DISCLAIMER
This publication is intended as a summary of key aspects of Thai law that foreign investors should be aware of and familiar when initially setting up or planning business in Thailand. Each of the laws is subject to change.
LEGALESE TEAM
We are Legalese, a premier independent law firm located in the heart of Bangkok, Thailand.
An independent law firm providing legal & tax advisory services, established in 2024 and located in the heart of Bangkok, Thailand. We have successfully led numerous outstanding projects, provided invaluable legal insights and ensured compliance within the intricate Thai legal and tax system.
Our team offers expert guidance tailored to the clients’ specific needs to ensure the clients’ projects proceed smoothly, efficiently and legally. We specialize to provide our diverse clients, including private individuals, start-ups, local entrepreneurs, small to medium-sized enterprises as well as multinational corporations expanding into Thailand in need of strategic legal counsel.
At Legalese, we are committed to excellence, integrity, and client satisfaction.
We believe that legal matters are rarely limited to a single practice area. With our seasoned experience, we recognize that every legal issue extends across multiple dimensions.
OUR CAPABILITIES
As your trusted legal counsel specializing in delivering comprehensive legal and tax advisory services, we are dedicated to providing our services with tailored, efficient, and strategic solutions by acknowledging and addressing the presence of legal and taxation intricacies and effects to meet the unique needs of our clients.
The past practices we provided the following:
1. Antitrust & Competition 2. Banking & Finance 3. Capital Markets 4. Dispute Resolution 5. Employment & Compensation 6. International Commercial & Trade 7. Investigation, Compliance & Ethics | 8. Investment Funds 9. Mergers & Acquisition 10. Private Equity 11. Projects 12. Real Estate 13. Taxation |
2026 Trends
Thailand, the prime location in Southeast Asia, is a very fascinating destination which attract investors to invest in Thailand. According to announcement of Thailand Board of Investment (which defined in items “The Exemptions”), is expected to introduce a set of investment promotion measures, replacing programs that expired in 2025. Thailand’s renewed BOI framework offers stronger tax incentives, broader eligibility, and more investment‑friendly pathways. The BOI measures are open for applications from the first working day of 2026 through the last working day of 2027 which are the following measures:
- Measure for Retention and Expansion of Existing Production Bases;
- Measure for Comprehensive Business Relocation;
- Measure to Upgrade the Automotive Industry; and
- Measure to Promote Joint Ventures between Thai and Foreign Companies for Automotive Parts Manufacturing.
Furthermore, according to Foreign Affairs Office, The Government Public Relations Department, announced that Thailand’s economic cabinet has approved the BOI’s package of three measures including as follows:
- “FastPass” system, aim to streamline procedures and reduce approval time by 20% to 50% which already initiated implementation in December 2025; and
- Other two measures, “the development of high-skill personnel and competitiveness support for entrepreneurs” measure, a program which upskill and reskill workers more than 100,000 Thai workers and students for emerging industries and offers grant covering 30% to 50% of investment, up to BTH 100 million (around USD 3,000,000) per company to support Thai business in R&D, green technology adoption, and transitions toward environmentally friendly industries.
The Details of Forms of Business in Thailand
In part of Thailand Economic Status, The Monetary Policy Committee assessed that average headline inflation in 2026 would remain at a low level. The MPC would implement monetary policy to facilitate the gradual return of headline inflation to the medium-term target in 2027. Nevertheless, inflation in the period ahead remains highly uncertain due to both external and supply-side factors, such as global economic growth and global energy prices prospects, as well as uncertain structural changes — particularly intensified competition under the evolving global trade landscape, the trend of deglobalization, and the transition toward a green economy.
In part of the Foreign Business Act (Defined in item “The Laws of Foreign Investment in Thailand”), the Cabinet’s approval in principle to amend the FBA which update "Restricted Lists" (List 1, 2, or 3) of FBA as follows changes:
| Aspect | Current FBA Framework | Proposed Amendments |
| List 3: “Other Services” | A broad category that restricts many service and tech sectors unintentionally. | Expected to be narrowed with clearer definitions; high-tech and R&D services may be excluded from restrictions. |
| New Business Exemptions | Limited flexibility; new business models often require case-by-case review. | New fast-track notification system for “future businesses” rather than full licensing. |
| Administrative Process | Little transparency and slow status tracking for license applications. | More digitalisation, a modern tracking system, and reduced bureaucracy. |
Finally, Thailand also aimed at strengthening the country’s innovation ecosystem and supporting early-stage, high-potential companies. The Draft Startup Promotion Act (Defined in Item “Start-up”), received approval in principle from the Cabinet in late 2024 which may be the key incentive of Thailand recently which is currently under consideration and has not yet been enacted.
Thailand Direction
Thailand may hold future elections and constitutional developments that could impact policy direction.
The constitutional referendum is not an immediate vote on a new constitution, but rather a first step in building a governance framework. This move could reinforce political stability and encourage greater engagement from citizens and foreign observers alike, offering a foundation for transparent, long-term reforms.
The outcome of election and a constitutional referendum will help shape the next phase
of national development, with an emphasis on policy continuity, economic resilience, and sustainable growth. the next government will be well positioned to build on Thailand's economic strengths, enhance investor confidence, and advance reforms that support
long-term competitiveness, helping to create a more robust and dynamic economy that attracts investment and fosters sustainable growth.
The Update of Legal and Tax in Thailand
1. Forms of Business and Foreign Investment of Thailand
| Items | Description |
| Limited Liability Companies | 1. Private Limited Companies
According to Section 1012 of Thai Civil and Commercial Code ("TCCC"), specifies that two or more persons can set up the Thailand Company ("Limited Company").
However, planning to setting up the Limited Company is required
1. Article of Association; 2. Memorandum of Association; 3. Shareholder Agreement; 4. Any meeting and report to be required by TCCC; and 5. Compliance to specific laws of specific type of business which must be required to comply along with setting up Limited Company.
2. Public Limited Companies
According to Section 16 of Public Limited Companies Act, B.E. 2535 (1992) ("PLCA"), The number of persons to Incorporate a Public Company must be 15 or more persons. The Pros of the Public Company is to facilitate in capital raising, e.g., a public offering which must also comply to the Securities and Exchange Act, B.E. 2535 (1992) ("SEA"), governance, disclosure and shareholder protection requirement which is more rigorous and complex than the Limited Company.
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| Partnerships | Ordinary Partnership and Limited Partnership
Two or more persons may establish Ordinary Partnership and Limited Partnership. The differences between Ordinary Partnership and Limited Partnership may be described as follows:
1. In case of Ordinary Partnership, all partners have joint and unlimited liability for the debts and obligations of the partnership;
2. The Ordinary Partnership may be registered or unregistered. The registered Ordinary Partnership can be the proof or claim against third parties according to Section 1065 of TCCC; and
3. The Limited Partnership must be registered. Some partners who register as a limited liability partner are without the obligations and debts of the partnership other than some partner who register as managing partner who are responsible to unlimited liability of the Limited Partnership, but a limited liability partner can only contribute money or other property to the Limited Partnership.
Please note that: In case of the Ordinary Partnerships and Limited Company that have registered capital of more than THB 5 million are subject to additional requirements to submit evidence which the details are according to Order of Office of the Company Limited and Partnership Registration, Department of Business Development ("DBD").
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| Branch Offices | In Thailand, there are no laws or regulations that specifically address the establishment or registration of the presence in Thailand. However, the Branch Office is considered the same legal entity as its head office overseas which carry on any or all the activities within the scope of the head office's business objectives.
The Branch Office will be subject to prohibitions and restriction under
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| Representative Offices | A Representative Office has a limited scope of activity which consists of the following support services to its head office located offshore:
1. To seek for the supply source of goods or services in Thailand for the head office or affiliated company or the group company;
2. To inspect and control the quality and quantity of the goods that the head office or affiliated company or the group company purchased or hired to manufacture in Thailand;
3. To give advice on various aspects pertaining to the goods distributed by the head office or affiliated company or the group company to the distributors or the users;
4. To disseminate the information in relation to the new goods or services of the head office or affiliated company or the group company; and
5. To report the business movements in Thailand to the head office or affiliated company or the group company.
The Representative Office is generally exempt from the requirement to obtain a Foreign Business License, provided it operates within permitted activities.
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| Regional Offices | A Regional Office is permitted to only undertake the following activities:
1. To carry out duties in communicating, coordinating, and directing, on the behalf of the head office, the operation of the branches and affiliates located in the same region; and
2. To provide the following services on the head office as follows:
The Regional Office will not be subject to prohibitions and restriction under the FBA which is not required to obtain the FBL. |
| Joint Ventures | Joint Ventures are many different forms which mainly divided as follows:
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| Distributorships | There is no specific law of this relationship. The relationship of Distributorship is consisted of supplier and distributor which is governed by the Contract of provision of the TCCC which is no requirement to register to government authorities and Intellectual Property Laws,
Moreover, The Distributor is not considered to be the agent, representative, or go-between of the supplying company.
Please note that: an offshore company using a distributor for the sale of its goods in Thailand is not subject to any Thai tax on the income from its sales to the distributor.
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| Licensees | it must be made in writing and registered with the Registrar of the Department of Intellectual Property, the Ministry of Commerce. |
| Agencies | A Principal is bound by the acts of an agent acting within the scope
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| Start-up | The benefits and qualification from The Draft Startup Promotion Act (“DSPA”) are as follows:
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| Items | Description |
| The Foreign Business Act | The main focus of law regarding the Foreign Business in Thailand is the Foreign Business Act, B.E. 2542 (1999) (the "FBA"). The Foreign Business is subject to have FBL according to FBA with the following conditions:
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| The Exemptions | The Exemptions of FBA are as follows:
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| Anti Nominee Measurement of DBD | According to Order of the Central Partnership and Company Registration Office No. 2/2568 (2025) Re: Criteria and Supporting Documents for the Registration of Partnerships and Limited Companies Involving Foreign. In case of Participation or Authorized Foreign Directors, for juristic persons where foreign shareholding is less than 50% of the registered capital, or where there is no foreign shareholder but a foreign director with signing authority, each Thai partner or shareholder is required to submit bank statements of 3 months demonstrating withdrawals or transfers consistent with the amount of capital contribution or share subscription.
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| Items | Description | ||||||||||
| 4 Main Forms of Mergers and Acquisitions in Thailand. | Mergers and Acquisitions (“M&A”) in Thailand can be taken in several forms which can be explained the following forms:
The law keys of M&A are as follows:
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2. Real Estate law
| Items | Description |
| Real Estate | There are restrictions relating to development on land. Investor need to check all relevant criteria and requirement carefully |
| Land Development | There is Criteria of Development on land which can be the following purposes:
Moreover, Land development consists of 2 requirements:
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| Foreign Ownership of Land | In case of Residential purpose, the Foreigners may acquire land ownership strictly not exceeding one Rai (or 1600 sq. m.) in area, according to specific statutory requirements. The Law specifies that the individual must invest a minimum of THB 40 million in Thailand and obtain prior approval from the Ministry of Interior of Thailand. Such acquisition is governed by the criteria, procedures, and conditions prescribed in Ministerial Regulations, for instance, the investment must be in businesses that are beneficial to the country’s economy and social welfare.
Government policy has generally not permitted foreigner to own land. Except:
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| Foreign Ownership of Condominium | Foreigners may own up to 49 percent of the total area of all condominium units in a condominium project and the condition of qualification of ownership registration with the following conditions:
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| Foreign Ownership of Building | Foreigners may own buildings directly and freehold, provided that they have the rights to locate the buildings on land and use the land. However, the construction must be secured by a building permit, and ownership should be registered at the Land Office.
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| Alternatives | The TCCC allows forms of possessory rights such as a lease which the Foreigner and Thai nationals equally use this right unlike the Land Code. The examples of TCCC's form of possessory rights are as follows:
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| Alternative Investment in Real Estate for Foreigners | Real Estate Investment Trust (“REIT”)
Investment Gateway: REITs serve as a vehicle for foreigners to invest in real estate via units listed on the Stock Exchange of Thailand (SET). Scale Requirements: A REIT must maintain a minimum real estate investment value of at least 500 million Baht. Asset Flexibility: They can invest in freehold or leasehold properties, both locally and internationally, specifically to generate rental income. Tax Efficiency: The trust itself is exempt from income tax, and investors may see reduced withholding taxes through double tax treaties. High Payouts: Regulation mandates the distribution of at least 90% of adjusted net profit to unitholders annually. Ownership Caps: To maintain diversity, no single person or group is allowed to own more than 50% of a REIT’s total units.
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3. Taxation
| Items | Description | ||||||||||||||||||
| Personal Income Tax (PIT) | The current personal income tax rates are shown below:
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| Corporate Income Tax (CIT) | The standard rate of corporate income tax is 20%. However, the corporate income tax rates for small and medium enterprises (SME) are as follows:
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| Valued Added Tax (VAT) | VAT is an indirect, multi-stage consumption tax imposed on the sale of goods, the rendering of services, and the importation of products. It is calculated based on the total value of the goods or services provided at each stage of the supply chain.
The standard rate of VAT is 10% but the government has the power to reduce the rate. The reduced VAT rate of 7% has been extended (currently expected to remain in effect beyond 2025, subject to further extensions by Royal Decree). However, some items may also 0% rate of VAT. | ||||||||||||||||||
| Specific Business Tax (SBT) | There is some business which shall be subject to SBT the following businesses:
- Commercial banking, financial and credit foncier business 3.0 % (The rate of SBT has been reduced from 3% to 0.01% in respect of certain items of banking income.) - Life insurance 2.5 % - Pawnshop brokerage 2.5 % - Sale of immovable property, real estate 3.0 % - Sale of securities in the stock exchange 0.1 % (It currently is exempt from SBT.)
An additional 10% of the tax is levied as municipality tax. | ||||||||||||||||||
| Excise Tax (ET) | The excise tax calculation is based on both ad valorem rates (or "SRP") and/or specific rates. The excise tax formula varies depending on type of excise taxable products, for example:
(SRP x ET rate) is applicable for motor vehicles, motorcycles, and cosmetic products.
(Specific rate x quantity) is applicable for petroleum oil products.
(SRP x ET rate) + (specific rate x quantity) is applicable for non-alcoholic beverages and tobacco products.
(SRP x ET rate) + (specific rate x quantity x degree of pure alcohol) is applicable for alcoholic beverages. | ||||||||||||||||||
| Stamp Duty | Stamp duty is levied on 28 different types of documents and instruments, including contracts for hire of work, loans, share transfers, leases of land or buildings, and insurance policies. The rate of stamp duty varies depending on the type of document but ranges from THB 1 per THB 1,000 of value on most contracts and agreements to a fixed amount per instrument on most commercial and other documents. | ||||||||||||||||||
| Customs Duty | Duties are levied on a specific or an ad valorem basis, whichever is higher, and the applied ad valorem duties range between 0% and 80%.
Exemptions from import duties are available on particular items of goods as prescribed in the Customs Tariff Decree. Preferential duty rates are available on imported goods from countries that have a preferential free trade agreement (FTA) with Thailand. | ||||||||||||||||||
| Local Tax | Land and building tax
The tax base is the value of the land, building, or condominium unit as appraised for the collection of fees by the relevant government authority for registrations under the Land Code.
The tax is levied on an annual (calendar year) basis, and the local municipal authority will send a tax assessment letter to the taxpayer before the end of February each year. The taxpayer must pay the tax so assessed before the end of April each year.
The statutory maximum tax rates range from 0.15% to 3%, depending on the purpose of use. However, the actual rates to be applied each year are published in a royal decree.
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Signboard tax
| Signboard tax is levied annually on certain commercial signs or billboards at varying rates according to the size and language used. There are higher rates imposed for text that moves or changes. | ||||||||||||||||||
| Inheritance Tax & Gift Tax | The inheritance tax rate is 10%, except in the case of heirs who are ascendants or descendants of the testator, where the rate is 5%.
Gifts in excess of the above thresholds will be subject to PIT at the rate of 5% and will not need to be included together with other income when computing the annual PIT liability. | ||||||||||||||||||
| Transfer Pricing | The company which is subject to a definition of related parties is required to report transfer pricing information according to requirements of Section 71 Ter and 71 Bis of Thai Revenue Code (“TRC”) and relevant laws of Transfer Pricing. Thus, Failure to comply must be liable on Fine penalty not exceeding THB 200,000 according to TRC.
Definition of related party which may be subject to Transfer pricing Rule is details as follows:
1. A company or juristic partnership falling under the following criteria would be considered as a related party:
2. The companies with annual revenue exceeding THB 200 million are required to prepare transfer pricing documentation. |
4. Labor law & Immigration Law
| Items | Description | ||||||||||||||
| Labor Mobility in Thailand Matters | Labor laws are consisted of the following laws:
1. The Labor Protection Act, B.E.2541 (1998) (“LPA”); 2. Labor Relations Act, B.E. 2518 (1975); 3. Social Security Act (“SSA”); 4. Compensation Act; 5. Occupational Safety, Health and Environment Act B.E. 2554 (2011); 6. Home Workers Protection Act, B.E. 2553 (2010); and 7. Act for the Establishment of and Procedure for Labor Court, B.E. 2522 (1979).
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| Entitlement to Statutory Employment Rights | The key points which the employee should be entitled to be under the LPA in the following key points:
Please note that: If an employee takes sick leave for three or more consecutive working days, the employer may legally require a medical certificate from a certified physician.
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| Severance Pay |
According to the LPA, the amount of severance pay is determined by the employee's length of service which the last rate of wages refers to the basic salary (excluding certain allowances unless they are classified as wages) at the time of termination, as shown table below:
However, the Employer is not required to pay severance including the following causes;
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| Foreign Worker | Certain occupations are strictly restricted to Thai nationals under the Royal Decree Prescribing Works Related to Occupation and Profession in Which an Alien Is Prohibited to Engage, B.E. 2522 (1979) including Wood Carving, Tour Guide, Accounting or Auditing or Other Accounting Businesses, Construction Supervision or Advice regarding Civil Engineering, Legal or Litigation services etc. | ||||||||||||||
| Long-Term Resident Visa | BOI attract foreign investors, skilled professionals, retirees, and remote workers who live or settle in Thailand. The Long-Term Resident (“LTR”) Visa is expected to attract new foreign residents, technologies and talents contributing to domestic spending and investment while supporting economic growth.
The Benefits of LTR Visa are with the following:
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