Little Green Fund is an Estonia-focused venture capital firm backing cleantech and greentech companies building for the Earth. It is relevant for seed-stage founders in climate, sustainability, materials, energy, waste, mobility and related environmental sectors, and it backs small checks while retaining capacity for larger checks. The firm has acted as a lead investor, with portfolio exposure including Fusebox, Up Catalyst, Vok Bikes, eAgronom, Raiku, PowerUP Energy Technologies and Vool.