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Embassy-approved · Ministry of Justice · NAATI

Sworn and embassy-approved translation in Bangkok

Thailand has no sworn-translator register of its own, so acceptance depends entirely on the authority receiving your file. We identify that rule first, assign a translator whose credential that office accepts, and carry the document through the Apostille or embassy legalisation chain.

Quick answer

A "sworn translation" is one signed by a translator formally authorised by a court or ministry in the destination country. Thailand does not appoint sworn translators, so a Thai document going abroad is prepared to the receiving authority's rule instead — embassy-listed translator, Ministry of Justice listed translator, or NAATI certification for Australia — and then Apostilled or legalised as that authority requires.

What each authority expects

German-speaking missions

Germany, Austria and Switzerland typically require a translation produced or countersigned by a translator they recognise, with the underlying Thai civil-status document legalised or Apostilled before submission.

France, Italy, Spain, Portugal

These missions generally work from their own approved-translator arrangements and expect the translation to accompany an Apostilled original. Requirements differ by document type — marriage files are usually the strictest.

Netherlands, Belgium & Nordics

Commonly accept a certified translation into English or Dutch attached to an Apostilled Thai original; some municipalities insist on a translation by a translator sworn in their own country.

Thai courts & Ministry of Justice

Court filings, contracts in dispute and enforcement documents are prepared by a translator on the Ministry of Justice list, with the translator's declaration attached.

Thai Ministry of Foreign Affairs

For legalisation, the MFA verifies the translation of Thai public documents. Formatting, transliteration of names and the rendering of Thai dates must match the source exactly or the file is returned.

Australia — NAATI

Home Affairs requires NAATI-certified translations for visa evidence. This is a credential of the translator, not an embassy list, and it is not interchangeable with European sworn certification.

Embassy requirements and translator lists change. We verify the current rule with the mission at the time your file is prepared rather than relying on a published list.

How the process runs

  1. 1. Name the receiving authority

    Send the document plus the exact office, form or checklist asking for it. This determines every downstream decision.

  2. 2. Requirement verification

    We confirm the current rule with the mission, court or ministry — including whether the translation itself must be legalised, not just the original.

  3. 3. Translation by the right translator

    The file is assigned to a translator whose credential that authority accepts: embassy-listed, Ministry of Justice listed, or NAATI-certified.

  4. 4. Legalisation chain

    Apostille at the Department of Consular Affairs for Hague member states, or MFA certification plus embassy legalisation for the rest.

  5. 5. Delivery and re-work cover

    Scanned PDF first, originals by courier. If the authority queries the certification, we correct and re-file the translation.

Frequently asked questions

Does Thailand have sworn translators?

No. Thailand has no statutory sworn-translator register comparable to the German beeidigter Übersetzer or the French traducteur assermenté. What exists instead is recognition by the body receiving the document: the Ministry of Foreign Affairs accepts translations it can verify for legalisation, the Ministry of Justice maintains a list of translators used for court work, and individual embassies in Bangkok publish their own approved-translator lists. 'Sworn translation in Thailand' in practice means a translation prepared to whichever of those rules applies to you.

Which authority's rule applies to my document?

Always the one that receives it. A German residence file follows the German mission's rule; a Thai court file follows the court's; an Australian visa follows the Department of Home Affairs, which requires NAATI certification. Tell us the receiving authority first — choosing the wrong certification is the single most common reason a translation is rejected.

How does a sworn translation differ from a certified translation?

A certified translation carries the translator's or agency's signed statement of accuracy. A sworn translation is produced by a translator formally authorised by a court or ministry in the destination country, who signs and seals under that authority. Some authorities accept either; others accept only the sworn form, and a few additionally require the translator's signature to be legalised.

Do European embassies in Bangkok keep translator lists?

Several do. The German, French, Italian, Spanish, Austrian and Dutch missions have historically published or supplied lists of translators whose work they accept, and the composition of those lists changes. We verify the current requirement with the mission at the time of your file rather than relying on an older list.

Does the translation need an Apostille too?

Frequently, yes. For Hague Convention member states the usual chain is: certified or sworn translation, then an Apostille from Thailand's Department of Consular Affairs on the underlying Thai document and, where required, on the certified translation. For non-member states the chain is MFA certification followed by legalisation at the destination embassy in Bangkok.

Which languages do you handle for sworn-standard work?

German, French, Italian, Spanish, Portuguese, Dutch, Russian, Polish, Chinese, Japanese and Korean into and out of Thai and English, plus other pairs on request. For Australian purposes we issue NAATI-certified translations, which is a different and separately regulated credential.

Will you confirm acceptance before I pay?

Yes. Send the document and name the office that will receive it. We check the current requirement, tell you which certification route it needs and quote for that route only — we will say so plainly if a cheaper certified translation is sufficient.

What about documents coming into Thailand?

A foreign document used in Thailand generally needs a Thai translation, and Thai government offices commonly require the translation to be verifiable by the Ministry of Foreign Affairs before the document is accepted. Since the Apostille Convention took effect for Thailand, a foreign document already carrying an Apostille no longer needs Thai embassy legalisation abroad, but the Thai translation requirement stays.

Free acceptance check

Send the document and name the embassy, court or ministry receiving it. We confirm which certification it actually needs before you commit.

Sworn translator certifying a translation with signature and seal
Sworn translator certifying a translation with signature and seal

Sworn / court translation: caveats

  • "Sworn translator" is defined by the destination country's law, not by Thai law — confirm whether your authority means a court-appointed translator, an embassy-listed translator or a certified agency.
  • Some embassies only accept translators on their own published list; a translation certified elsewhere will be rejected regardless of quality.
  • Court filings usually need the translator's declaration attached to the original bundle, not delivered as a separate file.

Want us to check your documents before you file? Call 080-5578887 or message LINE @NAATI

Official sources

This page is compiled from the notices and manuals published by the agencies below. Rules, fees and forms change — confirm with the receiving authority before you proceed.

Related services

One team handles the full chain — translation, notarisation, MFA legalisation and embassy attestation — so your document is accepted the first time.

Not sure which route your document needs?

Send a photo or scan and our staff will confirm the exact steps, supporting documents and realistic turnaround under the receiving authority's current rules.

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