Starting a 100% foreign business ownership in Thailand under the Treaty of Amity offers exciting opportunities but can be a complex and demanding process. Navigating Thailand’s legal and regulatory requirements, particularly under the Foreign Business Act (FBA), can be challenging as foreign ownership is restricted in many industries. However, there are clear pathways to establish and operate such businesses, including obtaining a Foreign Business License or leveraging Board of Investment (BOI) promotions.
At AO, our expert team specializes in guiding foreign entrepreneurs through these intricate processes, ensuring a smooth and compliant setup. Let us help turn your business aspirations into reality.
Foreign Business Act in Thailand
Foreign companies seeking to operate in Thailand must navigate the legal framework outlined in the Thai Foreign Business License Act (FBA). This legislation is crucial for foreign entities as it dictates the types of businesses they can engage in within the country. Before applying for a Thai foreign business license, companies need to examine the FBA carefully to ensure compliance with Thai law.
What is the Process of Obtaining a Thai Foreign Business Act (FBA)License?
Foreign investors seeking to operate a business under foreign ownership in Thailand must obtain the FBA before commencing operations. The application, submitted to the Department of Business Development with the required documents, results in a license valid for up to five years once approved. Under the FBA, this license is mandatory for foreign nationals and shareholders. Operating without it can lead to legal penalties.
The FBA outlines the legal framework governing foreign business activities in Thailand, categorizing them into 3 lists with varying restrictions. Companies must carefully review the FBA to ensure compliance before applying for the license.
Restricted Businesses – Strictly Off-Limits to Foreigners
Foreign entities are entirely prohibited from engaging in these businesses without explicit authorization. These activities are safeguarded to protect cultural, religious, or national interests. Examples include:
– News broadcasting and publishing
– Radio and television operations can also be conducted by a Thai limited company.
– Farming and forestry, including timber conversion, can be facilitated through a limited company in Thailand.
– Extracting Thai herbs and engaging in fisheries can be lucrative for a Thai limited company.
– Trading in Thai antiques or Buddha images
– Buying and selling land
Businesses Related to National Security, Culture, and Natural Resources
These businesses affect national safety, cultural preservation, and environmental sustainability. Foreign participation requires Cabinet approval and is grouped into three categories:
1. National Security/Safety – Defense-related or sensitive industries.
2. Cultural Impact– Activities influencing Thai arts, traditions, and handicrafts.
3. Environmental Impact – Businesses affecting natural resources or ecological balance.
Businesses Reserved for Thai Nationals Due to Competition Concerns
These industries are reserved for Thai citizens as foreign participation may disadvantage local businesses. Foreign companies need approval from the **Commercial Registration Department (CRD)**, typically through a Thailand Foreign Business License (takes 4–6 months). Key examples include:
– Rice milling and flour production
– Aquaculture and reforestation industries
– Plywood and lime production
– Legal services and specific construction projects
– Retail, wholesale, and hotel operations below certain capital thresholds
– Food and beverage sales, plant cultivation, and other regulated services
Each of these lists underscores Thailand’s effort to balance foreign investment with protecting local interests and resources, particularly through the Foreign Business Committee.
What are the Benefits of Obtaining a Foreign Business License Act (FBA)?

Obtaining an FBA offers Thai companies numerous benefits, enabling foreign entities to operate within restricted business activities in domestic and international markets. Foreign shareholders and directors can manage the business unless disqualified within five years prior to application.
The process involves securing a Foreign Business Certificate through the Foreign Licensing Department. However, the license may be revoked if the company violates the Thai Foreign Business Act or related regulations within five years.
Board of Investment (BOI) Promotion: A Smarter Path for 100% Foreign Ownership
The Board of Investment (BOI’s) commitment to promoting investment in Thailand is underscored by a robust set of incentives tailored to meet the diverse needs of businesses. By leveraging these incentives, companies can not only enhance their financial standing but also position themselves strategically in the dynamic Thai market.
With AO’s guidance, your journey with BOI promotion becomes a seamless experience, unlocking a world of opportunities for your business in the Land of Smiles.
Introduction to BOI Promotion:
The Office of the BOI plays a pivotal role in facilitating and encouraging valuable investment in Thailand. As a government agency operating under the Office of the Prime Minister, the BOI focuses on fostering both inbound investments into Thailand and supporting Thai businesses looking to invest overseas, including US citizens.
Businesses eligible for BOI promotion can avail themselves of a range of investment incentives, making it an attractive prospect for companies seeking to establish or expand their operations in the vibrant Thai market.
Advantages of BOI Promotion:
The BOI offers a comprehensive set of incentives to eligible businesses, ranging from tax breaks to non-tax benefits and other unique advantages. These incentives are designed to provide significant support to companies engaged in diverse sectors. Some key incentives include:
Tax Incentives:
- Corporate Income Tax (CIT) Exemption: Eligible companies may enjoy a complete exemption from Corporate Income Tax, providing a substantial boost to their financial viability.
- 50% Reduction in CIT: Alternatively, businesses can benefit from a 50% reduction in Corporate Income Tax, further enhancing their competitive edge in the service business sector.
- Import Duty Exemptions: The BOI extends exemptions on import duties for raw materials used in research and development, as well as for essential machinery, fostering innovation and technological advancement.
Non-Tax Incentives:
- 100% Foreign Ownership: BOI promotes foreign investment by allowing businesses to have complete ownership, providing a conducive environment for international companies to thrive.
- Property Ownership: Foreign investors are permitted full ownership of property, offering greater flexibility in establishing a physical presence in Thailand.
- Skilled Workers and Experts: Companies under BOI promotion can benefit from favorable Thai-to-Foreigner employee ratios and expedited One-Stop-Service access for obtaining work permits to bring in skilled workers and experts, ensuring access to a talent pool that meets their specific needs.
- No Currency Restrictions: BOI eliminates restrictions on movement of foreign currencies, facilitating seamless international transactions and financial operations.
Other Incentives:
- Smart Visas: Eligible companies can benefit from Smart Visas, streamlining the process for skilled professionals to work in Thailand, promoting knowledge transfer and expertise exchange.
AO: Your Trusted Experts for FBA and BOI Applications”

With extensive experience in FBA (Foreign Business Act) and BOI (Board of Investment) applications, we guide foreign investors through the legal and regulatory landscape, helping them establish and expand their businesses with confidence, especially with acclime Thailand. Our team understands the unique challenges faced by foreign business Ownership in Thailand, and we are here to offer reliable, professional, and personalized support.
At AO, we are committed to helping your business thrive in a competitive market.
FAQs About 100% Foreign Business Ownership in Thailand
Q: What is required to achieve 100% foreign ownership in Thailand?
A: To achieve 100% foreign ownership in Thailand, foreign investors must navigate the provisions of the foreign business Ownership law and may need to apply for an FBL depending on the type of business they wish to conduct.
Q: Can foreigners start a business in Thailand without restrictions?
A: No, foreigners cannot start a business in Thailand without restrictions. They must comply with the foreign business Ownership law and potentially apply for a foreign business license (FBL) unless their business falls under categories open to foreign ownership.
Q: What is the Treaty of Amity and how does it impact foreign ownership?
A: The Treaty of Amity is an agreement between Thailand and the United States that allows American citizens to conduct business in Thailand without the restrictions typically imposed on foreign businesses, enabling them to achieve majority ownership in certain sectors.
Q: What type of business structures are available for foreign investors in Thailand?
A: Foreign investors can establish a private limited company, which is the most common structure for a company in Thailand, or apply for a BOI company, which offers various incentives and benefits for foreign ownership.
Q: How does the BOI company facilitate foreign investment?
A: A BOI company allows foreign investors to conduct business in Thailand with fewer restrictions, including the potential for 100% foreign ownership, tax incentives, and the ability to bring in foreign employees without needing special permits.
Q: Are there specific business categories that allow for 100% foreign ownership?
A: Yes, certain business categories are open to 100% foreign ownership, such as those promoted by the BOI or those covered by the Treaty of Amity, depending on the nature of the business in Thailand.
Q: What are the steps to apply for a foreign business license (FBL)?
A: To apply for a foreign business license in Thailand, you must submit a detailed application that includes information about the business, its ownership structure, and its compliance with foreign business Ownership law to the relevant Thai government authorities.
Q: What limitations might foreign investors face when establishing a company in Thailand?
A: Foreign investors may face limitations such as restrictions on specific business categories, requirements for Thai majority ownership in certain sectors, and the need to obtain permits or licenses depending on the type of business they wish to start.
Q: Can foreigners own shares in a private limited company in Thailand?
A: Yes, foreigners can own shares in a private limited company in Thailand, but the extent of ownership is subject to the provisions of the foreign business Ownership law and may require compliance with specific regulations and licensing.
Q: What role does the Thai government play in facilitating foreign ownership?
A: The Thai government plays a crucial role by establishing laws and regulations governing foreign ownership, providing incentives through the BOI, and ensuring compliance with foreign business Ownership laws to attract and facilitate foreign investment in Thailand.