Luxembourg, alongside several smaller EU member states including Ireland, Belgium, and Malta, has successfully defended its financial services sector—especially the investment fund industry—from greater oversight by the European Securities and Markets Authority (ESMA) and notably from the further development of  the EU’s Capital Markets Union (CMU). Among the most contentious measures in the proposed reforms is the introduction of a single market passport for depositary services, which is viewed unfavourably by Luxembourg and other smaller EU member states with specialized financial niches.

These efforts to centralize financial market regulation have been strongly resisted by Luxembourg, which argues that a unified supervisory framework would undermine national competitiveness and fail to address the diverse funding challenges posed by the wide range of financial products and regulatory systems across Europe. While the proposed changes are seen as a step towards deeper integration, they fall short of the more ambitious goals of larger countries such as France, which has advocated for ESMA to be transformed into a more powerful central regulatory authority.

Luxembourg has maintained a firm stance, asserting that the incomplete integration of the EU’s financial markets, particularly in sectors like investment funds, is not due to deficiencies in its regulatory framework but rather due to protectionist practices in other EU countries. The country’s financial sector, which represents around a quarter of its economy, continues to thrive under a market-friendly regulatory environment and an accommodating tax system. Luxembourg’s investment fund industry, a key pillar of its financial services sector, not only flourishes within the EU but has also successfully expanded its reach into critical international markets.