The company's purpose is to provide services in the field of building technology, in particular the execution and installation of ventilation systems and ventilation technology, the execution of maintenance work in this area and all activities related thereto. The company may establish branches, participate in other companies in Switzerland and abroad, acquire other companies or sell acquired companies, and arrange financing for its own account or for the account of third parties. The company may also conduct all business that is directly or indirectly related to its purpose.