New CSSF Circular and Concepts Compilation for funds other than UCITS/MMF
The CSSF’s new circular and technical document, applicable from 19 December 2025, update the regulatory framework and provide insight into the CSSF’s interpretation of key fund concepts.
The CSSF provides guidance on the liquidity management tools in the context of the Ukraine crisis
In recent weeks, investment fund managers have been faced with the question of how to deal with Russian and Belarussian assets in their managed funds. The Commission de Surveillance du Secteur Financier (CSSF) has now published guidance on how to treat this situation.
Fund Administration Services
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CSSF Thematic Review on the implementation of sustainability-related provisions in the investment fund industry
The CSSF published a report of its Thematic Review on the implementation of sustainability-related provisions in the investment fund industry.
Performance fees: the CSSF digitalises data collection
Investment fund managers must report to the CSSF on the performance fee models used by all Luxembourg UCITS and AIFs that they manage. For this purpose, the CSSF has launched a special eDesk module for performance fees.
Changes to the CSSF’s fund authorisation process
The CSSF continues to optimise its fund authorisation process. To this purpose, it recently published information on certain procedural changes and new requirements. The adapted fund authorisation regime will apply from 16 August 2021.
UIV Fund Management and Arendt Investor Services appointed to support three impact private equity funds
UIV Fund Management (UIV) has been appointed as portfolio advisor to OASIS Energy Transition Fund, Financial Inclusion Fund I, and Financial Inclusion Fund II, supporting the funds during their liquidation phase.
Real Estate investment in Luxembourg
Luxembourg’s real estate market is evolving, shaped by increased investment, regulatory change and the influence of key industry players. At Arendt, we’re here to guide you through this complex maze with clarity and confidence.
CSSF announces priority processing procedure for name changes and disclosure updates in light of adopted Guidelines on funds’ names
The CSSF has informed market participants of the publication of Circular CSSF 24/863, thus implementing the ESMA Guidelines on funds’ names into the Luxembourg regulatory framework. In that context, the CSSF has established a priority processing procedure for existing UCITS and AIFs that limit the updates to their issuing document/prospectus to amendments required in the context of the Guidelines.
Debt funds – Easing access to finance by harmonising the EU regulatory framework for loan origination funds
The amendments proposed by the EU Commission aim to harmonise the regulatory framework for loan origination AIFs within the EU, and simultaneously to promote loan origination AIFs to EU companies as an alternative source of financing.
Structuring & Market Trends in Private Funds
Fund launches are taking longer, investor scrutiny is higher and distribution choices are more complex. In this context, structuring decisions are no longer just legal or technical, they are commercial. Arendt has contributed to the LPEA Structuring & Market Trends Paper (December 2025), alongside other members of the LPEA Private Funds Committee. The publication brings together market data, industry feedback and hands-on experience from across the Luxembourg private funds ecosystem.
Cross-Border Distribution
Navigating the regulatory landscape in the marketing and fund distribution environment: balancing business efficiency and regulatory compliance across fund distribution, marketing and risk oversight
ESMA publishes its Final Report on Guidelines on funds’ names using ESG or sustainability-related terms
On 14 May 2024, ESMA released its final report on the guidelines on funds’ names using ESG or sustainability-related terms, which also include a minimum investment threshold and qualifying criteria for different categories of ESG- and sustainability-related terms.
ELTIF – European Long-Term Investment Fund
learn more about the ELTIF regime for alternative investment funds
New CSSF Circular on NAV errors, non-compliance with investment rules and other errors concerning UCIs
On 29 March 2024, the CSSF published Circular CSSF 24/856 on the investor protection in case of a NAV calculation error, a non-compliance with investment rules and other errors at the level of a UCI Circular.
Private equity experts in Luxembourg
Your strategic partner for private equity in Luxembourg: legal, regulatory, tax and business advisory services across the full fund lifecycle.We combine in-depth local expertise with a global perspective to support private equity sponsors and investors in meeting complex demands, accelerating fundraising processes and structuring efficient cross-border transactions. Whether launching a fund, managing assets or preparing for an exit, our integrated team delivers practical, forward-thinking advice aligned with your goals.
Modernising the Luxembourg fund toolbox
Luxembourg further increases the attractiveness and competitiveness of its financial centre through targeted improvements to the Luxembourg fund rules.