The NIF (Número de Identificação Fiscal) is Portugal's 9-digit tax identification number. It is mandatory for virtually any financial or legal transaction in Portugal: opening a bank account, buying property, setting up a company, signing contracts, or working as a freelancer.

3 Ways to Get a NIF in Portugal

1. In Person at Finanças (Free, Same Day)

Any EU/EEA citizen can walk into a Finanças office with their passport or national ID card and receive a NIF the same day, free of charge. Non-EU citizens must also bring proof of residence in their home country.

2. By Power of Attorney (5–10 Days)

You grant power of attorney to a certified accountant or lawyer in Portugal, who applies on your behalf. Cost: €150–300. Ideal for people who cannot travel to Portugal. HVR offers this service.

3. Via Fiscal Representative (Non-EU Non-Residents)

Non-EU citizens who are not resident in Portugal must appoint a fiscal representative — a Portuguese tax resident who is legally responsible for your Portuguese tax obligations.

Who Needs a NIF in Portugal

• Property buyers: NIF mandatory for CPCV and notarial deed
• Company founders: all shareholders need a NIF before registration
• Expats and new residents: required for bank account, utilities, employment
• Freelancers and digital nomads: needed to register activity at Finanças
• Foreign investors: required for securities, fund investments and real estate

Important Facts About the Portuguese NIF

• Format: 9 digits (e.g., 123 456 789)
• Issued by AT — Autoridade Tributária e Aduaneira
• Non-resident NIFs typically start with 45x or 46x
• Same NIF kept for life — it does not change when you become resident
• Free to obtain in person; €150–300 via power of attorney

Book a free consultation — NIF obtention included for company formation clients →

What Documents You Need

• Passport or national ID card — the identification document itself.
• Proof of address in your country of residence: a utility bill, bank statement or certificate of residence, usually issued within the last three months.
• Power of attorney, if someone is applying on your behalf. It must name the representative and the specific act.

There is no minimum age and no requirement to already live in Portugal. Children can hold a NIF, which matters when property is bought in a family's name.

How Long It Takes and What It Costs

The number itself is always free. What you pay for is the representation and the paperwork, not the NIF.

Do You Need a Fiscal Representative?

If you live outside the EU or EEA and have a Portuguese NIF with tax obligations here, appointing a fiscal representative is mandatory under article 19 of the General Tax Law. The exception is significant and often missed: taxpayers who opt into the Tax Authority's electronic notification system are exempt from appointing one.

That exemption is convenient but demands discipline. Notifications land in a portal inbox rather than a letterbox, and deadlines run from the moment they are posted there, not from the day you read them. Failing to appoint a representative when required can attract a fine, and the practical risk is worse: a tax notification you never see turning into an enforcement procedure. See our guide to the fiscal representative in Portugal, or our fiscal representative service page if you want us to check your own position.

Common Mistakes

• Applying with an outdated address. The NIF is tied to the address you declare. If it changes and you do not update it, correspondence goes to the wrong place.
• Assuming a non-resident NIF becomes resident automatically. Becoming tax resident in Portugal is a separate step, and getting it wrong affects which income Portugal can tax.
• Paying for a NIF as if it were a product. Services that advertise a NIF for a fee are selling representation. The number is free.
• Leaving the fiscal representative in place after moving to Portugal. Once you are resident, the representation is no longer needed and should be terminated.

What Comes After the NIF

With a NIF you can open a Portuguese bank account, sign a lease, buy property and register a company. If you are moving here, the next questions are usually tax residency and whether you qualify for the IFICI regime, the successor to NHR, which taxes qualifying income at 20% for ten years. If you plan to work for yourself, you will also need to register your activity with the Tax Authority — see green receipts in Portugal.

Frequently Asked Questions

Can I get a Portuguese NIF without going to Portugal?

Yes. You grant power of attorney to a certified accountant or lawyer in Portugal, who applies on your behalf. It normally takes 5 to 15 business days.

Is the NIF free?

The number is free when you apply in person at a Finanças office or Loja de Cidadão. Applying remotely costs the professional fee of whoever represents you.

Do I need a NIF to open a bank account in Portugal?

Yes. Portuguese banks require a NIF to open an account, whether you are resident or not.

Does my NIF change when I become a resident?

No. The number stays with you for life. What changes is your registered address and tax residency status, and both must be updated with the Tax Authority.

Do all company shareholders need a NIF?

Yes. Every shareholder and every director needs a Portuguese NIF before the company can be registered, regardless of nationality.