Execution of architectural, construction management and planning work, research and development in the field of building and design, as well as acquisition, management and disposal of patents and licenses. May establish branches and subsidiaries in Switzerland and abroad, participate in other companies in Switzerland and abroad, and conduct all business directly or indirectly related to its purpose, acquire, encumber, sell and manage real estate in Switzerland and abroad, arrange financing for its own account or for third-party account, and provide guarantees and sureties for subsidiaries and third parties.