Ecosystem
United Kingdom
€14.5BCapital tracked
419Disclosed rounds
100Funds deploying
466Startups tracked
United Kingdom, in numbers
Sesamers round tracker · disclosed rounds only · EUR-converted
Capital by sector
Capital by sector, share of capital tracked. Donut chart, 5 slices. €14.5B Tracked. Other 56% (56%), Fintech 21% (21%), Unclassified 10% (10%), Autonomous Driving 7% (7%), Defence AI 6% (6%).
- Other56%
- Fintech21%
- Unclassified10%
- Autonomous Driving7%
- Defence AI6%
Source: Sesamers round tracker
Capital by quarter
Capital by quarter. Bar chart, 4 bars. Highest: Q3 26, €2.6B. Lowest: Q1 26, €755.8M. Highlighted: Q4 26. Values: Q1 26 €755.8M, Q2 26 €985.0M, Q3 26 €2.6B, Q4 26 €2.1B.
Source: Sesamers round tracker
Rounds by stage
Share of rounds by stage. Bar chart, 7 rows. Pre-seed 12%, Seed 35%, Series A 22%, Series B 10%, Series C 7%, Series D+ 2%, Growth 12%.
Source: Sesamers round tracker
n = 279 rounds
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 5 of 6 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 6 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
07Nov Mindmax raises $3.3M pre-seed for a spoken AI tutor Mindmax, built by Memrise's Ed Cooke and Daniel Zohar, raised $3.3M (£2.5M) in a pre-seed round… News 07
Nov FluoRok raises $30M Series A for HF-free fluorochemicals Orano Venture Fund and Supernova Invest co-lead an oversubscribed $30M round for the Oxford spin-out making… News 05
Nov 1nhaler raises £2.2M to put a cardboard inhaler into clinical trials Edinburgh's 1nhaler raised £2.2M in follow-on funding led by Archangels to take a cardboard single-dose asthma… News 28
Oct Querio raises $5M seed to put metrics back in the data team’s hands London's Querio launched with $5 million and BMW i Ventures as lead investor. Its metric definitions… News