Understanding Thailand's Tax Filing System

Thailand's Tax Filing System - Pimaccounting

Understanding Thailand's Tax Filing System

The Thai tax system may be complicated for enterprises and people, especially those who are unfamiliar with the rules and regulations. Understanding the Thai tax filing procedure is essential for everyone doing business in Thailand. This page will give a complete overview to Thailand's tax system, including the many types of taxes, tax rates, and the filing process.

Types of Taxes in Thailand

Individuals and businesses in Thailand must pay a variety of taxes, including personal income tax, corporate income tax, value-added tax, particular business tax, and stamp duty tax.

  1. Personal Income Tax: This tax is levied on an individual's income, both Thai and foreign. Any individual who earns income in Thailand, whether from employment or business, is subject to personal income tax. The tax rate is progressive, starting at 5% and increasing to 35%, depending on the income level.
  2. Corporate Income Tax: This tax is imposed on the income of a company, partnership, or juristic person that operates in Thailand. The tax rate for corporate income tax is a flat rate of 20%.
  3. Value-Added Tax (VAT): This tax is levied on the value-added to goods and services at each stage of the supply chain. The VAT rate is 7%, with some goods and services being exempt from VAT.
  4. Specific Business Tax: This tax is levied on businesses that provide specific services, such as commercial banks, finance, and credit companies. The tax rate is 3% of gross receipts.
  5. Stamp Duty Tax: This tax is imposed on legal documents and contracts in Thailand. The rate is 0.1% of the transaction value.

Tax Rates

Thailand's tax rates differ based on the type of tax paid. Personal income tax rates vary according to income level, ranging from 5% to 35%. The corporate income tax rate is 20%, whereas the VAT rate is 7%. The rate of specific business tax is 3% of gross receipts, and stamp duty tax is 0.1% of transaction value.

Filing Taxes in Thailand

The procedure for submitting taxes in Thailand varies depending on the type of tax paid. Individuals must file a tax return for personal income tax by the end of March of the following year. Companies must file a corporate income tax return within 150 days of the end of the accounting period. Depending on the size of the firm and the nature of the sector, value-added tax returns are filed monthly or quarterly. Specific business tax and stamp duty tax returns must be filed by the 15th of the month following.

To guarantee correct tax returns, it is critical to retain accurate records and receipts for all company activities. Incorrect tax filing might result in fines and penalties.

Tax Incentives and Exemptions

The Thai government offers various tax incentives and exemptions to promote economic growth and development. Some of the tax incentives and exemptions include:

  1. Corporate income tax exemption for companies operating in designated Special Economic Zones (SEZs) in Thailand for up to eight years.
  2. Double tax agreements between Thailand and other countries to avoid double taxation of income.
  3. Tax exemptions for foreign individuals and corporations for income derived from international transport, international trade fairs, and other international events.
  4. Tax exemptions and reductions for investment in certain industries, such as software development, biotechnology, and electronics.
  5. Reduced tax rates for small and medium-sized enterprises (SMEs) and start-ups.


Thailand's tax system might be difficult, but grasping the fundamentals is critical for anybody doing business in the nation. This tutorial gives an overview of the many forms of taxes.