Tax optimization for expatriates: securing your assets

TL;DR:

• According to the Council of Economic Analysis, 0.2 % of households in the top 1 % of capital income emigrate each year.
• International tax optimization requires rigorous planning and tailor-made structuring.
• Effective strategies include securing tax residency, appropriate wealth management, and preparing for Exit Tax.

According to the Council of Economic Analysis (Focus No. 118, July 2025), 0.2% of households in the top 1% of capital income earners emigrate each year, compared to 0.38% for the population as a whole. This often-overlooked figure is enough to put the myth of mass tax exodus into perspective. Yet, for expatriates and wealthy families who take the plunge, the stakes are considerable: poorly secured tax residency, underestimated Exit Tax, and unsuitable wealth management vehicles. The reality is that international tax optimization is neither a shortcut nor a one-size-fits-all solution. It requires rigorous planning, a careful reading of bilateral agreements, and a tailor-made wealth structure. This guide has been designed for you—expatriates, executives, and high-net-worth families—who are looking to secure and grow your assets globally, without improvising.

Key Points

Understanding tax residency: the crucial issue for expatriates

Before any optimization strategy, one question is crucial: where are you actually a tax resident? The answer determines your entire worldwide tax liability. Yet, many expatriates discover, to their dismay, that simply leaving France is not enough to sever their tax ties with the country.

In domestic law, Article 4 B of the General Tax Code establishes three alternative criteria: the home or principal place of residence, the principal professional activity, and the center of economic interests. When two states claim residence, the tax treaty resolves the dispute according to a cascade of criteria inspired by the OECD model: permanent home, center of vital interests, habitual residence, nationality, and then mutual agreement procedure.

To avoid double taxation, France has signed approximately 120 tax treaties with its partners, the vast majority of which include tax credit or exemption mechanisms. Under French law, non-residents are not subject to social security contributions on capital gains from the sale of securities of French origin. Only their rental income and capital gains from French real estate are subject to these contributions: 17.2% of the standard tax rate (%), or a solidarity levy of 7.5% of the standard tax rate (%) for those affiliated with a social security scheme in the EEA, Switzerland, or the United Kingdom.

The non-resident tax status must be carefully documented. It's not just about registering with a foreign administration, but about proving that the center of gravity of your life has actually shifted.

Points to be aware of in each situation

Here are the indicators to systematically document to secure your expatriate tax guide:

• Lease agreement or title deed in the host country
• Certificate of tax residence issued by the local administration
• Records of physical presence (airline tickets, passport stamps)
• Registration with foreign public services (social security, school, doctor)
• Closure or suspension of non-essential French accounts and subscriptions

Pro tip: Prepare a residency file from the very first day of your arrival abroad. In the event of a tax audit, it is this body of evidence, and not your tax return alone, that will convince the tax authorities.

Structuring your assets internationally: holdings, trusts, assurance-vie

Once tax residency is established and secure, the question of the right asset management vehicle becomes crucial. Each structure offers distinct advantages depending on your profile, your host country, and your long-term objectives.

The international holding This structure allows for the consolidation of holdings in different companies under a parent entity, often domiciled in a tax-friendly jurisdiction. It offers tax neutrality on intragroup dividends (parent-subsidiary regime), facilitates business transfers, and optimizes cash flow management. It is particularly well-suited to entrepreneurs operating in multiple countries.

The trust A trust (under Anglo-Saxon law) is a powerful tool for protecting and transferring family assets. It separates legal ownership from economic ownership, which can be useful for protecting assets from creditors or organizing a complex estate. Note: its recognition in France is limited, and its use must be declared to the French tax authorities.

L'’Luxembourg assurance-vie It remains one of the most popular wealth management structures for affluent families. It benefits from Luxembourg's tax neutrality, a robust regulatory framework (the "triangle of security"), significant investment flexibility, and international portability. It adapts to the tax regime of the subscriber's country of residence.

As international structuring specialists point out, these vehicles allow for tax-neutral asset organization, provided they are used within a rigorous and documented legal framework.

Comparison of structures according to profile

Selection criteria according to the host country:

• Dubai / UAE : offshore holding company or Luxembourg assurance-vie for passive income
• Switzerland : local trust structures or Swiss holding companies for wealthy families
• Portugal / Malta Luxembourg assurance-vie combined with the local tax regime
• Singapore English law trust for intergenerational protection

Pro tip: Since the implementation of the Common Reporting Standard (CRS) and FATCA, financial accounts held abroad, including those held by entities, must be reported to the tax authorities of their country of residence, along with the identity of their beneficial owners. Tax optimization must be based on genuine economic substance, not solely on tax advantages. To optimize exit tax before departure, these structures must be established well in advance.

Top destinations for optimization: focus on Dubai, Switzerland, Portugal, Malta and Singapore

Choosing an expatriation destination is a strategic decision that goes far beyond mere taxation. Legal security, quality of life, access to financial services, and business networks are all factors to consider in your analysis. Here is an overview of the five most popular jurisdictions for wealthy French families in 2026.

Comparative table of tax regimes

According to the Henley Private Wealth Migration Report 2025, the United Arab Emirates is projected to have 9,800 millionaires by 2025, the highest number in the world, driven by the complete absence of income tax and a leading financial infrastructure. The essential condition: establishing actual residency, with a physical presence and local economic involvement.

Switzerland offers a lump-sum taxation regime (taxation on expenditure) reserved for foreigners not engaged in gainful employment within its territory. A crucial point for those leaving France: taxpayers subject to this lump-sum taxation regime are not considered Swiss residents under the Franco-Swiss tax treaty (Article 4, paragraph 6, b), and the administrative tolerance that previously granted them this status no longer applies to income earned in 2013. Access to the treaty requires regular Swiss taxation.

In Portugal, the non-habitual resident (NHR) regime has been closed to new entrants since January 1, 2024. It has been replaced by the IFICI (Tax on Income from Foreigners and Citizens): a tax of 20 % on salaried and self-employed income from eligible activities (research, higher education, highly skilled professions in certified companies, and start-ups), and an exemption on most foreign-source income for ten years, provided the individual has not been a Portuguese resident in the previous five years. This regime is not available to retirees or passive investors.

Here are the steps to anticipate before any transfer of residence:

1. Check for the existence of a tax treaty between France and the target country
2. Assessing the impact of the Exit Tax on shareholdings
3. Organizing the sale or restructuring of sensitive French assets
4. Open bank accounts and establish proof of residence in the host country
5. Notify the French tax authorities of the change of residence
6. Adapt assurance-vie contracts and management mandates to the new residence

THE expatriation opportunities There are many, but each destination involves specific constraints that should be analyzed with a specialist advisor.

Anticipating Exit Tax and Securing Your Departure: Pitfalls, Strategies, and Solutions

The Exit Tax is one of the most feared, and most misunderstood, aspects of international wealth taxation. Introduced in France in 2011 and subsequently reformed, it aims to tax unrealized capital gains when transferring tax residence outside of France.

Reminder of the thresholds and rates applicable in 2026: The Exit Tax applies to taxpayers who have been tax residents of France for at least six of the ten years preceding their departure, and who hold at least 50% of the profits of a company or securities with a total value exceeding €800,000. The overall rate is 31.4% (12.8% income tax + 18.6% social security contributions), with automatic deferral of payment for departures to the European Union or to a country that has signed an administrative assistance and collection agreement with France (including the United States, the United Kingdom, Norway, Japan, Monaco, Morocco, Tunisia, Turkey, and Australia). For other countries, deferral is optional, with the use of a tax representative and guarantees. The tax relief is granted after two years for shareholdings below €2.57 million, and after five years for those exceeding this threshold.

The mechanism is therefore clear: you do not necessarily pay on the date of departure, but the latent tax debt follows you until the actual transfer of the securities or the expiry of the period.

Here are the main strategies to mitigate the impact of the Exit Tax:

1. The gift before departure Transferring securities to one's children before relocating allows for the elimination of unrealized capital gains, subject to compliance with anti-abuse rules.
2. Contribution-sale Contributions to a controlled holding company (Article 150-0 B ter of the French General Tax Code) place the capital gain on deferral; this deferral is included in the base for the exit tax at the outset and is subject to annual reporting. For disposals carried out since February 21, 2026, reinvestment is limited to 70% of the proceeds, within three years, with a holding period of five years.
3. The early transfer The capital gain is taxed at the flat rate of 31.4% before departure, and the departure occurs without any unrealized capital gain to declare.
4. Assurance-vie : Gains from a assurance-vie contract are not subject to exit tax; the contract is held in cash, and including directly held securities in it requires selling them, with the capital gain then being taxed.

To optimize your Exit Tax and simulate the Exit Tax Accurate, customized modeling is essential. Parameters vary depending on the nature of the assets, the destination country, and the planned timeline. A thorough understanding of the tax rules for expatriates To avoid unpleasant surprises upon your departure, a thorough analysis of the rules in force in your host country and any applicable tax treaties is essential to minimize the impact of the Exit Tax. Furthermore, professional guidance can greatly facilitate the management of these complex decisions.

Non-resident status also implies specific reporting obligations in France, particularly for French-source income (rents, dividends, interest) which remains taxable in France even after departure.

Pro tip: The finance law for 2026 maintained the exit tax regime: relief after two years, or five years beyond €2.57 million, and conditions for deferment unchanged.

Optimizing without borders: why every strategy must remain tailor-made

There's a natural temptation to look for a one-size-fits-all solution: "Settle in Dubai, open a holding company in Malta, take out a Luxembourg assurance-vie policy." These solutions are widely circulated. They are sometimes relevant. But they are rarely sufficient, and sometimes dangerous.

Every family's financial situation is unique. The composition of assets, family structure, career plans, social security obligations, and inheritance goals create a combination that is unique to you. A strategy copied from another profile can lead to reclassification, or even proceedings for tax avoidance if the motivation is purely fiscal and lacks economic substance.

European tax authorities have significantly strengthened their analytical tools since the implementation of the CRS, FATCA, and the initial applications of Pillar 2 (a global minimum tax of 15% for groups). Transparency is now the norm, not the exception.

We must also think beyond immediate taxation: social protection, retirement, health insurance abroad, inheritance in multiple countries. These dimensions are often neglected in purely tax-related analyses, and they can represent costs or risks far exceeding the tax savings achieved.’analysis of tax developments It must be continuous, not sporadic. A strategy that is relevant in 2024 may become suboptimal in 2026 if the rules change. Regulatory monitoring is an integral component of quality wealth management advice.

Your international tax optimization, supported by experts

In the face of the growing complexity of international taxation, expertise remains an asset. At Balmont Conseil, we support expatriates, business owners and wealthy families in building robust wealth strategies, tailored to their actual situation and reviewed as regulations evolve.

Our approach to wealth management integrates tax engineering, legal structuring, and asset management into a comprehensive vision. Whether you are considering expatriation, wealth restructuring, or optimizing your income tax optimisation, we support you at every stage. For non-residents already settled abroad, our case studies on taxation of non-residents concretely illustrate the solutions implemented for profiles similar to yours. Schedule an appointment for an initial, personalized, and no-obligation consultation. We can also advise you on optimise your family wealth in the long term. Through a thorough analysis of your situation, we can identify the optimization strategies that best align with your objectives. Don't wait any longer to discover how our tailored solutions can transform your approach to wealth management.

Frequently Asked Questions

Does international tax optimization expose one to a risk of tax reassessment?

If the scheme is economically justified and properly documented, the risks of reassessment are reduced. However, a scheme motivated purely by tax avoidance without any real economic substance exposes the client to proceedings for abuse of law.

Which countries are the most advantageous for wealthy French expatriates in 2026?

Dubai, Switzerland, Portugal, Malta and Singapore remain the benchmark destinations, each suited to a distinct wealth profile and objectives.

How to protect yourself from Exit Tax when moving abroad?

Donating securities before departure eliminates the unrealized capital gain, subject to anti-abuse rules. A contribution-sale does not exempt the company from exit tax: the deferred capital gain is included in its tax base. Gains from a assurance-vie policy are not included, but the policy is converted into cash.

How many wealthy expatriates actually leave France each year?

According to the Council of Economic Analysis, approximately 0.2% of households in the top 1% of capital income emigrate each year, a modest flow despite the significant media coverage of the tax exodus phenomenon.

Recommendation

• Types of tax optimization
• Cross-border wealth planning
• International wealth management
• Property management for expatriates

To learn more: Tax residency in Dubai for French citizens: system, conditions and actual taxation ; Assets in Switzerland: strategies, taxation and optimization.