Commission de Surveillance du Secteur Financier (CSSF) | 44,425 followers on LinkedIn. CSSF | The Commission de Surveillance du Secteur Financier is a public institution which supervises the professionals and products of the Luxembourg financial sector. It supervises, regulates, authorises, informs, and, where appropriate, carries out on-site inspections and issues sanctions. Moreover, it is in charge of promoting transparency, simplicity and fairness in the markets of financial products and services and is responsible for the enforcement of laws on financial consumer protection and on the fight against money laundering and terrorist financing. ________________________________________ La Commission de Surveillance du Secteur Financier est un établissement public qui assure la surveillance des professionnels et des produits du secteur financier luxembourgeois.