Kristofer Fichtner

ecoworks GmbH engages in the provision of building renovation services. It offers modernization of building facade, insulation of the cellar ceiling, installation of photovoltaic systems and heat pumps, and replacement of roofs. The company was founded by Emanuel Heisenberg, Kristofer Fichtner, and Michael Vahrenkamp in September 2018 and is headquartered in Berlin, Germany.

PropTech1 Management GmbH (PropTech1 Ventures) is an independent venture capital firm founded in 2017 by Marius Marschall von Bieberstein and the COOPERATIVA Venture Group (Cooperativa Venture Services GmbH). The firm is headquartered in Berlin, with additional offices in Munich, Zurich, and London.

Thermondo GmbH operates as a one-stop-shop for comparing and changing residential heating systems. The firm specializes in the development and operation of an online information service platform, providing users with data on heating system models, equipment installation, warranty information and mode of payment. It focuses on guiding users in selecting their heating system model, arranging installation date and coordinating with local gas network operators. The company also offers articles on relevant topics, such as building renovation, energy conservation, gas heating and consumption, and solar and thermal energy development. Thermondo was founded by Philipp A. Pausder, Kristofer Fichtner and Florian Tetzlaff in 2012 and is headquartered in Berlin, Germany.