Certified Translation of Thai Documents for United States

The US has no central sworn-translator system: a certified translation means the translation plus the translator's certificate of accuracy. Registry to verify: USCIS 8 CFR 103.2(b)(3) sets the certification wording; US Embassy Bangkok for consular filings.

USCIS generally accepts a certified translation. Court filings and some state agencies may additionally require MFA legalisation and US consular attestation.

I-130, K-1, CR-1, green card filings, legitimation, US property transactions

Certification wording missing USCIS-required elements · Not translating every stamp and signature · Reusing an old translation that no longer matches the fresh extract

Translation 1–2 working days; legalisation adds 2–3 working days when required. This excludes the receiving authority's own queue.

United States is a Hague party, but an apostille can only be used between the two countries once the convention enters into force for Thailand on 28 February 2027. Until then Thai documents follow MFA legalisation plus destination-embassy attestation. Check current status at hcch.net.

They are four separate layers: (1) translating the content, (2) the translator's certificate of accuracy, (3) attestation of a signatory's signature by a lawyer authorised to certify signatures and documents, and (4) legalisation or apostille certifying the seals for cross-border use. The first three cannot replace the fourth.

If the destination requires a translator based in that country, legalise in Thailand first: the translator must render every stamp inside the translation. If the destination accepts a translation prepared in Thailand, translate and certify first, then legalise the translation.

Acceptance is at the receiving authority's discretion, so we do not guarantee outcomes. We confirm the required certification system and document age before starting, and redo our translation work free of charge if the error is on our side.