What is the 4:1 employee ratio for work permits in Thailand?

The 4:1 Thai-to-foreign employee ratio for work permits: **Requirements per foreign worker:** 1. Minimum 4 Thai employees registered with Social Security 2. THB 2 million in registered, paid-up capital **Example:** A company wanting 3 foreign work permits needs at least 12 Thai employees and THB 6 million in registered capital. **Exceptions:** - BOI-promoted companies are exempt from both the ratio and capital requirements - Companies under the Treaty of Amity (US nationals) may have relaxed requirements - Schools, international organizations, and embassies have different rules - Companies with annual revenue exceeding THB 30 million may get relaxed requirements **Thai employees must be:** - Registered with Social Security (SSO) - Employed full-time (not part-time or contract) - Earning at least minimum wage **The Labour Ministry verifies:** SSO registration records are checked when processing work permit applications and renewals.