UK Non-Dom vs Italy Flat Tax vs Greece 7% Regime: A Comparison for HNW Individuals

For high-net-worth individuals choosing between the UK, Italy, and Greece, the decision depends on whether they prefer a sunsetting remittance system, a fixed annual lump sum, or a low percentage rate on global income. While the UK is phasing out its historic non-domiciled status in 2025, Italy offers a stable €200,000 annual flat tax, and Greece provides a 15-year 7% incentive specifically for retirees.

Key Takeaways

• The UK Non-Dom Era is Ending: From 6 April 2025, the UK will replace the remittance basis with a four-year residency-based system, making it less attractive for long-term planning.
• Italy is for the Ultra-Wealthy: The Italian Neo-Resident tax recently doubled from €100,000 to €200,000 per year, yet it remains the gold standard for those with multi-million-euro global dividends.
• Greece Targets Retirees: The Greek 7% flat tax is restricted to individuals receiving a foreign pension, offering a decade and a half of tax certainty.
• Timing is Critical: Transitional arrangements for the UK and application windows for Mediterranean schemes require at least six months of advanced legal preparation.

How does the UK Non-Dom system change in 2025?

For nearly two centuries, the United Kingdom was the primary destination for global elites due to the non-domiciled (non-dom) tax regime. Under this system, individuals living in the UK who considered their permanent home to be abroad were only taxed on UK-sourced income. Foreign income and gains (FIG) were exempt unless 'remitted' or brought into the country.

However, the Spring Budget 2024 and subsequent affirmations by the Labour government have signalled the end of this era. Effective from 6 April 2025, the remittance basis will be abolished. It will be replaced by a new 'FIG regime' that provides a 100% tax exemption on foreign income and gains for the first four years of UK tax residency.

Crucially, after these four years, residents will be taxed on their worldwide income regardless of where it is kept. This marks a paradigm shift from a system that allowed some to remain non-taxable on foreign wealth for up to 15 years to one that offers only a short-term window. For HNW individuals, this change necessitates a comparison with more stable, long-term European alternatives.

Is the Italy Flat Tax still the best option for HNWIs?

Italy introduced its 'Neo-Resident' tax regime (Article 24-bis of the Italian Tax Code) in 2017 to compete directly with London and Zurich. In August 2024, the Italian Council of Ministers approved a decree increasing the annual substitute tax from €100,000 to €200,000 for new applicants.

Despite this 100% increase, the math still favours the ultra-wealthy. If an individual generates €5 million in annual dividends from a family office in Singapore or the US, an effective tax of €200,000 represents a mere 4% tax rate. The primary appeal of the Italian system is simplicity: one lump sum covers all foreign-sourced income, including interest, dividends, and capital gains. It also provides a full exemption from Italian inheritance and gift taxes on assets held abroad.

To qualify, an applicant must not have been a tax resident in Italy for at least nine of the last ten years. Once granted, the status lasts for 15 years, providing a level of long-term fiscal certainty that the UK currently lacks.

How does the Greek 7% tax regime work?

While Italy targets active entrepreneurs and investors, Greece has carved out a niche with its 'Alternative Taxation for Pensioners' (Article 5B of the Income Tax Code). If you are a high-net-worth retiree looking for a lifestyle-based relocation, Greece offers a 7% flat tax rate on all foreign-sourced income.

This is not limited to just pension income; once you qualify by moving your tax residency and drawing a foreign pension, the 7% rate applies to dividends, rents, and interest earned outside of Greece. The incentive lasts for 15 years. For those who are not yet retired, Greece offers a separate 'High Net Worth' program (Article 5A) mirroring Italy’s flat tax, requiring a €500,000 investment and an annual payment of €100,000.

Comparison Table: UK vs Italy vs Greece

Which jurisdiction is best for inheritance tax planning?

Inheritance Tax (IHT) is often a greater concern for HNW families than income tax. The UK’s proposed changes involve moving to a residence-based system for IHT. Under the new proposals, an individual’s worldwide assets could fall into the UK IHT net (40%) after ten years of residency, with a 'tail' that keeps them in the net for ten years after leaving.

Italy remains significantly more attractive for estate planning. The flat tax regime includes a total exemption from Italian inheritance and gift taxes on all assets held outside of Italy. For a family with a global portfolio worth €50 million, this protection alone is worth the €200,000 annual fee.

Greece, while offering low income tax, does not provide the same blanket IHT exemption as Italy. However, Greece has relatively moderate IHT rates for close family members (ranging from 1% to 10% above certain thresholds), though global assets are generally taxable if the deceased was a Greek resident.

What are the residency requirements for these schemes?

Tax benefits are inextricably linked to physical residency. In the UK, the Statutory Residence Test (SRT) determines status based on days spent in the country, typically ranging from 16 to 183 days depending on 'ties'.

For the Italy flat tax, the individual must transfer their 'centre of vital interests' to Italy and register with the Anagrafe (Registry of the Resident Population). Generally, this implies spending more than 183 days a year in the country, though Italy is occasionally more flexible if the family and economic life are clearly situated there.

Greece requires the applicant to be a tax resident, which usually follows the 183-day rule. Additionally, for the 7% retiree scheme, the applicant must originate from a country with a Double Taxation Treaty with Greece and must prove their status as a foreign pension recipient.

Conclusion: Which should you choose?

The choice between UK non-dom status (or its successor), Italy, and Greece involves a trade-off between cost, duration, and lifestyle.

• Choose the UK if you are an executive or entrepreneur planning a short-term four-year stint to exit a business or if you require the specific infrastructure of the London financial markets.
• Choose Italy if your annual global income exceeds €1 million. The €200,000 flat tax provides the highest level of privacy, simplicity, and long-term protection against inheritance tax.
• Choose Greece if you are entering retirement with a diverse portfolio of income-generating assets. The 7% rate is exceptionally competitive for those who do not yet reach the 'break-even' point of the Italian €200,000 lump sum.

Prospective applicants should consult with a qualified international tax advisor to model these scenarios against their specific asset structure. Jurisdictional rules are subject to change, and the 'exit taxes' of your current home country must be considered before relocating.

Frequently Asked Questions

1. Can I switch from the UK Non-Dom status to Italy’s Flat Tax? Yes. Many HNWIs are currently planning 'pre-exit' strategies to move from the UK to Italy before the April 2025 deadline to avoid the UK’s tightening inheritance tax net.

2. Does the Italian flat tax cover my family? Yes, but at an additional cost. While the main applicant now pays €200,000, each family member added to the scheme requires an additional payment of €25,000 per year.

3. Is the Greek 7% tax applicable to capital gains? Yes, the 7% flat tax generally covers all foreign-source income according to the Greek tax code, which includes dividends, interest, and capital gains, provided they are not sourced within Greece.

4. What happens if I spend less than 183 days in Italy or Greece? Tax residency is complex; while 183 days is the standard, you can be deemed a resident if your 'habitual abode' or 'centre of vital interests' is in the country. Failure to meet these requirements can lead to challenges from tax authorities in your previous home country.

5. Does the UK's new 4-year FIG regime have an investment requirement? No, unlike some 'Golden Visa' style tax regimes, the UK's new FIG system is based purely on your residency status and history, not on a specific capital investment.

Disclaimer: This article is for informational purposes only and does not constitute legal, financial, or tax advice. Readers should consult with professional advisors specialising in UK, Italian, and Greek tax law before making any relocation decisions.