Provision of services in the fields of maintenance, cleaning, planning and execution of building technology and sanitary work. Installation of heating, air conditioning and ventilation systems as well as trade in related products and equipment. The company may establish branches in Switzerland and abroad, participate in other companies in Switzerland and abroad, acquire similar or related companies or merge with them, and enter into all transactions and conclude 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.