Educational Information Only
The content on this page is for general educational purposes and does not constitute legal advice. Every legal situation is unique. For matters involving investigation, arrest, litigation, or formal proceedings, consult a qualified legal professional.
Sor.Por.Sor.1 — SSO Employer Registration
Registration of an employer with the Social Security Office. Required for any employer with one or more employees.
When Used
Within 30 days of having an employee.
Who Files
Thai employer.
Fee & Logistics
Free
Same day
Local SSO office
Filing Method
- In-person at SSO
- Online via SSO portal
Required Documents
- Company registration
- Tax ID
- Director ID
Field-by-Field Walkthrough
Employer Tax ID
Corporate Tax ID.
First employee start date
Triggers registration.
Common Mistakes
- Late registration — administrative penalty
Legal Basis
Social Security Act B.E. 2533 (1990) §33
This walkthrough summarises the practical filing requirements for a Thai government form as a starting point. Fees, procedures, and required documents change without notice — always verify with the issuing authority before filing. Educational use only; not a substitute for advice from a Thai-qualified lawyer, accountant, or licensed visa agent.
Professional Legal Assistance
When a matter involves investigation, arrest, detention, litigation, or regulatory action, professional legal representation becomes essential.
Anglo Siam Legal provides experienced legal services across Thailand for both Thai nationals and foreigners.
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