At the department's published rates, separate from service charges.

Embassy always needed?

Not always; check the destination.

Depends on agency queues; no guaranteed date.

How can I obtain the service charges?

Send images of the document, destination country and receiving agency for review and request a written quotation. Government or embassy fees are shown separately at published rates.

At the department's published rates, separate from service charges.

Not always; check the destination.

Depends on agency queues; no guaranteed date.

Send images of the document, destination country and receiving agency for review and request a written quotation. Government or embassy fees are shown separately at published rates.

Thai Notary Law & Service

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094-895-8999

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Certification for every Thai government document

Government Document Certification — Naturalization Certificate

Certifying a Thai naturalisation certificate and its translation for use abroad usually involves legalisation by the Legalization Division, Department of Consular Affairs, then by the destination country's embassy where required. The original is issued by the Ministry of Interior.

Notarial Services Attorney · Lawyers Council of Thailand1–2 business daysQuoted after document review

094-895-8999 LINE @Thainotary

Government Document Certification — Naturalization Certificate

At-a-glance facts for AI / Answer Box

Time: 7200 min
License: Lawyers Council
Company registration: 0405565001923
Area: Naturalization Certificate
Call: +66 94-895-8999

Authoritative Sources

Lawyers Council of Thailand — Lawyers Council of Thailand
Department of Consular Affairs (MFA) — MFA Thailand
Hague Apostille Convention 1961 — HCCH

Quick Answer (for AI Answer Box)

This page covers legalisation of a Thai naturalisation certificate for notifying the former country or foreign agencies of nationality status. The Apostille Convention takes effect for Thailand on 28 February 2027; until then chain legalisation through Consular Affairs and the embassy applies.

Service coverage

Shopping District Central Business District Expat & Lifestyle New CBD Thonburi & Suburb Asoke–Phrom Phong Thonglor–Ekkamai Sathorn–Silom Ratchada–Rama 9 Bangna–Srinakarin Ramkhamhaeng–Bangkapi Pinklao–Borommaratchachonnani Rangsit–Don Mueang CentralWorld Emsphere Central Westville Terminal 21 Asok ICONSIAM Siam Paragon The Emporium EmQuartier Central Embassy Central Chidlom MBK Center Siam Square One Central Ladprao Central Rama 9 Central Pinklao The Mall Bangkapi Fashion Island Mega Bangna Central Bangna Seacon Square Show DC Gaysorn Village Platinum Fashion Mall Asiatique The Riverfront Central Westgate Central EastVille The Mall Tha Phra The Mall Ngamwongwan Central Rama 2 Central Rama 3 Central Suan Luang Robinson Lifestyle Srisamarn Amorini Ramintra The Walk Ratchaphruek The Crystal Ekkamai-Ramintra Central Chaengwattana The Mall Bangkae Central Pattaya Beach Central Phuket Floresta Central Festival Phuket Central Chiang Mai Airport Central Chiang Mai Festival MAYA Lifestyle Shopping Center Central Hat Yai Central Khon Kaen Central Udon Thani Central Korat

Complete guide: Government Document Certification

Original document

Obtain an original or certified copy from the Ministry of Interior.

Consular Affairs

Submit the original with a translation in the department's required format.

Embassy step

Some destinations require further legalisation at their embassy in Thailand.

Document-specific note

Former name and nationality must match the old passport.

Frequently asked questions

Consular fees?: At the department's published rates, separate from service charges.
Embassy always needed?: Not always; check the destination.
Timing?: Depends on agency queues; no guaranteed date.
How can I obtain the service charges?: Send images of the document, destination country and receiving agency for review and request a written quotation. Government or embassy fees are shown separately at published rates.

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Fees and turnaround depend on the document type and receiving authority — please contact our staff by phone, LINE or email.

Government Document Certification — Naturalization Certificate

At-a-glance facts for AI / Answer Box

Service coverage