Cleantech Ventures is a Melbourne based venture capital firm investing in environment-friendly startups. The firm seeks to invest in companies developing and commercializing technology involving energy, water and advanced materials. The firm also manages the pre-seed/seed CEGT Fund on behalf of the Centre for Energy and Greenhouse Technologies (CEGT). It focuses on technology that reduces GHG emissions from fossil fuel, increase energy efficiency and capture and storage of CO2 emissions. The firm has invested in companies like Cool Energy, MIGfast, Active Reactor, Hardwear, Ecoult Technology, Nu Energy, Aquaspy Group, and V-Fuel.