Key Takeaways
- Economic substance regulations in Mauritius apply to entities carrying on defined relevant activities and earning related income streams.
- Meeting the substance test requires adequate employees, premises, and expenditure, with core income-generating activities conducted in or from Mauritius and the entity directed and managed locally.
- Pure holding companies and authorised companies are treated differently, so foreign owners should confirm which substance expectations apply to their structure.
- Failing the substance test carries defined consequences, making it important to evidence compliance through proper records and local management.
Understanding Economic Substance Regulations in Mauritius
Economic Substance Regulations in Mauritius set the conditions a company must meet before it can claim preferential tax treatment, chiefly the 80% Partial Exemption Regime that lowers the effective tax rate on certain income to 3%. The rules are not a standalone "ESR Act"; they sit inside the Income Tax Act 1995 and the Financial Services Act 2007, with the operative substance test found in Regulation 23D of the Income Tax Regulations 1996. They apply principally to entities holding a Global Business Licence, but the reach extends further than many foreign owners assume.
In plain terms, a company that wants the tax benefit must show it is genuinely run from Mauritius: real activities, real people, and real spending, all on the island. This article explains why the regime exists, who falls within it, what the substance test demands in practice, how to evidence compliance, and what happens if you fail. The guidance from the Financial Services Commission and the Mauritius Revenue Authority shapes how these tests are applied. It is most relevant to non-resident owners of Global Business Companies, fund structures, and holding vehicles that rely on Mauritius tax residence or treaty access.
Why the Economic Substance Regime Exists: BEPS and EU Pressure
The regime is a direct product of international tax reform, not a domestic policy choice. When the OECD launched its BEPS project in 2015, it began identifying regimes that eroded other countries' tax bases, and Actions 5 and 6 pushed jurisdictions to back tax incentives with genuine activity.
European pressure sharpened the response. The EU Code of Conduct Group issued guidance in June 2018 requiring jurisdictions to adopt substance rules or risk the blacklist of non-cooperative jurisdictions.
Mauritius signed the OECD Multilateral Instrument on 5 July 2017, deposited its ratification on 18 October 2019, and saw the instrument enter into force on 1 February 2020. Alongside these treaty steps, the island reworked its domestic law to align with BEPS Action 5.
The most visible change was the removal of the old deemed foreign tax credit, replaced by an 80% Partial Exemption Regime tied to substance. That reform earned the jurisdiction a place on the EU whitelist of cooperative jurisdictions, the outcome the reforms were designed to secure.
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The Legal Basis: Income Tax Act, FSA, and Regulation 23D
Two statutes carry the regime. The Income Tax Act 1995 governs the Partial Exemption Regime and the tax consequences, while the Financial Services Act 2007 governs licensing and the conduct of Global Business Companies.
The substance conditions themselves live in Regulation 23D(2) of the Income Tax Regulations 1996, inserted most significantly by the Income Tax (Amendment No. 2) Regulations 2019, dated 16 August 2019. That provision sets out three cumulative requirements: carrying out core income-generating activity in Mauritius, employing an adequate number of suitably qualified people, and incurring expenditure proportionate to the activity.
On the licensing side, the Finance Act 2018 amended Section 71 of the Financial Services Act to require that Global Business Companies carry out their core activity in or from Mauritius and be administered by a management company. The 80% exemption is provided under Item 7 of the Second Schedule to the Income Tax Act, available where the company is not an excluded financial institution and meets the three conditions.
Two interpretive documents matter in practice. The FSC issued a circular in October 2018 on substance for Global Business Companies, and the MRA published Statement of Practice SOP 22/21 in January 2021, clarifying how it assesses core activity and entitlement to the exemption.
The substance conditions are not a general filing duty owed by every company. They are the gate to the 80% Partial Exemption Regime; satisfy them and the benefit follows, fail them and the benefit is denied.
Which Entities Are In Scope and Out of Scope
All licensed Global Business Companies fall within the regime, regardless of what they do. The FSC tests management and control at the point of issuing or renewing the Global Business Licence, and that test is a mandatory licensing condition.
Under the tax law, only entities claiming preferential treatment must satisfy the substance conditions. A Supreme Court ruling in Alteo Energy Ltd v Assessment Review Committee [2025 SCJ 47] confirmed that the Partial Exemption Regime was designed to apply to all companies, not only Global Business Companies, meaning a domestic company that meets the conditions may also claim partial exemption on specified income.
Authorised Companies are treated more lightly. They hold no FSC licence, cannot access the Mauritius treaty network, and are not tax-resident on the island, so their substance burden is lower, though not absent.
| Entity type | Substance treatment |
|---|---|
| Global Business Company (GBC) | Full substance test at licensing and renewal |
| Authorised Company (AC) | Lighter requirements; effective management outside Mauritius |
| Domestic company claiming PER | In scope for substance scrutiny on exempt income |
An Authorised Company conducts its business principally outside Mauritius and keeps its effective management abroad. These vehicles are common for private investment holding, non-financial consultancy, and international trading; they may not carry on financial services activities.
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Relevant Activities and Income Streams That Trigger Substance
The Partial Exemption Regime attaches to specified income, not to a company's whole profit. The 80% exemption covers streams including management fees, performance bonuses, dividends, interest, and foreign-source income, producing an effective rate of 3% where the substance conditions are met.
Foreign-source dividends qualify only on conditions. The dividend must not have been deductible in the source country, and the company must satisfy the substance test.
For interest income, the regulations spell out the relevant activity: agreeing funding terms, setting the terms and duration of financing, monitoring and revising agreements, and managing the associated risks. A holding entity claiming exemption on foreign dividends must comply with its filing obligations under the Companies Act 2001 or the Financial Services Act and hold adequate resources to manage its participations.
The 2019 amendment regulations indicate the entity types expected to show substance, reaching activities such as investing funds in portfolios of securities, other financial assets, real property, or non-financial assets.
Core Income-Generating Activities (CIGA) Carried Out In or From Mauritius
Neither the Financial Services Act nor the Income Tax Act fixes a single statutory definition of core income-generating activity. SOP 22/21 describes it as the essential activities that generate the company's income, distinguishing those from non-core support functions, and the assessment runs case by case.
The regulations give worked examples by sector. For a Collective Investment Scheme manager, the activity covers managing the scheme, deciding on holding and selling investments, calculating risks and reserves, taking decisions on currency and interest movements and hedging, and preparing regulatory and investor reports.
Other categories carry their own descriptions:
- Collective Investment Scheme: investing funds in securities, other financial or non-financial assets, or real property; diversifying risk; redeeming on the holder's request.
- CIS Administrator: providing accounting, evaluation, or reporting services for a scheme's operations.
- Investment dealers: portfolio selection, risk assessment, and investment-strategy management performed locally.
- Insurance brokers: negotiating, placing, and managing insurance contracts on the island.
The word "includes" in the regulatory definition expands rather than confines, so the listed activities are illustrative and the regime can reach beyond them. Outsourcing is allowed, but only where the work is performed within the jurisdiction and the company demonstrates genuine monitoring and supervision; the same service provider's resources cannot be counted by several companies at once.
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The Substance Test: Adequate Employees, Premises, and Expenditure
Conducting core activity locally is necessary but not sufficient. The company must also employ, directly or indirectly, a reasonable number of suitably qualified people, and spend an amount commensurate with the scale of its activity.
The FSC's October 2018 guidance gives indicative figures. It references minimum employment of one to three personnel and a Minimum Level of Expenditure ranging from USD 12,000 to USD 100,000, set by activity and assessed case by case, with financial-services firms expected to spend more than non-financial holding vehicles.
| Activity type | Indicative staff | Indicative annual expenditure |
|---|---|---|
| Non-financial / holding | Lower end of 1–3 | From USD 12,000 |
| Financial (fund/asset managers) | Higher end of 1–3 | Up to USD 100,000 |
| Freeport operator at 3% rate | Minimum 5 staff | Over MUR 3.5 million |
Physical premises are not universally required for Global Business Companies, though a category identified in the FSC circular dated 23 December 2016 must hold premises to access certain tax holidays. Where an office is needed, it must be a genuine workspace where staff carry out their duties, not a mailbox or a virtual address.
The exemption is never automatic. A company must elect for it and keep documentation that substantiates its compliance with the three conditions.
Directed and Managed Locally: Management and Control in Mauritius
Beyond activity and expenditure, a Global Business Company must show that real direction happens on the island. The FSC examines whether the company keeps its principal bank account in Mauritius, holds board meetings with local directors present, maintains accounting records at the registered office, and prepares and audits its financial statements locally.
Two resident directors are required at all times, each of sufficient calibre to exercise independent judgement. This requirement was reinforced by Companies Act and Financial Services Act amendments effective 2025.
Board meetings must be held in Mauritius, with a majority of directors physically present or resident, and minutes must record the location and attendance. The FSC recommends at least two physical meetings each year.
Strategic decisions on direction, major investments, financial policy, and significant operations must be taken locally, with resident directors actively participating rather than rubber-stamping. Applicants must pass this management-and-control test to obtain a licence, and existing holders must apply to renew their Global Business Licence each year.
How Pure Holding Companies and Authorised Companies Are Treated
Pure equity holding companies face a lighter version of the test. A Global Business Company acting as a pure equity holding vehicle qualifies for the 80% exemption on foreign dividends where the dividend is not deductible at source, the company meets its corporate filing duties, and it holds adequate resources to manage its participations.
For such a vehicle, a qualified accountant and a director may be enough to satisfy the personnel element. The relief from full substance applies only to genuine equity holding; a company holding interest-bearing notes or other non-equity investments cannot rely on the reduced test.
Authorised Companies sit further out. They carry no FSC licence and no treaty access, so their requirements are lighter, but they must still appoint a licensed management company and file a financial summary with the FSC within six months of their balance sheet date.
Where an Authorised Company is owned from a jurisdiction that applies controlled foreign company rules, a complete absence of substance can prompt the shareholder's home authority to recharacterise the structure and tax its income there.
How to Meet and Evidence Economic Substance
Compliance is demonstrated through records filed with two authorities. A Global Business Company files yearly audited financial statements with the FSC within six months of its balance sheet date, and yearly income tax returns with the MRA within the same six-month window.
Accounts must follow IFRS. Before issuing or renewing a licence, the FSC reviews the nature and level of core activity, the staffing, and the expenditure; before granting a tax residence certificate or approving the exemption, the MRA carries out its own in-depth assessment of whether spending was genuinely incurred for core activity on the island.
In practice, evidencing substance means aligning governance with the rules:
- Appoint qualified resident directors who take material decisions locally.
- Hold and minute board meetings in Mauritius, recording attendance and location.
- Keep accounting and statutory records at the registered office.
- Prepare and audit financial statements on the island.
- Maintain expenditure and, where applicable, office space proportionate to the activity.
Filings reach different bodies through their own channels. Licence renewals and financial statements go to the Financial Services Commission, tax returns to the Mauritius Revenue Authority, and company statutory filings to the Corporate and Business Registration Department. The tax residence certificate is issued annually, and the MRA reviews substance each time it is granted.
Consequences of Failing the Substance Test
The penalties operate on two levels: licensing and tax. On the licensing side, the FSC can direct a company to cease part or all of its business, request information, conduct on-site inspections, and suspend, terminate, or revoke a licence. A guide from Forvis Mazars sets out how these enforcement powers operate in practice.
There is a specific administrative penalty for late filing of financial statements: USD 10 per business day, capped at USD 5,000, under FSC rules made pursuant to Section 93 of the Financial Services Act 2007.
On the tax side, the picture is different. There is no fixed statutory fine for substance non-compliance as such; instead, the company loses the 80% exemption, faces back-assessment at the full 15% corporate rate, and incurs MRA interest and penalties under the general tax provisions.
The wider fallout reaches beyond the tax bill:
- Refusal to renew the Global Business Licence, forcing the company to cease its activities.
- Loss of tax residence status and, with it, access to double taxation agreements.
- Recharacterisation of the entity by the shareholders' home tax authority under controlled foreign company rules.
- Reputational damage that complicates banking and future structuring.
Set against these risks is the running cost of substance itself: office rent, staff salaries, and administrative overhead that can weigh heavily on smaller entities.
Conclusion
Substance in Mauritius is a transaction: the 80% exemption is earned by genuine people, decisions, and spending on the island, and it disappears the moment those things are absent. A nameplate structure no longer works, and the cost of running real substance must be weighed honestly against the tax saving before any vehicle is set up or renewed.
The practical next step is to model that cost against the income you expect the exemption to shelter. If the saving does not comfortably exceed the price of staff, premises, and local management, the structure may not be worth maintaining in its current form.
How Expanship Can Help Your Business in Mauritius
Expanship helps foreign owners satisfy the substance conditions in practice, from arranging resident directors and qualified personnel to documenting local decision-making and meeting FSC and MRA filing deadlines, and our work extends across the wider compliance needs of a Mauritius entity.
- Company formation, including Global Business Companies and Authorised Companies
- Registered agent, management company, and local office arrangements
- Ongoing compliance and management of licence renewals and statutory filings
- Accounting and bookkeeping in line with IFRS reporting requirements
- Economic-substance support and beneficial-ownership reporting
- Introductions to banking partners for account opening
To discuss how the substance rules affect your structure, contact Expanship Mauritius.
Frequently Asked Questions
No. The substance conditions apply to entities claiming preferential tax treatment, principally Global Business Companies and any company seeking the 80% Partial Exemption Regime. A 2025 Supreme Court ruling confirmed that even domestic companies fall within scope if they claim partial exemption on specified income.
Where the substance conditions and core activity tests are satisfied, the 80% Partial Exemption Regime reduces the effective tax rate on covered income, such as foreign dividends, interest, and management fees, to 3%. Without that substance, the income is assessed at the full 15% corporate rate.
A Global Business Company must have at least two directors resident in Mauritius at all times, each of sufficient calibre to exercise independent judgement. Board meetings must be held locally, and the FSC recommends a minimum of two physical meetings per year.
The MRA may deny the 80% exemption and reassess the company at the full corporate rate, with interest and penalties under general tax rules. The FSC can separately refuse to renew the licence, direct the business to cease, or revoke the licence, and the structure may be recharacterised by the shareholders' home tax authority.
No. Authorised Companies hold no FSC licence, sit outside the treaty network, and carry lighter substance requirements, filing only a financial summary with the FSC within six months of their balance sheet date. They must still appoint a licensed management company and should keep some substance to avoid recharacterisation abroad.
Yes, but only where the outsourced work is performed within Mauritius. The company must demonstrate genuine monitoring and supervision of the provider, and a single provider's resources cannot be counted by multiple companies at the same time.
Legal Disclaimer
The information provided in this article is for general informational purposes only and does not constitute legal, tax, or professional advice. While we strive to ensure the accuracy and timeliness of the content, laws and regulations are subject to change, and the application of laws can vary widely based on specific facts and circumstances.
Readers should not act upon this information without seeking professional counsel tailored to their individual situation. Expanship and its authors disclaim any liability for actions taken or not taken based on the content of this article.
For specific advice regarding your business setup, compliance requirements, or any legal matters, please consult with qualified legal and tax professionals in the relevant jurisdiction.
