An investor from Singapore registering for VAT and corporate income tax — how should the supporting documents be translated and certified?

The scope of this answer is “An investor from Singapore registering for VAT and corporate income tax”, so it flags what usually causes documents like this to be rejected before summarising the general practice. The terms that frame this page are investor · Singapore · registering · corporate. The specifics here are destination: Sg, and those decide which translation and certification level applies. Before starting, verify the source document is still within any validity window the recipient applies, then count the number of certified sets needed before work starts, because extra sets restart the certification steps, then confirm with the receiving body whether it wants an original, a certified copy or a certified translation. The condition most often overlooked is that name spelling must match across every document in the set. The common failure in this group of cases is a translation that does not match the certification type required. Attach a document index to the bundle so nothing is lost during review. Keep a copy of every source document plus the receipt or docket from each step. Leave buffer time in case a translation has to be amended or a source document re-issued. Plan the schedule with room for at least one review cycle at the receiving office. If any requirement is still unclear, send a sample image to the receiving body before producing the full set. Foreign documents used in a work permit or incorporation file — degrees, experience letters, the parent company's certificate of incorporation, powers of attorney and passports — must be translated into Thai or English as the office requires and certified along the correct chain: certification in the country of origin, then embassy or Department of Consular Affairs legalisation as applicable. Companies are registered with the Department of Business Development (DBD), Ministry of Commerce: a private limited company is formed under the Civil and Commercial Code and a public limited company under the Public Limited Companies Act B.E. 2535 (1992), with a memorandum of association, articles and a shareholder list among the incorporation papers. Thailand deposited its instrument of accession to the Apostille Convention on 30 June 2026, but the Convention is not yet in force for Thailand, so embassy and Department of Consular Affairs legalisation remains the working route. Cost and lead time depend on page count, language pair and the certification steps the receiving authority requires, so every file is quoted before work starts. Send the checklist you were given, the applicant's nationality and the office you will file with via LINE @NAATI, call +66 80-557-8887 or email ilc@thainotary.co.th.

ปรึกษาฟรี — LINE @NAATI · โทร 080-5578887 · อีเมล ilc@thainotary.co.th