all heating, ventilation, air conditioning, sanitary, installation, repair and maintenance work; the installation of renewable energies; all administrative tasks and consulting services related to the purpose; the purchase and sale, import and export of all authorized goods. The company may also carry out, either on its own account or on behalf of third parties, all commercial, movable and financial transactions, directly or indirectly related to its purpose, in any form, including in the form of participations. The company may open branches in Switzerland and abroad, found or acquire any company pursuing a similar or complementary purpose. The company may grant loans or guarantees to associates or third parties.