SIAC Consulting Co. Ltd

Payroll

Managing payroll for foreign employees in Thailand involves navigating labor laws, immigration rules, taxation, and social security compliance. This guide outlines the essential steps from setup to monthly filing.

1. Overview

Employers must secure the right visa, work permit, and payroll setup. Key requirements include:

  • Registering for tax and social security.

  • Withholding and submitting personal income tax monthly.

  • Filing annual reports and issuing tax certificates.

  • Ensuring job titles match work permits exactly.

2. Required Documents

Before adding a foreign employee to payroll, collect:

  • Passport (photo page + stamps)

  • Non-immigrant “B” or SMART visa

  • Work permit (matching company, title, location)

  • Thai Tax ID number

  • Thai bank account details

  • Employment contracts detailing salary and benefits.

3. Work Permits & Visa Requirements

  • Most expats need a Non-Immigrant B visa and corresponding work permit.

  • SMART Visa holders may have certain exemptions.

  • Verify the job is not on Thailand’s restricted list.

4. Minimum Wage & Labour Compliance

  • Minimum wage in Bangkok (from July 2025): THB 400/day.

  • Compliance with labor entitlements is mandatory (e.g., leave, overtime).

  • Use bilingual (Thai/English) employment contracts for clarity.

5. Taxation

Tax Residency:

  • Resident: 180+ days in Thailand, taxed on both Thai-sourced and foreign income remitted to Thailand.

  • Non-resident: Taxed only on Thai-sourced income.

Personal Income Tax Rates (2025):

  • 0 – 150,000 THB: 0%

  • 150,001 – 300,000 THB: 5%

  • 300,001 – 500,000 THB: 10%

  • 500,001 – 750,000 THB: 15%

  • 750,001 – 1,000,000 THB: 20%

  • 1,000,001 – 2,000,000 THB: 25%

  • 2,000,001 – 5,000,000 THB: 30%

  • Over 5,000,000 THB: 35%

6. Employer Tax Withholding

  • File P.N.D.1 monthly, due by the 15th of the following month.

  • Issue 50 Tawi tax certificates by February 15 for active employees and within a month for leavers.

7. Social Security Contributions

  • Employers and employees each contribute 5% of wages (max THB 750).

  • Contributions are due monthly by the 15th.

8. Payroll Process

Monthly Tasks:

  1. Calculate gross-to-net pay.

  2. Withhold income tax and social security.

  3. Submit P.N.D.1 and pay SSO contributions.

  4. Deliver payslips securely.

Year-End Tasks:

  1. File annual P.N.D.1 Kor.

  2. Issue tax certificates.

  3. Reconcile payroll records.

9. Common Mistakes to Avoid

  • Misclassifying tax residency can lead to penalties.

  • Ignoring allowances can result in tax issues.

  • Role/title mismatches can invalidate work authorization.

10. Best Practices

  • Maintain a compliance calendar for filings.

  • Utilize e-Filing and automate processes.

  • Match job titles in payroll with work permits.

  • Retain all payroll and visa documentation for audits.

  • Consider outsourcing payroll for expertise and efficiency.

Conclusion

Effectively managing payroll for foreign staff in Thailand requires careful coordination of HR, tax, and immigration processes. With proper documentation and consistent compliance, you can avoid costly errors and legal issues.

Siac Consulting Experts

Specializes in Thai company formation for foreign entrepreneurs, with expertise in BOI registration, and ongoing corporate compliance.

Stay up-to-date

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© 2025 Siac Consulting Co. Ltd

Payroll

Managing payroll for foreign employees in Thailand involves navigating labor laws, immigration rules, taxation, and social security compliance. This guide outlines the essential steps from setup to monthly filing.

1. Overview

Employers must secure the right visa, work permit, and payroll setup. Key requirements include:

  • Registering for tax and social security.

  • Withholding and submitting personal income tax monthly.

  • Filing annual reports and issuing tax certificates.

  • Ensuring job titles match work permits exactly.

2. Required Documents

Before adding a foreign employee to payroll, collect:

  • Passport (photo page + stamps)

  • Non-immigrant “B” or SMART visa

  • Work permit (matching company, title, location)

  • Thai Tax ID number

  • Thai bank account details

  • Employment contracts detailing salary and benefits.

3. Work Permits & Visa Requirements

  • Most expats need a Non-Immigrant B visa and corresponding work permit.

  • SMART Visa holders may have certain exemptions.

  • Verify the job is not on Thailand’s restricted list.

4. Minimum Wage & Labour Compliance

  • Minimum wage in Bangkok (from July 2025): THB 400/day.

  • Compliance with labor entitlements is mandatory (e.g., leave, overtime).

  • Use bilingual (Thai/English) employment contracts for clarity.

5. Taxation

Tax Residency:

  • Resident: 180+ days in Thailand, taxed on both Thai-sourced and foreign income remitted to Thailand.

  • Non-resident: Taxed only on Thai-sourced income.

Personal Income Tax Rates (2025):

  • 0 – 150,000 THB: 0%

  • 150,001 – 300,000 THB: 5%

  • 300,001 – 500,000 THB: 10%

  • 500,001 – 750,000 THB: 15%

  • 750,001 – 1,000,000 THB: 20%

  • 1,000,001 – 2,000,000 THB: 25%

  • 2,000,001 – 5,000,000 THB: 30%

  • Over 5,000,000 THB: 35%

6. Employer Tax Withholding

  • File P.N.D.1 monthly, due by the 15th of the following month.

  • Issue 50 Tawi tax certificates by February 15 for active employees and within a month for leavers.

7. Social Security Contributions

  • Employers and employees each contribute 5% of wages (max THB 750).

  • Contributions are due monthly by the 15th.

8. Payroll Process

Monthly Tasks:

  1. Calculate gross-to-net pay.

  2. Withhold income tax and social security.

  3. Submit P.N.D.1 and pay SSO contributions.

  4. Deliver payslips securely.

Year-End Tasks:

  1. File annual P.N.D.1 Kor.

  2. Issue tax certificates.

  3. Reconcile payroll records.

9. Common Mistakes to Avoid

  • Misclassifying tax residency can lead to penalties.

  • Ignoring allowances can result in tax issues.

  • Role/title mismatches can invalidate work authorization.

10. Best Practices

  • Maintain a compliance calendar for filings.

  • Utilize e-Filing and automate processes.

  • Match job titles in payroll with work permits.

  • Retain all payroll and visa documentation for audits.

  • Consider outsourcing payroll for expertise and efficiency.

Conclusion

Effectively managing payroll for foreign staff in Thailand requires careful coordination of HR, tax, and immigration processes. With proper documentation and consistent compliance, you can avoid costly errors and legal issues.

About Me
Siac Consulting Experts

Specializes in Thai company formation for foreign entrepreneurs, with expertise in BOI registration, and ongoing corporate compliance.

Stay up-to-date

Helpful Links

Opening a Corporate Bank Account in Thailand

Opening a Corporate Bank Account in Thailand

Certified English–Thai Translation & Legalization in Thailand

Certified English–Thai Translation & Legalization in Thailand

Thailand Trademark Registration

Thailand Trademark Registration

VAT Registration in Thailand

VAT Registration in Thailand

© 2025 Siac Consulting Co. Ltd

© 2025 Siac Consulting Co. Ltd

SIAC Consulting Co. Ltd

Payroll

Mental Health Matters: Traveling and Coping with Anxiety

Managing payroll for foreign employees in Thailand involves navigating labor laws, immigration rules, taxation, and social security compliance. This guide outlines the essential steps from setup to monthly filing.

1. Overview

Employers must secure the right visa, work permit, and payroll setup. Key requirements include:

  • Registering for tax and social security.

  • Withholding and submitting personal income tax monthly.

  • Filing annual reports and issuing tax certificates.

  • Ensuring job titles match work permits exactly.

2. Required Documents

Before adding a foreign employee to payroll, collect:

  • Passport (photo page + stamps)

  • Non-immigrant “B” or SMART visa

  • Work permit (matching company, title, location)

  • Thai Tax ID number

  • Thai bank account details

  • Employment contracts detailing salary and benefits.

3. Work Permits & Visa Requirements

  • Most expats need a Non-Immigrant B visa and corresponding work permit.

  • SMART Visa holders may have certain exemptions.

  • Verify the job is not on Thailand’s restricted list.

4. Minimum Wage & Labour Compliance

  • Minimum wage in Bangkok (from July 2025): THB 400/day.

  • Compliance with labor entitlements is mandatory (e.g., leave, overtime).

  • Use bilingual (Thai/English) employment contracts for clarity.

5. Taxation

Tax Residency:

  • Resident: 180+ days in Thailand, taxed on both Thai-sourced and foreign income remitted to Thailand.

  • Non-resident: Taxed only on Thai-sourced income.

Personal Income Tax Rates (2025):

  • 0 – 150,000 THB: 0%

  • 150,001 – 300,000 THB: 5%

  • 300,001 – 500,000 THB: 10%

  • 500,001 – 750,000 THB: 15%

  • 750,001 – 1,000,000 THB: 20%

  • 1,000,001 – 2,000,000 THB: 25%

  • 2,000,001 – 5,000,000 THB: 30%

  • Over 5,000,000 THB: 35%

6. Employer Tax Withholding

  • File P.N.D.1 monthly, due by the 15th of the following month.

  • Issue 50 Tawi tax certificates by February 15 for active employees and within a month for leavers.

7. Social Security Contributions

  • Employers and employees each contribute 5% of wages (max THB 750).

  • Contributions are due monthly by the 15th.

8. Payroll Process

Monthly Tasks:

  1. Calculate gross-to-net pay.

  2. Withhold income tax and social security.

  3. Submit P.N.D.1 and pay SSO contributions.

  4. Deliver payslips securely.

Year-End Tasks:

  1. File annual P.N.D.1 Kor.

  2. Issue tax certificates.

  3. Reconcile payroll records.

9. Common Mistakes to Avoid

  • Misclassifying tax residency can lead to penalties.

  • Ignoring allowances can result in tax issues.

  • Role/title mismatches can invalidate work authorization.

10. Best Practices

  • Maintain a compliance calendar for filings.

  • Utilize e-Filing and automate processes.

  • Match job titles in payroll with work permits.

  • Retain all payroll and visa documentation for audits.

  • Consider outsourcing payroll for expertise and efficiency.

Conclusion

Effectively managing payroll for foreign staff in Thailand requires careful coordination of HR, tax, and immigration processes. With proper documentation and consistent compliance, you can avoid costly errors and legal issues.

Stay up-to-date

Helpful Links

Opening a Corporate Bank Account in Thailand

Opening a Corporate Bank Account in Thailand

Certified English–Thai Translation & Legalization in Thailand

Certified English–Thai Translation & Legalization in Thailand

Thailand Trademark Registration

Thailand Trademark Registration

VAT Registration in Thailand

VAT Registration in Thailand

© 2025 Siac Consulting Co. Ltd

© 2025 Siac Consulting Co. Ltd

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