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October 27, 2026

Sequoia and General Catalyst value ex-police chief’s AI startup at $400m — reports

London-based 22one is developing AI tools for police forces as the UK government pushes to modernise policing

Martin Coulter

2 min read

A London-based AI startup founded by a former senior police officer has reached a valuation of around $400m, attracting backing from some of the world's biggest VC firms, according to reports.

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Martin Coulter

Martin Coulter is Sifted's news editor, based in London. You can follow him on LinkedIn and X

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