Employer Social Security Registration — Complete Documents, Filed Until Approved
Once a business has one or more employees, the law requires employer registration with the Social Security Office within 30 days. We handle everything — from preparing all government forms and gathering supporting documents to filing with the Social Security Office — so you can start making contributions correctly.
What You Get with Our Service
Social Security Consultation
We advise on employer obligations under the Social Security Act B.E. 2533 (1990), contribution rates, payment deadlines, employee benefits, and additional requirements for foreign employees.
Preparation of All Government Forms
We prepare SSS Form 1-01 (employer registration), SSS Form 1-02 (insured person registration cover letter), SSS Form 1-03 (insured person registration), SSS Form 9-02 (hospital selection), power of attorney, premises consent letter, and employee list — ready for your signature and company stamp.
Filing with the Social Security Office
We submit all documents to the Social Security Office serving your workplace location. If the officer requests corrections or additional information, our team addresses them immediately.
Post-Registration Support
We advise you on monthly contribution payments, reporting new hires and terminations, updating workplace information, and using the Social Security Office e-Service system for future online transactions.
Exclusive Benefits When You Use Our Service
Free! Social Security & contribution consultation
Free! Preparation of all SSS government forms
Free! Document review before filing
Free! Filing on your behalf
Free! Guidance on contributions & entitlements
Travel costs for SSO office submission included
What You Need to Prepare
Please prepare the following documents and information to ensure a smooth and efficient process.
Required Documents
- Company/Partnership certificate issued within the last 3–6 months — 1 set (signed and stamped on every page)
- Copy of VAT Certificate (PP.20) — 1 set (if VAT-registered) Copy of VAT Application (PP.01 or PP.01.1) — 1 set each (if VAT-registered) (signed and stamped)
- Copy of national ID and house registration for every director — 2 sets each
- Copy of national ID and house registration of the registered premises owner — 2 sets each
- Copy of national ID for every employee For foreign employees: copy of passport and work permit instead
- Map showing the office location (signed and stamped)
- Photos of the office premises — approximately 5–6 photos Must clearly show the company sign and address number, front view, interior, and overall surroundings (signed and stamped)
- Premises documentation (as applicable) • If leasing: signed lease agreement (signed and stamped) • If owner is not the registered householder: copy of title deed or purchase agreement • Premises consent letter (signed and stamped)
- Company rubber stamp — for stamping documents
Required Information
- Monthly salary of each employee
- Each employee's Social Security status • Previously insured: state "Previously insured — retain existing coverage" • Never insured: state "Never insured"
- Preferred hospital for each employee's Social Security coverage (select up to 3 hospitals in order of preference)
- Company contact phone number
Employer Registration Process
Consultation & Information Gathering
We discuss your number of employees, business type, and existing registrations, then advise on required documents. You send all information and documents to our team.
Preparation of Government Forms
Our team prepares all required forms: SSS Form 1-01, 1-02, 1-03 (per employee), 9-02, employee list, power of attorney, and premises consent letter. We send them to you for signature and company stamp, then you return the signed documents.
Filing with the Social Security Office
We submit all documents to the provincial Social Security Office or branch serving your workplace location. Any corrections or additional requests from the officer are handled by our team immediately.
Receiving Your Workplace Number
Once the officer has verified your documents, your Social Security workplace number is issued. We notify you of the result and advise on monthly contribution payments — due by the 15th of the following month — and how to use the SSO e-Service system.
Frequently Asked Questions
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