Loudspring is a venture capital firm in Finland that focuses on funding and commercializing companies rooted in the Finnish clean technology industry. Founded 2005 in Helsinki, Southern Finland, Finland by Tarja Teppo and Timo Linnainmaa, this venture capital firm invests in venture rounds, funding rounds, grants and seed rounds. Its portfolio companies include Nuuka, Eagle Filters, ResQ Club, SansOx, Nocart, and Watty. As of February 2020, Loudspring has made 23 investments. The company’s most recent investment was on May 6, 2019, when Nuuka raised €700K. Loudspring has had one exit, which was Eagle Filters.