[7][8] A film division, Koch Home Entertainment, was announced in June 2003 and formally formed in early October.

[11] In October 2005, Koch Media acquired French distributor SG Diffusion, which had recently signed with NCsoft to distribute their game Guild Wars.

[16] The same month, Koch Media acquired Proein, the Spanish distribution arm of SCi Entertainment, to undisclosed terms.

[18] Regional offices for Scandinavian and Benelux countries, operated by the England subsidiary, were opened in February and July that year, respectively.

[24] According to manager Reinhard Gratl, the sale primarily came about because Koch wanted to retire, and no one in his family was interested in taking over the business.

[30][31] In June 2019, THQ Nordic AB acquired KSM GmbH, a German distributor of anime films, from its founder and chief executive officer (CEO), Benjamin Krause.

[32] On 14 August 2019, Koch Media agreed to fully acquire racing game developer Milestone srl and all of its intellectual property for €44.9 million paid in cash.

[35] Koch Films acquired Sola Media, a Stuttgart, Germany-based television-and-film licenser for children and family properties, in August 2020.

[36][37] Later that month, Koch Media opened offices in Hong Kong and Tokyo, both headed by Kundratitz, to expand publishing operations in Southeast Asia.

[42] Koch Media opened a new publishing division, Prime Matter, in June 2021, operating from its Munich headquarters.

[45][46][47] In May 2023, Gamesindustry.biz learned of plans to dissolve Deep Silver, Ravenscourt and Prime Matter, and consolidate the publishing business under the "Plaion" label.

[49] As of February 2018, Plaion is headquartered in Höfen, a municipality with a population of roughly 1,200 people that is located in Austria's Tyrol region and close to Bavaria, Germany.