Establishing a company under the US–Thailand Treaty of Amity involves more than standard company incorporation. It is a special legal process that requires precise structuring, strict compliance, and coordination with multiple authorities to ensure that Treaty protection is valid, enforceable, and sustainable in the long term.
Below is an overview of the typical process:
Step 1: Company Incorporation
The process begins with the incorporation of a Thai limited company structured to meet Treaty requirements. This includes ensuring that U.S. nationals or U.S. entities hold the requisite shareholding, that the board composition complies with nationality requirements, and that the company’s objectives align with permitted business activities under the Treaty.
Proper structuring at this stage is critical, as errors in shareholding or control can jeopardize Treaty eligibility from the outset.
Step 2: Certification by the U.S. Embassy
Once the company is incorporated, U.S. shareholders must submit documentary evidence of U.S. nationality to the U.S. Embassy in Bangkok. Upon review, the Embassy issues an official Treaty of Amity certification letter, confirming that the company qualifies as an American entity under the Treaty.
This certification is a key document and forms the legal basis for Treaty protection in Thailand.
Step 3: Registration with the Ministry of Commerce
The Embassy-issued certification is then submitted to Thailand’s Department of Business Development (DBD) under the Ministry of Commerce. The DBD registers the company as a Treaty-protected entity and issues a Foreign Business Certificate (FBC), which formally recognizes the company’s right to operate under Treaty privileges.
Without this step, Treaty rights cannot be legally enforced in Thailand.
Step 4: Licensing and Ongoing Regulatory Compliance
Depending on the nature of the business, the company may be required to obtain additional sector-specific licenses or permits (for example, in regulated industries such as food, technology, or professional services).
Importantly, compliance does not end at registration. Treaty companies must continue to meet ownership, control, and operational requirements throughout their lifecycle to maintain Treaty protection.
Common Pitfalls and Risk Areas
In practice, language barriers, incomplete documentation, or procedural misunderstandings can cause significant delays—or in some cases, result in the denial or loss of Treaty protection. Changes in shareholding, capital increases, or director appointments made without proper legal review can also inadvertently invalidate Treaty status.
Herrera & Partners ensures that shareholding structures, documentation, and compliance measures are correctly implemented from day one, and that Treaty protection is preserved as the business evolves. With experienced bilingual counsel and hands-on regulatory coordination, we help U.S. investors navigate the process efficiently, securely, and with confidence.
How H&P Can Assist
At Herrera & Partners (H&P), we take pride in providing comprehensive legal advisory services to foreign investors. If you are considering establishing a business in Thailand but are unsure which legal strategy best suits your objectives, our bilingual team ensures clear communication and a smooth, efficient process from start to finish. We offer practical, legally sound guidance tailored to your specific business needs.
We provide end-to-end support, combining in-depth legal expertise with a hands-on, solution-oriented approach. Our goal is to ensure that our clients maximize the benefits of their legal rights while maintaining full compliance with all applicable laws and regulations.
If you would like to learn more about doing business in Thailand or explore how our firm can assist you, please contact us at the details below:
📧 Email: info@herrera-partners.com
🏢 Office in Bangkok: Herrera and Partners Co., Ltd.
142 Two Pacific Place, 17th Floor, Sukhumvit Road, Klongtoey, Bangkok
📞 Telephone: +66 2 254 5600
