Provision of comprehensive services, including consulting, planning and execution of all kinds in the construction industry, including wholesale and retail trade of building materials, technical equipment and infrastructure goods, as well as real estate trade. In the course of business, all legal transactions can be carried out that are suitable for promoting the company's purpose or are directly or indirectly related to it. In particular, participations in other companies operating in a related field of business as well as real estate can be acquired or sold.