, then President of the
European Central Bank as elected speaker of the yearly report Tremosa was leader of the list as independent candidate for the Catalan party Convergència i Unió (CiU) and was elected MEP at the
European Parliament in the
2009 European elections. He has since been serving on the
Committee on Economic and Monetary Affairs. In this capacity, he drafted reports on the supervision of the European financial system (2010), the report of the
European Central Bank (2011) and competition (2012). Between 2009 and 2014 Tremosa also served as a substitute on the
Committee on Transport and Tourism, where he actively took part in the debates about the Mediterranean Corridor, the
Single European Railway Directive (2012) and the discussions about a common agrarian policy. In May 2014 Tremosa was re-elected. In 2014, he co-sponsored (with
Andreas Schwab) a non-binding bill before the European Parliament calling on the
European Commission to consider separating
Google’s search-engine business from its other commercial activities to ensure fair competition on the internet. He currently serves as the Parliament's
rapporteur on the annual report of the
European Central Bank. From 2016 until 2017, Tremosa was part of the Parliament's Committee of Inquiry into Money Laundering, Tax Avoidance and Tax Evasion (PANA) that investigated the
Panama Papers revelations and tax avoidance schemes more broadly. From 2021 to 2024, he was a member of the
Catalan Parliament, and from 2023 to 2024, a member of
Barcelona City Council. ==Other activities==