Thailand Non-Immigrant B and Work Permit
Employer sponsorship, and the only Thai route that realistically reaches permanent residence. Everything else in Thailand is a long visit.
Start here
| Need | Best page |
|---|---|
| How employment works | Work permit guide |
| Whether permanent residence is realistic | Thailand permanent residence |
Programme snapshot
| Item | Current rule |
|---|---|
| Main audience | Foreign nationals with a Thai job offer |
| Visa family | Non-immigrant B plus work permit |
| Validity | 1 year typically, matched to employment |
| Work permit | Required. Employer-sponsored |
| Salary threshold | No statutory floor, but must meet the minimum wage for the role and nationality rules apply |
| Thai employee ratio | 4 Thai employees per foreign employee, waived for BOI promoted companies and LTR holders |
| Family | Non-immigrant O dependants |
| Settlement | The only route that counts toward permanent residence |
| PR requirement | 3 consecutive years of work permit and tax filings |
| Processing | 4 to 8 weeks combined |
Why this route matters more than it looks
Every other Thai long stay route is a dead end for settlement. The DTV, LTR, O-A, O-X, Privilege Card and SMART Visa all renew or expire without accumulating anything.
Non-Immigrant B is different. Three consecutive years of work permit and tax payments make you eligible to apply for permanent residence. That eligibility is narrow, quota-limited and discretionary, but it exists, and it is the only door.
If your long term plan is to still be in Thailand in fifteen years with a Thai passport, your plan runs through a Thai employer, not through a nomad visa.
Application flow
- Secure a Thai job offer.
- Employer applies for the work permit through the Department of Employment.
- Apply for the Non-Immigrant B visa abroad, or convert inside Thailand.
- Enter and collect the work permit.
- Report every 90 days.
- File Thai personal income tax annually.
- Renew the work permit and visa annually while employed.
- After three consecutive years, consider a permanent residence application.
Good fit
People with a genuine Thai job offer who want to build a career or a life in the country. Anyone whose long term goal is permanent residence. BOI-promoted companies, where the 4 to 1 ratio is waived.
Poor fit
Remote workers, since this route requires a Thai employer. Anyone who wants to work for multiple clients, since the permit is employer and location specific. People who cannot commit to three years with one employer, because the PR clock resets.
Watchpoints
- The permit is employer and province specific. Changing employer means a new permit and often resets the PR clock.
- The 4 to 1 ratio applies unless the employer is BOI promoted or you hold an LTR.
- Tax filings are part of the PR evidence. Working without filing undermines the application later.
- Ninety day reporting is mandatory and fines accumulate.
- PR quota is 100 per nationality per year. Being eligible is not the same as being granted.
Sources
- Immigration Bureau, non-immigrant B and work permit procedures. Checked 2026-10-22.
- Department of Employment, work permit rules and ratios. Checked 2026-10-22.
- Immigration Bureau, permanent residence eligibility. Checked 2026-10-22.