Business Setup

Thinking of Starting a Business
in Thailand?

Atty. Phatsakorn  |  June 2026  |  4 min read

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Starting a Business in Thailand

Thailand continues to attract entrepreneurs and foreign investors thanks to its strategic location, strong infrastructure, skilled workforce, and direct access to ASEAN markets. But before you incorporate and start trading, there are several legal requirements that can make or break your launch — and they are often more complex for foreign nationals than they appear at first glance.

Proper legal planning at the beginning can prevent costly delays, regulatory penalties, and compliance issues that are far harder — and more expensive — to fix after the fact.

Key Considerations Before You Start

There are six areas every entrepreneur should address before registering a company in Thailand:

Choosing the right business structure — Private Limited Company, Branch Office, Representative Office, and BOI-promoted entities each carry different obligations and benefits
Foreign ownership restrictions under Thai law — the Foreign Business Act B.E. 2542 restricts foreigners from operating certain types of businesses without a Foreign Business License
Company registration requirements — memorandum of association, statutory meeting, director appointments, and registration with the Department of Business Development
Tax registration and compliance obligations — corporate income tax, VAT registration, withholding tax, and annual financial statement filing requirements
Work permits and visa requirements — foreign directors and employees must hold the appropriate non-immigrant visa and work permit before they may legally work in Thailand
Industry-specific licenses and regulatory approvals — certain sectors such as food, finance, construction, and healthcare require additional permits from the relevant authorities

Understanding the Foreign Business Act

One of the most common obstacles for foreign investors is the Foreign Business Act B.E. 2542 (1999). Under this law, business activities are divided into three lists — and activities on Lists 2 and 3 require a Foreign Business License before a majority-foreign-owned company may operate legally.

Common restricted activities include trading, retail, construction, hotel services, accounting, advertising, and legal services. Entering these sectors without the correct license — or structuring around the rules using nominee shareholders — carries serious civil and criminal exposure.

1
Identify Your Business Activity

Determine whether your intended business falls under one of the restricted lists. This single step shapes every subsequent decision — structure, licensing, timeline, and cost.

2
Choose Your Structure

A Thai Private Limited Company requires a minimum of three shareholders and at least 25% paid-up capital. BOI promotion can allow 100% foreign ownership in qualifying industries. Each structure has different tax and operational implications.

3
Register with the Department of Business Development

The Memorandum of Association must be filed, followed by a statutory meeting and formal registration. The process typically takes 5–10 business days once all documents are in order.

4
Register for Tax and VAT

Companies must register for corporate income tax within 60 days of incorporation. VAT registration is required once annual revenue reaches THB 1.8 million. Ongoing monthly and annual filing obligations apply from day one.

5
Obtain Work Permits for Foreign Staff

A work permit requires a Non-Immigrant B visa as a prerequisite. The company must also meet a 4:1 Thai-to-foreign employee ratio and minimum capital requirements. Applications are filed with the Department of Employment.

Why Legal Advice Matters at the Start

Many foreign entrepreneurs make the mistake of treating company registration as a paperwork formality. In Thailand, the structure you choose and the licenses you hold (or fail to hold) have long-term consequences for your tax position, your ability to employ foreign staff, your banking relationships, and your personal liability as a director.

Getting the structure right from day one is significantly cheaper than restructuring an operating company after a compliance problem emerges.

Practical tip: Before registering your company, have a lawyer review your intended business activities against the Foreign Business Act lists. This one step can save months of delays and significant regulatory risk.

Ready to Set Up Your Business in Thailand?

We assist foreign entrepreneurs and investors with company registration, Foreign Business Licenses, BOI applications, work permits, and ongoing corporate compliance — all communicated in English.

contact@phatsakornlaw.com +66 84 599 2692
LINE: @phatsakornlaw

— Atty. Phatsakorn, Phatsakorn Law Office