Astral Systems – a deep-tech firm pioneering a new type of nuclear fusion technology – has secured £23 million in the first close of a Series A investment led by Mercia Ventures. 

The round is supported by prominent tech investors including Tees River, Daphni and Blast Club, alongside previous investors Speedinvest and Playfair Capital.

It will enable the company to use its proprietary multi-state fusion (MSF) technology to develop medical isotopes that are critical for cancer diagnosis and treatment, expand production of its modular reactors and advance fusion research.