Taxation of an Offshore Company in Portugal: Taxes, VAT, and Dividends

Published on August 15, 2026 and written by Cyril Jarnias

Setting up a so-called “offshore” structure in Portugal is attracting more and more entrepreneurs and investors. The idea is often the same: taking advantage of a stable European framework, competitive corporate taxation, an attractive regime for certain income, while organizing dividend flows and international invoicing. But behind the marketing talk, the reality is far more technical. Corporate income tax, VAT, withholding taxes, double taxation treaties, CFC rules, the Portuguese blacklist, the Madeira regime… all of this forms a complex puzzle that must be mastered before structuring your company.

Corporate Income Tax: Between Standard Rates and Special Regimes

The cornerstone of the system is IRC, the corporate income tax. Contrary to the image sometimes conveyed, Portugal is not a tax haven, but an EU country with normal taxation… simply more flexible than many imagine, especially for well-designed international structures.

IRC Rates in Portugal and Madeira

On the mainland, resident companies are taxed at the standard rate on all their worldwide profits. Permanent establishments of foreign companies are subject to the same rate there.

In parallel, the autonomous regions of Madeira and the Azores apply a 30% regional reduction to this standard rate, resulting in a lower IRC rate for companies that have their registered office and effective management there.

The main IRC rates mentioned in the report can be summarized as follows, using the most consistent and recent data as a reference:

Added to these rates are the national and municipal surtaxes, which push the effective rate up for large companies.

National and Municipal Surtaxes: The Real Add-On

Portugal applies a double layer of surtaxes on taxable profit: a national surtax (derrama estadual) and a municipal surtax (derrama municipal). For a company earning several million, these levies are far from trivial.

In other words, a large offshore structure domiciled in Portugal must factor into its projections an effective tax cost higher than the mere “showcase” rate of 19%.

The Specific Case of Madeira: 5% for Licensed Activities

Madeira holds a special place in the debate on offshore companies in Portugal. Legally, it is not an offshore jurisdiction but an autonomous region of an EU member state, operating under the direct supervision of Brussels and the Portuguese authorities.

This regime, although often labeled “offshore” in common parlance, is expressly recognized as a low-tax regime with a strong substance requirement, compatible with EU and OECD rules.

Mandatory Substance: No More Empty Shells

Being satisfied with a letterbox in Funchal is no longer enough. To benefit from the 5% rate at the MIBC, the company must demonstrate genuine economic activity in the region. Three blocks of requirements combine:

2. Productive investment The €75,000 (when required) must finance productive assets located in Madeira, for example real estate allocated to the activity, computer servers, industrial equipment, locally exploited intellectual property rights, etc. Financial investments are not allowed.

3. Eligible income caps based on employment The 5% rate applies only to profits from eligible activities up to annual caps, themselves indexed to the number of jobs created. Beyond that, profits revert to the normal regional rate.

In practice, an “offshore company” that simply wants to accumulate profits and then distribute them to a foreign shareholder without any real local activity will find itself in the crosshairs of substance rules, anti-abuse rules and CFC rules, both in Portugal and in the shareholder’s state.

Real World: CFC, GAAR and Tax Residence

To complete the picture, three Portuguese mechanisms are essential for any international structuring.

– the Portuguese resident holds directly or indirectly at least 25% of the capital, voting rights or profits (threshold lowered to 10% if a group of residents collectively exceeds 50%);

– and the foreign entity is subject to an effective tax lower than 50% of what it would be under Portuguese rules (i.e., an effective rate lower than approximately 10.5% in the configuration described).

In this case, the undistributed profits are attributed to the Portuguese resident, unless the foreign entity has substantial economic activity, with real staff, facilities and organization in its country, or if it is in the EU/EEA with genuine economic reasons.

Next, the general anti-abuse rule (GAAR) allows the tax administration (AT) to disregard structures without substance whose main purpose is to obtain a tax advantage, for example a shell company in a preferential tax territory that has no real activity.

Finally, the tax residence of companies is based not only on the statutory seat, but also on the place of effective management. If strategic decisions and senior management take place in Portugal, the administration may consider the company to be a Portuguese resident, even if it is registered elsewhere.

VAT: Obligations, Rates and Pitfalls for Offshore Companies

For an offshore company in Portugal, VAT is often seen as a technical appendage. In reality, it determines local registration, the need for a tax representative, invoicing, and sometimes even the perception of tax residence in the eyes of the administration.

When Must a Company Register for VAT in Portugal?

Any entity carrying out taxable transactions in Portugal must in principle register for VAT. The rules clearly distinguish between resident and non-resident companies:

– for a non-resident company, there is no threshold: the first taxable transaction triggers the registration obligation;

– for a resident taxable person, an exemption scheme exists below a certain turnover level, but it does not apply to most international structures that import, export, or carry out intra-Community transactions.

Tax Representative: A Major Constraint for Non-EU

Portuguese rules on tax representation are strict. A non-resident company that has neither a registered office, nor a permanent establishment, nor a domicile in another EU Member State must, in order to register for VAT, appoint a tax representative in Portugal. This representative:

– is jointly liable for VAT obligations;

– is on the front line in the event of an audit;

– handles the filing of periodic returns, EC sales lists and SAF-T files.

For EU companies, representation is in principle optional. Since Brexit, British companies fall under the non-EU regime and must therefore, with limited exceptions, go through a tax representative for Portuguese VAT.

VAT Rates: Mainland, Madeira, Azores

Portugal applies a system of differentiated rates depending on the region, which may be of interest to offshore companies structuring service or e-commerce activities from Madeira or the Azores.

The most common transactions of an offshore structure – service provisions, software sales, international consulting – will in practice be subject to the standard rate, except in specific cases (tourist accommodation, catering, press, etc.).

Reporting Obligations: Frequency, Penalties, Digitalization

Once registered, an offshore company is subject to the same rules as any Portuguese company: compliant invoicing, bookkeeping, and filing of periodic returns.

As with IRC, failure to comply with these obligations results in penalties, interest and potentially more extensive audits.

Dividends and Capital Flows: The Nerve Center of an Offshore Structure

One of the main objectives of an offshore company in Portugal is often the management and repatriation of dividends. However, the taxation of Portuguese dividends is a tangle of domestic rules, European directives and bilateral tax treaties.

Withholding Tax on Dividends Paid Abroad

By default, dividends distributed by a Portuguese resident company to a non-resident shareholder are subject to withholding tax.

The basic rules are as follows:

– 25% withholding for a non-resident corporate beneficiary, absent any special regime or treaty;

– 28% withholding for a non-resident individual beneficiary, absent a treaty (this withholding is in practice the final tax in Portugal);

– 35% if the beneficiary is established in a jurisdiction on the Portuguese blacklist or when dividends are credited to accounts held on behalf of unidentified third parties.

However, these rates are largely adjusted by:

– the domestic participation exemption regime;

– the European Parent-Subsidiary Directive;

– the double taxation treaties signed by Portugal.

Participation Exemption and Parent-Subsidiary Directive

Portugal has transposed the European directive on parent and subsidiary companies. Specifically, when a Portuguese company pays dividends to a parent company located in the EU, the EEA (under conditions) or in a state with a tax treaty containing an exchange of information clause, the withholding tax can be eliminated if several conditions are met:

– the parent holds at least 10% of the capital or voting rights of the Portuguese subsidiary;

– this holding is maintained without interruption for at least 12 months (or a commitment is made to maintain it until that period is reached);

– the beneficiary company is subject, without exemption, to a tax comparable to IRC, at a statutory rate of at least 60% of the Portuguese standard rate;

– the structure does not have as its main purpose or one of its main purposes the undue obtainment of the tax advantage.

When these criteria are met, the Portuguese company can distribute dividends without withholding. Otherwise, the standard withholding tax (25% or 28%) applies, subject to a reduction under a tax treaty.

Double Taxation Treaties: A Broad and Finely Tuned Network

Portugal has a dense network of bilateral tax treaties, covering a large number of countries in Europe, Africa, the Americas and Asia. These treaties set, for each partner, caps on withholding tax rates for dividends, interest, royalties and sometimes certain technical services.

For dividends, treaties often provide for differentiated rates depending on the percentage of ownership in the distributing company. The most common combinations are:

Some examples from the Portuguese treaty network:

The entry into force of the new treaty between Portugal and the United Kingdom will also illustrate this logic of caps, with specific rules from its date of application.

For an offshore company in Portugal, the tax residence of the shareholder and the holding structure (holding ≥ 10%, > 25%, etc.) thus become central parameters for optimizing the withholding tax burden.

Dividends Received by a Portuguese Company: The Inbound Participation Exemption

The participation exemption mechanism also works in the opposite direction. A Portuguese resident company (including a so-called “offshore” holding company in Madeira) that holds at least 10% of the capital or voting rights of a subsidiary, for at least one year, may benefit from an IRC exemption on dividends received if:

– the subsidiary is not a resident of a jurisdiction on the blacklist;

– the subsidiary is subject, without exemption, to a tax comparable to IRC at a statutory rate of at least 60% of the Portuguese standard rate.

The exemption also covers, under similar conditions, capital gains on the disposal of securities, provided that the entity whose shares are being sold does not mainly hold Portuguese real estate acquired after a certain date.

Shareholders in Listed Jurisdictions: The Penalty for Tax Havens

Portugal goes further than the EU in the fight against tax havens. Its blacklist includes around 80 jurisdictions, far more than the European list of “non-cooperative jurisdictions“. It includes states and territories such as Anguilla, Bahamas, Bermuda, Cayman Islands, Panama, Monaco, several Pacific islands, but also certain territories of states that have nevertheless concluded treaties with Portugal (United Arab Emirates, Qatar, Bahamas, etc.).

For dividend beneficiaries residing in these jurisdictions, the consequences are severe:

– aggravated 35% withholding tax on dividends paid by the Portuguese company, without application of the parent-subsidiary exemption or the participation exemption;

– non-deductibility of many payments made to these jurisdictions (interest, royalties, services) or application of autonomous taxation;

– increased rates for taxes on real estate held through entities established in these territories (IMI, IMT);

– presumption of Portuguese tax residence for certain taxpayers who move there.

Conversely, certain territories historically treated as “offshore” by Portugal, such as Hong Kong, Liechtenstein or Uruguay, cease to be considered as such from a certain date, opening up new structuring margins for the years to come.

VAT and Offshore Companies: An Issue Not to Be Underestimated

Even though VAT does not directly affect dividends, it determines the day-to-day operations of offshore companies operating in Portugal: invoicing, cash flow, audit adjustment risks. Several points deserve particular attention.

B2B, B2C Transactions and the Reverse Charge Mechanism

Services provided by a Portuguese company to businesses established in other EU Member States are generally taxed where the customer is established, through the reverse charge mechanism. In this case, the Portuguese company invoices without local VAT, but must report the transaction.

For private customers (B2C), the rule is in most cases reversed: it is the supplier’s country that taxes, except for specific schemes (electronic services, telecoms, etc.) for which a single EU threshold exists and a one-stop shop (OSS) can be used.

B2C VAT Rule

An offshore company using Portugal as a base to sell digital services to European consumers will therefore have to choose between local VAT registration in Portugal, using the OSS from another Member State, and managing VAT in each country of consumption, while respecting the applicable thresholds.

VAT Refunds for Non-Resident Companies

EU-established businesses without a Portuguese establishment may request a refund of VAT incurred on local expenses (hotel, vehicle rental, certain services) through the usual electronic procedure. For non-EU businesses, a refund is possible, but only if a reciprocity agreement exists and often through a tax representative.

Blacklist, Real Estate Look-Through and Offshore Real Estate Structures

The use of offshore companies to hold Portuguese real estate is explicitly in the crosshairs of the tax administration.

The 50% Real Estate Transparency Rule

Since the late 2010s, the AT has applied a “look-through” rule: when Portuguese real estate is held through an intermediary company, the beneficial owner is deemed to directly hold 50% of its value. For example, if a company owns a building worth €3M, the ultimate owner is considered to own €1.5M directly for certain taxes.

Increased Rates for Tax Haven-Type Structures

When the buyer or owner of Portuguese real estate is a company established in a blacklisted jurisdiction, several taxes are increased:

– IMT (transfer tax) can reach 10% of the property’s value in these cases, instead of the lower standard rates;

– IMI (municipal property tax) or certain specific taxes on high-value assets can be increased.

For offshore structures, it thus becomes much more expensive to hold Portuguese real estate in an entity based in the Cayman Islands, Panama or any other listed territory.

ATAD 3, Minimum Substance and Denial of Treaty Benefits

The future European directive known as ATAD 3, progressively transposed, directly targets shell companies without real substance. In Portugal, the application of these principles is taking concrete shape.

If these criteria are not met, the consequences for an offshore company are severe:

– refusal to issue the Portuguese tax residence certificate;

– exclusion from access to double taxation treaties;

– inability to rely on certain exemption regimes (participation exemption, reduced withholding taxes).

In other words, even with a company properly registered in Portugal, a lack of real substance can render the sought-after tax advantages ineffective.

Interactions with Individual Taxation: Dividends Received by Residents

Dividend flows do not only concern IRC. At the end of the chain, there is often an individual, who may be a tax resident in Portugal. Here again, the rules are strict.

Residents: 28% by Default, Option for Aggregation

Dividends received by a resident individual in Portugal are in principle taxed as capital income at a flat rate of 28%. This rate applies to most dividends, whether they come from Portuguese or foreign companies.

For taxpayers whose other income is modest, this option can, despite the high scale, prove to be tax advantageous.

Non-Residents: Final Withholding, Adjusted by Treaty

Non-residents receiving dividends from a Portuguese company generally incur a 28% withholding (or 35% for residents of blacklisted jurisdictions), which constitutes the final tax in Portugal. They may, where applicable, request the application of a treaty-reduced rate by providing the distributing company with a tax residence certificate and the appropriate form.

In practice, many treaties limit withholding to 10% or 15%. The beneficiary can either have this reduced rate applied directly or recover the excess withholding by filing a refund claim with the Portuguese tax administration.

Special Regimes: NHR, IFICI and Interactions with Dividends

Portugal long offered the Non-Habitual Resident (NHR) regime, which in many cases allowed foreign dividends to be exempt from IRS for 10 years, subject to possible taxation in the source country and no connection with blacklisted jurisdictions. This regime has been significantly overhauled and closed to new entrants as of a certain date, but those who still hold this status can benefit from it until the end of their 10-year period.

Double Taxation, Tax Credit and European Litigation

In an environment where dividend flows cross borders, the issue of international double taxation is crucial.

European case law also weighs in the balance. A ruling by the Court of Justice of the EU thus held that the withholding tax applied by Portugal on dividends paid to certain non-resident collective investment undertakings was contrary to EU law, forcing the country to partially revise its practices.

Conclusion: An Attractive Framework, but Narrow for “Real” Offshore Companies

The taxation of an offshore company in Portugal is not just a slogan or a single rate. Between a flexible corporate income tax, a highly incentivized Madeira regime subject to a strong substance requirement, VAT with many obligations, a very broad blacklist, robust CFC rules and a dense network of double taxation treaties, the Portuguese framework is both open and restrictive.

Restrictive, because it now requires real economic substance: offices, staff, local management, productive investments. Shell companies with no activity, housed in blacklisted jurisdictions or used solely as dividend conduits, are explicitly targeted by Portuguese and European anti-abuse rules, and may have treaty benefits and exemptions denied.

For an entrepreneur or investor considering using Portugal as a base for an internationally oriented company, the question is therefore no longer: “Can I pay 5% tax?”, but rather: “Can I organize a real, sustainable and documented economic activity in Portugal or Madeira, in a manner consistent with the substance rules, tax treaties and anti-avoidance legislation?”

Entrepreneur or investor

It is on this condition that the offshore company in Portugal can cease to be a marketing mirage and become a legitimate tool for international structuring.

Cyril Jarnias

Cyril Jarnias is an independent expert in international wealth management with over 20 years of experience. As an expatriate himself, he is dedicated to helping individuals and business leaders build, protect, and pass on their wealth with complete peace of mind.

On his website, cyriljarnias.com, he shares his expertise on international real estate, offshore company formation, and expatriation.

Thanks to his expertise, he offers sound advice to optimize his clients' wealth management. Cyril Jarnias is also recognized for his appearances in many prestigious media outlets such as BFM Business, les Français de l’étranger, Le Figaro, Les Echos, and Mieux vivre votre argent, where he shares his knowledge and know-how in wealth management.

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