Optimum Immobilier supports the companies of the Optimum Group in their real estate needs and ensures the preservation and enhancement of the Group's real estate assets in Canada, the United States, France, and the Caribbean. In the United States, the company manages a building in Texas and properties in Florida. In France, Optifranc S.A.S. primarily owns a building in the 8th arrondissement of Paris, while Norbec S.A.S. holds the Domaine du Tremblay in Normandy. Additionally, Optimum Caraïbes S.A.S. owns seven luxury villas on the island of Saint Martin available for rent.