Real estate management; business consulting, management, planning and supervision; providing business information, also via the internet, the cable network or other forms of data transfer; building management; providing information via a global computer network on the subject of building and facilities management; assessment and management of real estate; real estate management consultation; construction, repair, renovation and maintenance of buildings; construction, maintenance and renovation of property; construction consultancy; consultation in building construction supervision; construction management and supervision; construction planning; custom construction and building renovation; custom construction of homes; residential and building construction consulting; residential and commercial building construction; house and building demolition; house building and repair; providing information in the field of construction and real estate management services via the Internet