Planning and execution of sanitary installations, heating systems, ventilation systems and all building technical systems, in particular solar and photovoltaic systems. Provision of services in pipeline construction and creation of water supply systems. The company may establish branches in Switzerland and abroad, participate in other companies in Switzerland and abroad, acquire or merge with similar or related companies, and enter into all transactions and contracts that are suitable to promote the purpose of the company or are directly or indirectly related to it. It may acquire, manage, encumber and dispose of real estate, intellectual property rights and licenses of all kinds.