The London-based international sports marketing agency has had a 19-year relationship with the circuit and already managed the circuit's Grand Prix promotional and media activities.
The new contract will run for a minimum of three years.
The KHP-designed campaign will include the promotion of their price policy, the communication of a wider entertainment programme, radio spots, street promotions, the creation of a Hockenheim-Ring song by young talents and special events for the press and VIP's.
The agency also carries out marketing and communications functions for the Shanghai International Circuit and Bahrain International Circuit.
