Harald Lorenz

Verlagsgesellschaft Madsack (Beteiligungen) (VGM-B) is the private equity division of Verlagsgesellschaft Madsack GmbH & Co. KG (VGM), the holding and main company of Verlagsgruppe Madsack, also known as Madsack Publishing Group, a regional German media conglomerate primarily active in Land Niedersachsen. Although the group's core business is print media, Madsack is also active in radio, television, Internet and other media services. In addition, the group comprises Dr. Erich Madsack GmbH, which represents the executive body of the group. The Madsack group originated in 1892. VGM was established in 1949 and is located in Hanover.

TVN Group GmbH engages in film and television production services. It offers comprehensive media services for the classic television and the Internet, including a media center at the government district. The company was founded in 1984 and is headquartered in Hanover, Germany.

HITZEROTH Druck + Medien GmbH & Co. KG operates as a newspaper publishing company. The firm’s core business is the procurement, processing, and marketing of content. Its Oberhessische Presse operates as the firm’s online news site. The company was founded in 1866 and is headquartered in Marburg, Germany.

i-potentials GmbH provides recruiting and consulting services. It offers human resources services for internet companies and startups. The firm provides recruiting and coaching services for internet companies. The company was founded by Constanze Buchheim in 2009 and is headquartered in Berlin, Germany

Isartalmedien GmbH & Co. KG provides property management services. The company is based in Baierbrunn, Germany and has subsidiaries in Germany. The CEOs are Andreas Arntzen and Dennis Ballwieser. The German company was founded in 2007.

Part of Wort & Bild Verlag Konradshöhe GmbH & Co. KG, Isartal Health Media GmbH & Co. KG provides health content marketing services. The company is based in Baierbrunn, Germany. The CEOs are Andreas Arntzen, Dennis Ballwieser. The German company was founded in 2015.