Setting Up a Business in Thailand as a Foreigner: What You Need to Know
The question of whether foreigners can own and run a business in Thailand comes up constantly, and the short answer is yes — but the honest answer involves navigating a law that was written in 1999 to protect certain sectors from foreign control. The Foreign Business Act (FBA) is still the starting point for almost every business decision a foreigner makes here, and understanding how it actually works — including the legitimate ways around its restrictions — is the difference between building something durable and building something that collapses the moment it draws attention.
What the Foreign Business Act Actually Restricts
Under the FBA, a company is legally classified as "foreign" once non-Thai nationals hold 50% or more of its shares. Once a company crosses that threshold, it becomes subject to restrictions across roughly 50 categories of business activity, organized into three lists ranging from activities that are essentially closed to foreigners (media, land trading, certain agricultural work) through to activities where a license can be applied for.
The practical upshot for most foreign entrepreneurs: outside of the pathways below, foreign ownership in most commercial sectors caps out at 49%, with the remaining 51% held by genuine Thai shareholders.
Worth flagging directly: using Thai nationals as nominee shareholders — people who hold shares on paper but have no real investment or management role — to get around this limit is illegal under Section 36 of the FBA, carries criminal penalties for both the foreigner and the nominee, and is actively detected through the Department of Business Development's monitoring systems. It's a structure that some businesses have run for years without incident, but it isn't a legitimate long-term foundation, and it isn't something a reputable advisor will help you set up.
The Real Pathways Foreigners Use
1. A Thai-Majority Company (49% Foreign Ownership)
The simplest and most common route. If you have a genuine Thai business partner willing to hold 51% of the company, the FBA's restrictions largely don't apply, and you can operate in most sectors without a license. This requires real partnership — the Thai shareholders need to show genuine capital contribution (recent guidance requires shareholders to provide bank statements demonstrating this), not a nominal arrangement.
2. BOI Promotion
The Board of Investment offers the most attractive route to full foreign ownership for businesses in sectors Thailand actively wants to attract. BOI-promoted companies can, depending on the activity and incentive package granted, achieve 100% foreign ownership even in otherwise restricted sectors, alongside meaningful incentives: corporate income tax exemptions (in some cases up to 13 years), import duty reductions, the right to own land for promoted operations, and streamlined work permits processed through the BOI's own One-Stop Center.
Priority sectors for 2026 include advanced technology, digital infrastructure, medical and biopharmaceutical manufacturing, electric vehicles, automation and robotics, and food innovation — broadly aligned with Thailand's "Thailand 4.0" economic strategy. BOI promotion isn't automatic; it requires meeting specific eligibility criteria and submitting a qualifying business plan, and it suits larger-scale projects, manufacturing, and high-value service businesses more naturally than a small local café or shop.
3. Foreign Business License (FBL)
For businesses that don't qualify for BOI promotion but fall under List 2 or List 3 activities, a Foreign Business License issued by the DBD is the primary alternative. This route allows majority or full foreign ownership for a specific licensed activity, but approval is not guaranteed — the DBD evaluates applications based on economic necessity, potential for knowledge transfer, and local employment impact, and scrutiny of ownership structure and capital sourcing has intensified in recent reforms. It's a viable path, but a harder and slower one than BOI promotion where BOI eligibility exists.
4. US Treaty of Amity
A long-standing exception specifically for US citizens and US-incorporated companies: under the Treaty of Amity, US nationals can own a Thai company at or near 100%, largely bypassing the FBA's ownership restrictions. This route is only available to US citizens and companies — it doesn't extend to other nationalities.
5. Activities Outside the FBA's Scope Entirely
Some business categories were removed from the FBA's restricted lists in 2026 as part of a broader push to attract foreign investment, meaning foreign nationals in those newly delisted categories can now operate without needing either an FBL or BOI approval. This list shifts over time, so it's worth checking current DBD guidance for your specific business activity rather than assuming last year's restrictions still apply.
The Practical Setup Once You've Chosen a Route
Most foreign entrepreneurs in Thailand, regardless of which ownership route applies, end up forming a Thai Limited Company (Borisat Chamgad), registered with the Department of Business Development. The typical requirements include a minimum of three shareholders (who can include foreigners), registered capital — commonly in the 1–2 million THB range if you intend to sponsor your own work permit through the company — a registered Thai business address, and formal articles of association.
Two administrative notes worth knowing before you start: registrations must now be completed entirely online through the DBD's digital system, and recent changes have introduced in-person verification requirements when adding a foreign director or shareholder to an existing company. Annual beneficial ownership declarations are also now a standing compliance requirement, not a one-time filing.
Where This Gets Genuinely Complicated
Every route above has real conditions attached — sector eligibility for BOI, genuine partnership requirements for the 49% structure, approval uncertainty for an FBL — and the FBA itself has been under active review, with proposed amendments (including a more codified "actual control" test aimed squarely at catching nominee arrangements) that could shift requirements later in 2026 or into 2027.
This is genuinely specialized legal territory: the right structure depends on your specific business activity, your nationality, your capital, and your long-term plans in a way that a general overview like this one can't responsibly resolve for you. Anyone seriously pursuing a Thai business should work with a qualified Thai corporate lawyer before committing to a structure — the cost of proper setup is small next to the cost of unwinding an illegal or non-compliant one later.
If you're thinking about how a Thailand-based business fits into your broader move — visa implications, where to base yourself, or how it connects to property you're managing here — feel free to reach out to our team. We're happy to help you think through the logistics alongside pointing you toward the right legal specialist for the business structure itself.
This article is intended as a general overview for informational purposes and is not legal advice. Thai business law, including the Foreign Business Act and BOI regulations, continues to evolve — always confirm your specific situation with a licensed Thai corporate lawyer before setting up or structuring a business.
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