Non-B-A
Thailand Non-Immigrant B-A (Business Approved) — Guide
The B-A is a business visa granted with approval from a Thai government agency, usually for investors or business visits needing a longer entry than standard business meetings allow.
- Visa code
- Non-B-A
- Documents to prepare
- 3 items
- Process
- 3 steps
- Last reviewed

Last reviewed 2026-10-07. Preliminary guidance, not an official ruling. Fees are not listed because they change by announcement.
Who it is for
- Investors and business visitors with agency approval
Key requirements
- Approval letter from the relevant Thai agency
- Genuine business purpose
Typical documents
- Passport
- Agency approval letter
- Company documents
Steps
- Obtain agency approval
- Apply at embassy or immigration
- Enter and follow reporting duties
Common mistakes
- Applying without agency approval
- Treating B-A as permission to work without a work permit
FAQ
Can I work on B-A?
Work still needs a work permit.
B-A vs Non-B?
Non-B is employer-based; B-A relies on agency approval.
Official sources
These links are starting points for current announcements and checklists. Select the category and receiving office relevant to your circumstances; a general portal does not verify every requirement in this guide.