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Business & Investment

Doing Business in Thailand

Your comprehensive guide to company structures, registration, visas, taxes, and the real constraints foreign founders face.

Potential is real. The rules are strict.

Starting a business in Thailand offers immense potential, but the regulatory landscape for foreign investors is strict and complex. The process involves navigating legal structures, foreign ownership laws, visas, corporate taxes, and meticulous paperwork.

This page is orientation for founders and operators — not legal advice. Company, visa, and tax rules change; verify current requirements with licensed Thai counsel and the relevant authorities before you act.

Part 1

Choosing the Right Business Structure

Starting as a foreign national means picking a structure that fits ownership limits, liability, and control — not just the fastest DBD filing.

Partnership

Thai Partnership

Owned and managed by two or more individuals. Depending on the partnership type, managing partners may bear personal liability for obligations.

Non-revenue

Representative Office

Used by foreign corporations for non-revenue-generating tasks like sourcing or market research. It cannot generate local revenue, and all operational funds must come from the headquarters.

Revenue-capable

Branch Office

Allows a foreign company to conduct business in Thailand under its own name and generate revenue, while remaining legally bound to the foreign parent. Additional licenses may be required under the Foreign Business Act.

Coordination

Regional Office

Provides administrative and coordination support to regional branches without generating local income.

Treaty

US-Thai Treaty of Amity

Allows US citizens to hold majority or full ownership in specific business categories in Thailand — a major exception to the usual foreign-ownership caps.

FTA

Thailand–Australia Free Trade Agreement (TAFTA)

Works similarly for eligible Australian nationals in covered sectors, opening majority or full ownership where domestic rules would otherwise limit foreigners.

Part 2

Step-by-Step Company Setup Process

Every step in Thailand’s corporate registration needs precise documentation, approvals, and signatures. Skipping steps usually means rejection — not a quick fix later.

Office workspace for company registration paperwork
  1. Choose Your Business Structure

    Decide between a limited company, branch, or alternative structure while factoring in foreign ownership restrictions.

  2. Reserve Your Company Name

    Submit your proposed name to the Department of Business Development (DBD). It must follow strict naming conventions and include “Limited Company.”

  3. Prepare Legal Documents

    Draft the Memorandum of Association (MOA), shareholder details, and statutory meeting documentation.

  4. Register at the DBD

    File all documents with the DBD to officially establish legal entity status.

  5. Apply for VAT Registration

    Mandatory if projected annual revenue exceeds 1.8 million THB or if you plan to sponsor work permits.

  6. Apply for a Foreign Business License (FBL)

    Required if your business is majority foreign-owned and operates in a restricted sector.

  7. Apply for BOI Promotion Optional

    Eligible industries can secure tax incentives, tax holidays, and — in many cases — 100% foreign ownership.

Part 3

Visas, Work Permits & Financial Requirements

Operating legally requires the right personal status. You cannot run a company on a tourist visa.

Non-Immigrant “B” Visa

Must be secured before entering Thailand to establish or operate a business. A company alone does not grant the right to work or stay.

Work Permit

Mandatory for foreign directors and employees — even company directors are not exempt. Visa and work permit are a pair.

2M THB

Paid-up capital typically required to sponsor one foreign work permit

4 : 1

Thai employees per foreign work permit (standard company compliance ratio)

Ratios and capital thresholds can vary by sector, BOI status, and current regulations — confirm before you hire or apply.

Part 4

Corporate Taxes & Financial Obligations

Registration is only the start. Ongoing tax and payroll compliance is where many foreign-owned companies stumble.

Corporate Income Tax

20%

Standard rate for most companies. Incentives or BOI promotions may change the picture for eligible activities.

Value Added Tax

7%

Applies once revenue reaches the legal threshold — or earlier if you register voluntarily for work-permit sponsorship.

Accounting & Social Security

Ongoing

Maintain certified bookkeeping, file annual financial statements, and remit social security for local employees without gaps.

Part 5

Critical Considerations & Risks for Foreigners

Incorporating is only part of the journey. Foreign nationals face constraints that Thai-owned businesses do not.

Strict Foreign Ownership Limits

Many industries limit foreign ownership to 49% unless protected by a treaty or BOI promotion. Nominee shareholding schemes are illegal and high-risk.

Land Ownership Restrictions

Foreigners generally cannot own land directly. Long-term leases or BOI-approved corporate structures are the common lawful workarounds.

Tax & Withholding Obligations

Strict rules apply to corporate income tax, VAT, and employee tax withholdings. Late or incorrect filings compound quickly.

Part 6

Why Legal Assistance Is Essential

Thailand’s corporate rules do not reward trial and error. Getting the structure right once is cheaper than unwinding a bad one later.

Partner with licensed Thai counsel from day one

Mistakes during registration can delay a launch by months — or leave the company unable to sponsor visas, open bank accounts, or operate in its intended sector.

An experienced legal and accounting team helps you choose a lawful structure, secure eligible incentives (treaty or BOI where they apply), and stay compliant on capital, employment ratios, and filings.

Contact ThailandLover
Professional consultation for business setup in Thailand

Part 7

Frequently Asked Questions

Quick answers founders ask most often — still orientation, not a substitute for counsel.