A member of The Republicans (LR), he has also held a seat in the Departmental Council of Loire for the canton of Renaison since 2021.
In parliament, Vermorel-Marques has been serving on the Committee on Sustainable Development, Spatial and Regional Planning.
[2] In addition to his committee assignments, Vermorel-Marques is part of the parliamentary friendship groups with India, Portugal, Switzerland and Togo.
[3] Ahead of the Republicans’ 2022 convention, Vermorel-Marques endorsed Bruno Retailleau as the party’s chairman;[4] however, Éric Ciotti won the vote.
In 2023, Ciotti appointed him as member of his shadow cabinet and put him in charge of environmental policy.