Christoph Schopp

GBK Beteiligungen AG is a listed evergreen private equity fund, which engages investment opportunities in privately held mid-market companies located in the German-speaking region. It invests in a wide variety of sectors, including producer manufacturing, services, and trade, but generally targets companies in the industries of automotive, electrical engineering, and mechanical & plant engineering, among others. The fund provides equity, debt, and mezzanine financing for buyouts, MBOs, MBIs, spin-offs, and growth capital requirements, in the form of both direct and silent participations, as well as shareholder loans. The company was founded in 1969 and is headquartered in Hannover, Germany.

HANNOVER Finanz GmbH (HF) is an independent private equity firm headquartered in Hannover in northern Germany with a branch in Austria. HF is a majority-owned subsidiary of HANNOVER Finanz Group, which became independent through a management buyout in 1993. HF was established in 1979 within HDI-Haftpflichtverband der Deutschen Industrie VaG, which later became the German insurance group Talanx. HF specializes in private equity investing. Their shareholders and clients are primarily large German institutions in the banking and insurance sectors. The firm manages an extensive range of investment funds in which the group's shareholders are significant investors. HANNOVER Finanz Group and private individuals also invest in the firm's funds.

Biesterfeld AG engages in the distribution and sale of plastics, rubbers, and specialty chemicals. It operates through the following business divisions: Plastic, Spezialchemie, Performance Rubber, International, ChemLogS, and BIT-SERV. The firm also trades industrial and agro chemicals as well as pharmaceutical raw materials and agents. The company was founded by Wilhelm Ernst Hinrich Biesterfeld in 1906 and is headquartered in Hamburg, Germany.