The study, design, installation, commissioning, maintenance, and troubleshooting of electrical, air conditioning, ventilation, heating, and sanitary systems. It also operates in the fields of renewable energies, home automation, computer networks and telecommunications, as well as security systems. The company can establish branches and subsidiaries in Switzerland and abroad and take stakes in other companies in Switzerland and abroad as well as carry out all operations that are directly or indirectly related to its corporate purpose. The company can acquire, mortgage, sell, and manage real estate. It can arrange financing on its own account or on behalf of third parties as well as provide guarantees and securities to its subsidiaries and to third parties.