Serviços Portugal
Taxes

NIF para Estrangeiros (Tax Number for Foreigners)

Apply for a NIF (Tax Identification Number) as a foreign citizen in Portugal. Required to work, rent a home, open a bank account and access services.

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What you need before you start

  • Valid passport (or identification document from country of origin)
  • Proof of address in Portugal (rental contract, accommodation declaration)
  • Tax representative (mandatory if not residing in the EU)
  • Form available at the Tax Office (Serviço de Finanças)

Step by step

  1. Go to a Tax Office (Serviço de Finanças) or Loja do Cidadão

  2. Bring your passport and proof of address in Portugal

  3. If non-EU resident, bring your tax representative (Portuguese citizen or resident)

  4. Fill in the NIF application form at the counter

  5. The NIF is issued on the spot, free of charge

  6. Keep the document with your NIF — you will need it for almost everything in Portugal

  7. You can later activate the Portal das Finanças password online

Tip: If in doubt, always contact the official service directly.

Editorial review

Useful context before opening the official portal

This section highlights the practical details that usually cause mistakes or delays. For the final decision, always confirm the official source.

Last reviewed: March 28, 2026

Official sources checked
Typical processing time

A NIF can often be issued during the appointment if your documents are complete. Cases involving a tax representative or missing paperwork may take longer.

Costs and official fees

The NIF itself is not usually expensive, but there may be administrative or representation costs depending on your case.

Mistakes worth avoiding
  • Bringing outdated proof of address or documents that do not match the passport details.
  • Assuming the tax representative rule is the same for every nationality and tax residence.
  • Leaving the appointment without confirming the official document shows the correct number.
Frequently asked questions

Do I always need a tax representative?

Not in every case. The requirement depends on your tax residence and the rules in force when you apply, so check the current official guidance first.

Can I use the NIF the same day?

Usually yes, as long as it has been officially assigned and appears on the document you received. Keep that proof because many later procedures will ask for it.

Help us keep this guide accurate

If you notice a change on the official portal, send us a correction so we can review this guide quickly. NIF para Estrangeiros (Tax Number for Foreigners)

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