Manufacture, distribution and installation of windows and building components, as well as the performance of all related service and repair work. The company can buy and sell properties and real estate, rent, manage and develop them, as well as provide all related services, in particular in the field of real estate transactions of all kinds, finance and accounting, and other central services. It can establish branches and subsidiaries in Switzerland and abroad, participate in other companies in Switzerland and abroad, and acquire and exploit industrial property rights, intellectual property rights and know-how.