Operation of a general construction company, which in particular buys and sells properties and real estate, and acts as an intermediary. The company may establish branches and subsidiaries in Switzerland and abroad, and participate in other companies in Switzerland and abroad, as well as conduct all business that is directly or indirectly related to its purpose. The company may acquire, encumber, sell and manage real estate in Switzerland and abroad. It may also provide financing for its own account or for third-party account, and grant guarantees and sureties for subsidiaries and third parties.