Kent, United Kingdom · Founded 2019 · Privately Held (backing)
Developer of a thermal plasma electrolysis technology designed to produce clean hydrogen with minimal electricity consumption and no carbon emissions. HiiROC is based in Kent, United Kingdom and was founded in 2019. Its last reported valuation was $228 million in Nov 2021. It has raised $38.7 million.
Last reported valuation
$227.9M
Oct 2026
Priced at
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Total raised
$38.7M
Last round
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Cap table — not yet on record
HiiROC's share-class structure hasn't surfaced in our sources yet. Cap tables are assembled from certificates of incorporation, round filings, and disclosures as they land.
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·The complete investor list: 14 names
·Watch HiiROC: the Monday email on marks, rounds and moves
