Moving to Mauritius: how to become a tax resident?
Summary
Introduction
The question arises in almost every case of setting up a business in the Indian Ocean, and it's rarely asked in the right place. Many French entrepreneurs assume that a Mauritian business permit automatically makes them tax residents of the island, only to discover several months later that the French authorities still consider them French residents. The two concepts partially overlap, but they are never the same.
The short answer lies in two cumulative conditions : first, you must meet a physical presence requirement in Mauritius, typically 183 days during the local tax year or 270 days cumulatively over three consecutive tax years; and second, you must hold a residence permit that makes this presence legal and permanent. This could be an Occupation Permit, Premium Visa, or Residence Permit, depending on your profile: the permit is the vehicle, the number of days remains the requirement. Once these two conditions are met, you become a Mauritian resident without losing your French tax residency, which operates on a completely separate legal basis.
This article details the two aspects of the process: how tax residency is acquired in Mauritius, and how it is lost in France. We previously examined the similar mechanism of the tax residency certificate in the Emirati context; the Mauritian system relies on the same evidentiary requirements, but on a very different legal framework. Transferring tax residency to Mauritius requires addressing both aspects simultaneously, never sequentially .
The thresholds, rates, and procedures mentioned here are public information and may change with future Mauritian and French finance laws. They must be verified on a case-by-case basis , and their scope depends entirely on each individual's family, asset, and professional circumstances.
Becoming a Mauritian tax resident: the answer in brief
Mauritius defines tax residency for individuals based on a presence test, not on holding a residence permit. The Mauritian Income Tax Act provides three alternative criteria: a presence of at least 183 days during the tax year, a cumulative presence of at least 270 days over the tax year and the two preceding years, or a domicile in Mauritius without a permanent home established elsewhere. Only one criterion is required , and the first is by far the most frequently used in relocation applications.
This system has an immediate and often misunderstood consequence. While a residence permit is not part of the Mauritian tax definition, it is a practical prerequisite: without a valid permit, a French national cannot legally remain in Mauritius long enough to exceed the required number of days. An irregular presence, on the other hand, creates no defensible case , neither in Mauritius nor before a French tax inspector.
What the license does and what it doesn't do
An Occupation Permit authorizes you to live and work in Mauritius; it does not affect your tax status. You can perfectly well hold a valid Mauritian permit and remain a French tax resident if you only spend a few weeks a year on the island and your family, business, or economic interests remain in France.
Conversely, an expatriate who crosses the threshold of presence becomes a Mauritian tax resident even if they have never applied for a certificate from the Mauritius Revenue Authority. Tax resident status in Mauritius is acquired through actual presence; the certificate is only issued later, to provide proof to a foreign tax authority.
The 183-day rule and its alternative test
The 183-day threshold is the best known, but it's not the only way. The 270-day cumulative threshold over three tax years allows for residency status for highly mobile individuals who never stay in the same place for six consecutive months: 90 days per year for three years is theoretically sufficient to reach this three-year total . This second threshold is valuable for a traveling executive, but it becomes a trap if used as proof of departure from France.
The reason is simple and worth stating immediately. Becoming a Mauritian resident with ninety days of annual presence automatically leaves nine months elsewhere, and a French tax inspector will have no difficulty demonstrating that your primary residence has remained in France. Strong applications therefore aim for the one hundred and eighty-three-day threshold, even when the three-year cumulative period would be legally sufficient in Mauritius.
The Mauritian fiscal year runs from July 1st to June 30th
The calendar discrepancy is one of the most frequent errors. The Mauritian fiscal year does not correspond to the French calendar year: it opens on July 1st and closes on June 30th, which means that a September establishment leaves only ten months to reach the threshold in the first fiscal year.
A poorly timed departure can lead to an awkward situation where the individual is not fully tax-resident anywhere, or is a resident on both sides of the border. It's better to set the departure date based on both tax calendars rather than on the availability of accommodation or the start of the school year.
Documenting days of attendance
The number of days cannot be proven by a declaration on one's honor. Entry and exit stamps, boarding passes, local bank card statements, electricity and internet bills, registered lease: all of this constitutes a bundle that must be kept from the first day , not reconstructed three years later under control.
The Mauritian and French authorities are not looking for the same thing in these documents. Mauritius verifies that the threshold has been reached; France, on the other hand, looks for traces of a life that remained French , which makes the documentation of departure as important as that of arrival.
Residence permits that make presence legal
Three types of permits cover the majority of French expatriation projects in Mauritius, and they are not at all equivalent with regard to tax residency. The Occupation Permit is for employed individuals, the Premium Visa for long stays without local employment, and the Residence Permit for non-citizen retirees and eligible property buyers. Choosing the wrong permit will jeopardize the entire arrangement from the outset.
Occupation Permit: investor, professional or self-employed
The Occupation Permit is offered in three tracks, each with its own eligibility requirements. The investor track requires an initial capital investment in a Mauritian company, the professional track is based on a local employment contract with a minimum monthly salary, and the self-employed track is for independent service providers operating their own businesses. The required amounts are publicly available and regularly reviewed by the Economic Development Board; they are approximate and must be confirmed before any commitment is made.
The permit's duration, typically ten years, is the main advantage of this type of permit. It allows for a long-term presence, consistent with the required number of days, and paves the way for a Permanent Residence Permit after several years of compliance with the conditions. This is the vehicle chosen by the majority of tax relocation consulting cases in Mauritius undertaken by active entrepreneurs.
Premium Visa: easy to get into, fragile as proof
The Premium Visa was designed for remote workers and extended stays, with a one-year renewable validity and a streamlined application process. It requires proof of foreign income and, in principle, prohibits entry into the Mauritian labor market, making it a residence permit rather than a settlement permit .
Its fragility stems precisely from this logic. A renewable annual visa is poorly suited to demonstrating a long-term investment, and its interaction with local taxation depends on how the funds are received and repatriated. The Premium Visa can serve as a first step, rarely as a definitive solution .
Residence Permit and Real Estate Acquisition
The Residence Permit for non-citizen retirees is based on a regular transfer of funds to a Mauritian bank account, up to a minimum monthly or annual amount set by regulations. Purchasing property in an approved real estate program opens another avenue, linked to meeting a public investment threshold set in US dollars.
What a Mauritian tax resident actually pays
Mauritius was long presented as a jurisdiction with a single 15 percent tax rate, but this is no longer accurate. The tax scale applicable to individuals has become progressive, with a top marginal rate that remains moderate by European standards. The jurisdiction's statutory tax rates are publicly available, but their application depends on the nature and source of each income.
In addition to income tax, there are social security contributions specific to the Mauritian system, based primarily on employment income. However, Mauritius does not levy a wealth tax, inheritance tax, or general capital gains tax on the sale of securities, which explains the island's appeal to executives planning wealth transfers . These tax exemptions obviously only apply to assets directly linked to Mauritius.
Foreign income: the logic of remittance of funds
The most fundamental aspect of the Mauritian tax system concerns foreign-sourced income of a resident individual. This income is only subject to Mauritian taxation if it is remitted to Mauritius, according to a remittance basis principle inherited from British law. Foreign income held outside the island is therefore exempt from Mauritian tax, but remains subject to tax in the country of origin.
This mechanism is broadly similar to that of other European regimes, and this is where the comparisons come in. Transferring tax residence to Portugal or non-domiciled regimes relies on similar considerations but very different access conditions. In all cases, the transfer of funds must be meticulously documented, as this is what triggers local taxation .
Structuring your professional activity from Mauritius
The question of company formation almost always arises at the same time as that of residency, and the two must be addressed together. Mauritius offers three main structures: the domestic company, the global business company, and the authorized company. Their tax treatment differs significantly, and a poor choice can negate the benefits of the transaction .
Global Business Company is licensed by the Financial Services Commission and benefits, under certain conditions, from a partial exemption on specific categories of income. This exemption requires meeting certain substantive requirements: resident directors, local expenditures, and a physically present staff. Access to Mauritian tax treaties is only granted upon meeting these conditions, and economic substance is verified in practice, not in the company's articles of association.
The Authorised Company follows the opposite logic, as it is managed from abroad and treated as a non-resident company in Mauritius. It therefore offers no conventional access and simply shifts the tax burden to the place of effective management. For an entrepreneur physically based in Mauritius, it is rarely the right structure, and this option warrants individual consideration .
The France-Mauritius Convention and its tie-breaking rules
The tax treaty between France and Mauritius eliminates double taxation and, most importantly, resolves cases of dual residency. When both states consider a person to be resident in their respective countries, the treaty applies a series of successive criteria : permanent home, then center of vital interests, then habitual residence, then nationality, and finally, mutual agreement between tax authorities.
This cascade of factors is not a safety net that can be invoked at the last minute. It is won or lost based on accumulated factors: where the family lives, where the bank accounts are held, where the permanent residence is located, and where contracts are signed. An expatriate who maintains an apartment in France and returns there every month often loses out on the first criterion .
Other jurisdictions apply comparable frameworks, allowing for informed decisions. A transfer of tax residence to Malta or another European jurisdiction follows the same treaty structure, with different internal rules beforehand. The treaty never creates residence; it resolves between two residences already established by domestic law .
Leaving French tax residency
This is where the success or failure of the project hinges, and it's the most frequently overlooked aspect. Article 4 B of the French General Tax Code sets out four criteria, and the crucial point is that they are alternative and not cumulative : a single criterion linked to France is sufficient to maintain French tax residency, even if you are otherwise a duly registered resident of Mauritius.
The first criterion is that of the home, understood as the place where the spouse and children usually live. The second is the principal residence, assessed in number of days. The third takes into account the exercise in France of a non-secondary professional activity, and the fourth is the center of economic interests , that is to say, the location of the main investments, the headquarters of the business, and the source of income.
In a typical Mauritian case, the two most dangerous factors are family ties and economic interests. A spouse remaining in France for professional reasons or children attending school in France are strong indicators, difficult to neutralize simply by counting the days spent on the island . A portfolio of assets that remain predominantly French has the same effect.
Two formalities accompany departure and should not be overlooked. The declaration for the year of departure must be made according to specific procedures with the relevant tax office for non-residents, and an executive holding securities above the legal thresholds is subject to the tax regime for unrealized capital gains, with a payment deferral mechanism that must be requested formally. Anticipating these two steps avoids lengthy and costly regularization processes.
Comparison of jurisdictions and reverse planning
Comparing Mauritius to other destinations is not simply a matter of comparing tax rates. What truly differentiates jurisdictions is the required residency threshold, the treatment of foreign-sourced income, and the specific considerations inherent to each tax regime. The table below summarizes these three dimensions for the most frequently studied destinations, subject to current verification .
Jurisdiction | Usual presence threshold | Foreign income | Point of vigilance |
MAURITIUS | 183 days or 270 days over three years | Imposed if handed over to Mauritius | Proof of presence to be documented |
United Arab Emirates | 183 days, shorter versions | Not taxed locally | Real substance required in the Emirates |
Cyprus | 183 days or the 60-day regime | Exempt under non-dom status | Defence contribution to be verified |
Malta | 183 days | Imposed if handed over in Malta | Minimum annual contribution applicable |
Portugal | 183 days or permanent home | General scale since the reform | The old regime was closed to new entrants. |
Singapore | 183 days | Largely outside the local diet | Progressive tax on local income |
Andorra | 183 days | Imposed according to the Andorran tax scale | Local activity or investment required |
The final choice depends less on the advertised rate than on the compatibility between the tax regime and your income structure. A tax residency transfer to Dubai is often suitable for employment income, whereas a tax residency transfer to Cyprus may be better suited to dividend income. Mauritius stands out for its cost of living, its French-speaking population, and its established network of tax authorities, not for a zero tax rate.
In terms of timing, a six-month reverse planning period is a reasonable minimum. The first two months are for assessing the situation and choosing the permit, the next two for submitting the application and opening a bank account, and the last two for the actual departure and severing French ties. Compressing this timeline almost always results in an incomplete application at the time of inspection .
Testimony of an entrepreneur based in Mauritius
The head of a digital services company, this 43-year-old entrepreneur settled in Grand Baie after 12 years working in the Lyon region. He sums up the main lesson of his experience as follows: "I had prepared everything on the Mauritian side – the permit, the lease, the bank account – and nothing at all on the French side."
Her initial mistake concerned a specific point , and it almost proved costly. "My partner stayed in France for the first year to finish her contract, and I kept our apartment available; I was told that these two elements were sufficient to connect me to the French household."
The case was ultimately handled in reverse order, with the exit being addressed first before the arrival . "In the second year, we moved together, assigned the French lease, and transferred the majority of the assets; the day count became one argument among others, no longer the sole proof."
Frequently Asked Questions
Does an Occupation Permit automatically make me a Mauritian tax resident?
No. The permit authorizes you to live and work in Mauritius, but tax residency is determined by a presence test: 183 days in the tax year, or 270 days cumulatively over three tax years. A valid permit with only a few weeks of annual presence does not establish local tax residency .
Is the 270-day test over three years sufficient to leave France?
It may be sufficient to become a Mauritian resident, but it poses a significant risk to the French authorities. A presence of ninety days per year leaves nine months elsewhere, and the French administration may argue that your primary residence has remained in France. Stronger cases aim for the threshold of one hundred and eighty-three days .
Are my foreign earnings taxed in Mauritius?
For a resident individual, foreign-sourced income is only subject to Mauritian tax liability if it is remitted to Mauritius. This remittance system requires rigorous bank traceability and provides no information regarding potential taxation in the country of origin .
What happens if my spouse stays in France?
This is one of the most significant factors in determining whether a taxpayer is considered a resident of France under Article 4B. A spouse and children habitually residing in France frequently link the taxpayer to French tax residency, even if they hold a Mauritian permit and are physically present on the island. Each situation must be analyzed individually and warrants a review prior to departure.
Should the Mauritian company be created before or after departure?
The order depends on the chosen route, since both the investor and self-employed Occupation Permit routes require a local structure or activity. In most cases, company formation precedes or accompanies the permit application, while the severance of French ties follows. An incorrect sequence delays the entire process.
Does a Mauritian tax residence certificate protect against French tax audits?
It constitutes a useful document, particularly for invoking the France-Mauritius tax treaty, but it does not bind the French tax authorities in their assessment of domestic criteria. Only a coherent body of evidence, compiled from the outset, can support an effective exit from French tax residence .
Conclusion
Becoming a tax resident in Mauritius is simple on paper but demanding in practice. The presence test and the residence permit are the entry points, but the real difficulty lies on the French side, where four alternative criteria, taken individually, are sufficient to maintain French tax residency . Processing the arrival without processing the departure is tantamount to paying the costs of a single relocation twice.
Comparison with other jurisdictions remains entirely relevant, provided it is based on the right criteria. A transfer of tax residence to Singapore caters to different profiles than those best served by Mauritius, and the right decision is made based on income structure, asset composition, and the actual mobility of the household .
The thresholds, rates, and procedures mentioned in this article are publicly available and subject to change, and their scope depends entirely on your personal circumstances. Only an individual assessment can determine tax residency for a given situation, and no general answer can replace such an examination.
Are you considering moving to Mauritius and want to know if your application will be successful on both sides? You can request a personalized assessment from Coreway Consulting to have your residency requirements, permits, and financial structure reviewed before your departure.
