Social Security Number (Spain)
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Your Seguridad Social number links you to Spanish social coverage. Employers and clinics use it.
Have a Agencia Tributaria letter with this term? We’ll decode it in seconds.
Where to find it
Apply at Tesorería General de la Seguridad Social (TGSS) offices or online with digital certificate.Why it matters
Required for payroll, contributions and public healthcare.What to do now
- Request the number at TGSS
- Activate online access with certificado digital
- Keep the document for employers/clinics
Quick links
Related
Guides
- Get Empadronamiento (Spain)
- Obtain your NIE in Spain
- Install Certificado Digital (Spain)
- File your Spanish IRPF tax return
- Register with Spanish Social Security
- Get a Spanish health card (Tarjeta Sanitaria)
- Open a bank account in Spain
- Register as autónomo (self-employed, Spain)
- Register a car in Spain (DGT)
- Apply for the TIE card (Spain)
FAQ
Employers can help, but you’re responsible for keeping it.
You usually find your Social Security Number (Spain) in official letters, online portals, or documents from authorities.
Yes, Social Security Number (Spain) is often required for taxes, banking, or admin tasks.
Contact the relevant office to request a replacement or check your online account.
