Plaion GmbH (formerly Koch Media) is an Austrian media company headquartered in Höfen, Tyrol, with additional offices in Planegg, Germany. It was founded in 1994 by Franz Koch and Klemens Kundratitz. The company operates video game publishing labels Deep Silver, Prime Matter and Ravenscourt, the video game developers Warhorse Studios and Milestone, as well as a film distribution arm, Plaion Pictures. Koch Media’s parent company, Koch Media Holding, was acquired by Swedish holding company Embracer Group (then known as THQ Nordic AB) in February 2018.