Provision of services in the field of architecture and engineering, in particular construction management, project controls and consulting for high-rise and civil engineering projects for builders of all kinds. May establish branches and subsidiaries in Switzerland and abroad, participate in other companies in Switzerland and abroad, conduct all business that is directly or indirectly related to its purpose or complements it, acquire, encumber, sell and manage real estate in Switzerland and abroad, arrange financing for its own account or for the account of third parties, and provide guarantees and sureties for subsidiaries and third parties.