The operation of an engineering office for civil, structural, road and bridge construction, for water and wastewater treatment plants, for environmental protection facilities and other construction facilities, for building and HVAC energy consulting and building physics, and for construction management. The company may also establish branches and subsidiaries in Switzerland and abroad and participate in other companies in Switzerland and abroad. 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 guarantees and sureties for subsidiaries and third parties.