ETF Partners is a London-based venture capital firm founded in 2005 that focuses on sustainability and impact-driven technology investing across Europe. The firm primarily invests in early to growth-stage companies developing solutions in climate tech, energy transition, industrial efficiency, mobility, and other environmental technologies. It typically supports companies with strong commercial traction or high growth potential where innovation contributes to measurable environmental impact. ETF Partners positions itself as one of Europe's original sustainability-focused VC firms, combining financial returns with climate and systems-level impact goals. It invests across multiple European markets and often works closely with founders to scale deep-tech and climate-focused businesses.