Execution of all types of construction projects as general contractor and turnkey contractor, planning, design of construction projects, in particular overall and general planning, assumption of construction and project management mandates, project management for construction projects, cost and schedule optimizations for construction projects, project analyses, cost studies, feasibility studies, project coordinations, client representations, overall management of client consortiums as well as financial, administrative and other services in the construction and real estate industry. Can participate in other companies, acquire, manage, broker and sell licenses, patents and other intangible assets as well as real estate, furthermore establish branches and subsidiaries domestically and abroad and generally conduct all business that is related to the purpose of the company or suitable to promote it.