Source-cited draft: company formation & entity choice for Thailand (tax year 2025) — rates, thresholds and rules with primary-source citations. Unverified; pending local-accountant review.
Source-cited draft.Written from sources but not reviewed by a licensed practitioner, so it may be incomplete or wrong. General reference only; don't file or take a position on it without professional review.
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Common vehicle overview
The most common vehicle is the Thai private limited company, registered with the Department of Business Development (DBD). Foreign ownership is governed by the Foreign Business Act.
Common entity types
Private limited company, public limited company, partnership (ordinary/limited), branch, and representative officeCivil and Commercial Code; Public Limited Companies Act — https://www.siam-legal.com/Business-in-Thailand/thailand-limited-company.php
Minimum shareholders (private limited company)
2 promoters/shareholders (reduced from 3 in 2022)Civil and Commercial Code (as amended 2022) — https://benoit-partners.com/thai-limited-company/
Minimum registered capital (general)
No statutory minimum for a Thai-owned company; commonly THB 50,000+ in practice THB ((approx — confirm))Civil and Commercial Code — https://belaws.com/thailand/company-setup-in-thailand/
Minimum capital for foreign-owned business (restricted activity)
THB 2,000,000 (or THB 3,000,000 if the activity is restricted under the Foreign Business Act) THB ((approx — confirm))Foreign Business Act B.E. 2542 (1999) — https://emerhub.com/thailand/register-company-in-thailand/
Capital required per foreign employee (work permit)
THB 2,000,000 per foreign employee (THB 1,000,000 if married to a Thai national) THB
Other Thailand computations in the OpenAccountants Tax Library.
Incorporation steps
Name reservation, file Memorandum of Association, statutory meeting (adopt AOA, appoint directors and auditor), capital verification, DBD registrationCivil and Commercial Code; DBD registration procedure — https://www.siam-legal.com/thailand-law/steps-for-company-registration-in-thailand-2/
Typical incorporation timeline
Approximately 2–4 weeks ((approx — confirm))DBD registration procedure — https://www.siam-legal.com/Business-in-Thailand/thailand-limited-company.php
Digital registration platform
From 1 January 2026, registrations must use the DBD Biz Regist digital platform ((future change — confirm))DBD Order 2/2568 — https://betterthanfreehold.com/resources/dbd-order-2-2568-company-registration-thailand-2026
Annual statutory audit
Every company (including dormant) must have financial statements audited by a licensed Thai CPAAccounting Act B.E. 2543 (2000) — https://www.juslaws.com/articles/filing-financial-statements-thailand-deadlines-and-liabilities
Annual general meeting
Must be held within 4 months of fiscal year-endCivil and Commercial Code — https://www.juslaws.com/articles/filing-financial-statements-thailand-deadlines-and-liabilities
Financial statement filing with DBD
Audited financial statements filed with the DBD within 1 month of the AGM approvalAccounting Act B.E. 2543 (2000) — https://www.juslaws.com/articles/filing-financial-statements-thailand-deadlines-and-liabilities
Corporate income tax return after audit
Form PND.50 filed within 150 days of fiscal year-endThai Revenue Code, Section 68; Form PND.50 — https://taxsummaries.pwc.com/thailand/corporate/tax-administration
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