Types of Work Visas in Thailand
- Non-Immigrant Visa “B”: Standard business/work visa for foreign employees.
- Non-Immigrant Visa “B-A”: Business visa obtained with pre-approval from the Immigration Bureau.
- Non-Immigrant Visa “IB”: For BOI-sponsored investments.
- Non-Immigrant Visa “B” (Teaching): For foreign nationals teaching in Thailand.
- Issued by: Thai Embassies or Consulates abroad
- Initial validity: 90 days (can be extended in Thailand)
Required Documentation:
For Visa Application:
- Valid passport (min. 6 months validity)
- Visa application form
- Recent photos (4×6 cm)
- Letter of job offer or Form WP3 approval
- Company documents (business license, shareholder list, VAT, etc.)
- Proof of financial means (min. THB 20,000 per person)
For Work Permit Application:
- Non-Immigrant “B” visa
- Passport & visa copy
- Education and experience certificates
- Medical certificate (from Thai hospital)
- Employment contract
- Company’s financial/tax and registration documents
Process Time
| Work Visa | Estimated Time |
| Non-Immigrant “B” Visa | 3-10 working days (depending on the embassy) |
| Work Permit Pre-Approval (WP3) | 5-7 business days (Ministry of Labour) |
| Work Permit Issuance (in Thailand) | 7-10 business days after visa approval |
| Visa Extension (1 year) | 2-3 weeks via Thai Immigration Bureau |
| Work Permit Renewal | 5-10 business days |
Note: Delays may occur if documents are incomplete or if special BOI, EEC, or MOU channels are involved.
Visa Renewal & Extension
- Visa Extension: Apply at Immigration Bureau before the 90-day visa expires. Usually extended for 1 year.
- Work Permit Renewal: Renewable annually, subject to employment and documentation.
Legal Reminders
- A work permit is required before any work activity begins—even with a valid visa.
- Working without a permit is illegal and may result in:
- Fines of up to THB 100,000
- Imprisonment
- Deportation and blacklisting
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Please note that all the information listed below are to be used as a general guideline. For more detailed accounts of Thailand employment laws and regulations, please visit the official governmental websites.
Updated on: June 2025
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