The provision of construction services of all kinds, in particular the execution of roofing, terrace flooring and sheet metal work, consulting, planning and service, planning and execution of building sealing of all kinds, trade in building products and the provision of services in this context. The company can 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 conclude contracts that are suitable to promote the purpose of the company or are directly or indirectly related to it. It can acquire, manage and sell properties and securities, as well as acquire or dispose of patents and licenses.