With its partners in the housing industry, the Tele Columbus Group implements customized cooperation models and modern digital value-added services such as telemetry and tenant portals. As a full-service partner for municipalities and regional suppliers, the company is driving forward the fiber-optic-based infrastructure and broadband expansion in Germany. In the business customer area, carrier services and corporate solutions are also provided on the basis of the company's own fiber optic network. Tele Columbus AG, with its headquarters in Berlin and branches in Leipzig, Unterföhring, Hamburg, Ratingen and Chemnitz, has been listed on the regulated market (Prime Standard) of the Frankfurt Stock Exchange since January 2015.