​He became highly sought after as a portrait painter and was commissioned to paint important persons, including King Albert Ier (in 1927) of Belgium as well as Queen Elizabeth of Belgium. Madyol also painted landscapes and portraits in Brazil and painted landscapes with figures while in Nice.  He was the co-founder of art group, “Cercle Le Labeur."

​Madyol exhibited at important art venues, including at the “L’Exposition Treinnale d’Anvers”(1901), in Brussels (1907) and at the Worlds Fair and the International Fair de Bruxelles(1910). In 1931, he exhibited with Le Cercle Artistique et Literaire de Bruxelles.

Today, Jacques Madyol’s works can be found in private and public collections including at the Musee de l’Armee in Brussels.