Company lists · Data verified August 2026

Top 25 Machine learning companies based in London, United Kingdom

Name: Machine learning companies based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 226 companies tracked

Find 226 machine learning companies based in London, United Kingdom, with 11,197 business contacts and 1,237 email addresses. London is the single most-represented city among the companies included. Data is current as of August 2026.

Machine learning companies develop software, platforms, models, or services that use data to identify patterns, make predictions, automate decisions, or support other business processes. This list covers companies that develop, provide, or apply machine learning software, models, platforms, or related services as part of their business. Ranked by team size, largest first. Data current as of August 28, 2026.

226Companies

11,197Contacts tracked

1,237Verified emails

226Mobile numbers

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The 25 largest machine learning companies based in London, United Kingdom

Ranked by team size

Top 25 of 226 machine learning companies based in London, United Kingdom, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Quantium	London	1,001-5,000	1,274	687
2	Quantco	London	201-500	226	180
3	Predictx	London	51-200	83	47
4	Seldon	London	51-200	64	19
5	Tekcor4	London	51-200	61	45
6	Nexaquanta	London	51-200	53	26
7	Unidatalab	London	11-50	52	14
8	Celerik INC	London	51-200	46	19
9	Beyond	London	51-200	32	14
10	Finster AI	London	11-50	27	11
11	Brainpool AI	London	11-50	21	9
12	Softblues	London	51-200	19	6
13	Emergeiq	London	11-50	19	5
14	Data Reply UK	London	11-50	18	9
15	Pareto AI	London	11-50	17	13
16	Unolabs	London	51-200	16	3
17	Infini8ai	London	11-50	15	1
18	Inference Group	London	51-200	14	6
19	Aegasis Labs	London	11-50	14	4
20	Thalesians LTD	London	11-50	13	2
21	Cloudseals Technology	London	11-50	12	2
22	DOT Square LAB	London	11-50	10	6
23	Data Nectar Data, GEN AI Consulting & Solutions	London	11-50	10	1
24	Inteliate	London	11-50	10	1
25	Inawisdom, A Cognizant Company	London	51-200	9	6

Showing 25 of 226 machine learning companies based in London, United Kingdom

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Machine learning companies based in London, United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 257 HQs

226Contacts with mobile numbers

6Emails re-verified in last 30 days

Companies by employee count

1-10

140

11-50

51-200

201-500

1,001-5,000

10001+

Machine learning companies by metro in the United Kingdom

Metro	Companies
Machine learning companies in London	257
Machine learning companies in Manchester	12
Machine learning companies in Cambridge	5
Machine learning companies in Birmingham	5
Machine learning companies in Glasgow	5
Machine learning companies in Cardiff	5
Machine learning companies in Edinburgh	4

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “machine learning companies”, with match quality audited by blind human judging, and headquartered in London, United Kingdom.
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: Contact records re-verify on a rolling cadence; 6 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many machine learning companies are based in London, United Kingdom?

This list contains 226 machine learning companies based in London, United Kingdom.

Where are most machine learning companies located?

London is the single most-represented city among the companies on this list.

How can I find contacts at machine learning companies?

This list includes 11,197 business contacts and 1,237 email addresses for machine learning companies.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.