Accelerating a Climate Positive Economy. Together.

Our Vision

Accelerating a Climate Positive Economy. Together.

We are on a mission to empower early-stage start-ups to build the best energy, mobility, and carbon removal solutions for climate positive change. As one of Europe’s first early-stage climate tech VCs, we are actively tackling the world‘s largest environmental problems.

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By Leaders for Climate Action




We are an established Climate Tech fund, initiated by renewable energy pioneer Matthias Willenbacher, focused on European climate tech start-ups in the Clean Energy, Mobility, and Carbon & Nature Tech sectors. With our profound domain know-how and strong investment network, we have access to the most promising climate tech start-ups.

  • For entrepreneurs by entrepreneurs

    Most of our team members are entrepreneurs themselves, having founded their own start-ups. We support you with our experience and give you your entrepreneurial freedom.

  • Impact driven

    We provide early-stage funding to empower start-ups to reach their impact potential. We assess the true environmental impact of each potential investment. In our impact methodology, we not only review the typical carbon metrics, such as greenhouse gas emissions reduced or captured, but also other impact KPIs, such as biodiversity and waste management.

  • Wi Venture Network

    We give founders access to a unique network of experienced entrepreneurs, relevant industry experts and follow-on investors. Through our mature portfolio, we build strong synergies for your business.