15 London Mempool companies backed by General Catalyst

Physics AI platform that helps engineers in aerospace, auto and energy design and test products faster.

Apprenticeship and upskilling programmes that train employees in tech, data and AI skills.

Munich-headquartered defence AI company building strike drones, underwater systems and battlefield software, with a London office.

Runs clinics offering a full-body scan and same-visit doctor review to spot health risks early.

Tech-led motor insurer for gig workers, fleets and everyday drivers, using telematics to price policies.

AI decision platform that models operations at ports, airports, energy and manufacturing sites and recommends or executes actions for operators.

Security and governance platform that lets enterprises discover, monitor and control their AI agents.

Online marketplace helping families find and compare care homes and later-life care across the UK.

AI expert network that profiles specialists from their papers, code and other work, then matches them with companies for consulting projects and full-time roles.

AI operating system for spare parts distributors covering demand forecasting, pricing and obsolescence decisions.

AI inventory planning software that helps fashion, beauty and home retailers buy, allocate and replenish stock.

Bloom & Wild sells flowers, plants and gifts online for delivery, including letterbox flowers.

Virtual wards and remote patient monitoring so patients can be cared for at home, used across NHS regions.

Platform for corporate giving and nonprofit verification used by brands like Google, Atlassian and Canva. Formerly Percent.

24/7 exchange offering perpetual futures on US equities, commodities and FX without a broker.