An investor from Switzerland applying for a Foreign Business Licence — how should the supporting documents be translated and certified?

What the enquirer needs to know is “An investor from Switzerland applying for a Foreign Business Licence”, so it deals with the case-specific points first and the shared rules afterwards. After filing, follow up on the cycle the office states rather than waiting past the deadline. Keep a copy of every source document plus the receipt or docket from each step. Note who signed each certification and on what date for later reference. With a fixed filing date, count backwards from it and book each certification step in reverse. When several certification layers are required, start with the slowest one. Before starting, keep a digital copy of every page, including seals and signatures, then make sure document numbers, issue dates and issuing-office names match across the set, then ask in advance which category of certified translator the destination accepts. The point to fix before starting is the real deadline, so the steps can be scheduled backwards from it. The deciding factor is the receiving body's requirement, not only the format of the Thai-side document. The terms that frame this page are investor · Switzerland · applying · Foreign. The specifics here are destination: Ch, and those decide which translation and certification level applies. 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. Business activity by foreigners is restricted by the Foreign Business Act B.E. 2542 (1999), which sorts activities into Lists 1, 2 and 3; a Foreign Business Licence or Foreign Business Certificate from the DBD is required where the Act applies, while US nationals may instead certify under the Treaty of Amity. 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