Operation of a service company in the field of construction, installation, repair and renovation of buildings of all kinds, in particular in the areas of wooden, plastic or aluminum building elements; application of special films for interior design, sun and break-in protection; installation of windows, doors, etc.; interior finishing and drywall construction for ceilings and walls; glass and facade repairs and planning and installation of automatic doors; provision of IT services and training in the field of planning and project planning of buildings as well as trade in building materials and furniture of all kinds; participations; management of assets, in particular acquisition, financing, creation, management and disposal of properties; conducting patent and license transactions.