Provision of construction services on its own account or on behalf of third parties, in particular construction management, consulting, project management, calculations and business management as well as execution of construction work and trade in goods of all kinds. May establish branches and subsidiaries in Switzerland and abroad, participate in other companies, acquire similar companies and merge with them, acquire, manage and sell properties, patents and licenses, and conduct all business and enter into contracts that are directly or indirectly related to its purpose or are suitable for promoting it.