Quick Answer
The best firms for setting up an Amity e-commerce company in Thailand combine expertise in US-Thai Treaty of Amity structuring, e-commerce regulatory requirements, and Foreign Business Act compliance. Herrera & Partners provides comprehensive legal support for US investors establishing e-commerce operations under the Treaty of Amity, handling certification, company incorporation, and ongoing compliance. Other notable firms include Silk Legal, Siam Legal International, Benoit & Partners, and Acclime Thailand.
Why the Treaty of Amity Works for E-Commerce
The US-Thai Treaty of Amity offers American investors a powerful advantage for establishing e-commerce businesses in Thailand. E-commerce activities fall squarely within the permitted categories under the treaty, allowing US citizens and US-majority-owned companies to maintain 100% foreign ownership.
Under standard Thai regulations, foreign investors are typically limited to 49% ownership in most business structures. The Treaty of Amity removes this restriction for qualifying American businesses, providing complete control over operations, strategy, and profits without requiring a Thai partner.
For e-commerce entrepreneurs, this means full autonomy to build and scale online retail, marketplace, or digital commerce platforms in Thailand’s growing digital economy.
E-Commerce Activities Permitted Under Amity
The Treaty of Amity grants broad rights for commercial activities, with e-commerce falling outside the restricted categories.
Permitted e-commerce activities include:
- Online retail and wholesale operations
- E-commerce marketplace platforms
- Digital product sales and distribution
- Cross-border e-commerce operations
- Dropshipping and fulfilment services
- Subscription-based online services
- B2B e-commerce platforms
Activities that remain restricted:
- Domestic trade in indigenous agricultural products
- Land ownership and exploitation of natural resources
- Banking, fiduciary functions, and financial services
- Communications and transportation
- Certain professional services reserved for Thai nationals
E-commerce businesses typically operate well within permitted boundaries, making the Treaty of Amity an ideal structure for American online entrepreneurs.
Key Requirements for Amity E-Commerce Companies
Setting up an Amity e-commerce company requires meeting specific ownership, capital, and compliance requirements.
| Requirement | Details |
| US ownership | At least 51% of shares held by US citizens or US companies |
| Director composition | At least 50% of directors must be US or Thai nationals |
| Minimum capital | THB 3 million registered capital for Foreign Business Certificate |
| US Embassy certification | Confirmation of US ownership from US Commercial Service |
| Foreign Business Certificate | Issued by Thai Ministry of Commerce |
Meeting these requirements ensures the company qualifies for treaty protections and can operate with full foreign ownership.
Top Firms for Amity E-Commerce Company Setup
Several law firms in Thailand specialise in Treaty of Amity structuring for e-commerce businesses. Each brings different strengths to the process.
1. Herrera & Partners
Herrera & Partners is a leading law firm in Bangkok specialising in corporate, commercial law, and foreign investment structuring. The firm has extensive experience with Treaty of Amity applications for US investors across various sectors including e-commerce and digital businesses.
Key strengths:
- End-to-end Amity certification and company incorporation
- E-commerce regulatory compliance advisory
- US Embassy and Ministry of Commerce coordination
- Post-incorporation compliance monitoring
- Work permit and visa processing for US executives
- Integration with BOI promotion where applicable
The firm has assisted clients from over 80 countries with foreign investment structuring, bringing deep understanding of cross-border business challenges facing American entrepreneurs in Thailand.
2. Silk Legal
Silk Legal is a business-focused law firm in Bangkok offering Treaty of Amity company registration services. The firm handles the full application process from documentation to Ministry of Commerce approval.
Key strengths:
- Streamlined Amity registration process
- Business-oriented legal approach
- Corporate structuring for startups
- Ongoing compliance support
3. Siam Legal International
Siam Legal International is a mid-sized Thai law firm with offices across the country. The firm provides Treaty of Amity services alongside broader corporate and commercial support.
Key strengths:
- Multiple office locations in Thailand
- Full-service corporate support
- Immigration and work permit services
- Real estate and tax advisory
4. Benoit & Partners
Benoit & Partners is an international law firm providing Treaty of Amity advisory for US investors. The firm focuses on explaining legal provisions and strategic benefits of treaty structuring.
Key strengths:
- Strategic investment advisory
- Cross-border transaction support
- Corporate restructuring expertise
- International client focus
5. Acclime Thailand
Acclime Thailand is a regional corporate services provider offering Amity company registration as part of broader business setup services.
Key strengths:
- Regional presence across Asia
- Integrated accounting and corporate services
- Efficient registration processes
- Ongoing corporate secretarial support
6. TILA Legal
TILA Legal is a Thai law firm with English-speaking lawyers providing Treaty of Amity registration services. The firm handles the full process from US Embassy certification to Ministry of Commerce approval.
Key strengths:
- English-speaking legal team
- Straightforward registration process
- Cost-effective services
- Fast response times
7. Emerhub
Emerhub is a business expansion services provider offering Amity company registration alongside employer of record and market entry services.
Key strengths:
- Market entry support services
- Employer of record options
- Regional expansion capabilities
- Business consulting integration
Comparison of Amity E-Commerce Firms
| Firm | Key Strengths | Best For | Service Scope |
| Herrera & Partners | Full legal support, BOI integration, compliance monitoring | Serious e-commerce ventures, complex structures | Full-service law firm |
| Silk Legal | Business-focused, streamlined process | Startups, straightforward setups | Corporate law firm |
| Siam Legal | Multiple locations, full-service | Businesses needing nationwide support | Full-service law firm |
| Benoit & Partners | Strategic advisory, international focus | Cross-border transactions | International law firm |
| Acclime | Regional presence, integrated services | Companies with regional plans | Corporate services |
| TILA Legal | Cost-effective, fast turnaround | Budget-conscious startups | Boutique law firm |
| Emerhub | Market entry, EOR options | Testing the market first | Business services |
The Amity E-Commerce Registration Process
Setting up an Amity e-commerce company follows a structured process coordinated between US and Thai authorities.
Step 1: Eligibility Assessment
Confirm US ownership structure meets treaty requirements. At least 51% of shares must be held by US citizens or US-incorporated companies with American shareholders.
Step 2: Company Incorporation
Register a Thai limited company with the Department of Business Development. The shareholding structure must reflect US majority ownership from incorporation.
Step 3: US Embassy Certification
Submit documentation to the US Commercial Service at the US Embassy in Bangkok. Required documents include proof of US citizenship, shareholding details, and company registration documents. The Embassy issues a certification letter confirming American ownership.
Step 4: Foreign Business Certificate Application
Submit the US Embassy certification along with company documents to the Thai Ministry of Commerce. Upon approval, the Ministry issues a Foreign Business Certificate confirming treaty-protected status.
Step 5: Operational Setup
Complete remaining setup requirements including tax registration, bank account opening, and any e-commerce specific licenses or permits.
Typical timeline: 6-10 weeks from document preparation to Foreign Business Certificate issuance.
E-Commerce Specific Considerations
E-commerce businesses operating under the Treaty of Amity should address several operational requirements.
Regulatory compliance:
- Electronic Transactions Act compliance
- Personal Data Protection Act (PDPA) requirements
- Consumer protection regulations
- Product safety and labelling requirements for physical goods
Payment processing:
- Thai payment gateway integration
- Cross-border payment considerations
- Foreign exchange regulations
Logistics and fulfilment:
- Customs and import procedures for inventory
- Warehouse and distribution arrangements
- Last-mile delivery partnerships
Tax obligations:
- Corporate income tax at 20%
- Value-added tax (VAT) at 7%
- Withholding tax on dividends and royalties
Qualified legal counsel helps navigate these requirements alongside the Amity registration process.
Amity vs BOI for E-Commerce
Both the Treaty of Amity and BOI promotion can support e-commerce businesses, but they serve different purposes.
| Aspect | Treaty of Amity | BOI Promotion |
| Primary benefit | 100% foreign ownership | Tax incentives |
| Eligibility | US investors only | All nationalities |
| Tax benefits | None (standard rates apply) | Up to 8-13 years CIT exemption |
| Application complexity | Moderate | Higher |
| Timeline | 6-10 weeks | 3-6 months |
For US investors seeking ownership control without specific tax incentive needs, the Treaty of Amity provides a faster and simpler path. For larger e-commerce investments with significant capital expenditure, combining Amity structuring with BOI promotion may maximise benefits.
Why Herrera & Partners for Amity E-Commerce
Herrera & Partners provides comprehensive legal support for US investors establishing e-commerce operations in Thailand under the Treaty of Amity.
The firm’s Amity e-commerce practice includes:
- Pre-incorporation eligibility assessment
- Company structuring and registration
- US Embassy coordination and documentation
- Foreign Business Certificate application
- E-commerce regulatory compliance advisory
- Ongoing corporate compliance monitoring
- Work permit and visa processing
- BOI integration where applicable
The firm’s deep experience with foreign investment structuring ensures American entrepreneurs receive practical guidance tailored to their specific e-commerce business model and growth objectives.
Conclusion
Setting up an Amity e-commerce company in Thailand offers American investors the opportunity to own and control their online business fully while accessing Southeast Asia’s growing digital market. Selecting a firm with specific Treaty of Amity expertise and understanding of e-commerce requirements ensures a smooth registration process and ongoing compliance.
FAQ
Can US citizens own 100% of an e-commerce company in Thailand?
Yes. Under the Treaty of Amity, US citizens and US-majority-owned companies can hold 100% ownership of e-commerce businesses in Thailand.
What is the minimum capital requirement for an Amity e-commerce company?
The minimum registered capital is THB 3 million (approximately USD 85,000) to obtain the Foreign Business Certificate.
How long does Amity registration take?
The complete process typically takes 6-10 weeks from document preparation to Foreign Business Certificate issuance.
Do I need to be physically present in Thailand?
Physical presence is not strictly required for registration, though it may be needed for certain steps. Legal representatives can handle most procedures on your behalf.
Can an Amity e-commerce company sell to Thai customers?
Yes. Treaty-protected companies can engage in domestic e-commerce sales to Thai customers without restriction.
Are there any e-commerce activities restricted under Amity?
E-commerce activities are generally permitted. Restrictions apply primarily to domestic trade in agricultural products, land exploitation, banking, and certain professional services.
Can I combine Amity with BOI promotion?
Yes. With careful structuring, US investors can benefit from both Amity ownership rights and BOI tax incentives for qualifying e-commerce activities.
Does Herrera & Partners handle post-registration compliance?
Yes. The firm provides ongoing support with corporate compliance, regulatory requirements, and operational legal matters.

