Company Registration in Thailand

Registering a company in Thailand is routine on paper but requires thoughtful planning in practice. Choice of legal vehicle, registered capital, foreign-ownership constraints, required documents and post-registration compliance all shape how fast you can trade, hire foreigners and open bank accounts. This guide gives a practical, step-by-step playbook, highlights where outsiders commonly trip up, and lists a post-incorporation checklist you can act on immediately.

Which vehicle to choose (and why a private limited company is the default)

For trading, services or investment activities most investors use a private company limited. It provides limited liability, is bankable, and lets you implement detailed shareholder governance through articles and shareholder agreements. Alternative routes (partnerships, branch/representative offices) have narrower uses and stricter regulatory constraints. The Department of Business Development (DBD) is the registry to which you submit the Memorandum of Association and incorporation filings. 

High-level steps — the standard incorporation workflow

1. Name reservation — reserve up to three company names with the DBD.

2. File the Memorandum of Association (MOA) — the MOA states the company name, registered office, business objectives, number of shares and registered capital, and the promoters’ details. 

3. Statutory meeting — promoters hold the statutory meeting to adopt the Articles of Association, appoint directors, and resolve initial matters (auditor, accounting period).

4. Register the company (juristic person registration) — file establishment documents at the DBD within the statutory period after the statutory meeting; on approval the DBD issues the company registration certificate. 

5. Post-registration formalities — obtain a tax ID, register for VAT where required, open a corporate bank account, register for social security when you hire staff, and (if applicable) apply for BOI privileges or other licenses.

Practical decisions that determine speed and cost

Registered capital — plan for more than the statute

There is no fixed statutory “minimum” capital for private companies, but registered capital matters in practice. Banks, landlords and immigration/labor officials use capital as a signal of substance. If you intend to hire foreign staff, Thai practice commonly requires THB 2 million of registered capital per foreign work permit as a practical baseline (exceptions exist, and BOI-promoted companies follow different rules). Budget capital not only to satisfy administration but also to support bank onboarding and work permits. 

Number of promoters & shares

You typically begin with at least three promoters who sign the MOA and subscribe for shares at the statutory meeting. These formalities are straightforward but must be correctly documented or the DBD will return the filing for correction. 

Business activities & the Foreign Business Act (FBA)

Before finalizing the MOA’s activity list, screen your planned activities against the Foreign Business Act (FBA). Some services and trades fall into List-3 (restricted) or List-2 (cabinet approval) and require a Foreign Business License (FBL) or BOI promotion for majority foreign ownership. Classifying activities conservatively and early avoids illegal operations and expensive restructuring later. 

BOI vs ordinary company — when to pursue incentives

The Board of Investment (BOI) can grant promotion that allows majority foreign ownership, tax holidays, work-permit facilitation and other benefits for qualifying projects. If your business is capital-intensive, export-oriented or technology-driven, BOI promotion can be decisive. Apply early if you need foreign majority rights or immigration/work-permit simplifications — the BOI application is separate and can take time for documentation and review. 

Tax and VAT practicalities

• Tax ID & corporate income tax: register with the Revenue Department after incorporation and file annual tax returns (corporate rate applies unless incentives differ).

• VAT registration threshold: voluntary registration is allowed, but mandatory VAT registration is triggered when annual taxable turnover exceeds THB 1.8 million — you must register within 30 days of breaching that threshold. Factor VAT registration timing into pricing and cash-flow modelling. 

Bank accounts, KYC and evidence of capital

Thai banks have strict KYC and source-of-fund requirements. They often require:

• DBD company registration certificate and MOA;

• company seal and certified board minutes appointing signatories;

• proof of paid-up capital (bank receipts showing funds deposited into a corporate account); and

• directors’ and shareholders’ IDs and proof of address.

Delays often occur because banks ask for documentary proof that capital came from legitimate sources — prepare bank transfer records and identity documents in advance.

Work permits & immigration implications

If you plan to employ foreigners, coordinate company registration with HR and immigration planning. The work-permit process involves labor approval and relies on corporate documentation (DBD records, tax/VAT receipts, payroll and the company’s Thai staff levels). As noted above, registration capital influences approval odds — plan capital and Thai-staff hires before applying. 

Common pitfalls (and how to avoid them)

• Wrong activity classification: an MOA that later turns out to include an FBA-restricted activity can force restructuring or an FBL/BOI application. Classify activities conservatively and consult counsel early. 

• Under-capitalizing for operations and for work permits: set realistic registered capital and be prepared to show cash traces to banks. 

• Using nominee shareholders: nominee arrangements to evade FBA limits are illegal and highly risky — use lawful routes (BOI, Thai partners, permitted structures) instead. 

• Poorly documented statutory meeting minutes or MOA: the DBD is strict about form — use a local lawyer or experienced corporate agent to prepare filings to avoid rework. 

Post-incorporation compliance (first 12 months)

1. Tax & VAT registration: obtain tax ID and register for VAT if required. 

2. Social Security registration: register employer and employees within 15 days of hiring.

3. Accounting & audit: choose an accounting period, maintain books under Thai GAAP, and (if above thresholds) appoint an auditor and file audited financial statements annually.

4. Licenses & permits: complete any sector licenses (e.g., food, finance, health) and register for business licenses where required.

5. Corporate governance: hold the first shareholders’ meeting within the statutory timeframes and maintain minute books and statutory registers for inspections.

Fast practical checklist (ready to use)

• Reserve company name (DBD.

• Draft MOA with carefully chosen activity codes (consult FBA). 

• Prepare promoter identities, passports/IDs and share subscription forms. 

• Hold statutory meeting, adopt Articles, appoint directors & auditor. 

• File incorporation at DBD and obtain registration certificate. 

• Register tax ID; assess VAT registration timing (THB 1.8M threshold). 

• Open corporate bank account with proof of paid-up capital.

• If hiring foreigners, align capital and HR documents for work-permit filings. 

Final practical advice

Use an experienced local adviser to draft the MOA and handle DBD filings — that prevents the common “form error” delays. If your project requires foreign majority ownership or work-permit facilitation, evaluate BOI promotion early. Keep careful bank remittance trails for capital and foreign funds — these are your best defense against KYC delays and future regulatory questions. 

Visit our website for more information: https://www.siam-legal.com/Business-in-Thailand/thailand-company.php