NISS in Portugal is the social security number (Número de Identificação da Segurança Social). It is a unique 11-digit number assigned to all citizens and foreigners who work or reside in Portugal. NISS is used to track pension contributions, receive pensions, and access other social benefits.

In short: NISS is the social security number in Portugal, required for employment, and for accessing social services and benefits.

NISS (Número de Identificação de Segurança Social) is the social security number in Portugal. It is required for anyone who works, is self-employed, owns a business, or plans to live in Portugal. It is necessary to access healthcare, unemployment benefits, and pensions.

Who needs a NISS:
- Employees: Anyone working under an employment contract.
- Self-employed individuals: Freelancers and entrepreneurs running their own business.
- Business owners: Anyone who owns a company.
- Anyone planning to live in Portugal; Those intending to reside in Portugal long-term.

When is NISS needed:
- To obtain a Portuguese residence permit:
NISS is often required when applying for a residence permit in Portugal at AIMA.
- To access healthcare:
NISS is needed to register with the health insurance system.
- To receive unemployment benefits:
NISS allows you to claim unemployment benefits.
- To receive a pension:
NISS is required to register with the pension system and receive a pension.
- For other social services:
NISS may be necessary when applying for other government services related to social security.

In short, NISS is the social security number in Portugal, required for employment, self-employment, business ownership, long-term residence, healthcare, unemployment benefits, pensions, and other social services.

To obtain the Social Security Number (Número de Segurança Social, NISS) in Portugal, you usually need: a passport, NIF (individual tax number), and proof of your professional status (employment contract, self-employment certificate, etc.).
In detail:
• Identity document: This can be a valid passport, residence permit card, or a registration at AIMA (Agency for Integration, Migration and Asylum).
• NIF: The individual tax number (NIF) is required for registration with the tax authorities.
• Proof of professional status:
• If you are employed, you need to provide a copy of your employment contract.
• If you are self-employed, you need to provide your business registration certificate and contracts with clients.
Additional documents (in some cases):
• Rental contract: Sometimes proof of residence is required, such as a rental agreement.
• Certificate from Junta de Freguesia: Alternatively, you can provide a certificate from the local parish administration (Junta de Freguesia), signed by two neighbor witnesses confirming that you actually live at the address.
• Utility bills: If you don’t have the certificate, you can provide utility bills (gas, water, electricity) in your name.
This summary reflects the typical documentation requirements for applying for a NISS in Portugal.

Yes, the social security number (NISS) in Portugal can be obtained online. Message us on Telegram and we will help you get a guaranteed NISS for all members of your family.

We help absolutely anyone who wants to obtain a Portuguese NISS. All you need to provide is a minimal set of documents—a NIF (tax number) and a Portuguese phone number. We take care of everything else! Your NISS will be obtained within 2–15 days.