Company lists · Data verified August 2026

Top 25 Cloud infrastructure companies based in the United Kingdom

Name: Cloud infrastructure 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 269 companies tracked

There are 269 cloud infrastructure companies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 6,056 professional contacts across them, including 1,053 with verified work emails and 382 with mobile numbers. London is the largest hub.

This list covers cloud infrastructure 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.

269Companies

6,056Contacts tracked

1,053Verified emails

382Mobile numbers

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The 25 largest cloud infrastructure companies based in the United Kingdom

Ranked by team size

Top 25 of 269 cloud infrastructure 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	Ovhcloud	London	1,001-5,000	3,039	3
2	Iomart	Glasgow	201-500	422	200
3	Colt Data Centre Services	London	201-500	421	235
4	Beeks Group	Glasgow	51-200	119	84
5	NTT Ltd. Cloud	London	201-500	112	58
6	ORM	London	51-200	82	10
7	Brightsolid	Dundee	51-200	77	50
8	CIVO	London	51-200	75	38
9	Cogeco Peer 1	Southampton	501-1,000	67	7
10	Onyx Group	Gateshead	51-200	66	2
11	Iland 11 11 Systems	Ascot	1,001-5,000	59	20
12	IIJ Europe	London	51-200	49	1
13	Coreix	Welwyn Garden City	11-50	32	6
14	Cudo Ventures	London	51-200	30	16
15	Skye Cloud LTD	London London	11-50	28	20
16	ERA LTD B Corp	n/a	11-50	26	11
17	Eukhost	Leeds	51-200	23	5
18	Edge Network	London	11-50	23	4
19	HDUK	Carnforth	11-50	22	14
20	Saints & Masters	Peterborough	201-500	19	10
21	QWARE	Winchester	11-50	18	10
22	ELITE	Portsmouth	11-50	16	5
23	TIBUS	London	11-50	15	6
24	AIMES	Liverpool	51-200	14	2
25	Xglobe	London	11-50	13	2

Showing 25 of 269 cloud infrastructure companies based in the United Kingdom

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Cloud infrastructure companies based in the United Kingdom at a glance

As of Aug 28, 2026

11-50Median size (employees)

LondonLargest hub · 101 HQs

382Contacts with mobile numbers

3Emails re-verified in last 30 days

Companies by employee count

1-10

118

11-50

107

51-200

201-500

501-1,000

1,001-5,000

Cloud infrastructure companies by metro

Metro	Companies
Cloud infrastructure companies in London	101
Cloud infrastructure companies in Glasgow	7
Cloud infrastructure companies in Manchester	7
Cloud infrastructure companies in Leeds	6
Cloud infrastructure companies in Reading	4
Cloud infrastructure companies in London London	4
Cloud infrastructure companies in Bristol	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 “cloud infrastructure 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; 3 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 cloud infrastructure companies are there based in the United Kingdom?

There are 269 cloud infrastructure companies headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most cloud infrastructure companies?

London leads with 101 headquartered companies, followed by Glasgow (7) and Manchester (7).

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 1,053 verified decision-maker contacts tracked across these 269 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.