Management of an engineering and planning office, execution of all related work, design, planning and construction of residential, office, commercial and industrial buildings, buying and selling of real estate as well as brokerage and management of properties. 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, as well as provide guarantees and sureties for subsidiaries and third parties.