Setting Up a Thai Limited Company (Co., Ltd.): A Comprehensive Guide

Bhaavik burman

Dec 6, 2025

7 min read

Introduction

A Thai Limited Company (Company Limited or Co., Ltd.) is the most common business structure in Thailand for both local entrepreneurs and foreign investors. It is a private company form similar to a limited liability company (LLC) in other jurisdictions, offering a separate legal entity and limited liability for its owners. In a Thai Co., Ltd., the company’s capital is divided into shares and shareholder liability is limited to the unpaid amount on those shares. This structure is governed primarily by the Thai Civil and Commercial Code (Sections 1096–1273) and related laws, along with regulations from the Department of Business Development (DBD) under the Ministry of Commerce, which oversees company registration. Foreign investment is regulated by the Foreign Business Act B.E. 2542 (1999), which generally caps foreign shareholding at 49% in most sectors (unless special exemptions apply). In this guide, we focus solely on the Thai Private Limited Company (Co., Ltd.) structure – its benefits, legal requirements, registration steps, taxes, and compliance obligations – providing practical information and legal context for anyone considering establishing a Thai limited company.

Advantages of a Thai Limited Company

A Thai limited company offers several key advantages that make it an attractive choice for doing business in Thailand:

• Limited Liability – Shareholders have their liability capped at the amount unpaid on their shares. In practice, this means personal assets are protected; investors risk only the capital they put into the company.

• Separate Legal Entity – A Co., Ltd. is a juristic person separate from its shareholders. It can own assets, enter contracts, and conduct business in its own name without implicating shareholders in those obligations.

• Continuity and Transferability – The company’s existence is not tied to any one owner. Shares can be transferred (subject to any Articles of Association restrictions), allowing continuity even if shareholders change or pass away.

• Attracting Investment – The share structure makes it easier to add investors or raise capital compared to partnerships. New shareholders can be issued shares in exchange for investment.

• Thai Market Access with Foreign Participation – A limited company allows foreign investors to participate in Thailand’s market, albeit with restrictions. Foreigners can generally hold up to 49% of shares in most sectors, and even up to 100% in certain cases (e.g. BOI-promoted industries or under specific treaties).

• Work Permit Eligibility – A registered company can sponsor work permits and long-term visas for foreign employees or executives, provided certain capital and employment ratios are met.

• Reputation and Commercial Credibility – Operating as a Co., Ltd. shows commitment to a formal business presence and is often preferred by agencies, banks, and corporate clients.

In summary, the Thai limited company offers liability protection, flexibility, and market access that is well-suited for businesses of all sizes – from startups to multinational subsidiaries.

Legal Requirements for a Thai Limited Company

Setting up a Thai Co., Ltd. involves meeting several legal requirements as prescribed by the Civil and Commercial Code (CCC) and related regulations.

• Shareholders – You need a minimum of 2 shareholders (promoters) to form a private limited company. Shareholders can be individuals or juristic entities of any nationality, with promoters being natural persons at least 20 years old. Thai law requires at least two shareholders to be maintained at all times.

• Thai vs. Foreign Ownership – A limited company can be 100% Thai-owned or up to 49% foreign-owned without special permits. Foreign-majority companies (over 49% foreign ownership) may require a Foreign Business License depending on the business activity. Using nominee Thai shareholders to evade these rules is illegal and subject to heavy penalties.

• Directors – At least one director (of any nationality) must be appointed to manage the company. There is no legal requirement for a Thai director, but foreign directors working in Thailand generally need a valid visa and work permit. Directors are elected by shareholders and have authority to bind the company and fiduciary duties to act in its best interest.

• Registered Capital – There is no strict statutory minimum for Thai-majority companies, but capital should be adequate for the intended business. For work permits, at least THB 2 million in registered capital is usually required per foreign work permit (THB 1 million if married to a Thai). At least 25% of the par value of each share must be paid up initially.

• Company Name – The company name must be unique, follow DBD guidelines, and end with “Limited”. Name reservation is done via the DBD before registration.

• Registered Address – Every company must have a registered office address in Thailand (no P.O. boxes). Evidence such as the house registration and owner’s consent are required.

• Memorandum of Association (MOA) – The MOA states the company name, province, objectives, registered capital, share structure, and promoter details. At least two promoters must sign with witnesses.

• Articles of Association – These set out the internal governance rules (meetings, director powers, voting, dividend policy, etc.). If none are filed, default CCC provisions apply.

• Initial Shareholders and Shares – Each promoter must subscribe to at least one share. Shares are registered (no bearer shares), with a par value of at least THB 5 per share.

• Statutory Records – The company must maintain registers, minutes, incorporation documents, and financial statements at its registered office (or via a service provider).

All of these elements are combined during the registration process with the DBD.

Step-by-Step Registration Process

The registration of a Thai limited company typically follows these main steps:

1. Reserve a Company Name – Submit 2–3 name options to the DBD for approval via the online system or in person. Once approved, the name is reserved for a limited period (commonly 30 days).

2. File the Memorandum of Association (MOA) – Promoters prepare and sign the MOA, which is then filed with the DBD. All shares must be subscribed at this stage, although only a portion (minimum 25%) needs to be paid up initially.

3. Hold the Statutory Meeting – Subscribers meet (or sign resolutions) to adopt Articles of Association, confirm share allocations, appoint the Board of Directors and auditor, and approve

incorporation expenses. For small companies, this is often done quickly and documented in written minutes.

4. Register the Company (Incorporation) – An application is filed with the DBD attaching the name reservation, MOA, statutory meeting minutes, Articles, shareholder list, director details, auditor consent, and address evidence. Upon approval, the company receives its Company Affidavit, registration number, and is legally incorporated.

5. Obtain Tax ID and Register for VAT – The company is registered with the Revenue Department and obtains a Tax ID. VAT registration is required if annual revenue exceeds THB 1.8 million or where the nature of business requires it.

6. Post-Incorporation Tasks – Register as an employer with Social Security when hiring staff, open a corporate bank account, and obtain any sector-specific licenses needed (e.g. food licenses, educational licenses, or Foreign Business License for foreign-majority companies).

With modern e-registration systems, a straightforward company can often be incorporated within 1–2 weeks, though additional licensing can extend the timeline.

Taxation and Ongoing Compliance

Once the company is operational, it must comply with Thai tax and corporate regulations:

• Corporate Income Tax (CIT) – Standard rate is 20% of net profits, with reduced progressive rates for small companies under certain capital and revenue thresholds. Annual CIT (PND 50) is filed within 150 days after fiscal year-end, and a half-year estimate (PND 51) is due mid-year.

• Value Added Tax (VAT) – 7% on taxable supplies. Companies with annual revenue above THB 1.8 million, or in certain activities, must register for VAT and file monthly returns (PP30), even if no sales occur in a given month.

• Withholding Tax – Certain payments (e.g. service fees, rent, dividends) require withholding tax to be deducted and paid to the Revenue Department with monthly returns (PND 3, PND 53).

• Social Security & Payroll – Employers and employees contribute to Social Security, with monthly filings. Personal income tax withholding on salaries (PND 1) must also be reported monthly, with annual summaries.

• Accounting & Auditing – The company must maintain proper accounting records and prepare annual financial statements audited by a licensed Thai CPA. The audited accounts must be approved by shareholders at an AGM within 4 months of fiscal year-end and filed with both the DBD and Revenue Department thereafter.

• Corporate Changes – Changes in directors, address, capital, objectives, or shareholding must be registered with the DBD within statutory timelines.

Good compliance, supported by a competent accountant, is essential to keep the company in good standing and to avoid penalties or forced dissolution.

Foreign Ownership and Work Permits

For foreign investors, two areas are critical: ownership restrictions and work permits.

Foreign Ownership – Under the Foreign Business Act (FBA), a company is considered foreign if more than 49% of its shares or capital are foreign-owned. Foreign-majority companies are restricted from certain activities listed in the FBA unless they obtain a Foreign Business License (FBL) or qualify under special regimes such as BOI promotion or specific treaties. Using Thai “nominee” shareholders

to hide foreign control is illegal and can lead to severe penalties and closure.

Work Permits – To employ foreign nationals or have foreign directors working in Thailand, the company generally needs at least THB 2 million registered capital per work permit (THB 1 million if the foreigner is married to a Thai) and must employ a minimum number of Thai staff (commonly four Thai employees per foreign work permit in standard cases). BOI companies may enjoy more flexible rules. Work permit applications require a Non-Immigrant B Visa, company documents, and evidence of real business activity.

Planning foreign ownership and staffing from the outset helps avoid structural changes or compliance issues later.

Tips and Common Mistakes

Common pitfalls and tips when setting up and running a Thai limited company include:

• Avoid nominee structures – Do not use Thai shareholders as mere fronts for foreign control. • Choose accurate business objectives – Include only realistic activities and understand which ones may trigger foreign business or sector-specific licensing. • Don’t under-capitalize – Register capital that realistically supports the business, especially if you plan to obtain work permits or build a credible profile with banks and counterparties. • Maintain timely compliance – Track monthly tax, VAT, Social Security, and annual audit deadlines. • Get documents right – Ensure signatures, powers of attorney, and legalizations are in proper form, especially when shareholders or directors are overseas. • Respect labour law – Use compliant employment contracts and adhere to labour regulations on wages, working hours, leave, and termination. • Seek local advice – Thai corporate rules and practices can differ from those in other jurisdictions. Professional advice helps avoid costly mistakes.

Conclusion

A Thai limited company (Co., Ltd.) remains the most commonly used structure for doing business in Thailand. By understanding its advantages, legal requirements, registration steps, tax obligations, foreign ownership rules, and typical pitfalls, entrepreneurs can set up and operate their company with greater confidence. While many steps can be handled directly, engaging a lawyer or accountant familiar with Thai regulations often saves time and helps ensure the company is fully compliant from day one.