Realization of buildings of all kinds as general contractor; execution of construction work; planning and creation of new and renovation projects on own or third-party account; operation of a national and international transport company; buying, selling, exchanging and brokering of real estate; trade in goods in the construction sector; execution of building cleaning of all kinds and maintenance work on properties as well as taking over caretaker services; assumption and granting of representations, licenses, patents and trademarks in the area of the company's purpose; conducting real estate transactions, in particular acquisition, financing, management, rental and sale of real estate; purchase, management and sale of patents and licenses; participations.