translator's certification statement is commonly refused at intake even when the wording is accurate. Transliterate personal and organisation names from the passport and the body's official name, never by free phonetic rendering. Caution: check whether the destination limits how recent a certified translation must be, as some accept only recently prepared translations. Check the receiving authority's translation requirements directly, and Thai legalisation requirements at consular.mfa.go.th.

Q35576.How do authorities in the United States treat translation quality control and review differently from Thai practice?

Official-use work should pass two-stage review (translator plus reviser) with terminology consistent across the whole document set. Suggested step: assemble each file as original + translation + passport copy, paired page by page. Caution: rely on official announcements rather than forum posts for current requirements. Check current information with the Department of Consular Affairs (https://consular.mfa.go.th/th/page/apostille) and HCCH (https://www.hcch.net/en/news-archive/details/?varevent=1158). Professional fees are quoted per case by document count and destination — ask our team by phone, LINE or email. Keep the translation and the source document bound as the certifier arranged them and do not separate them afterwards. Caution: Thailand has no European-style sworn translator register; translations are certified here through the translator, a notarial services attorney and Department of Consular Affairs legalisation. Get the name of the receiving authority and read its requirements directly on its own website, because requirements differ even within one country. Check the receiving authority's translation requirements directly, and Thai legalisation requirements at consular.mfa.go.th.

Q35616.What must a Burmese translation satisfy in the context of certification wording and signature format?

Certification wording should state source and target language, page count, an accuracy declaration, the certifier's name and contact details, and the date. Suggested step: send scans of every page for a completeness check before the originals travel. Caution: rely on official announcements rather than forum posts for current requirements. Check current information with the Department of Consular Affairs (https://consular.mfa.go.th/th/page/apostille) and HCCH (https://www.hcch.net/en/news-archive/details/?varevent=1158). Professional fees are quoted per case by document count and destination — ask our team by phone, LINE or email. Get the name of the receiving authority and read its requirements directly on its own website, because requirements differ even within one country. Caution: where the destination explicitly requires a translator on its own national register, a translation certified in Thailand cannot substitute and must be redone at the destination. Send scans of every page before translation starts, to confirm whether the destination wants a translation of the original or of a certified copy. Check the receiving authority's translation requirements directly, and Thai legalisation requirements at consular.mfa.go.th.

Q35496.How do authorities in China treat European sworn-translator requirements differently from Thai practice?

Many EU states require a translator sworn before their own courts — a different system from Thai certification. Suggested step: assemble each file as original + translation + passport copy, paired page by page. Caution: never re-staple, trim or unbind a document once an authority has sealed it. Check current information with the Department of Consular Affairs (https://consular.mfa.go.th/th/page/apostille) and HCCH (https://www.hcch.net/en/news-archive/details/?varevent=1158). Professional fees are quoted per case by document count and destination — ask our team by phone, LINE or email. Transliterate personal and organisation names from the passport and the body's official name, never by free phonetic rendering. Caution: where the destination explicitly requires a translator on its own national register, a translation certified in Thailand cannot substitute and must be redone at the destination. Keep the translation and the source document bound as the certifier arranged them and do not separate them afterwards. Caution: a translation without the translator's certification statement is commonly refused at intake even when the wording is accurate. Check the receiving authority's translation requirements directly, and Thai legalisation requirements at consular.mfa.go.th.

Q35472.How do authorities in Norway treat European sworn-translator requirements differently from Thai practice?

Many EU states require a translator sworn before their own courts — a different system from Thai certification. Suggested step: get the receiving authority's requirement in writing before preparing anything. Caution: names must match the passport spelling on every document or the counter may refuse the file. Check current information with the Department of Consular Affairs (https://consular.mfa.go.th/th/page/apostille) and HCCH (https://www.hcch.net/en/news-archive/details/?varevent=1158). Professional fees are quoted per case by document count and destination — ask our team by phone, LINE or email. Get the name of the receiving authority and read its requirements directly on its own website, because requirements differ even within one country. Caution: where the destination explicitly requires a translator on its own national register, a translation certified in Thailand cannot substitute and must be redone at the destination. If several authorities must be served at once, order the extra certified sets up front, since producing them later restarts the process. Check the receiving authority's translation requirements directly, and Thai legalisation requirements at consular.mfa.go.th.

Q222030.To complete checking legal terminology inside a translation in a single trip to Bangkok, how should the tasks be sequenced?

Official-use work should pass two-stage review (translator plus reviser) with terminology consistent across the whole document set. Suggested step: assemble each file as original + translation + passport copy, paired page by page. Caution: names must match the passport spelling on every document or the counter may refuse the file. Check current information with the Department of Consular Affairs (https://consular.mfa.go.th/th/page/apostille) and HCCH (https://www.hcch.net/en/news-archive/details/?varevent=1158). Professional fees are quoted per case by document count and destination — ask our team by phone, LINE or email. Keep the translation and the source document bound as the certifier arranged them and do not separate them afterwards. Caution: check whether the destination limits how recent a certified translation must be, as some accept only recently prepared translations. Get the name of the receiving authority and read its requirements directly on its own website, because requirements differ even within one country. Caution: Thailand has no European-style sworn translator register; translations are certified here through the translator, a notarial services attorney and Department of Consular Affairs legalisation. Check the receiving authority's translation requirements directly, and Thai legalisation requirements at consular.mfa.go.th.

ประเด็นสำคัญที่ต้องรู้

คำถามที่พบบ่อย

What do you need to start Certified Translation?
A photo or scan of the original plus the destination country and receiving authority. We review it free of charge and reply with the shortest valid routing.
How long does Certified Translation take?
Standard turnaround is 5-7 business days; rush is 1-3 business days, counted from receipt of complete originals.
Do I have to visit the office?
No. Send originals by EMS or book a Bangkok pickup; completed documents are returned by domestic post or international courier.
What does the Certified Translation fee include?
Professional service fee, government fees at official rates, domestic EMS, and international courier where applicable — each listed separately in the quote.

Certified Translation

"Certified Translation" sits inside our Certified Document Translation practice and is handled end-to-end: feasibility check, source-document review, certified translation, sequential certification with the relevant Thai authority, and dispatch of a file the receiving office will actually accept. We handle files from Bangkok, upcountry, and overseas clients working through a power of attorney. Files are signed off by an attorney registered as a Notarial Services Attorney with the Lawyers Council of Thailand, working alongside Ministry of Justice-recognized translators and our consular liaison desk. Fees are itemized before work begins: professional service fee, government fees, domestic EMS, and international courier (DHL/FedEx). Choose standard turnaround of 5-7 business days or rush turnaround of 1-3 business days.

Certified Translation — service overview

  • "Certified Translation" sits inside our Certified Document Translation practice and is handled end-to-end: feasibility check, source-document review, certified translation, sequential certification with the relevant Thai authority, and dispatch of a file the receiving office will actually accept.
  • We handle files from Bangkok, upcountry, and overseas clients working through a power of attorney. Files are signed off by an attorney registered as a Notarial Services Attorney with the Lawyers Council of Thailand, working alongside Ministry of Justice-recognized translators and our consular liaison desk.
  • Fees are itemized before work begins: professional service fee, government fees, domestic EMS, and international courier (DHL/FedEx). Choose standard turnaround of 5-7 business days or rush turnaround of 1-3 business days.

Certified Translation document checklist

  • Original document required for Certified Translation (or a freshly issued certified copy within its validity window)
  • Copy of national ID or passport, signed and dated as a true copy
  • Power of attorney (if a representative will handle it) with a 30 THB revenue stamp
  • Destination details: country, receiving authority, purpose, and required deadline

How Certified Translation runs, stage by stage

  • 1. Send scanned copies of the Certified Translation source documents via LINE/email for a free initial review.
  • 2. We confirm eligibility and issue a written quote with a committed turnaround.
  • 3. You deliver originals to our office (or book a Bangkok pickup) and pay a 50% deposit.
  • 4. We translate, certify, and submit to each Thai authority in the order the destination accepts.
  • 5. Final documents are scanned and emailed for your review before physical dispatch.
  • 6. We ship by EMS domestically and DHL/FedEx internationally, with tracking numbers.

Turnaround and cost structure for Certified Translation

  • Standard turnaround for Certified Translation: 5-7 business days from receipt of complete originals.
  • Rush turnaround: 1-3 business days (rush surcharge applies).
  • Government fees are charged at official rates with no markup.
  • Domestic EMS at Thailand Post rates; international DHL/FedEx at actual weight-based rates.

Certified Translation: common pitfalls and how to avoid them

  • Originals outside the validity window — many destinations require documents issued within 3-6 months. Confirm with the receiving authority first.
  • Name mismatch between the document and the passport — embassies reject these. Correct it at the district office before translating.
  • Skipping MFA legalization before the embassy step — this costs multiple trips and several weeks.
  • Using a translator without an official seal — the MFA and embassies will not accept it, and the chain restarts.

FAQ

What do you need to start Certified Translation?
A photo or scan of the original plus the destination country and receiving authority. We review it free of charge and reply with the shortest valid routing.
How long does Certified Translation take?
Standard turnaround is 5-7 business days; rush is 1-3 business days, counted from receipt of complete originals.
Do I have to visit the office?
No. Send originals by EMS or book a Bangkok pickup; completed documents are returned by domestic post or international courier.
What does the Certified Translation fee include?
Professional service fee, government fees at official rates, domestic EMS, and international courier where applicable — each listed separately in the quote.

Certified Translation — How to Pick a Translator Your Recipient Will Accept

Editorial photograph of a certified translator's workspace
Editorial illustration (AI-generated, editorially reviewed — no real persons or brand logos depicted).

Regulatory & Standards Citations

  • กระทรวงยุติธรรมทะเบียนนักแปลผู้ให้บริการแก่ศาลและหน่วยงานยุติธรรม [source]
  • ISO 17100:2015Translation services — Requirements for translation services

Common Pitfalls (From Field Experience)

  • Submitting MT output to a government agency — instant rejection.
  • Failing to verify the source document before translation causes rework.

Decision Tree

ใช้กับศาล/ราชการไทย?
Yes → เลือกนักแปลทะเบียน MoJ
No → เลือกตามผู้รับ (NAATI สำหรับออสเตรเลีย, ATA สำหรับสหรัฐฯ)

Options Compared

OptionBest forTimelineCost (THB)
แปลรับรองทั่วไป (Certified)ยื่นสถานทูต / ธุรกิจ1–3 วัน500–1,200 / หน้า
แปลนักแปล MoJศาลไทย / หน่วยงานยุติธรรม2–5 วัน800–2,000 / หน้า

Scope of work: Certified translation

Translation of civil, corporate and legal documents with a certificate of accuracy, formatted to clear the receiving officer's check on the first submission.

This service fits you when

  • You are filing Thai documents abroad, or foreign documents in Thailand
  • The authority asked for a certified, sworn or official translation
  • Names and legal terms must match your passport and earlier filings exactly
  • The translation feeds a later MFA, embassy or court step

When another route is the right one

  • Australian destinations that specify NAATI need a NAATI-credentialed translator
  • Court filings may require a specific translator declaration format, which we prepare
  • If you only need to understand a document internally, we will say so rather than sell a certified set

What the service includes

  • Name spelling reconciled against your passport and previous documents
  • Layout mirrored to the source, including seals and signature blocks
  • Second-linguist review before delivery
  • Certificate of accuracy with traceable translator details
  • Free wording revisions if the receiving officer requests them

What is not included

  • Government and courier fees charged by the receiving authority (billed at cost, always quoted before we start)
  • Any guarantee of approval by a government office or embassy — that decision stays with the officer in charge
  • Sourcing original documents that only you can request in person

Not sure which route your case belongs to? Tell us the destination and the deadline — our advisers have handled these files for more than 15 years and will confirm the correct sequence and exact documents before you spend anything.

Certified translation process and required documents

A standard certified translation takes 1–3 business days depending on page count and language pair, and must be produced from the document version the destination accepts.

Step-by-step process

  1. 1Send files and destinationSend clear scans of every page and tell us where the translation will be filed — certification wording differs by authority.
  2. 2Confirm name spellingsWe confirm names against your passport and institution names against official records so the file is not rejected later.
  3. 3Translate and double-checkA subject-matter translator translates; a second reviewer compares line by line, checking numbers, dates, seals and stamps.
  4. 4Issue the certificate of accuracyWe attach a signed certification page and bind it to the source copy.
  5. 5Continue to legalization if requiredFor foreign government use we carry the file through the consular department and the embassy as one package.

Documents you need to prepare

  • Sharp colour scans of every page including seals and signatures
  • Passport page to confirm name spelling
  • Destination country/authority and your filing deadline
  • Any glossary or previously accepted translation

Common pitfalls to avoid

  • Many authorities reject translations made from uncertified copies — check first.
  • Name spelling that differs from the passport is the number-one rejection cause.
  • Some certificates have a validity window; request a fresh copy before translating.

Prefer not to handle the queues, forms and re-submissions yourself? Our team has run these files for more than 15 years — we advise on the right route first, then complete every step for you end to end. Message us and we will confirm the exact documents for your case.

Compare the options before you decide

Apostille route vs embassy legalisation route

The destination country decides whether a file ends at an Apostille or still needs the embassy. Confirm the country's convention status first: the two routes use a different order and different paperwork.

AspectApostille routeEmbassy legalisation route
When it appliesDestination is a party to the Apostille ConventionDestination does not accept an Apostille
Final authorityDepartment of Consular Affairs, Ministry of Foreign AffairsThe destination country's embassy or consulate in Thailand
Typical number of stepsFewer — the chain ends at the central authorityMore — central authority first, then the embassy
Approximate timeframeShorter, still subject to the authority's queueLonger, because the embassy appointment queue is added
Common rejection causeTranslation does not match the original, or the copy was not issued by the authorityThe embassy's own form or language requirement was not followed

Verify the current convention status and embassy conditions before filing.

MFA-certified translation vs NAATI vs a destination-country sworn translator

"Certified translation" does not mean the same thing everywhere. The receiving body defines the accepted form, and choosing the wrong one means translating the whole set again.

AspectTranslation + Thai MFA certificationNAATI / foreign sworn translator
Who certifiesThe Department of Consular Affairs certifies the translation and the translator's signatureA translator registered with the destination country's body
Accepted byThai authorities and destinations that accept Thai certificationBodies that explicitly require a registered translator, such as Australian immigration
Output formatA certification stamp on the translation attached to the originalThe translator's statement with their registration number or stamp
Can an Apostille follow?Yes, when the destination is a convention partyDepends on that country's rules; some require no further step
Check before you startWhether the destination accepts Thai consular certificationWhether the receiving body requires its own registered translator

Where the destination requires a court-registered sworn translator, Thai certification cannot substitute for it.

Filing it yourself vs letting NYC run the chain

Every step can be done alone. This table compares the real workload of each option so the decision rests on time and rejection risk rather than marketing claims.

AspectDo it yourselfNYC handles it
Checking destination rulesRead each authority's notice yourself and confirm by phoneChecked before you start, with the order the receiving authority accepts
TravelSeveral agencies with queues that rarely line up in one dayDocuments move by courier or online except where the law requires you in person
Rejection riskOne mismatch — a name spelled differently from the passport — restarts the chainNames, dates and stamps are cross-checked before every filing
Status trackingYou follow up with each authorityStatus updates at each stage, and we handle the fix if a file is returned
Advisory roleNo one to compare options when your case falls outside the manualYou get advice on the options before work starts, not just execution

Government fees and timeframes change; ask for an assessment of your own case before you start.

5 mistakes that get certified translations rejected

Rejected translations usually fail on certification format, name spelling, or inconsistency inside the same document set.

  1. 1. Name spelled differently from the passport

    Why it matters: Receivers match the name against the passport first.

    How to avoid it: Send the passport bio page with every translation request.

  2. 2. Non-official renderings of institution or degree names

    Why it matters: Most institutions already publish an official English name.

    How to avoid it: Follow the issuing body's official English wording and keep the Thai name alongside.

  3. 3. Translating from a file where seals or signatures are unreadable

    Why it matters: Seal text must be transcribed; "illegible" markers are refused by some receivers.

    How to avoid it: Provide a high-resolution colour scan of the original.

  4. 4. Not knowing which certification level the receiver wants

    Why it matters: Requirements range from translator certification to consular legalisation.

    How to avoid it: Confirm the receiver's requirement before work starts.

  5. 5. Partial translation (missing back pages or footnotes)

    Why it matters: Official documents must be translated in full, including reverse-side stamps.

    How to avoid it: Scan every page, front and back, even seemingly blank ones.

Prefer not to manage these details yourself? Our team has advised on cases like this for more than 15 years — we confirm the correct route first, then handle every step for you. Message us and we will list exactly which documents your case needs.

What the common mistakes actually cost

Almost every failure in certified document translation happens during preparation, not at the counter, and the real cost is the TIME needed to repeat the chain. Below is what each mistake comes from, how long it typically adds, and how to avoid it.

MistakeWhy it happensTime costHow to prevent it
Removing staples or separating pages after certificationThe certification is attached to the bound set; once separated the set counts as incomplete.Typically adds 3–7 working days to re-certify the set.Scan first, then keep the originals in a rigid envelope without detaching anything.
The name in the translation does not match the passport spellingReceiving authorities compare character by character; a single different letter reads as a different person.Typically adds 3–10 working days, because the translation has to be redone and the whole chain repeated.Send the passport page on day one and have the translator take the spelling from the passport, never from the Thai document.
Using an old copy instead of a freshly issued oneMany destinations accept documents issued within the last 3–6 months only, and some require a clean, legibly sealed reissue.Typically adds 5–15 working days for the trip back to the district registrar.Check the destination's freshness rule first, then request several certified copies in a single visit.
Planning without allowing for public and embassy holidaysEmbassies close on both Thai and home-country holidays, so the real calendar is shorter than it looks.Typically adds 3–9 working days around a long holiday period.Check the holiday calendar of every body involved before fixing a travel or filing date.
Booking the wrong service channel or appointment typeEach channel has its own queue and document conditions; the wrong one means booking again.Typically adds 2–14 working days depending on appointment availability that month.Confirm the service type and the appointment date in advance and keep at least one spare week.

Deep timeline: what can run in parallel

The windows below are approximate and depend on each authority's queue. Stages marked as parallel can start alongside the previous stage — that is where the total calendar time is actually reduced.

  1. 1. Source assessment and translation formatwithin 1 working day

    We count pages, check seal legibility, and confirm which translation format the destination accepts.

  2. 2. Translation with a second-pass review1–3 working days

    A reviewer checks names, dates, figures, and terminology against the source line by line.

  3. 3. Name-spelling confirmation with yousame daycan run in parallel

    You approve the draft spelling against your passport before the final is issued — the single biggest source of rework.

  4. 4. Certification and delivery1–2 working days

    The certificate is attached and bound to the original or the copy, as the destination requires.

Note: all windows are general estimates, not guarantees. Actual timing depends on how complete your file is and on the queues at the authorities involved.

Key terms to know before you file

These are the terms clients most often misread — and a leading cause of rejected documents. Our advisors walk you through them before any work starts.

ATA Certification(Thai equivalent: ATA)
Certification by the American Translators Association, accepted by USCIS and U.S. state courts.
Affidavit(Thai equivalent: คำให้การสาบาน)
A sworn written statement signed before a notary, used as evidence in courts and government authorities abroad.
NAATI(Thai equivalent: เนติ)
The National Accreditation Authority for Translators and Interpreters of Australia. NAATI-certified translations are accepted by Australian government and migration authorities.
Back Translation(Thai equivalent: แปลกลับ)
Re-translation of a target text back into the source language to verify accuracy, commonly used in medical and legal projects.
Apostille(Thai equivalent: อะพอสตีล)
A simplified single-step authentication under the 1961 Hague Convention accepted by 120+ member states. Thailand is not yet a party (as of 2026).
Power of Attorney (POA)(Thai equivalent: หนังสือมอบอำนาจ)
A legal instrument that authorises a person to act on behalf of another; typically requires notarisation and legalisation for international use.

Not sure which route your case needs? Send us the documents for a free assessment and we handle every step for you.

View the full glossary

Related services you may need next

Most cases need more than one step. Here is how the surrounding work connects, so you can plan the whole chain instead of discovering a missing certification at the last minute.

Not sure which of these your case actually needs? That is exactly what our advisory team does: with 15+ years on cross-border documents, we map the full chain for your destination first, then handle every step so nothing is filed in the wrong order.

We work as advisers, not only as a document-running agency

Our team has worked on documents, translation and legalisation for more than 15 years, combining notarial attorneys licensed by the Lawyers Council of Thailand with translators the receiving authorities accept. Every case starts with advice on the correct route and only then moves to execution — we do not simply run whatever is handed to us.

Before we start — mapping the document route

We confirm whether your file ends at an Apostille or still needs the embassy, whether a freshly issued copy is required, and which form of translation the receiving authority accepts. This is where most time is saved, because it is where most people choose wrongly and restart.

While preparing — consistency checks

We match the spelling of your name against the passport, check the issue date against the validity window the destination applies, verify stamps and signatures, and confirm the translation matches the original line by line.

While filing — coordination with the authorities

We file in the order each authority expects, follow the queue, and report status as it moves. If an authority asks for more paperwork, you hear about it immediately, together with the options for fixing it.

After delivery — practical guidance

We explain which bodies this set can be filed with, how to store the originals, and how many certified sets to request up front if you expect to use them again, so you do not repeat the whole chain later.

Cases where advice up front changes the outcome

  • The applicant is upcountry or abroad, so the power of attorney and courier plan must be arranged carefully.
  • Documents are needed for several countries at once, each with a different order of certification.
  • A file was already returned once and the real cause has to be identified before refiling.
  • Documents have a limited validity window and every item must still be valid on the day of filing.

If you are unsure which route your case takes, send photos of the documents and name the destination country or authority. We map the sequence and the paperwork first; you then decide whether to run it yourself or hand it over.

Who wrote and checked this page

Written by
NYC Legal official-document translation team
Reviewed by
Head of proofreading for consular and embassy documents
Last reviewed

Verifies names, dates, document numbers and destination-authority wording. We are not only a filing agency — every case starts with a consultation so you know the correct route, the exact documents and the realistic timeline before any fee is paid.

Procedures and authority requirements can change. We re-check each page against the responsible authority's current practice; if your case is time-critical, message us to confirm the latest requirement.

Continue with a related service

Most document journeys need more than one step. These are the steps clients most often combine with this page.

Professional fees are quoted per case — ask our team by phone, LINE or email.

Verify with the issuing authority

Each source below is the authority that owns the rule cited on this page. If an authority changes its requirement, this page is corrected.