How Many Forms Do You Actually Need to Fill Out to Register a Company in Thailand? A Practical Checklist for Business Registration

When registering a company in Thailand, many people’s first questions are: “How many forms do I need to fill out?” “How many government agencies must I visit?” and “Which documents are absolutely mandatory?” In fact, there is no universal answer-form quantity depends on the company type, shareholder composition, business scope, and whether the industry falls under foreign investment restrictions. However, one thing is clear: within the core registration process, only three standardized forms require the applicant’s personal completion and signature; all other documents are legal instruments or declarations-not counted as “forms” in the conventional sense.

The Three Mandatory Hand-Filled Forms

1. Memorandum of Association: This document must specify the company name, registered capital, business scope, names and shareholding percentages of shareholders, and information about directors and the authorized representative. It must be signed in person by all promoters and certified at a notary public office.

2. Company Registration Application Form (Form Sor Bor Chor 1): A standardized form issued by Thailand’s Department of Business Development (DBD) under the Ministry of Commerce. It includes basic company information, registered address, and a summary of the first board resolution. The form must be completed in Thai and must not contain any corrections or alterations.

3. Foreign Shareholding Declaration Form (Form Sor Bor Chor 20): Required only for companies with foreign individual or corporate shareholders. Applicants must accurately disclose each foreign shareholder’s nationality, passport number, shareholding percentage, and source of investment funds. If the business falls under sectors restricted by the Foreign Business Act, applicants must also submit supporting approval documents-such as a Board of Investment (BOI) promotion certificate or a special permit from the Office of the Permanent Secretary for Foreign Trade.

Other Essential Documents That Are Not “Forms”

Company registration cannot be completed by forms alone. While these documents do not fall under the category of “forms,” they are indispensable:

1. Company Name Reservation Acknowledgement: Submit three preferred company names online via the DBD website. The system automatically checks for duplicates and issues a unique reservation reference number, valid for 30 days.

2. Proof of Registered Address: For leased premises, provide a signed lease agreement along with a copy of the landlord’s Thai ID card (both front and back) and the signature page. For owned property, submit the title deed plus a signed letter of consent from the owner. The address must be a physical office location capable of receiving official correspondence from government authorities.

3. Identity Documents for Shareholders and Directors: Thai nationals must provide scanned copies of both sides of their national ID cards. Foreign individuals must submit a clear copy of their valid passport’s data page, visa page, and proof of residential address (e.g., utility bill or bank statement). All non-Thai documents must be translated into Thai and certified by a bilingual notary public.

Common Misconceptions

Many applicants mistakenly believe that “submitting the forms equals successful registration.” In reality, the DBD’s review focuses heavily on logical consistency across documents-for example, whether the registered capital stated in the Memorandum of Association matches the amount shown in the bank’s capital verification letter; whether the directors’ signatures appear consistent across all submitted documents; and whether the lease term indicated in the address proof covers at least six months following registration. Any inconsistency may trigger a request for correction, causing an average delay of 5-8 working days.

Statutory Post-Registration Requirements (Cannot Be Skipped)

Within 15 days of receiving company registration approval, the following actions must be completed:

1. Open a Corporate Bank Account: Submit the Certificate of Incorporation, a certified copy of the Memorandum of Association, directors’ identification documents, and proof of initial capital contribution.

2. Apply for a Tax Identification Number (PP.20): File the application at the local Revenue Department office. If annual turnover exceeds THB 1.8 million, applicants must also register for a Value-Added Tax (VAT) identification number.

3. Engrave the Company Seal and Financial Seal: Seals must be officially registered with the Royal Thai Police. The police-issued registration receipt must be retained for future use in banking and tax-related procedures.

The above outlines practical, step-by-step considerations regarding forms and essential documentation for company registration in Thailand. Should you have specific questions-or wish to explore further details-we recommend reviewing your shareholder structure and business objectives in advance, preparing your document checklist accordingly, and allowing a minimum of 12 working days to complete the entire process.