The core activity of Chiasso4net is the planning, construction and operation of fibre-optic networks (FTTH - Fibre To The Home) in specific regions of Switzerland, particularly in Chiasso, Vacallo, Morbio Inferiore and Balerna. The company provides the necessary infrastructure for telecommunications service providers to offer their services over these fibre-optic networks. Chiasso4net itself does not offer multimedia services, but rather focuses on providing the technical infrastructure.