The operation of a design studio for thermal and sanitary systems. The execution, construction, management, and repair of thermal and sanitary systems. Site management, technical, commercial, and financial consulting in the field of thermal and sanitary systems and in the construction industry. The preparation of expert opinions. The purchase, sale, brokerage, administration, and management of real estate, the conclusion of general contractor contracts, and the acquisition of participations in other companies. The company will operate throughout Switzerland. The representation, import, export, sale, and purchase of products and accessories necessary for the fulfillment of the company's purpose. The company may open offices, warehouses, depots, and shops.