Execution of construction work on superstructures and substructures, as well as construction work of all kinds, including plastering, concrete work, painting, tile laying, stone processing and carpentry. Import, exhibition and trade of goods and services in the construction sector. Site management, excavation and transport, transport of goods and materials on its own account and on behalf of third parties. The company may participate in other companies with a similar or analogous purpose. Activities are mainly carried out in Switzerland.