NISS: your Social Security number, sorted
You need it to work, register as self-employed and access social protection. We prepare the application and your online access.
Complimentary assessment: NISS (social security)
Tell us your plans. A Baker & Co advisor will show you the best route, with no obligation.
100% confidential. An advisor will call you within 24 hours.
Prefer to talk? Call +351 926 869 908 or message us on WhatsApp.
What we take care of
An overview. In your complimentary assessment we confirm what applies to your case.
- NISS application for employees and the self-employed
- Gathering your ID and address documents
- Activating your Segurança Social Direta access
- Coordination with your tax start-of-activity
Frequently asked questions
When do I need a NISS?
When you start working in Portugal, register as self-employed or become a manager of a Portuguese company, among other cases.
We can also help with
NIF (tax number)
The tax number you need for almost everything in Portugal.
Learn more →SNS health number
Register with your local health centre and access the SNS.
Learn more →Company formation in Portugal
Your Lda. or single-member company: formation, NIF, beneficial owner, bank and certified accountant.
Learn more →Official sources
Information reviewed on 18 October 2026. Rules can change; we always confirm what applies to your case.