Top recently funded startups in United Kingdom, week of 2026-10-26

$18.8M · Technology, Information and Media · United Kingdom

TidalSense, formerly Cambridge Respiratory Innovations, is a venture-backed respiratory technology company headquartered in Cambridge UK.

“Innovate UK's latest newsletter is a signal that the UK state wants to become an assurance provider for deep tech. Its backing is being designed to work like an audit opinion, and investors will price it that way.”

$10.0M · Seed · Administrative and Support Services · United Kingdom

Security & Defence

“Ultra Security (UltraSecurity), a Detroit, Michigan-based agentic security platform focused on securing autonomous runtime environments, has emerged from stealth after raising $10 million in seed funding. With participation from Ludlow Ventures, Entree Capital, Hidden Capital, Detroit Venture Partners, Firedrop and FDVC.”