Corporate Taxation in Thailand

Published on May 7, 2026 and written by Cyril Jarnias

Thailand offers an attractive tax environment for foreign companies looking to establish a presence in Southeast Asia. With a relatively simple tax system and competitive tax rates, the kingdom has become a top destination for many international investors. This article presents the key aspects of corporate taxation in Thailand, as well as the steps to follow to comply with local regulations.

The Thai Tax Landscape: An Asset for Your Business

Corporate taxation in Thailand is based on several types of taxes and duties that companies must understand and integrate into their financial strategy. Here are the main taxes to which businesses are subject:

Corporate Income Tax (CIT): The standard corporate income tax rate in Thailand is 20% on net profits. However, reduced rates apply for SMEs based on their revenue:

• 15% for companies with net profits between 300,000 and 3 million baht
• 20% for net profits exceeding 3 million baht

Value Added Tax (VAT): The standard VAT rate in Thailand is 7%. Certain goods and services are exempt or subject to a reduced rate.

Withholding Tax: Thailand applies withholding tax on certain types of payments, including:

• 3% on professional fees
• 5% on rents and royalties
• 10% on dividends paid to non-residents
• 15% on interest paid to non-residents

Specific Business Tax (SBT): This tax applies to certain specific activities such as banking, real estate, or insurance. The rate varies between 0.1% and 3% depending on the business sector.

It is important to note that these rates may change. It is therefore recommended to regularly consult tax updates from the relevant authorities or to engage a local accountant to ensure your company’s compliance.

Tax Registration: Key Steps to Start Your Business Legally

To operate legally in Thailand, every company must register with the Thai tax authorities. Here are the main steps to follow:

1. Obtaining a Tax Identification Number

When incorporating your company, you must register with the Department of Business Development (DBD) of the Ministry of Commerce. Once this step is completed, you will automatically receive a tax identification number.

2. VAT Registration

If your annual turnover exceeds 1.8 million baht, you must register for VAT with the Revenue Department. This can be done online or directly at the local tax office.

3. Business Activity Declaration

Within 60 days of starting your business, you must file a business activity declaration (Por Phor 01) with the Revenue Department. This document provides detailed information about your company, its activities, and its directors.

4. Obtaining a Tax Certificate

Once these steps are completed, you will receive a tax certificate confirming your registration with the Thai authorities. This document is essential for your dealings with the administration and your business partners.

It is highly recommended to engage a local expert to assist you with these administrative procedures, which can be complex for foreign entrepreneurs.

Tax Obligations: A Calendar to Follow Meticulously

Once your company is registered, you must comply with several recurring tax obligations:

Monthly Declarations

• VAT: to be filed by the 15th of the following month
• Withholding tax: to be filed by the 7th of the following month

Annual Declarations

• Corporate income tax: to be filed within 150 days of the close of the fiscal year
• Balance sheet and income statement: to be filed within 5 months of the close of the fiscal year

Corporate Income Tax Installments

Companies must pay corporate income tax installments twice a year, based on an estimate of their annual profit.

Failure to meet these obligations can result in significant financial penalties. It is therefore crucial to set up a rigorous accounting and tax management system, ideally with the help of a local accountant.

Tax Treaties: A Major Asset for Your International Strategy

Thailand has signed double taxation agreements with over 60 countries, including France. These agreements aim to prevent companies from being taxed twice on the same income in two different jurisdictions.

The main benefits of these treaties are:

• Reduction of withholding tax rates on dividends, interest, and royalties
• Elimination of double taxation on profits of permanent establishments
• Facilitation of information exchange between tax authorities

To benefit from these advantages, your company must obtain a tax residence certificate from the Thai authorities and comply with the conditions set out in each treaty.

It is recommended to consult an international tax expert to optimize your tax strategy taking these treaties into account.

Thailand vs. Other Offshore Jurisdictions: A Strategic Choice for Your Business

Compared to other popular offshore jurisdictions, Thailand offers several advantages:

Political and Economic Stability: Unlike some tax havens, Thailand has a reputation for stability that reassures investors.

Developed Infrastructure: The country has modern infrastructure and a skilled workforce, facilitating business establishment and growth.

Targeted Tax Incentives: The Thai Board of Investment (BOI) offers attractive tax incentives for certain priority sectors, which may include corporate income tax exemptions of up to 13 years.

Affordable Cost of Living: Operating costs and labor costs remain competitive compared to other Asian destinations like Singapore or Hong Kong.

Access to the ASEAN Market: Thailand offers privileged access to the growing ASEAN market, with over 650 million consumers.

However, it should be noted that Thailand is not strictly a tax haven. Its tax system is transparent and compliant with international standards, which can be an advantage in terms of reputation for your business.

Conclusion: Thailand, a Wise Choice for Your Expansion in Asia

Corporate taxation in Thailand offers a favorable framework for foreign investors, combining competitive tax rates, a relatively simple system, and targeted incentives for certain sectors. Although the administrative procedures may seem complex at first, they are generally simpler than in many other Asian countries.

To fully benefit from the tax advantages offered by Thailand, it is essential to understand the local system and to surround yourself with experts who can guide you through the process. Rigorous tax planning will allow you to optimize your establishment and focus on developing your business in this dynamic market.