London
Metro area · United Kingdom · Pop. 9.8M · #13 city by EV
Enterprise value · 2015–2025
London grew 8.7× since 2015
Combined enterprise value of every tracked startup headquartered in London that's still operating today — public and private companies combined, totalled by founding-year cohort.
Adjacent cities by EV
Startup funnel
London's power-law funnel
From the first cheque written to a $10B+ outcome. Each arrow shows what fraction of companies at one stage graduate to the next, tracked by founding cohort.
* C→Unicorn and Unicorn→Decacorn rates are derived from current counts (no founding-cohort data); the four mid-funnel rates use Dealroom's cohort tracking.
Notable companies
Top private companies in London
Up to 20 names per tier from Dealroom's tracked dataset. Decacorns are valued $10B+, unicorns $1B+, thoroughbreds have crossed $100M in revenue.
Academia
London's academic flywheel
Companies founded by university alumni or spun out of research, plus the institutions producing the most founders tied to London.
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Notable alumni-founded: Wise (TransferWise)ASOSTouchlight
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Notable alumni-founded: GoogleNvidiaOpenAIStripe
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Notable alumni-founded: Microsoft (founder alumni)Meta / FacebookStripePlaid
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Notable alumni-founded: AkamaiDropboxHubSpotiRobot
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Notable alumni-founded: ArmDeepMindWayveDarktrace
Vs. similarly-sized ecosystems
How London stacks up
Peers chosen from the same country (United Kingdom), sized closest to London by combined EV. The scatter plots growth × current size — outliers in the upper-right are ecosystems compounding fastest.
Top overview
United Kingdom — top cities
Top cities in United Kingdom ranked by combined EV. London's row is highlighted.
| # | Ecosystem | Combined EV | 5-yr EV growth | Unicorns | VC invested | Tracked startups |
|---|---|---|---|---|---|---|
| 1 | London | $726B | 5.7× | 150 | $18.2B | 11.3K |
| 2 | East of England | $205B | 3.4× | 13 | $2.5B | 1,129 |
| 3 | Cambridge (UK) | $179B | 3.6× | 12 | $2.2B | 582 |
| 4 | South East England | $71B | 2.9× | 14 | $1.3B | 1,671 |
| 5 | Yorkshire and the Humber | $45B | 5.9× | 7 | $175.2M | 571 |
| 6 | Edinburgh | $41.6B | 8.3× | 2 | $302.9M | 419 |
| 7 | North West England | $35.2B | 2.6× | 12 | $185.1M | 1,087 |
| 8 | York | $33.5B | 15.7× | 3 | $4.2M | 67 |
| 9 | Midlands | $30.4B | 5.8× | 7 | $400.9M | 897 |
| 10 | Oxford | $29.2B | 2.9× | 8 | $630.7M | 423 |
| 11 | Manchester | $23.3B | 2.4× | 9 | $111.3M | 593 |
| 12 | East Midlands | $22.8B | 5.8× | 4 | $82.1M | 387 |
Sector concentration
Where London punches above its weight
Sectors in which London's share of the global unicorn pool is bigger than its overall share. A 5× over-index means London is 5× more represented in that sector than in the global average. Source: top-hub aggregation across the 18 simplified sectors.
Premium analytics
What we don't show on this page (yet)
Sector breakdowns, founder origins, AI-talent leaderboards and live deal flow are gated to logged-in Dealroom users. Book a demo to access the full London dataset — or see a sample on the Dealroom app.
Get the full London ecosystem on Dealroom
Live company-by-company deal flow, full cap tables, founder pedigrees, hiring signals and revenue trajectories.