June 3, 2025

Space Business Review May 2025

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May Fundraising & Investment Activity

May 8 – Space solar power manufacturer mPower Technology, Inc. raised $21m in a Series B funding round led by Razor’s Edge Management, LLC, with participation from Shield Capital LLC.

May 14 – Radioisotope power systems business Zeno Power Systems Inc. secured $50m in a Series B funding round led by Hanaco Venture Capital Ltd., with participation from Seraphim Space Manager LLP, Balerion Space Ventures and others.

May 15 – Solestial, Inc., a solar energy start-up, raised $17m in a Series A funding round led by AE Ventures, with participation from existing investors Airbus Ventures and Industrious Ventures and several new investors, including Mitsubishi Electric Corporation’s ME Innovation Fund.

May 16 – UK-based Space Forge Ltd. raised $30m in a Series A funding round led by the NATO Innovation Fund, with participation from the National Security Strategic Investment Fund, the British Business Bank and WF World Fund Management GmbH.

May 19 – Sophia Space Inc. raised $3.5 million in a pre-seed funding round led by Unlock Venture Partners. The company plans to further develop its orbital compute and data center solutions.

Read more related news in Space Business Review May 2025.