Manthey-Racing GmbH is a company with more than one hundred employees. Manthey-Racing 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 company is also known for organising the VLN class Cayman GT4 Trophy by Manthey-Racing and for circuit-specific preparation of street-legal cars. The Porsche AG holds 51 percent of the shares in Manthey-Racing GmbH, which is run by the brothers Nicolas and Martin Raeder. The team is now entering the 2018 Blancpain GT Series season with its Porsche 911 GT3 R.