The core activity of Christian Gander Gestion Immobilière (CGGI) is real estate management and brokerage. This includes in particular: property management (Gérance), administration of homeowners' associations (PPE), real estate sales (Acheter), rental of properties (Louer), and the execution of renovation and construction work (travaux). The company thus offers a comprehensive range of services for private and institutional clients as well as for municipalities in the field of real estate economics.