The core activity of Nansys Informatik GmbH is the provision of IT services for small and medium-sized enterprises (SMEs) as well as private individuals in Switzerland. This includes in particular: IT consulting, installation and maintenance of computer systems, server administration and maintenance, security services (WLAN, network, firewall, etc.), development and maintenance of websites, and support and training for computer users. For private individuals, the company also offers individualized computer support and training to facilitate the use of computers and alleviate fears.