Company lists · Data verified August 2026

Top 25 Cloud consulting firms based in the United Kingdom

Name: Cloud consulting firms 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 1,120 companies tracked

There are 1,120 cloud consulting firms headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 50,987 professional contacts across them, including 11,100 with verified work emails and 5,299 with mobile numbers. London is the largest hub.

This list covers cloud consulting firms 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.

1,120Companies

50,987Contacts tracked

11,100Verified emails

5,299Mobile numbers

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The 25 largest cloud consulting firms based in the United Kingdom

Ranked by team size

Top 25 of 1,120 cloud consulting firms 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	Ensono	Staines-Upon-Thames	1,001-5,000	3,246	1,963
2	Sada, An Insight Company	Poole	10001+	872	139
3	Sourcefuse	London	501-1,000	669	288
4	Devoteam Google Cloud Partner	London	501-1,000	546	130
5	Dynatech Systems	Leeds	501-1,000	478	249
6	Evosys	London	1,001-5,000	441	110
7	Iomart	Glasgow	201-500	422	200
8	ACORA	Tufton Warren	501-1,000	421	302
9	Zenzero	Coventry	501-1,000	403	281
10	Caelius Consulting	London	201-500	280	152
11	Armakuni	London	201-500	264	160
12	BUI	Derby	51-200	250	19
13	Proact IT Group AB	Leeds	1,001-5,000	224	79
14	Absolutelabs	London	201-500	190	101
15	ENXOO	London	201-500	175	132
16	Contino, A Cognizant Company	n/a	201-500	159	48
17	NTT Ltd. Cloud	London	201-500	112	58
18	Amber Labs	London	51-200	111	52
19	RDX	London	501-1,000	110	9
20	Grey Matter	Ashburton	51-200	103	51
21	Adapt A Datapipe Company	London	201-500	98	4
22	Groupbwt	London	51-200	92	7
23	Colibri Digital	n/a	51-200	91	61
24	Sysgroup	London	51-200	88	55
25	Trident	Brighton	51-200	81	47

Showing 25 of 1,120 cloud consulting firms based in the United Kingdom

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Cloud consulting firms based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 488 HQs

5,299Contacts with mobile numbers

52Emails re-verified in last 30 days

Companies by employee count

1-10

682

11-50

295

51-200

104

201-500

501-1,000

1,001-5,000

10001+

Cloud consulting firms by metro

Metro	Companies
Cloud consulting firms in London	488
Cloud consulting firms in Manchester	53
Cloud consulting firms in Leeds	18
Cloud consulting firms in Glasgow	15
Cloud consulting firms in Bristol	14
Cloud consulting firms in Reading	12
Cloud consulting firms in Newcastle Upon Tyne	12

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 consulting firms”, 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; 52 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 consulting firms are there based in the United Kingdom?

There are 1,120 cloud consulting firms headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

Ensono, headquartered in Staines-Upon-Thames, tops this list with the largest team on record.

Which city has the most cloud consulting firms?

London leads with 488 headquartered companies, followed by Manchester (53) and Leeds (18).

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 11,100 verified decision-maker contacts tracked across these 1,120 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.