Social security identification numbers (NISS) enable unique, precise and rigorous nationwide identification for the purposes of social security and allow access to rights and obligations. Applicable for foreign nationals who do not have an NISS.


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You will receive your NISS in PDF format on email and WhatsApp

NISS online

How to apply for NISS

Prepare your documents:
– Passport

Submit application form
in 2 minutes

Complete identity verification in 2 minutes

Make a signature in the application to e-sign it in your form

Receive your NISS
online by email

After making the payment and filling the form, be sure you finished it at all. Please, note that the process can be started only after receiving all required documents. The timeframe counts only by working days, excluding weekends, official Portuguese holidays, strikes, as well as other technical errors for which the social service did not work. 

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Who can applying for a social security identification number (NISS)?

Foreign nationals who are in Portugal to work:

  • as employees;
  • as self-employed workers;
  • as domestic workers.
How long does it take to acquire a NISS?

Generally, it takes from a couple of days to a couple of weeks to issue a NISS, however, it should be noted that the time depends first of all on the Social Security office and there have been cases when clients have waited more than a month to get their NISS. Hence, you should always prepare for the longest scenario that may take more than 4 weeks. Please, take a note that the timeframe counts from the day of signing the Power of Attorney.

Do I need to have a Portuguese address?

You should enter address in Portugal, it can be your address, address of your friend, hotel, hostel other.

There are not required to show any proof for it.

What documents are required to make a NISS?

There are only 2 documents required:

  • Scan of international passport or EU citizen ID card
  • NIF