How can Portugal, which taxes income up to 48%, land close to Dubai?

Because of the regime rather than the headline rate. Portugal's IFICI (the successor to NHR) exempts qualifying foreign investment income, including the dividend from a UK company, and charges a flat 20% on qualifying Portuguese-source employment. That puts a Portugal resident within a few thousand pounds of the UAE, which has no personal income tax at all, on the same income.

Why is Ireland the worst of the five when its corporation tax is only 12.5%?

Because the 12.5% rate is what an Irish company pays on its profits, and it has nothing to do with what a person keeps. Here the company is a UK company that has already paid UK corporation tax. Ireland then taxes the dividend in the individual's hands at the marginal income tax rate, with USC and PRSI on top. Headline corporate rates and personal take-home are different questions, and conflating them is the most common mistake in this area.

Does moving the company change as much as moving yourself?

No. On this income, where you are tax resident and which regime you elect move the number far more than where the company is registered. Estonia taxes distributed profit at 22% and nothing on retained profit, which lands close to UK corporation tax once a UK salary deduction is taken into account.

Where do these figures come from?

Every figure is computed by Take Home's cross-border tax engine, which covers 44 countries and their expat regimes on 2025/2026 rates. Nothing on the page is a flat-rate approximation. Change the income and all five setups recompute live.

Same income, five setups: what you actually take home in the UK, Ireland, Portugal, Dubai and Estonia

Company billings a year, before tax

Computed live · 2025/2026 rates · 44 countries

£45,116 between the top and the bottom, on identical income.

One director, one company, all profit taken out. Where the company is in the UK it pays a £12,570 salary first and the rest as dividends, which is the efficient split on 2025/2026 rates. Corporation tax is charged before anything reaches the person. The non-UK company rows pay no salary, so no employer social charge arises and no social security is paid in either country; Estonian board remuneration rules are not modelled. Residence is assumed settled for a full tax year, and the rules that decide where a company is actually resident, which can follow the director rather than the registration, are not modelled either. Those two points are usually what decides whether a structure like this survives contact with a tax authority. Directional, and not tax advice.

What actually moves the number

Three levers, and they are not the ones people argue about.

Most of the advice online is about where to register the company. On this income that is the smallest decision on the page by a wide margin. Ireland is the clearest example: a country famous for a 12.5% corporation tax rate, and the worst place on this list to actually receive the money.

Where the company is registered

+£3,018 Estonia against the UK, same resident

Estonia charges 22% on distributed profit and nothing on profit you leave in the company. The UK charges corporation tax on the profit, but lets the company deduct a salary first. Once both companies pay everything out, the gap is small.

Where you are tax resident

+£29,193 Dubai against the UK, same company

Same UK company, same profit, same dividend. The UK taxes that dividend in your hands. The UAE charges nothing on personal salary, dividends or gains. Nothing about the business changes.

Which regime applies

+£42,099 Portugal under IFICI against Ireland

Two EU countries, both in the euro, same UK company, same dividend. Portugal under IFICI exempts the qualifying foreign dividend. Ireland charges the marginal rate on it, with USC and PRSI on top. The regime decides, not the postcode.

How it is calculated

Real corporation tax, real dividend tax, real regimes.

This page has no flat-rate assumption in it anywhere. Each of the five rows is two calls to the same cross-border engine that runs inside the product.

The company is asked what it can distribute after corporation tax and any salary and employer social security. That figure is then paid out in full as a dividend and taxed in the country of residence.
Where a double tax treaty applies, the engine applies the source-country withholding and credits it against the residence-country liability.
Expat regimes are modelled properly rather than as a discount: Portugal's IFICI and NHR, Spain's Beckham, Cyprus and Malta non-dom, Greece's lump sum, plus every US state.
Rates are 2025/2026. Coverage is 44 countries. Figures are directional and are not regulated tax advice.

What the engine says about these five

Source-country (Estonia) dividend withholding tax of 0% applied on the gross dividend; a foreign tax credit is granted in Portugal up to the residence-country liability (relief under the applicable double-tax treaty).

Cross-border scenario detected. Check the applicable double-tax treaty between Estonia and Portugal.

Employment/self-employment taxed at 20% flat (IFICI qualifying activity).

Foreign dividends exempt under IFICI.

Source-country (United Kingdom) dividend withholding tax of 0% applied on the gross dividend; a foreign tax credit is granted in United Arab Emirates up to the residence-country liability (relief under the applicable double-tax treaty).

Cross-border scenario detected. Check the applicable double-tax treaty between United Kingdom and United Arab Emirates.

0% personal income tax on salary/dividends/gains. Natural persons taxed only on business turnover above AED 1m.

Source-country (United Kingdom) dividend withholding tax of 0% applied on the gross dividend; a foreign tax credit is granted in Portugal up to the residence-country liability (relief under the applicable double-tax treaty).

UK-Portugal Double Taxation Agreement applies. UK applies 0% withholding on dividends to PT residents. Under NHR/IFICI, qualifying foreign-source dividends may be exempt in Portugal.

No PT social security on foreign employment (paid in source country).

Source-country (United Kingdom) dividend withholding tax of 0% applied on the gross dividend; a foreign tax credit is granted in Ireland up to the residence-country liability (relief under the applicable double-tax treaty).

Cross-border scenario detected. Check the applicable double-tax treaty between United Kingdom and Ireland.

Budget 2025: single standard band EUR 44,000. Relief via tax credits not allowance; USC+PRSI stack on top.

On £150,000 a year, the same person takes home £71,884 or £117,000.