Dr. Axel Dickenbrok

We are engineers at heart and investors by choice. We are a VC fund for Pre-Seed startups in the Industrial Tech and Deep Tech space in Europe. We have made over 50 investments in the last years and our portfolio is now worth more than €1 billion. We invest between €200k and €1m as a "First Check" investor and collaborate with Angels and other VCs as Co- & Follow-On Investors.

InnoEnergy is industrialising clean tech innovation to enable and grow a global net zero economy. Active in Europe and the US, the company invests in early-stage start-ups and the current and future workforce, building resilient clean tech value chains that drive sustainable economic growth. Through its ecosystem – with 1,400 partners including 39 shareholders spanning industry, finance, public policy, and academia – the company scales the energy transition at speed. Since 2010, InnoEnergy has supported 500+ companies, helping to grow 4 into industrial unicorns. These companies have raised more than €34 billion to date, created 40,000 jobs, and are on track to generate €110 billion in revenue and reduce 2.1 gigatons of CO2e by 2030. Currently, InnoEnergy is invested in 160+ start-ups and scale-ups. In support of the EU’s climate and industrial goals, InnoEnergy leads industrial alliances in batteries and solar, and accelerates the uptake of green hydrogen. Pinpointing market gaps, InnoEnergy launches new industrial champions, in sectors including batteries, steel, and fertilisers. InnoEnergy was established in 2010 by the European Institute of Innovation and Technology (EIT), a body of the European Union, as one of its first Knowledge and Innovation Communities (KIC). In 2025, the EIT and InnoEnergy entered into a new partnership, where they will continue collaborating on specific projects.

We are engineers at heart and investors by choice. We are a VC fund for Pre-Seed startups in the Industrial Tech and Deep Tech space in Europe. We have made over 50 investments in the last years and our portfolio is now worth more than €1 billion. We invest between €200k and €1m as a "First Check" investor and collaborate with Angels and other VCs as Co- & Follow-On Investors.

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Rantum Capital was founded in 2013 on the initiative of investment executives, Mittelstand entrepreneurs and large cap corporate executives with the aim of supporting Mittelstand companies in Germany, Austria and Switzerland with both capital, experience and networks. Headquartered in Frankfurt, we currently manage/advise both an institutional credit fund and a private equity fund. Rantum Capital is the umbrella brand for Rantum Capital Management GmbH (debt activities) and Rantum Advisors GmbH (equity activities).