Company lists · Data verified August 2026

Top 20 AI cloud companies based in the United Kingdom

Name: AI cloud 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 143 companies tracked

There are 143 AI cloud companies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 1,143 professional contacts across them, including 264 with verified work emails and 78 with mobile numbers. London is the largest hub.

This list covers AI cloud 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.

143Companies

1,143Contacts tracked

264Verified emails

78Mobile numbers

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The 20 largest AI cloud companies based in the United Kingdom

Ranked by team size

Top 20 of 143 AI cloud 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	Colibri Digital	n/a	51-200	91	61
2	CIVO	London	51-200	75	38
3	Seldon	London	51-200	64	19
4	ORI	London	11-50	45	28
5	Datasparq	London	51-200	40	15
6	netmind.ai	London	51-200	33	10
7	Cudo Ventures	London	51-200	30	16
8	Codehive Solutions	London	11-50	19	1
9	Inference Group	London	51-200	14	6
10	Climb Global Services	Ashburton	11-50	11	6
11	Junkshon	London	11-50	8	4
12	ebi.ai	Warwick	11-50	7	4
13	Bespin Labs	Huddersfield	51-200	7	2
14	Eurosom	London	11-50	6	1
15	Incited	London	11-50	5	4
16	Mystic AI	London	11-50	5	2
17	Cloudit	n/a	11-50	3	1
18	Aivantor LTD	Glasgow	11-50	2	2
19	REVX	London	11-50	1	1
20	Cyberdes	Cardiff	11-50	1	1

Showing 20 of 143 AI cloud companies based in the United Kingdom

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AI cloud companies based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 84 HQs

78Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

AI cloud companies by metro

Metro	Companies
AI cloud companies in London	84
AI cloud companies in Manchester	7
AI cloud companies in Basingstoke	3
AI cloud companies in Cambridge	3
AI cloud companies in Glasgow	3
AI cloud companies in Peterborough	2
AI cloud companies in Cardiff	2

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 “AI cloud 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; 2 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 AI cloud companies are there based in the United Kingdom?

There are 143 AI cloud companies headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

Colibri Digital, headquartered in United Kingdom, tops this list with the largest team on record.

Which city has the most AI cloud companies?

London leads with 84 headquartered companies, followed by Manchester (7) and Basingstoke (3).

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 264 verified decision-maker contacts tracked across these 143 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.