1. Guarantee letter (in English or Thai) from the applicant's company or employer which should be sealed and attached with business card of the guarantor. The letter should state the applicant’s name, position, contact details, purpose and duration of proposed stay.
2. Invitation letter (In English or Thai) from company/business partners in Thailand
2.1 The letter should be signed by the person whose name is listed on the board list.
2.2 If the letter is signed by foreigner, a copy of his/her valid working permit is also required.
3. A copy of official documents regarding inviters in Thailand issued by Thai authorities which includes:
- list of shareholders
- business registration and business license
- company profile
- balance sheet or statement of taxes
These documents must be affixed with official seal at every single page.