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Part of ALBA Group plc & Co. KG, ALBA Services Holding GmbH functions as an investment holding German company. The company is based in Berlin, Germany. The company was founded in 2016. Sebastiaan Krol has been the CEO of the company since 2022. ALBA Services Holding was acquired by ALBA Group plc & Co. KG on February 12, 2021.

ALBA Re-Life Holding GmbH is an investment holding German company. The private company is based in Berlin, Germany. The CEOs of the company are Timo Langemann, Hans-Stefan Kalinowski.

Wölbern Private Equity GmbH (Wölbern-PE) is the private equity subsidiary of Germany-based Wölbern Group KG, controlled by Heinrich Schulte, MD, PhD. Established in 2006, the firm is headquartered in Hamburg and focuses primarily on private equity fund-of-fund management. Their clients are German private investors. The Wölbern group also manages direct private equity investments through Wölbern EquityPartner AG, the wholly-owned subsidiary of Bankhaus Wölbern Bankhaus Wölbern & Co. (AG & Co. KG).

Part of Wölbern Group KG, Wölbern Invest KG is a company based in Hamburg, Germany. Wölbern Invest KG provides fund management services. The German company was founded in 2007. Heinrich Maria Schulte has been the CEO of the company since 2009.

Norddeutsche Private Equity GmbH (NPE) is an independent private equity firm founded in 1999. The firm is headquartered in Hamburg.

Thielert AG engages in the manufacture of diesel engines. The firm also develops, designs, produces, and tests components for high performance engines and special parts. The company is headquartered in Hamburg, Germany.