Provision of services in the construction sector, in particular in the area of construction and project management; assumption and execution of total and general contractor mandates and construction trust mandates as well as related activities such as construction management, construction consulting, building valuation and expert opinions; brokerage, development and management of properties; trade in building materials and construction materials as well as other goods of all kinds; brokerage of financial transactions; participations; acquisition, holding and disposal of properties as well as copyrights, patents and licenses of all kinds.