Original document
Obtain an original or certified copy from the Department of Business Development.
Certifying a company affidavit (certificate of incorporation) 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 Department of Business Development.

Certifying a company affidavit (certificate of incorporation) 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 Department of Business Development.
This page covers legalisation of a company affidavit (certificate of incorporation) for foreign bank accounts, contracts and business visas. The Apostille Convention takes effect for Thailand on 28 February 2027; until then chain legalisation through Consular Affairs and the embassy applies.
Obtain an original or certified copy from the Department of Business Development.
Submit the original with a translation in the department's required format.
Some destinations require further legalisation at their embassy in Thailand.
Company objects can be long; translate all if the full document is required.




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