Ecosystem
United Kingdom
€13.1BCapital tracked
382Disclosed rounds
100Funds deploying
422Startups tracked
United Kingdom, in numbers
Sesamers round tracker · disclosed rounds only · EUR-converted
Capital by sector
Fintech23%
Autonomous Driving7%
EV Charging7%
Unclassified6%
Other57%
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 5 of 5 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 4 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
15Oct Salience Labs raises $125M Series B to wire AI clusters with light Bullhound Capital leads an oversubscribed $125M Series B into Oxford's Salience Labs, with AMD Ventures and… News 15
Oct Alchera raises £2.7M seed to plan UK roads and buses with AI Cambridge's Alchera closed a £2.7M seed, with Maven Capital Partners leading £2M through the South West… News 14
Oct Undecimal Bio raises $18M seed to take RNA medicines beyond the liver An $18M oversubscribed seed co-led by 4BIO Capital and IQ Capital backs a Cambridge spin-out betting… News 13
Oct CMR Surgical raises $400M from Stryker, with a buyout option Stryker takes preferred equity, exclusive US sales rights to Versius and an option to buy 100%… News