High-Tech Gruenderfonds, the venture capital firm backed by the German government and a host of Germany-based corporations, exited water filtration technology company Terrawater yesterday, selling its stake to Taprogge Esaco, a holding company for Germany-based clean technology firm Taprogge.
High-Tech Gruenderfonds contributed to a €600,000 ($420,000) seed round for Terrawater in September 2007, while Taprogge Esaco made its first investment in Terrawater in 2009.
Since then, Terrawater and Taprogge have collaborated on the development of a series of treatment plants…
