Let’s be real for a second. Whenever you talk about expanding your business into a new country, the first thing that usually comes up is red tape.
If you’ve been looking into Thailand, you’ve probably heard the same thing over and over: “You need a Thai partner. You can only own 49% of your business.”
For a lot of entrepreneurs, that’s a dealbreaker. You’re the one putting in the capital, the sweat equity, and the vision. Why should someone else own the majority of it?
But here’s the thing. If you’re a US citizen, you have a “secret weapon” that almost no one else has. It’s called the Treaty of Amity between Thailand and USA.
Here at Herrera & Partners, we are going to break down exactly how you can use this 190-year-old diplomatic handshake to own 100% of your Thai company, keep full control, and skip the “nominee” headaches that haunt other foreign investors.
What Is the Treaty of Amity Between Thailand and USA?
Most people think of international treaties as dry, boring documents that only diplomats care about. But the Treaty of Amity and Economic Relations is different. It’s a functional business tool.
The original agreement goes all the way back to 1833. Basically, Thailand (then Siam) and the US decided to be best friends. They agreed that Americans should be able to do business in Thailand just like Thais do, and vice versa.
Fast forward to today, and that agreement (now the 1966 version) is your golden ticket.
The core principle here is “National Treatment.” That’s just a fancy way of saying that the Thai government treats your US-owned business as if it were a local Thai business when it comes to ownership. While your competitors from Europe, China, or Australia are stuck looking for local partners, you get to skip the line.
Can US Citizens Fully Own a Thai Company?
The short answer is yes. At H&P, we get asked this all the time: “Can I actually own 100% of my company in Bangkok?”
Yes, you can. But, and there’s always a “but”, it’s not automatic. You don’t just land at Suvarnabhumi Airport and get handed a certificate.
To get that 100% ownership, you have to follow a specific set of rules. Think of it like SEO. If you follow the right signals, Google rewards you. If you skip steps, you get penalized.
To qualify for Treaty protection, your company must meet these three non-negotiables:
- The 51% Rule: At least 51% of your company’s shares must be held by US citizens or US companies. If you want 100% ownership, that’s fine, but the minimum for Treaty protection is 51%.
- The Management Rule: The majority of your “authorized directors” (the people who can sign for the company) must be either US citizens or Thai nationals.
- The Paperwork: You have to get certified by both the US Commercial Service and the Thai Ministry of Commerce.
The “Price of Admission”: Minimum Capital
You also need to show you’re serious. You can’t just start a “shell” company with $1. Usually, you need a minimum capital of 2 million THB (roughly $55,000–$60,000 depending on the exchange rate). If your business is in a “restricted” service category, that number bumps up to 3 million THB.
Is it a hurdle? Yes. But is it worth it for 100% control? Absolutely.
How the Treaty Overrides the Foreign Business Act (FBA)
To understand why the Treaty of Amity between Thailand and USA is so powerful, you have to understand the Foreign Business Act (FBA). This is the law that usually stops foreigners from owning businesses in Thailand.
The FBA has three “Lists” of restricted businesses.
- List 1 is for stuff you can’t touch (like farming or land trading).
- List 2 is for national security.
- List 3 is where most of you live. It covers things like retail, wholesale, and “service businesses.”
Normally, List 3 is a “No-Go” zone for 100% foreign ownership. But the Treaty of Amity effectively acts as a “bypass.” It allows you to operate in most List 3 categories, like consulting, tech, or marketing, without needing a Thai partner.
Think of it as a “VIP Pass” that lets you walk past the bouncer at the club while everyone else is waiting in the rain.
Restricted Business Activities Under the Treaty
We love the Treaty, but we don’t want to mislead you. It doesn’t give you a license to do anything. There are still a few “Hard Walls” that even US citizens can’t climb over.
Under the Treaty, you cannot engage in:
- Transportation
Refers to the movement of people or goods from one place to another, such as passenger transport services or domestic travel systems. - Transport
Covers the movement and logistics of goods, including land, sea, or air freight used to deliver products to their destination. - Fiduciary services (custody of assets for the benefit of others)
Means holding or managing assets on behalf of another party, such as trusteeship or acting as an asset custodian for the true owner. - Banking activities related to accepting deposits
Refers to banking operations involving the acceptance of deposits from individuals or organizations, such as savings accounts or fixed deposits. - Exploitation of land or other natural resources
Means the utilization of natural resources such as land, forests, minerals, water, oil, or other natural assets. - Domestic trade in indigenous agricultural products
Refers to the buying and selling of locally produced agricultural goods, such as rice, fruits, crops, and other native agricultural products within the country.
The Bottom Line: If you’re building a SaaS company, a creative agency, or a management consultancy, the Treaty is perfect. If you’re looking to become a Thai rice farmer or a property developer, you’ll need a different strategy.
Step-by-Step: How to Set Up a Treaty of Amity Company
If you’re ready to pull the trigger, you need to know the process. It’s a bit of a dance between the US Embassy and the Thai Ministry of Commerce. Here is how we do it at Herrera & Partners:
Step 1: Incorporate the Thai Limited Company
First, we set up your company with the Department of Business Development (DBD). At this stage, it looks like a regular Thai company. You’ll need at least two shareholders.
Step 2: Get Certified by the US Embassy
This is where you prove you’re actually American. You’ll need to provide notarized copies of your passport or, if you’re a US company, your Articles of Incorporation. The US Commercial Service will then issue a “Letter of Certification.”
Step 3: Apply for the Foreign Business Certificate (FBC)
This is the final boss. You take that letter from the Embassy to the Thai Ministry of Commerce. They review everything and, if all looks good, they issue your Foreign Business Certificate.
This certificate is your legal shield. It’s the document that officially tells the Thai government, “I’m allowed to own 100% of this business.”
Key Compliance Requirements
Setting up the company is just the beginning. Keeping it compliant is where most people mess up. If you want to stay in the government’s good graces, you need to keep your eye on three things:
- Maintain Your US Majority: If you bring in a partner from Australia or Germany and they take a 50% stake, you lose your Treaty status. The company must remain at least 51% US-owned at all times.
- Authorized Directors: If your authorized director is a US citizen, they need a valid Non-B Visa and a Work Permit. You can’t run a 100% owned company from a beach in Bali without the right paperwork.
- Audit Trails: You need to actually bring the minimum capital into Thailand and document it. You can’t just “say” you have 2 million THB; you have to show the bank transfers.
If you ignore these, you aren’t just looking at a fine, you’re looking at potentially losing your right to do business in the country.
Benefits of Using the Treaty of Amity Between Thailand and USA
Why go through all this trouble? Why not just find a Thai partner?
- Total Control: You don’t have to ask for permission to change your business model or pivot.
- IP Protection: If you have proprietary tech or trade secrets, you don’t want a “silent partner” having legal access to your books.
- Exit Strategy: It’s much easier to sell a company when you own 100% of the shares. Trying to sell a company when you only own 49% is a nightmare for the buyer’s legal team.
Common Misconceptions
At H&P, we hear a lot of “bro-science” about Thai business law. Let’s debunk the top three:
- “It’s too expensive.” Look, is it more expensive than a standard Thai company? Yes. But it’s significantly cheaper than the legal fees you’ll pay if a “nominee” partner decides to sue you for control of your business later.
- “I don’t need a lawyer.” You can try to DIY this, but between the Embassy requirements and the Ministry of Commerce filings, one small mistake can set you back months. In Thailand, relationships and “knowing the system” matter.
- “It’s automatic for Americans.” Nope. If you don’t have that Foreign Business Certificate in your hand, you are operating illegally if you own more than 49%.
When the Treaty May Not Be the Best Option
If you are doing something massive, like building an EV battery factory or a giant data center, you should look at the Board of Investment (BOI).
The BOI can give you 100% ownership and huge tax breaks (sometimes 8+ years of zero corporate income tax). However, the BOI is much harder to get. They want to see high-tech, “New S-Curve” industries. If you’re “just” a service business, the Treaty is your best bet. If you’re a high-tech powerhouse, go for the BOI.
To sum it up, Thailand is one of the most vibrant economies in Southeast Asia. The lifestyle is incredible, the talent pool is growing, and the strategic location is unbeatable.
As a US citizen, you have a massive competitive advantage. You have the legal right to own your future in Thailand without compromise.
But don’t wait. Laws change, and the process takes time. If you’re serious about expanding, you need a team that knows how to navigate the specific quirks of the Thai Ministry of Commerce and the US Embassy.
At Herrera & Partners, we’ve helped countless US entrepreneurs and corporations secure their Treaty status. We don’t just “fill out forms”, we build a legal foundation that protects your investment for the long haul.
Ready to take the leap? Reach out to Herrera & Partners and let’s see if the Treaty of Amity is the right fit for your business goals. Let’s get you to 100% ownership.
