The company provides engineering and planning services in the field of energy and building technology. The company also operates as a general contractor for energy and building technology work as well as construction and civil engineering work. 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 the account of third parties, as well as provide guarantees and sureties for subsidiaries and third parties.