The execution of sanitary, sheet metal, central heating, ventilation and air conditioning systems, swimming pools, water treatment and purification systems, waterproofing of flat roofs, irrigation systems, solar and alternative energy systems. The sale of materials for sheet metal work, heating systems, sanitary systems and related products, the sale of tiles. The execution of general contracting work. The company may open branches and subsidiaries in Switzerland and abroad and participate in other companies in Switzerland and abroad. The company may acquire, own and sell real estate. The company may also carry out all commercial, financial or other activities that are related to the purpose of the company.