The core activity of ctek AG is to provide services and solutions in the field of information and communication technology (ICT), particularly in the areas of: Internet services (web hosting, mail hosting, V-server, hosted exchange, net backup), internet access and connection, virtual workplaces and VoIP communication, IT consulting and support, development and implementation of internet projects, network setup and operation, telephony and TV services, and domain management. The company positions itself as a full-service provider for companies that want to efficiently and securely shape their digital presence and communication.