Company lists · Data refreshed September 2026
Top 25 Early-stage investment firms based in the United Kingdom
RevenueBase identified 921 early-stage investment firms headquartered in the United Kingdom as of September 2026 and tracks 8,637 professional contacts across them, including 2,768 with verified work emails. London is the largest hub.
This list covers early-stage investment firms headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 14, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest early-stage investment firms based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 906 contacts → | ||||
Indirect evidence “Entrepreneurs First invests in exceptional individuals to build startups from scratch.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 2 | 276 contacts → | ||||
Indirect evidence “BGF is the most active and influential investor in small and mid-sized businesses in the UK.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 3 | 115 contacts → | ||||
Indirect evidence “Atomico is the founder-built European venture capital firm.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 4 | 112 contacts → | ||||
Indirect evidence “Index Ventures partners with exceptional entrepreneurs – those with unique insight who are intrinsically driven to make their vision a reality.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 5 | 103 contacts → | ||||
Indirect evidence “CodeBase is the growth platform for tech ecosystems.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 6 | 99 contacts → | ||||
Strong evidence “DN Capital is a global early stage and growth capital investor focused on Seed, Series A and select series B investments in fintech, SaaS, digital media, e-commerce, marketplaces…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 7 | 96 contacts → | ||||
Indirect evidence “Octopus Ventures, part of Octopus Group, is one of the largest and most active venture capital investors in the UK and Europe.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 8 | 88 contacts → | ||||
Indirect evidence “Balderton is a multistage venture firm with 25 years of experience supporting Europe’s best founders from Seed to IPO.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 9 | 87 contacts → | ||||
Indirect evidence “Founders Factory builds and funds startups together with exceptional entrepreneurs and the world’s leading companies.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 10 | 81 contacts → | ||||
Indirect evidence “Tech Nation fuels the growth of game-changing founders, leaders and scaling companies so they can positively transform societies and economies.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 11 | 73 contacts → | ||||
Strong evidence “Kinetic Investments is a venture capital firm dedicated to early-stage companies that are transforming the digital landscape.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 12 | 70 contacts → | ||||
Strong evidence “White Star Capital is an international multi-stage technology investment manager built by a team of founders, investors and operators with a track record of entering new markets…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 13 | 63 contacts → | ||||
Indirect evidence “Ada Ventures is a pre-seed inclusive venture capital firm.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 14 | 53 contacts → | ||||
Indirect evidence “Since 2015, Target Global has partnered with bold founders building category-defining companies including Revolut, Delivery Hero, Auto1, Flo Health, Fresha, TravelPerk, Copper and…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 15 | 53 contacts → | ||||
Indirect evidence “AI Forge is a world-class AI incubator headquartered in London, dedicated to nurturing and funding over 45 new AI startups annually.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 16 | 52 contacts → | ||||
Indirect evidence “The Family nurtures Entrepreneurs through Education, Unfair Advantages & Capital.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 17 | 50 contacts → | ||||
Strong evidence “Creandum is a leading early-stage venture capital firm backing the world's most ambitious founders building generational companies, including Spotify, Lovable, Klarna, Trade…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 18 | 49 contacts → | ||||
Indirect evidence “Creator Fund is a venture capital firm investing in startups on the frontier of what's possible.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 19 | 45 contacts → | ||||
Indirect evidence “Hummingbird Ventures is an agile investor in entrepreneurial genius.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 20 | 45 contacts → | ||||
Indirect evidence “Dawn is Europe’s leading specialist B2B software investor, with total commitments of $2bn.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 21 | 45 contacts → | ||||
Partial evidence “Notion Capital is a Venture Capital investing firm focused on European SaaS and Cloud, with more than 100 investments to date.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 22 | 45 contacts → | ||||
Partial evidence “Angels Den Funding is one of the UK and Europe’s leading angel-led investment platforms, connecting ambitious companies with the capital, expertise and networks they need to grow.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 23 | 43 contacts → | ||||
Partial evidence “Northzone is a technology investment partnership.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 24 | 43 contacts → | ||||
Partial evidence “Seedcamp is Europe's seed fund, identifying and investing early in world-class founders attacking global markets and solving real problems using technology.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 25 | 42 contacts → | ||||
Strong evidence “Fig provides a pragmatic new approach to supporting and investing in high-growth early-stage companies.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: early-stage investment firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names early-stage investment firms.
- Partial evidence
- Its own public description names part of early-stage investment firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name early-stage investment firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 921 early-stage investment firms based in the United Kingdom
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Early-stage investment firms based in the United Kingdom at a glance
As of Sep 14, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 921 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among early-stage investment firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the United Kingdom whose own description of what they do matches “early-stage investment firms”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names early-stage investment firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among early-stage investment firms, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 2,768 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 14, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Early-stage investment firms by metro
- Early-stage investment firms in London663
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names early-stage investment firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many early-stage investment firms are there based in the United Kingdom?
RevenueBase identified 921 early-stage investment firms headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Entrepreneurs First, headquartered in London, tops this list with the largest team on record.
Which city has the most early-stage investment firms?
London leads with 663 headquartered companies, followed by Manchester (15) and Cambridge (14).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 2,768 verified decision-maker contacts tracked across these 921 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 14, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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