Execution of construction and civil engineering works and related planning activities, execution of plastering works, as well as purchase, sale, brokerage, construction, maintenance, rental and management of real estate. The company may establish branches and subsidiaries in Switzerland and abroad, participate in other companies in Switzerland and abroad, acquire, encumber, sell and manage real estate in Switzerland and abroad, provide financing for its own account or for third-party account, and grant guarantees and warranties for subsidiaries and third parties.