Tax reporting is an important part of compliance with Thai legislation for both individuals and companies. Depending on tax residency status, sources of income, and other factors, the filing process may vary.
InvestEast provides a full range of services for the preparation and filing of tax returns for foreign individuals and residents.
Who is required to file tax returns:
Tax residents of Thailand
If You stay in Thailand for 180 days or more in a calendar year, You become a tax resident and are required to file annual tax returns.
Foreigners earning income in Thailand
Regardless of residency status, if You receive rental income, run a business, or are employed by a Thai company, You must file a tax return and pay taxes.
Individuals receiving foreign income
Thai tax residents must declare and pay taxes on all income, including income earned outside Thailand.
Foreign employees in Thailand
After obtaining a Tax ID and a work permit, You are required to file personal income tax returns annually.
Types of tax returns and filing deadlines:
Depending on the type of income and taxpayer status, different forms are required:
| Tax Form | Deadline | Types of Income | Filing Threshold |
|---|---|---|---|
| PND 90 (annual) | By March 31 | All types of income (Sec. 40(1)–(8)) | Over 60,000 THB (120,000 for spouses) |
| PND 91 (annual) | By March 31 | Salary only (Sec. 40(1)) | Over 120,000 THB (220,000 for spouses) |
| PND 94 (mid-year) | By September 30 | Rental, services, business, professions (Sec. 40(5)–(8)) | No threshold if income exists |
Personal Income Tax rates:
Thailand applies progressive personal income tax rates ranging from 0% to 35%, depending on annual income:
| Annual Income (THB) | Tax Rate |
|---|---|
| up to 150,000 | 0% |
| 150,001–300,000 | 5% |
| 300,001–500,000 | 10% |
| 500,001–750,000 | 15% |
| 750,001–1,000,000 | 20% |
| 1–2 million | 25% |
| 2–5 million | 30% |
| over 5 million | 35% |
Tax deductions and allowances:
When calculating personal income tax, the following deductions and allowances may significantly reduce the taxable base:
- Personal allowance: 60,000 THB; spouse allowance: 60,000 THB (if not employed)
- Child allowance: 30,000 THB for the first child, 60,000 THB for the second child, including adopted children
- Social contributions and health insurance: up to 100,000 THB for the taxpayer, up to 15,000 THB for parents
How we can help:
InvestEast provides comprehensive support for tax filing:
- Preparation and submission of all required tax returns (PND 90, 91, 94)
- Consultations on tax deductions, allowances, and tax optimization
- Tax calculation and assistance with payment
- Support in communication with tax authorities
For detailed consultation on tax filing or personal income tax matters, please contact us: +66 87 348 5703.