Company lists · Data verified August 2026

Top 25 Cloud infrastructure support providers based in the United Kingdom

Name: Cloud infrastructure support providers 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 1,749 companies tracked

There are 1,749 cloud infrastructure support providers headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 57,713 professional contacts across them, including 15,093 with verified work emails and 4,548 with mobile numbers. London is the largest hub.

This list covers cloud infrastructure support providers 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.

1,749Companies

57,713Contacts tracked

15,093Verified emails

4,548Mobile numbers

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The 25 largest cloud infrastructure support providers based in the United Kingdom

Ranked by team size

Top 25 of 1,749 cloud infrastructure support providers 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	Nutanix	London	5,001-10,000	8,999	6,903
2	Ovhcloud	London	1,001-5,000	3,039	3
3	Nasstar	Wakefield	1,001-5,000	841	381
4	Claranet	Warrington	1,001-5,000	816	1
5	Bytes Software Services	Portsmouth	501-1,000	784	523
6	Aress Software	Hampshire	501-1,000	654	165
7	Devoteam Google Cloud Partner	London	501-1,000	546	130
8	Maintech, Incorporated	London	501-1,000	529	245
9	Iomart	Glasgow	201-500	422	200
10	Babble	Basildon	201-500	397	285
11	BUI	Derby	51-200	250	19
12	Wanstor	London	201-500	226	147
13	Proact IT Group AB	Leeds	1,001-5,000	224	79
14	The Missing Link	London	201-500	216	150
15	Vohkus	Fareham	51-200	189	119
16	Qualcom	Newtownabbey	51-200	181	36
17	Creative ITC	London	201-500	175	99
18	CSI LTD A CSI Group Company	London	201-500	161	116
19	Deepscale Technologies LTD	London	51-200	143	5
20	Capita Managed IT Solutions	Newtownabbey Antrim	1,001-5,000	140	13
21	Beeks Group	Glasgow	51-200	119	84
22	NTT Ltd. Cloud	London	201-500	112	58
23	RDX	London	501-1,000	110	9
24	VCG Technology Services	Stockport	51-200	105	53
25	Krome Technologies LTD	Manchester	51-200	99	68

Showing 25 of 1,749 cloud infrastructure support providers based in the United Kingdom

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Cloud infrastructure support providers based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 495 HQs

4,548Contacts with mobile numbers

114Emails re-verified in last 30 days

Companies by employee count

1-10

942

11-50

581

51-200

127

201-500

501-1,000

1,001-5,000

5,001-10,000

Cloud infrastructure support providers by metro

Metro	Companies
Cloud infrastructure support providers in London	495
Cloud infrastructure support providers in Manchester	47
Cloud infrastructure support providers in Leeds	24
Cloud infrastructure support providers in Bristol	22
Cloud infrastructure support providers in Birmingham	20
Cloud infrastructure support providers in Glasgow	19
Cloud infrastructure support providers in Sheffield	15

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 support providers”, 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; 114 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 support providers are there based in the United Kingdom?

There are 1,749 cloud infrastructure support providers headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most cloud infrastructure support providers?

London leads with 495 headquartered companies, followed by Manchester (47) and Leeds (24).

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 15,093 verified decision-maker contacts tracked across these 1,749 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.