RAIF Law Luxembourg 2016: The Complete Guide to the Reserved Alternative Investment Fund
The Luxembourg Reserved Alternative Investment Fund (RAIF) was introduced by the law of 23 July 2016, marking a pivotal moment in the evolution of the Grand Duchy’s investment fund landscape. Designed to combine the structural flexibility of an unregulated vehicle with the robust legal framework of the Alternative Investment Fund Managers Directive (AIFMD), the RAIF quickly became a vehicle of choice for institutional and well-informed investors seeking speed to market and cost efficiency. By avoiding direct supervision by the Commission de Surveillance du Secteur Financier (CSSF), the RAIF offers a streamlined launch process while still benefiting from the AIFMD passport and Luxembourg’s extensive double tax treaty network.
Since its inception, the RAIF has experienced exponential growth, with over 1,500 RAIFs established by 2023, representing assets under management exceeding €250 billion. This success is rooted in the 2016 law’s ability to provide a versatile, tax-efficient, and investor-friendly structure for a wide range of alternative investment strategies, from private equity and real estate to debt funds and infrastructure. In this comprehensive guide, Lerusse Merckx & Partners breaks down the legal, tax, and practical aspects of the RAIF law Luxembourg 2016, offering expert insights for fund managers, investors, and advisors navigating this dynamic regime.
The Genesis of the RAIF: Why Luxembourg Introduced the 2016 Law
Before the RAIF, alternative investment fund managers in Luxembourg had to choose between regulated fund vehicles—such as the Specialised Investment Fund (SIF) or the SICAR—and completely unregulated structures. Regulated funds offered the advantage of the AIFMD passport, enabling cross-border marketing to professional investors across the European Union, but they required prior CSSF approval, which could take several months. Unregulated structures, on the other hand, could be set up quickly but lacked the passport and the credibility of a supervised regime. The RAIF was conceived to bridge this gap: a fund that is not directly regulated by the CSSF but is managed by an authorized AIFM, thereby indirectly benefiting from the AIFMD passport.
The law of 23 July 2016 introduced the RAIF as a new category of alternative investment fund (AIF) under Luxembourg law. It is not subject to CSSF product regulation, meaning no prior approval is needed for its establishment or for amendments to its constitutional documents. However, it must be managed by an authorized AIFM, which ensures compliance with the AIFMD’s risk management, liquidity, and reporting requirements. This innovative approach allowed Luxembourg to offer a vehicle that could be launched in a matter of weeks rather than months, significantly reducing time-to-market for fund initiators. For a deeper dive into the legal form and structuring options, see our Luxembourg RAIF Legal Form: A Complete Guide for Fund Managers 2026.
The 2016 law also aligned the RAIF with existing Luxembourg fund regimes in terms of eligible assets, investor categories, and tax treatment, ensuring a seamless integration into the country’s fund ecosystem. By leveraging the AIFM’s authorization, the RAIF can be marketed to professional investors throughout the EU under the AIFMD passport, making it a powerful tool for cross-border fundraising. The law’s introduction was a direct response to market demand for a faster, more cost-effective alternative to the SIF and SICAR, and it has since become one of the most popular fund vehicles in Luxembourg.
Key Features of the Luxembourg RAIF Under the 2016 Law
The RAIF is characterized by its remarkable flexibility. It can be structured in various legal forms, including the common limited company (S.à r.l. or S.A.), the special limited partnership (SCSp), or the common limited partnership (SCS), and can be set up as an umbrella fund with multiple sub-funds. It is open to a broad range of eligible assets, such as private equity, real estate, debt instruments, hedge fund strategies, and infrastructure, with no investment restrictions beyond those imposed by the AIFM’s risk management policies. The minimum investment per investor is typically €125,000, or the equivalent in another currency, ensuring that only well-informed investors participate.
Crucially, the RAIF is reserved for well-informed investors, defined as institutional investors, professional investors, or any other investor who meets the criteria of a well-informed investor under the Luxembourg law of 13 February 2007. This includes individuals who invest at least €125,000 and have the expertise to understand the risks. The RAIF is not subject to CSSF product supervision, but it must appoint a depositary and an authorized AIFM, which can be established in Luxembourg or another EU member state. The AIFM is responsible for ensuring compliance with the AIFMD, including reporting, risk management, and valuation procedures. For a complete overview of the regulatory framework, refer to our RAIF Law Luxembourg: The Complete Legal and Tax Guide 2026.
Another key feature is the ability to use the RAIF for a wide range of investment strategies without the need for CSSF approval of the offering document. The constitutional documents, such as the management regulations or the limited partnership agreement, must be drafted in compliance with the law, but they do not require prior regulatory review. This allows for rapid adaptation to market conditions and investor demands. The RAIF can also be converted from an existing unregulated vehicle or from a SIF/SICAR, providing additional flexibility for fund managers looking to optimize their structures.
Eligible Investors and Marketing Passport
The RAIF is exclusively for well-informed investors, a category that includes professional clients under MiFID II, eligible counterparties, and any investor who confirms in writing that they are a well-informed investor and either invests at least €125,000 or provides a certificate from a credit institution, investment firm, or management company attesting to their expertise. This restriction ensures that the RAIF remains a vehicle for sophisticated investors, aligning with the AIFMD’s focus on professional markets. The AIFMD passport allows the RAIF to be marketed to professional investors across the EU, provided the AIFM is authorized in an EU member state. This passport is a significant advantage over completely unregulated funds, which cannot benefit from cross-border marketing rights.
Tax Regime and Advantages of the RAIF
The RAIF benefits from a highly attractive tax regime that is largely aligned with the SIF and SICAR. It is exempt from corporate income tax, municipal business tax, and net wealth tax in Luxembourg. Instead, it is subject to an annual subscription tax (taxe d’abonnement) calculated on its net assets. The standard rate is 0.01% per annum, but certain categories of assets, such as cash and cash equivalents, may be exempt. For RAIFs investing in risk capital (private equity, venture capital), the subscription tax can be reduced to 0% if the fund meets specific criteria, similar to the SICAR regime. This tax efficiency makes the RAIF particularly appealing for long-term investment strategies.
In addition, the RAIF is generally exempt from VAT on management services, and it can benefit from Luxembourg’s extensive network of double tax treaties, depending on its legal form and structuring. For example, a RAIF structured as a corporate entity (S.à r.l. or S.A.) may access treaty benefits, while a tax-transparent partnership (SCSp) may be treated as fiscally transparent, allowing investors to claim treaty benefits directly. The RAIF is also not subject to withholding tax on distributions, except where the Luxembourg law of 23 December 2005 (the “Relibi Law”) applies to interest payments. For a detailed analysis of the tax implications, see our RAIF Luxembourg Regulated: Complete Legal and Tax Guide.
Compared to the SICAR, which is subject to a 0.01% subscription tax but can be fully exempt if it qualifies as a risk capital investment company, the RAIF offers similar tax benefits without the need for CSSF approval. The RAIF’s tax transparency options also make it a powerful tool for international tax planning, particularly for investors from jurisdictions with favorable tax treaties with Luxembourg. The absence of corporate income tax and the low subscription tax rate ensure that returns are maximized for investors, reinforcing Luxembourg’s position as a premier fund domicile.
Subscription Tax and Exemptions
The annual subscription tax is the primary tax burden for a RAIF. It is calculated on the net asset value (NAV) at the end of each quarter and is payable quarterly. The standard rate is 0.01%, but for RAIFs that exclusively invest in risk capital, the rate can be reduced to 0% if the fund’s constitutional documents restrict its investment policy to risk capital and the fund does not invest in financial instruments other than those directly related to risk capital. This exemption is subject to certain conditions and must be carefully structured to avoid disqualification. Additionally, assets held in cash or cash equivalents pending investment are exempt from the subscription tax, providing further relief during the ramp-up phase.
Setting Up a RAIF in Luxembourg: Practical Steps and Timeline
One of the primary advantages of the RAIF is the speed of establishment. Since no CSSF approval is required, a RAIF can be set up in as little as 4 to 6 weeks, compared to 3 to 6 months for a regulated SIF or SICAR. The process involves drafting the constitutional documents (management regulations for a corporate RAIF or limited partnership agreement for a partnership RAIF), appointing an authorized AIFM, a depositary, and a central administration, and then notarizing the incorporation deed. The RAIF must be registered with the Luxembourg Trade and Companies Register (RCS) and, if it is a partnership, the limited partnership agreement must be filed with the RCS to be enforceable against third parties.
The key service providers—AIFM, depositary, and central administration—must be in place before the RAIF can commence activities. The AIFM is responsible for portfolio management and risk management, while the depositary safeguards the assets and oversees cash flows. The central administration handles NAV calculation, transfer agency, and regulatory reporting. Although the RAIF is not directly supervised by the CSSF, the AIFM must report to the CSSF on the RAIF’s activities, including annual reports, investor disclosures, and any material changes. For a step-by-step guide on structuring, refer to our RAIF Luxembourg: The Flexible Alternative Investment Fund Vehicle.
The constitutional documents must include detailed information on the investment policy, risk profile, fees, and investor rights. While no CSSF approval is needed, the documents must comply with the RAIF law and the AIFMD. It is highly recommended to engage experienced legal counsel to ensure compliance and to draft robust documentation that protects both the fund and its investors. The RAIF can be structured as a single fund or an umbrella fund with multiple sub-funds, each with segregated assets and liabilities, offering additional flexibility for multi-strategy platforms.
Required Documentation and Service Providers
The core documents for a RAIF include the management regulations (for a corporate form) or the limited partnership agreement (for a partnership), the AIFM agreement, the depositary agreement, and the central administration agreement. Additionally, a prospectus or offering memorandum is typically prepared for investors, although it is not subject to CSSF approval. The AIFM must be authorized under the AIFMD and can be a Luxembourg-based AIFM or an EU AIFM. The depositary must be a Luxembourg-based credit institution or a professional depositary of financial instruments. The central administration is usually provided by a Luxembourg-based service provider. All agreements must be in place before the RAIF can accept subscriptions.
RAIF vs. Other Luxembourg Investment Vehicles: A Comparative Analysis
The RAIF is often compared to the SIF and the SICAR, the two main regulated alternative investment fund vehicles in Luxembourg. The SIF is a regulated fund that requires CSSF approval and is subject to ongoing supervision, but it can be marketed to a broader range of investors, including retail investors under certain conditions. The SICAR is a regulated vehicle designed specifically for risk capital investments, with a similar tax regime but stricter investment restrictions. The RAIF, by contrast, offers the same tax benefits and investment flexibility as the SIF but without the regulatory burden, making it faster and cheaper to launch. However, the RAIF is limited to well-informed investors, whereas the SIF can also target retail investors if it meets additional requirements.
Another key difference is the marketing passport. Both the RAIF and the SIF can benefit from the AIFMD passport when managed by an authorized AIFM, but the SIF can also be marketed under the UCITS passport if it qualifies as a UCITS (which is rare for alternative strategies). The SICAR, on the other hand, does not automatically benefit from the AIFMD passport unless it is managed by an AIFM. The RAIF’s ability to be set up as a tax-transparent partnership (SCSp) is a significant advantage over the SICAR, which must be a corporate entity. For a detailed comparison between RAIF and SICAR, see our Luxembourg SICAR RAIF: Complete Legal and Tax Guide.
When choosing between these vehicles, fund managers should consider their target investor base, desired speed to market, and regulatory preferences. The RAIF is ideal for institutional and professional investors who do not require the additional investor protection of a regulated product. It is also the preferred choice for fund managers who already have an authorized AIFM and want to minimize setup costs and time. The SIF remains relevant for funds that may target a wider investor base or that prefer the credibility of a CSSF-supervised product. The SICAR is specifically tailored for pure risk capital strategies and offers a slightly different tax exemption mechanism.
The Future of the RAIF: Post-2016 Developments and Market Trends
Since the introduction of the RAIF law in 2016, the vehicle has seen remarkable adoption. By the end of 2022, over 1,500 RAIFs had been established, with total net assets exceeding €250 billion, according to the Association of the Luxembourg Fund Industry (ALFI). This growth has been driven by the RAIF’s versatility and the increasing demand for alternative investments. The RAIF has become the vehicle of choice for private equity, real estate, and debt funds, as well as for emerging strategies such as infrastructure and renewable energy. The ability to launch a fund in weeks rather than months has proven critical in a fast-moving market environment.
Looking ahead, the RAIF is expected to continue its growth trajectory, particularly as Luxembourg adapts to evolving EU regulations. The introduction of the ELTIF 2.0 regime and the ongoing review of the AIFMD may further enhance the RAIF’s attractiveness. Additionally, the RAIF has benefited from Brexit, as many UK-based fund managers have established Luxembourg AIFMs and RAIFs to maintain access to EU investors. The Luxembourg government and the CSSF have also shown a commitment to maintaining a competitive and innovative fund environment, with regular updates to the RAIF law to address market needs. For the latest legal and tax developments, consult our RAIF Law Luxembourg: The Complete Legal and Tax Guide 2026.
The RAIF’s success has also spurred the development of related service provider ecosystems, with many law firms, administrators, and depositaries offering specialized RAIF solutions. As the market matures, we expect to see further innovation in RAIF structuring, including the use of RAIFs for tokenized assets and ESG-focused strategies. The 2016 law laid a solid foundation, and the RAIF is now firmly established as a cornerstone of Luxembourg’s alternative investment fund industry.
Questions fréquentes (FAQ)
What is the RAIF law in Luxembourg?
The RAIF law refers to the Luxembourg law of 23 July 2016, which introduced the Reserved Alternative Investment Fund (RAIF). It is a legal framework for an unregulated alternative investment fund that must be managed by an authorized AIFM, allowing it to benefit from the AIFMD passport without direct CSSF supervision.
How does the RAIF differ from a SIF or SICAR?
The RAIF is not directly regulated by the CSSF, unlike the SIF and SICAR, which require prior approval and ongoing supervision. The RAIF can be set up faster (4-6 weeks vs. 3-6 months) and is limited to well-informed investors, whereas the SIF can target a broader investor base. The SICAR is specifically for risk capital investments, while the RAIF has no investment restrictions.
What are the tax benefits of a Luxembourg RAIF?
The RAIF is exempt from corporate income tax, municipal business tax, and net wealth tax. It is subject to an annual subscription tax of 0.01% on net assets, with a possible 0% rate for risk capital investments. It also benefits from VAT exemption on management services and access to Luxembourg’s double tax treaty network.
Who can invest in a RAIF?
The RAIF is reserved for well-informed investors, which includes institutional investors, professional investors, and individuals who invest at least €125,000 and confirm their understanding of the risks. It is not available to retail investors.
How long does it take to set up a RAIF in Luxembourg?
A RAIF can typically be established in 4 to 6 weeks, as no CSSF approval is required. The timeline depends on the complexity of the structure and the readiness of the service providers (AIFM, depositary, central administration).
The RAIF law Luxembourg 2016 has revolutionized the alternative investment fund landscape by offering a fast, flexible, and tax-efficient vehicle that combines the best of regulated and unregulated worlds. Its success is evident in the thousands of RAIFs launched and the hundreds of billions in assets under management. For fund managers seeking to capitalize on the RAIF’s advantages, expert legal and tax guidance is essential to navigate the structuring, documentation, and compliance requirements.
At Lerusse Merckx & Partners, our team of experienced fund lawyers provides comprehensive support for RAIF establishment, from initial structuring to ongoing regulatory compliance. Whether you are launching a new fund or converting an existing structure, we offer tailored solutions to meet your business objectives. Contact us today to schedule a consultation and discover how the RAIF can accelerate your alternative investment strategy.
Contact Lerusse Merckx & Partners for expert advice on RAIF structuring and compliance. Our team is ready to assist you in launching your fund efficiently and in full compliance with Luxembourg law.
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