C3 Creative Code and Content is a German media agency and digital agency for content marketing , corporate publishing and editorial design. It was created in January 2015 from the merger of KircherBurkhardt (Berlin) and Burda Creative Group (Munich). C3 is Europe's leading content marketing network with locations in Berlin, Munich, Hamburg, Stuttgart, Zurich, Frankfurt, London, Prague and Ljubljana as well as more than EUR 100 million.