NISS (social security number)
Your Portuguese social security number for work, freelancing or business.
Provided by FastNIF, part of the VisaPath Network.
Overview
The NISS (Número de Identificação de Segurança Social) is the ID used for work-related contributions, pensions, subsidies and access to parts of the public system. It is needed if you work, freelance or run a business in Portugal.
Who it's for
Workers, freelancers and business owners who need to make social security contributions.
€200
What's included
- Registration with Portuguese Social Security
- Your NISS number
- A password for your Social Security online account
How it works
- 1
Confirm your status
We check whether you need a NISS based on your activity.
- 2
We apply for you
We submit the request to Social Security on your behalf.
- 3
Receive your NISS
You get your number and account access.
Common questions
No. The NIF is a tax number; the NISS is for social security.
Mainly if you work, freelance or run a business in Portugal.
Related reading
- Moving to Portugal from the US: visas, costs and how to start →
- Portugal D7 vs D8 (Digital Nomad Visa): which one fits you? →
- How much does it cost to move to Portugal? A realistic breakdown →
- How to get a Portuguese NIF and bank account as a foreigner →
- Portugal residency to citizenship: the timeline after the 2026 law change →
- Portugal tax for new residents: how the IFICI (NHR 2.0) regime works →
- Moving to Portugal with your family: schools, healthcare and your spouse's right to work →
- Portugal D7/D8 vs Greece Golden Visa →
Ready to get started?
Begin online today. A local specialist handles it for you, end to end.

