Latest news and stories about tax obligations in government in Portugal for expats and residents.
Multinational companies in Portugal must submit their income tax returns for the Global Minimum Tax Regime (Regime de Tributação Mínima Global or RIMG) by the end of the day. The government had previously granted a three-month extension for this obligation.
Today marks the final deadline for taxpayers to submit their personal (Imposto sobre o Rendimento das Pessoas Singulares or IRS) and corporate (Imposto sobre o Rendimento das Pessoas Coletivas or IRC) income tax returns. Failure to submit the declaration for the previous year by the end of the day will result in fines starting at 25 euros.
Housing fiscal measures are government tax changes or incentives aimed at the property market — examples include changes to property tax (IMI Imposto Municipal sobre Imóveis), stamp or transfer taxes (IMT Imposto Municipal sobre Transmissões Onerosas de Imóveis) and income‑tax (IRS Imposto sobre o Rendimento das Pessoas Singulares) deductions for renovations or rental incentives. The estimated €200–300 million budgetary cost shows the measures have a meaningful impact on public finances and signals whether the government is prioritising tax relief for homeowners, landlords or construction, which can affect property prices and rental markets that matter to expats.
The corporate income tax (Imposto sobre o Rendimento das Pessoas Coletivas or IRC) is a tax levied on the profits of companies operating in Portugal. It applies to both resident entities and non-resident entities with income generated within the country.
A comprehensive guide to the tax and reporting obligations for companies and families in September, including updates on tobacco taxes and the 15% minimum corporate income tax.
Deco Proteste reminded that changes to withholdings over the last two years have already led many taxpayers to receive smaller refunds than usual.
After surging in 2024, tax collection notices remained steady compared to 2025, but the Ministry of Finance has not disclosed the amount that had to be returned to the tax authorities.
A decree-law published this Tuesday defines a new model: tax settled in April, July, and October, depending on the amount. In 2027, a transition year, payments will be concentrated in the second half of the year.
The concern regarding an unexpected IRS charge is justified. However, the social justification for the 'nest egg' has no valid foundation other than being a certificate of immaturity for citizens.
This new practice of changing tax rates outside the budget period, which begins on October 10th, should simply be prohibited by law.
The number of taxpayers who had to pay the Additional IMI tax exceeded the 100,000 threshold last year for the first time. The REN terminal in Sines received its second shipment of liquefied natural gas (LNG) from Russia this Sunday, with six months remaining until the ban comes into effect.
More than six million taxpayers have until the end of June to fulfil this tax obligation. Also in the news, two to three weeks is the deadline given by Donald Trump to end the war in Iran.
Although the deadline is November 30, the Ministry of Finance indicated that since this date coincided with a Sunday and Monday was a holiday, it is still possible to settle the tax until today.
