Management of a planning and client support company, particularly for the design, tendering, and execution of infrastructure projects in the fields of civil and tunnel engineering. Can establish branches and subsidiaries domestically and abroad, invest in other companies domestically and abroad, and conduct all business activities directly or indirectly related to its purpose. Furthermore, can acquire, encumber, dispose of, and manage real estate domestically and abroad, as well as provide financing for its own or third-party accounts, and issue guarantees and bonds for subsidiaries and third parties.