Purchase, sale, management and maintenance of real estate and all related tasks. May establish branches and subsidiaries in Switzerland and abroad and participate in other companies in Switzerland and abroad, as well as conduct all business directly or indirectly related to its purpose, acquire, encumber, sell and manage real estate in Switzerland and abroad, provide engineering services, and further provide financing for its own account or for third-party account, as well as grant guarantees and warranties for subsidiaries and third parties.