Company lists · Data verified August 2026

Top 25 Cloud migration companies based in the United Kingdom

Name: Cloud migration 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 667 companies tracked

There are 667 cloud migration companies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 33,339 professional contacts across them, including 3,683 with verified work emails and 976 with mobile numbers. London is the largest hub.

This list covers cloud migration 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.

667Companies

33,339Contacts tracked

3,683Verified emails

976Mobile numbers

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The 25 largest cloud migration companies based in the United Kingdom

Ranked by team size

Top 25 of 667 cloud migration 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	Sourcefuse	London	501-1,000	669	288
2	Ahana Systems And Solutions Pvt. LTD	London	501-1,000	645	183
3	Devoteam Google Cloud Partner	London	501-1,000	546	130
4	Iomart	Glasgow	201-500	422	200
5	ACORA	Tufton Warren	501-1,000	421	302
6	Babble	Basildon	201-500	397	285
7	KOCHO	London	201-500	299	189
8	BUI	Derby	51-200	250	19
9	Proact IT Group AB	Leeds	1,001-5,000	224	79
10	Proact IT UK	Glasgow	1,001-5,000	206	139
11	Cintra The Multi-Cloud Database Architects	Glasgow	51-200	184	116
12	Cloud Direct	n/a	51-200	168	106
13	RDX	London	501-1,000	110	9
14	Grey Matter	Ashburton	51-200	103	51
15	Adapt A Datapipe Company	London	201-500	98	4
16	Sysgroup	London	51-200	88	55
17	Technimove	London	51-200	86	55
18	CTM	London	51-200	83	11
19	Mismo Systems	Manchester	51-200	73	37
20	ADM Computing	Canterbury	51-200	72	59
21	Tuliptech	Leicester	51-200	68	39
22	Cogeco Peer 1	Southampton	501-1,000	67	7
23	Nimbus	Stratford-Upon-Avon	51-200	63	13
24	Cloudplexo	London	51-200	60	29
25	Iland 11 11 Systems	Ascot	1,001-5,000	59	20

Showing 25 of 667 cloud migration companies based in the United Kingdom

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Cloud migration companies based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 269 HQs

976Contacts with mobile numbers

19Emails re-verified in last 30 days

Companies by employee count

1-10

395

11-50

190

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Cloud migration companies by metro

Metro	Companies
Cloud migration companies in London	269
Cloud migration companies in Manchester	31
Cloud migration companies in Leeds	11
Cloud migration companies in Bristol	10
Cloud migration companies in Glasgow	9
Cloud migration companies in Reading	8
Cloud migration companies in Newcastle Upon Tyne	7

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 migration 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; 19 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 migration companies are there based in the United Kingdom?

There are 667 cloud migration companies headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most cloud migration companies?

London leads with 269 headquartered companies, followed by Manchester (31) and Leeds (11).

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 3,683 verified decision-maker contacts tracked across these 667 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.