BOI & Foreign Business Setup Lawyer in Trat — Incorporation, FBL, Treaty of Amity, EEC
Setting up a foreign-controlled business in Thailand routes through one of several systems: a Thai limited company with up to 49% foreign ownership (the default under the Foreign Business Act), a BOI-promoted company that can be 100% foreign-owned for promoted activities, a Foreign Business Licence (FBL) for activities outside BOI scope, the US Treaty of Amity (for US persons), or an EEC-zone structure. Each carries different timelines, costs, tax positions, and ongoing reporting. We help foreign investors pick the right path before anyone signs a lease, and we then run the incorporation and post-incorporation compliance.
Scope of BOI and foreign business setup lawyer work in Trat
- Pre-incorporation structuring — match the right vehicle to your industry, ownership, and tax goals
- Thai limited company incorporation (with or without foreign minority)
- BOI application — eligibility review, business plan, post-promotion compliance
- Foreign Business Licence (FBL) application for non-BOI activities
- US Treaty of Amity registration for qualifying US-controlled entities
- EEC-zone setup for manufacturing and S-curve industries
- Post-setup: tax registration, work permits, employment compliance, accounting setup
Process
- 1Free structuring consultation — review business model, activities, ownership goals
- 2Choose the right vehicle and draft the constitutional documents
- 3Reserve name and incorporate at the Department of Business Development
- 4Apply for BOI promotion, FBL, or Treaty of Amity registration as applicable
- 5Set up tax registration, VAT, social security, work permits, and bank accounts
Documents to prepare
- •Passport(s) of foreign founder(s)
- •ID and household registration of any Thai co-founder(s)
- •Business plan / activity description (for BOI / FBL applications)
- •Proof of registered office address — lease agreement and landlord consent
- •Proof of paid-up capital (minimum thresholds vary by structure)
About our team in Trat
Trat borders Cambodia at the Hat Lek crossing and contains Ko Chang, a tourism centre with a substantial foreign operator and resident population. The caseload covers cross-border trade and debt, fisheries and migrant labour, island lease and landholding arrangements, accommodation licensing, and family cases involving a foreign spouse.
Island businesses often run on holding structures and leases inherited from previous operators and never tested in court; the weak points appear only on transfer or when a dispute starts. We review the structure so the exposure is visible first, run the file from our Khon Kaen head office and Bangkok branch, and travel to appear at the Trat Provincial Court.
Courts we appear at in Trat
- •Trat Provincial Court
- •Trat Juvenile and Family Court
- •Region 2 Labor Court (Chonburi)
Mueang Trat, Ko Chang, Khlong Yai, Khao Saming, Laem Ngop, and the areas continuing into Chanthaburi
Contact our Trat attorneys
We serve clients across Thailand. Initial consultation.
Further reading — related guide
Everything foreign investors need to know about doing business in Thailand — entity types, BOI, FBA, work permits, taxes, and pitfalls. 4,000+ words from a 39-year Thai law firm.
22 min readFrequently asked questions — BOI and foreign business setup lawyer in Trat
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