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Pathway: Naturalization

Typical timeline 3-10 years

From THB 3,50010-21 working days
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Naturalization — Citizenship after meeting residence threshold (3-10 yrs).

NYC Legal maintains a checklist tailored to this pathway with dedicated runners at DOPA, Royal Thai Police, the Immigration Bureau, the MFA Chaeng Wattana and every embassy in Bangkok.

Average time from intake to embassy submission: 2-4 weeks (excluding the destination's residence threshold).

Coverage

Birth Certificate (for citizenship)
20-100 บาท
House Registration (Tor Ror 14)
20 บาท
Thai ID Certification
200 บาท
Police Clearance Certificate
100 บาท
Marriage Certificate (for citizenship)
20 บาท
Name Change Certificate
100 บาท
Thai Citizenship Renunciation
5,000 บาท
Evidence for Thai Citizenship Application
5,000-10,000 บาท
Thai Permanent Residence Certificate
191,400 บาท (ค่าธรรมเนียม)
Citizenship by Descent Bundle
ตามเอกสาร

How it works

  1. 1

    Eligibility review

    Confirm destination requirements, age, residence, dual-nationality posture.

  2. 2

    Collect core documents

    Birth certificate, house registration, police clearance, name-change, marriage certificate.

  3. 3

    Translate + MFA + Apostille/embassy

    Registrar-listed translator + MFA + Apostille/embassy attestation.

  4. 4

    Embassy submission

    File at destination embassy in Bangkok or DHL directly.

Frequently asked questions

How long does this take?

Document preparation 10-21 working days + 3-10 years residence per the destination.

Do I need to travel abroad for the Thai-side steps?

No — power of attorney covers every step in Thailand.

Is dual citizenship allowed?

Depends on the destination — some require Thai renunciation, which we file via DOPA.

Total cost?

THB 15,000-50,000 depending on documents, destination and pathway.

Related services

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