Sebastian Kühl

Solen AG engages in the provision of solar equipment independent of any manufacturer. It plans, installs, and sells pholotvoltaic systems for open-field, in-roof, and on-roof use in private households and major industrial sites. It also operates photovoltaic power plants. The company was founded on February 17, 2004 and is headquartered in Meppen, Germany.

PurVia AG manufactures trades and assembles gas installation components and systems. It also engages in the acquisition and management of shareholdings in companies with similar business activities. The company was founded in 2007 and is headquartered in Hamburg, Germany.

COLEXON Energy AG engages in the provision of solar solutions. It operates through the following segments: Wholesale, Projects and Services, and Plant Operation. The Wholesale segment comprises the wholesale business with modules and accessories. The Projects and Service segment involves activities as a system provider of photovoltaic systems. The Plant Operation segment includes analyses, technical, legal and financial investment reviews, and financing and operating solar power plants. The company was founded by Helmut Bückle and Bernd Kocher on January 22, 1999 and is headquartered in Hamburg, Germany.

Nobiscum Verwaltungs- und Treuhandgesellschaft mbH provides investments. The private company is based in Hamburg, Germany.

HHB Holzhafen Beteiligungs GmbH provides private equity services. The company is headquartered in Hamburg, Germany.

Ropal Europe AG operated as a holding company, which engaged in the development of coating technologies. The firm operated through the following segments: Licenses, Equipment Sales, and Contract Coating. The company was founded on February 18, 2008 and was headquartered in Burgwald, Germany.

FTBM Beteiligungs GmbH operates as a holding company with interest in publishing newspapers. The company is headquartered in Hamburg, Germany.

Solare AG provides services related to the development, construction, installation, and project management of solar parks. The company is based in Cologne, Germany. Solare was acquired by Solen AG on January 18, 2010.