Marcus Polke

signals Invest GmbH (signals Venture Capital) is venture capital investment subsidiary of SIGNAL IDUNA Lebensversicherung AG, ultimately owned by SIGNAL IDUNA Gruppe, founded in 2017. The firm is headquartered in Berlin, Germany.

Acton Capital Partners GmbH (Acton) is an independent venture capital firm which originated in 1999 as the corporate venture capital arm of Hubert Burda Media Holding KG. In 2008, it spun out of the media group into an independent fund structure and was renamed to Acton. The firm is headquartered in Munich, Germany.

Abebooks Europe GmbH markets and sells books online. It serves through internet by providing information about copyrighted materials, trademarks, service marks, trade dress and other proprietary information. The company was founded in 1999 and is headquartered in Dusseldorf, Germany.