Monaco has formally reinforced its commitment to international tax transparency with the signing of a revised agreement with the European Union in Brussels on 13 October 2025…
The ceremony marked the adoption of a new Protocol updating the existing arrangement on the automatic exchange of financial account information, aligning Monaco with the latest standards issued by the OECD in 2023.
The updated Protocol introduces enhanced reporting obligations, ensuring financial institutions in the Principality provide more detailed and timely data to partner jurisdictions. Andorra, San Marino and Liechtenstein signed similar updates on the same occasion, underlining a joint effort among Europe’s microstates to strengthen cooperation against tax fraud and evasion.
Representing Monaco, Pierre-André Chiappori, Minister of Finance and Economy, reaffirmed the Principality’s longstanding commitment to adopting the world’s most rigorous fiscal standards. While underlining Monaco’s sovereignty in tax matters, he stressed that transparency and responsibility remain key priorities in Monaco’s international policy.
Set to enter into force on 1 January 2026, the revised agreement reflects Monaco’s determination to maintain investor confidence while fully complying with global expectations. The collaboration with the EU — embodied by Mr Chiappori’s meeting with Thomas Gerassimos, Director-General of DG TAXUD — signals a unified approach to financial integrity across Europe.
