Manthey Racing GmbH is a company with more than 250 employees. Manthey came to international attention thanks to its activities in the VLN Endurance Championship Nürburgring, the WEC sports car world championship and other racing events. The company has been responsible for running GT works competition for Porsche Motorsport since 2013. The Porsche AG holds 51 percent of the shares in Manthey Racing GmbH, which is run by the brothers Nicolas and Martin Raeder.