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September 9, 2025

‘We're the inevitable winner’ says Proxima Fusion, as it extends Series A to €145m

Lobbying governments has become a key part of Proxima's work, its founder tells Sifted


Freya Pratty

4 min read

Proxima Fusion CEO Francesco Sciortino

Nuclear fusion startup Proxima Fusion has secured €15m in new funding, extending its Series A to €145m as European investors continue to channel funds into companies they think can help the continent keep pace with the US and China.

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Picture of how a Proxima fusion machine looks like
A model of Proxima's stellarator.
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Freya Pratty

Freya Pratty is Sifted's associate editor. She covers UK tech and leads Sifted's investigations. Follow her on X , LinkedIn and Bluesky

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