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Personal tax return (IRS): accountants in Portugal

Your annual IRS return, deductions, and income from abroad.

In Portuguese: Fiscalidade e IRS

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How to get a NIF (Portuguese tax number) as a foreigner

The NIF is your Portuguese tax number and the key to almost everything: a bank account, a rental contract, a job or a property purchase. It is free, you can get it before you move, and since 2022 most non-residents no longer need a fiscal representative just to obtain one.

9 min read Read guide

Getting started

Portuguese tax residency explained: when you become tax resident

Portugal treats you as tax resident if you spend more than 183 days in the country in a 12-month period, or keep a home here that you intend to use as your habitual residence. Residency starts from your first day of presence, changes what Portugal can tax, and has to be registered with the tax authority yourself.

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Personal tax

Filing your IRS tax return in Portugal as an expat (2026 guide)

If you live in Portugal, you file an annual IRS return (Modelo 3) between 1 April and 30 June for the previous year's income, worldwide. This guide explains which annexes expats need, how foreign income and double taxation work, the current tax brackets, and how to avoid the most common mistakes.

9 min read Read guide

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