The core activity of Elektro Appenzeller AG is the provision of services in the field of electrical installations, including: electrical installations in new and renovation projects, e-mobility/charging stations, maintenance and repair work, low-voltage/multimedia installations, network/telematics and telecommunications, building automation, photovoltaic/solar systems, and planning and consulting. The company offers these services to a wide range of customers, from private households to large-scale construction projects, and operates a 24-hour emergency service.