Ecosystem
United Kingdom
€13.5BCapital tracked
388Disclosed rounds
100Funds deploying
429Startups tracked
United Kingdom, in numbers
Sesamers round tracker · disclosed rounds only · EUR-converted
Capital by sector
Fintech22%
Unclassified8%
Autonomous Driving7%
EV Charging7%
Other56%
Capital by quarter (€M)
Rounds by stage
Source: Sesamers round tracker · full data desk →
Startups in United Kingdom
From the directory
Who invests here
Funds with a verified round in this hub · most active first
Mercia Ventures
Series A–Series B
Led 6 of 6 rounds tracked in United Kingdom. Mercia Ventures is the venture capital arm of Mercia Asset Management, investing…
£10M
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PXN Ventures
Pre-seed–Seed · Climate
Led 4 of 5 rounds tracked in United Kingdom. PXN Ventures is a venture capital firm with about 670 million pounds…
£200K–£8M
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Oxford Science Enterprises
Pre-seed–Seed · Deep tech
Led 3 of 5 rounds tracked in United Kingdom. Oxford Science Enterprises is an independent investment company and venture builder based…
Ticket undisclosed
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Programs in United Kingdom
Open calls first
Cambridge Tech Week – Innovation Alley 2026
Startup zone
A stand in the curated Innovation Alley showcase at Cambridge's Guildhall and Corn Exchange on 16-17 September, alongside 80+ AI, MedTech, HealthTech, ClimateTech and advanced-engineering companies, plus automatic entry into the CamTechWeek Pitch Competition, where five selected companies pitch on the main Corn Exchange stage to an eminent panel of investors and industry leaders and get national and international media exposure. Stands cost GBP 350 + VAT for startups and GBP 1,500 + VAT for scaleups. · None
Upcoming
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GF
Google for Startups Immersion EMEA 2026
Accelerator
none
Closed
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UL
Ultra Long Duration Energy Storage Project Development Studies (Relaunch) 2026
Grant
Share of £3M (£350k-£700k per project) · None
Closed
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What we have written
4 stories on United Kingdom
25Oct Cognitive Credit raises $40M to put AI on top of verified credit data Summit Partners has put $40 million into London's Cognitive Credit, whose verified models cover 3,500 bond… News 20
Oct XRlabs raises $8.4M seed to put surgical AI in every operating room A practising neurosurgeon raised $8.4M from Playground Global to make the operating room's machines work as… News 19
Oct CoComply raises £1.9M to govern the hidden contractor workforce Mercia's NPIF II leads a £1.9M round into CoComply, the Alderley Park platform that finds workers… News 19
Oct Unravel Health raises £2.5M pre-seed for at-home hormone testing London's Unravel Health has closed a £2.5M pre-seed co-led by Conduit EIS Impact Fund and Wrightwood.… News