
New BOI Regulations on Expatriate Employment in Thailand – Effective 1 October 2025
New BOI Regulations – Thailand’s Board of Investment (BOI) has issued Notification No. Por. 8/2568, introducing significant updates to the employment rules for foreign nationals working in BOI-promoted companies. These changes, which will start taking effect on 1 October 2025, are intended to align expatriate hiring with Thailand’s economic and workforce development goals. For BOI-promoted companies, compliance will be critical to maintaining BOI privileges, including streamlined visa and work-permit processing under the Single Window for Visa and Work Permit System. 1. Key Effective Dates of the New BOI Regulations 2. New Minimum Monthly Salary Requirements Foreign employees in BOI-promoted companies must meet the following thresholds (applies to both new hires and renewals): Position Level Minimum Monthly Salary (THB) Executive (Chairman, CEO, MD, etc.) 150,000 Management 75,000 Operation 50,000 Documentation requirements: Exemptions: Short-term positions (6 months or less) are not subject to these salary thresholds. 3. Thai-to-Foreign Employee Ratio Requirement For manufacturing companies with more than 100 total employees, at least 70% of the workforce must be Thai nationals. Compliance method: Companies must submit up-to-date Social Security Office records through the Single Window system at least every six months, with each submission dated no more than three months old. 4. Other Position-Specific Requirements Some specialist roles have additional age, education, and experience conditions: 5. Compliance Checklist for Employers To prepare for the changes, BOI-promoted companies should: 6. Why Compliance Matters Summary Table New BOI Regulations Category Requirement / Date Executive Salary 150,000 THB/month Management Salary 75,000 THB/month Operation Salary 50,000 THB/month Thai Workforce Ratio (Manufacturing >100) ≥ 70% Thai nationals Exemptions Service sector, manufacturers ≤100 staff, short-term roles Effective Date (new certificates) 1 Oct 2025 Effective Date (existing certificates) 1 Jan 2026 AO Accounting & Advisory Can Help At AO Accounting & Advisory, we assist BOI-promoted companies in salary structure reviews, payroll compliance, and ratio monitoring to ensure smooth visa and work-permit processing. Preparing early will help avoid operational disruptions and maintain BOI benefits. 📩 Contact us today to review your workforce readiness for the New BOI Regulations October 2025 changes. FAQs For the New BOI Regulations 1. When do these new rules start? The effective date depends on your BOI promotion certificate. 2. Do the new minimum salaries apply to all foreign employees? No. Foreign nationals in short-term positions of six months or less are exempt from the new minimum monthly salary requirements. 3. Does the Thai-to-foreign employee ratio apply to my service company? No. The rule requiring at least 70% of the workforce to be Thai nationals applies only to manufacturing companies with more than 100 employees. Service businesses and manufacturers with 100 or fewer employees are exempt. 4. How do we prove our existing employees meet the new salary levels? You must provide the monthly tax filings (PND 1) for your existing foreign employees as proof of compliance. For new hires, the salary must be specified in the employment contract. 5. What happens if my company does not comply with these rules? Non-compliance could result in the denial of BOI privileges for visa and work-permit processing. This could negatively impact your business operations.








