Official Thailand business resources

Links and service purposes checked 20 September 2026. An official link identifies the competent authority; it does not establish eligibility, compliance or approval.

• DBD online services, Biz Regist and company manuals: corporate registration and records.
• DBD e-Foreign Business and law pages: foreign-business licence and certificate administration.
• BOI eligible activities and Investment Promotion Guide: activity and project criteria and incentives.
• OSOS: investment information and agency coordination.
• Revenue Department: VAT, CIT, forms and e-filing.
• SSO: employer and insured-person services and current notices.
• DOE e-WorkPermit: work applications and notifications.
• Ministry of Labour: labour laws and prohibited occupations.

Commercial or professional resources must be separated and labelled non-governmental. Do not send passports, shareholder records, financial statements, tax records or employee data through a general enquiry. Referral provider, purpose, recipient, retention and any compensation are disclosed before consented transfer. Providers remain independent and no outcome is guaranteed.

Review status: Editorially reviewed 20 September 2026. Next scheduled review: 20 December 2026. Recheck the relevant authority's live procedure before filing because service routes and forms can change.

Professional review: Not performed. No qualified Thai corporate, tax, employment or legal approval.