The core activity of the company "Computer-Notruf SIS Software und Informatik Systeme AG" is the provision of IT services, in particular: emergency assistance and maintenance of computer systems, installation and configuration of hardware and software, network administration and installation, software installation and updates, employee training in the field of IT, outsourcing of EDV work, and subscription-based IT services. The company offers these services to both private individuals and businesses, and provides various contract models, such as outsourcing contracts and subscriptions.