Over the past several years, Thailand has actively restructured its economy in order to attract foreign investment, particularly in sectors such as digital technology, clean energy, modern healthcare, and innovation-driven industries. One of the most significant legal and policy mechanisms supporting this initiative is the investment promotion regime administered by the Thailand Board of Investment (“BOI”).
The BOI is not merely a tax incentive authority. Rather, it functions as a strategic policy instrument through which the Thai government directs economic development and attracts high-value foreign investment from around the world. Accordingly, understanding the legal framework, eligibility requirements, incentives, and regulatory limitations associated with BOI promotion is critically important for both Thai and foreign investors.
What is the BOI?
The Thailand Board of Investment was established pursuant to the Investment Promotion Act B.E. 2520 (1977). Its primary mandate is to promote and support investments that contribute to Thailand’s economic development. In practice, the BOI has the authority to grant investment incentives to businesses that satisfy the prescribed criteria.
For many investors, particularly foreign investors, BOI promotion represents a crucial pathway for conducting business operations in Thailand, as it may substantially reduce or exempt certain legal restrictions otherwise imposed under Thai law.
Key BOI Incentives
BOI incentives are generally divided into two principal categories: tax incentives and non-tax incentives.
From a tax perspective, the BOI may grant corporate income tax exemptions for several years depending on the nature of the promoted activity and the level of technology involved. Additional incentives may include exemptions from import duties on machinery, raw materials, and equipment used for research and development purposes.
From a non-tax perspective, one of the most attractive privileges for foreign investors is the ability to maintain 100% foreign ownership in promoted businesses, even where such businesses would otherwise be classified as “foreign businesses” under the Foreign Business Act B.E. 2542 (1999).
In addition, the BOI may permit promoted companies to own land for operational purposes, employ foreign experts and skilled personnel, and benefit from visa and work permit facilitation through the One Stop Service Center system.
Types of Businesses Eligible for BOI Promotion
At present, the BOI promotes a broad range of industries that align with Thailand’s economic and technological policies, including software and digital businesses, data centers and cloud services, smart electronics, electric vehicles (EVs), renewable energy, biotechnology, medical technology, automation and robotics, research and development, and International Business Centers (IBC).
Nevertheless, although certain businesses may appear to qualify for BOI promotion in principle, approval in practice often depends on more nuanced considerations, including the business model, revenue structure, technological sophistication, value creation within Thailand, employment of skilled personnel, and the company’s overall competitiveness.
For example, an IT consulting business that merely provides general advisory services may have a lower likelihood of receiving promotion compared to a business that develops proprietary software platforms or possesses clearly identifiable intellectual property assets.
Relationship Between the BOI and the Foreign Business Act
One of the most significant considerations for foreign investors is the interaction between BOI promotion and Thailand’s foreign ownership restrictions.
As a general principle, the Foreign Business Act B.E. 2542 (1999) restricts foreign participation in certain categories of business activities unless a specific exemption or approval is obtained, such as a Foreign Business License (“FBL”).
However, where a business receives BOI promotion, the promoted entity may be exempted from the requirement to obtain an FBL for the approved activities. As a result, foreign investors may legally hold 100% ownership in the promoted company.
For this reason, BOI promotion has become a highly strategic mechanism for foreign investors seeking a fully foreign-owned structure in Thailand.
Key Legal Considerations and Risks
Although the BOI provides substantial incentives, obtaining BOI promotion does not exempt a business from compliance with other applicable Thai laws and regulations.
In practice, investors must continue to consider sector-specific legal requirements, including data protection laws, employment regulations, tax laws, building control regulations, environmental laws, and industry-specific licensing requirements.
Furthermore, BOI-promoted companies remain subject to ongoing compliance obligations following approval. These obligations may include operational reporting requirements, maintenance of investment ratios, adherence to the approved business scope, and compliance with technological or personnel-related conditions. Failure to comply may result in partial or complete revocation of BOI privileges.
Another important point is that many investors mistakenly assume that BOI approval is guaranteed merely because a business falls within a promoted category. In reality, the BOI exercises discretion on a case-by-case basis and places substantial emphasis on the actual substance and economic value of the business rather than the mere formality of corporate documentation or ownership structuring.
Future BOI Trends
Current BOI policy trends clearly reflect Thailand’s transition from a labor-intensive economy toward a technology- and innovation-driven economy.
Businesses involving artificial intelligence (AI), digital infrastructure, clean energy, carbon reduction, smart manufacturing, and high-value services are increasingly likely to receive governmental support. At the same time, the BOI has begun placing greater emphasis on ESG considerations and sustainability in evaluating investment projects.
Accordingly, investors who can demonstrate long-term economic value creation, technological advancement, and enhancement of Thailand’s competitive capabilities are generally more likely to receive support than projects focused solely on ownership structuring or tax incentives.
Conclusion
The BOI remains one of Thailand’s most significant legal and policy mechanisms for attracting foreign investment, particularly in an era of intensifying competition in the digital economy and advanced technology sectors.
However, obtaining investment promotion should not be viewed merely as a documentary process for securing incentives. Rather, it involves the careful structuring of business operations, investment strategy, and comprehensive compliance with Thai law.
In practice, investors who successfully obtain BOI promotion are often not simply those with “good businesses,” but those capable of clearly demonstrating how their business will contribute economic value, technological development, and enhanced competitiveness to Thailand in a meaningful and sustainable manner.
Disclaimer
This article has been prepared solely for general informational purposes and does not constitute legal advice. The information contained herein may not be exhaustive and may not reflect the most current legal developments. Readers should not rely on this article as a substitute for obtaining legal advice from qualified legal professionals who can assess the specific facts and circumstances of each case. The publication or use of this article does not create a lawyer-client relationship. All rights reserved under the Thai Copyright Act B.E. 2537 (1994).
By Pinprapus Chartikavanich
8 April 2026