Luxembourg

LU · LUX · Europe · Last verified 28 Sep 2026

4 regulators · 5 instruments · 6 obligations · 1 upcoming deadline

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Commission de Surveillance du Secteur Financier CSSF

Official site
https://www.cssf.lu/en/
Established
1998
Constituting statute
Law of 23 December 1998 establishing a financial sector supervisory commission
Activity · 90 days Laws & circularsEnforcementNews
Circular amended — 27 Aug 2026

Who they are

The Commission de Surveillance du Secteur Financier (CSSF) is the regulator of the financial industry in Luxembourg, except for the insurance industry. CSSF is the regulatory authority for banks, investment funds, investment firms, market operators, payment institutions, and virtual asset service providers because CSSF is an independent regulatory authority, with supervision performed by the Ministry of Finance of Luxembourg. Commission de Surveillance du Secteur Financier (CSSF) is one of the reasons that have made Luxembourg one of the biggest financial centers in the world due to the transparency and stability of the country as well as the confidence of its people in CSSF services.

What they do

The CSSF ensures that the financial system of Luxembourg is safe and sound through the process of licensing, auditing, and regulating compliance among all credit institutions, investment firms, and investment funds that have been authorized to operate. As the prudential regulator, CSSF monitors the liquidity, risk management, and capital requirements of all the market players in order to prevent the occurrence of systemic risk and protect investors' money. The CSSF is the body that issues legally binding circulars, conducts on-site and off-site inspections, and applies administrative sanctions for violating the rules, such as imposing fines and revoking licenses. Apart from regulating the behavior of the market players, the CSSF acts as the key body for protecting consumers.

Key instruments issued

All laws from CSSF →

Deadlines owned by this regulator

Due Filing Frequency Industry Source
30 Oct 2026 CSSF regulatory reportingCSSF’s Reporting Regulation Frequency is a mandatory repeating cycle that is carried out monthly, quarterly, half-yearly, or yearly depending on the type of licensing of an organization and size of it Monthly Banking official

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Related regulators

Others in Luxembourg supervising overlapping sectors.