Company lists · Data verified August 2026

Top 22 Composite AI companies based in the United Kingdom

Name: Composite AI companies based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 362 companies tracked

There are 362 composite AI companies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 3,313 professional contacts across them, including 934 with verified work emails and 169 with mobile numbers. London is the largest hub.

This list covers composite AI companies headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

362Companies

3,313Contacts tracked

934Verified emails

169Mobile numbers

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The 22 largest composite AI companies based in the United Kingdom

Ranked by team size

Top 22 of 362 composite AI companies based in the 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	Worktual AI	London	201-500	154	2
3	Samyotech	London	51-200	80	4
4	Dtskill AI	West End	11-50	50	2
5	Pureinsights Technology	London	11-50	34	17
6	Oxford Dynamics	Harwell	11-50	26	12
7	Sendient	n/a	11-50	22	11
8	Futuria	London	11-50	21	14
9	Brainpool AI	London	11-50	21	9
10	Pareto AI	London	11-50	17	13
11	ADA Mode	Bristol	11-50	16	12
12	Black Lion Innovations Group	London	11-50	16	7
13	Swsam Solutions	London	11-50	16	4
14	Thalesians LTD	London	11-50	13	2
15	Inawisdom, A Cognizant Company	London	51-200	9	6
16	Sanctifai	London	11-50	9	5
17	Entopy	Newmarket	11-50	9	5
18	Deepsearch Labs	London	11-50	9	3
19	N-Zyte	London	11-50	5	1
20	Altimist LTD	London	11-50	3	2
21	The Applied AI Company Appliedai	London	51-200	2	2
22	Wirk World	London	11-50	2	1

Showing 22 of 362 composite AI companies based in the United Kingdom

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Composite AI companies based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 226 HQs

169Contacts with mobile numbers

7Emails re-verified in last 30 days

Companies by employee count

1-10

250

11-50

51-200

201-500

501-1,000

1,001-5,000

Composite AI companies by metro

Metro	Companies
Composite AI companies in London	226
Composite AI companies in Manchester	11
Composite AI companies in Glasgow	6
Composite AI companies in Cambridge	5
Composite AI companies in Edinburgh	4
Composite AI companies in Bristol	3
Composite AI companies in Birmingham	3

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 “composite AI companies”, with match quality audited by blind human judging, and headquartered in the 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; 7 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 composite AI companies are there based in the United Kingdom?

There are 362 composite AI companies headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

Quantium, headquartered in London, tops this list with the largest team on record.

Which city has the most composite AI companies?

London leads with 226 headquartered companies, followed by Manchester (11) and Glasgow (6).

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 934 verified decision-maker contacts tracked across these 362 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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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.