Thailand company registration number format uses a 13-digit numeric identifier called the Juristic Person ID. Thailand’s Department of Business Development (DBD) issues this number to registered Thai juristic persons. It contains numbers only, without letters or hyphens. In addition, it serves as the company’s official Corporate Tax Identification Number in Thailand.
For a quick check, look for a 13-digit sequence. Numbers beginning with 010 generally indicate a juristic person registered with the DBD. However, the format alone cannot prove that a company is active or legitimate. Therefore, registry verification remains essential.
- Total length: 13 numeric digits
- Letters and hyphens: not used
- Issuing authority: Department of Business Development
- Dual purpose: Juristic Person ID and Corporate Tax Identification Number
What is the Thailand company registration number format?
The Thailand company registration number format consists of exactly 13 numeric digits. Thailand officially refers to this identifier as the Juristic Person ID. Because the DBD assigns it when a juristic person is registered, the number serves as a core reference for corporate and tax-related administration.
A valid-looking number should therefore contain digits only. For example, 010xxxxxxxxx has 13 positions when the remaining characters are replaced with digits. Spaces, alphabetic characters and hyphens do not form part of the standard identifier format.
What does the 010 prefix indicate?
The first two or three digits generally identify the issuing agency. In practice, a number beginning with 010 generally identifies a juristic person registered with the DBD. Although the prefix helps with recognition, it should not be treated as a complete verification result.
For instance, a document showing 0101234567890 follows the 13-digit structure and starts with 010. That observation confirms only that the sequence resembles the expected pattern. It does not independently confirm the company name, registration status or current business details.
How are the 13 digits organized?
The first 2 to 3 digits generally identify the issuing agency. Meanwhile, the remaining digits encode information such as the registration province, legal-entity type and sequential registration number. However, the exact sequence should be interpreted through official registry records rather than guessed from the digits alone.
Thailand’s company records can involve different legal forms. For example, a private limited company and a public limited company may have different encoded attributes within the identifier. The number can also relate to the province connected with registration and the order in which the registration was recorded.
| Part of number | What it generally represents | Practical caution |
|---|---|---|
| First 2 to 3 digits | Issuing agency | Numbers beginning with 010 generally point to DBD registration |
| Remaining digits | Province, legal-entity type and sequential registration details | The exact meaning should be checked against DBD records |
| Complete 13-digit sequence | Juristic Person ID | The same number also serves as the Corporate Tax Identification Number |
As a result, the structure makes the identifier more than a random reference. Still, individual digits should not be decoded as a standalone legal conclusion. Instead, official databases remain the reliable place to connect the number with a company’s registered name and status.
Why does the Juristic Person ID matter?
The Juristic Person ID matters because it connects a Thai company’s legal identity with its corporate tax identity. The same 13-digit number may appear on registration documents, tax records, invoices, contracts and official correspondence. Consequently, using the exact sequence helps reduce identity and data-entry errors.
This dual use is especially relevant during cross-border transactions. A foreign supplier, investor or professional adviser may see the number described as a company registration number in one document and as a Corporate Tax Identification Number in another. In Thailand, both references can point to the same 13-digit Juristic Person ID.
Before relying on the number, compare it with the registered company name and other available details. For registry-related verification, the Department of Business Development is the appropriate starting point.
Company number versus tax number
In Thailand, the company registration number and the Corporate Tax Identification Number are not necessarily two separate numbers. Instead, the exact 13-digit Juristic Person ID issued by the DBD also serves as the company’s official Corporate Tax Identification Number.
- Juristic Person ID: identifies the registered juristic person.
- Corporate Tax Identification Number: identifies the same company for corporate tax administration.
- Number used: the identical 13-digit sequence.
This distinction is useful when reviewing foreign-investment paperwork. For that reason, a document that labels the number as a tax ID is not automatically inconsistent with a DBD registration document. The company name and number should match exactly across the records.
How can you verify a Thai company number?
To verify a Thai company number, search the DBD registry with the complete 13-digit Juristic Person ID. Then compare the result with the company’s legal name. A registry result should serve as the primary reference because formatting alone cannot establish current corporate status.
- Copy all 13 digits from the source document.
- Remove accidental spaces or punctuation if the source uses them for readability.
- Search the official DBD registry or request an official company record.
- Compare the registered name with the name shown on the contract, invoice or website.
- Check relevant status details and registration information before making a legal or financial decision.
Small errors matter. One missing digit can produce a completely different company record. Therefore, compare the number character by character and confirm it against a second official document.
Foreign investors should also assess whether the proposed activity requires additional permission. For example, information about the Thailand Foreign Business Act Amendment may be relevant when a foreign-owned business is planning operations in Thailand. That legal question remains separate from the company number itself.
What should beginners check first?
Beginners should start with three simple checks: count the digits, confirm that the number contains no letters or hyphens and look for an official DBD record. Together, these steps separate a basic format check from a proper identity check without requiring specialist technical knowledge.
Suppose a small overseas business receives an invoice from a Thai supplier. First, a staff member can count the 13 digits and compare the number with the supplier’s registration document. Afterward, checking whether the registered name matches the invoice can catch basic mistakes before payment.
Beginner checklist
- Confirm exactly 13 digits.
- Check that the sequence contains numbers only.
- Note whether it begins with 010.
- Match the number with the company’s registered name.
- Use the DBD registry for confirmation.
The 010 prefix is a helpful clue, not a certificate of authenticity. Accordingly, a careful checker records the source document, the search date and any difference in spelling or number formatting.
What advanced users should investigate?
Advanced users should go beyond the number pattern and examine how the identifier aligns with corporate records, tax documents and the proposed business activity. Although the number can reflect agency, province, legal-entity type and sequential registration details, those attributes do not replace a current registry search.
For a transaction involving foreign ownership, compare the company’s registered scope with the planned activity. In addition, the cost and availability of a foreign business licence can depend on the activity and applicable rules. A separate reference on Foreign business license thailand cost may help frame that due-diligence question.
Expert view: treat the Juristic Person ID as an identity key rather than a complete company profile. It tells you which record to investigate. However, it does not answer whether the business is active, licensed for a particular activity or suitable as a contracting party.
Common mistakes to avoid
Most errors happen when a reader treats a number pattern as proof of company legitimacy. The format is important, but it functions only as the first filter. Therefore, a reliable review combines the 13-digit identifier with official records and transaction-specific checks.
- Counting incorrectly: Thai documents may display digits with spaces for readability, but the underlying identifier still contains 13 digits.
- Adding a hyphen: hyphens are not part of the official numeric format.
- Assuming 010 proves everything: the prefix generally points to DBD registration, but it does not confirm current status.
- Expecting separate numbers: the Juristic Person ID also serves as the Corporate Tax Identification Number.
- Searching only by a trading name: a registered legal name may differ from a brand or English business name.
Another common mistake is copying a number from an unverified website. Instead, registry data should take priority over a social profile, email signature or directory listing. If the records conflict, pause the transaction and obtain clarification from the company or an official source.
Thailand company registration number format FAQ
How many digits are in a Thai company registration number?
A Thai company registration number has 13 numeric digits. The standard identifier contains numbers only, without letters or hyphens.
What is a Juristic Person ID in Thailand?
The Juristic Person ID is the 13-digit identifier issued to a Thai juristic person by the Department of Business Development.
Does a Thai company number start with 010?
Numbers beginning with 010 generally identify a juristic person registered with the DBD. Even so, the prefix is only a useful clue, so official verification remains necessary.
Is the Thai company registration number the tax ID?
Yes. In Thailand, the exact 13-digit Juristic Person ID also serves as the company’s official Corporate Tax Identification Number.
Can letters appear in the Thai registration number?
No. The standard format uses 13 digits only. Letters, hyphens and other symbols are not part of the identifier itself.
Can the number reveal the company’s province?
The remaining digits generally encode details such as the registration province, legal-entity type and sequential registration information. However, DBD records should confirm those details.
Does the number prove that a company is legitimate?
Not by itself. The number confirms a format and provides a search reference. Meanwhile, company name, status and relevant licences require separate verification.
Using the number with confidence
The Thailand company registration number format is straightforward: 13 digits, no letters or hyphens and a Juristic Person ID issued by the DBD. Numbers beginning with 010 generally indicate DBD registration. The same sequence also functions as the Corporate Tax Identification Number.
For routine screening, count the digits and match the legal name. However, contracts, investment decisions and foreign-owned activities require a search of the official registry alongside any necessary permission checks. Because registry information and regulations can change, confirm the final details with the relevant Thai authority before relying on them.
