How to Get a NIF in Portugal: Complete Guide for Foreigners and Residents (2026)

Introduction

The NIF (Número de Identificação Fiscal) is the Portuguese tax identification number and one of the first documents any person — Portuguese or foreign — needs to carry out economic activities in Portugal. Without a NIF, you cannot open a bank account, sign a rental contract, buy property, work legally, or access public services.

This guide explains how to obtain a NIF in Portugal in 2026, whether in person or online, with all required documents and tax representative rules.

What Is the NIF and What Is It Used For?

The NIF is a nine-digit number assigned by the Portuguese Tax Authority (AT) to all individuals and entities with tax obligations in Portugal. It is equivalent to a Social Security Number (US), National Insurance Number (UK), or CPF (Brazil).

When you need a NIF:

• Opening a bank account
• Renting or buying property
• Working (employed or self-employed)
• Starting a business
• Accessing the National Health Service
• Enrolling children in school
• Applying for a residence visa (Golden Visa, D7, Digital Nomad)
• Applying for Portuguese nationality
• Filing taxes

Who Needs a NIF?

Portuguese citizens with a Citizen Card receive the NIF automatically. EU/EEA citizens can apply directly without a tax representative. Third-country nationals (including Brazilians) may need a tax representative if they are non-resident with an address outside the EU/EEA.

Required Documents

How to Apply: Step by Step

Option 1: In Person (Tax Office)

Visit a Serviço de Finanças or Loja de Cidadão with your documents. The NIF is usually issued on the same day. Cost: Free.

Option 2: Online (e-Balcão)

Since July 2025, foreigners can apply online through the Tax Authority's e-Balcão portal. Processing takes 2 to 5 business days.

Option 3: Through a Tax Representative or Lawyer

If you cannot travel to Portugal, appoint a tax representative resident in Portugal to handle the application on your behalf.

Tax Representative: When Is It Required?

Frequently Asked Questions

How much does it cost? The NIF is free. Professional fees for representatives vary.

How long does it take? In person: same day. Online: 2-5 business days. Through a representative: 5-15 business days.

Does the NIF expire? No. The NIF is permanent.

Can I apply before moving to Portugal? Yes, through a tax representative or the e-Balcão portal.

Conclusion

Getting a NIF in Portugal is a simple and free process, but it's essential to do it correctly from the start. For non-EU non-residents, appointing a tax representative is the most important step.

---

This article is for informational purposes only and does not constitute legal advice.