Ahead of the 2012 presidential election, Folliot endorsed François Bayrou's candidacy as President of France.

[2] In 2013, Jean-Louis Borloo of the Union of Democrats and Independents (UDI) included Folliot in his shadow cabinet; in this capacity, he served as opposition counterpart to Minister of Defense Jean-Yves Le Drian.

[3] In the 2017 legislative election, Folliot claimed the banner of the presidential majority without being explicitly invested by La République En Marche!.

Following the election, he stood as a candidate for the National Assembly's presidency; in an internal vote within the LREM parliamentary group, he lost against François de Rugy.

[4] In July 2019, Folliot voted in favor of the French ratification of the European Union’s Comprehensive Economic and Trade Agreement (CETA) with Canada.