Company lists · Data verified August 2026

Top 25 Cloud migration consulting firms based in the United Kingdom

Name: Cloud migration 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 718 companies tracked

There are 718 cloud migration consulting firms headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 34,854 professional contacts across them, including 4,740 with verified work emails and 1,851 with mobile numbers. London is the largest hub.

This list covers cloud migration 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.

718Companies

34,854Contacts tracked

4,740Verified emails

1,851Mobile numbers

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The 25 largest cloud migration consulting firms based in the United Kingdom

Ranked by team size

Top 25 of 718 cloud migration 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	Sourcefuse	London	501-1,000	669	288
3	Devoteam Google Cloud Partner	London	501-1,000	546	130
4	Armakuni	London	201-500	264	160
5	BUI	Derby	51-200	250	19
6	Proact IT Group AB	Leeds	1,001-5,000	224	79
7	Absolutelabs	London	201-500	190	101
8	Cintra The Multi-Cloud Database Architects	Glasgow	51-200	184	116
9	Cloud Direct	n/a	51-200	168	106
10	Contino, A Cognizant Company	n/a	201-500	159	48
11	RDX	London	501-1,000	110	9
12	DOT Collective	London	51-200	90	49
13	Sysgroup	London	51-200	88	55
14	Xtravirt	London	51-200	83	47
15	CTM	London	51-200	83	11
16	Mismo Systems	Manchester	51-200	73	37
17	Tuliptech	Leicester	51-200	68	39
18	Cogeco Peer 1	Southampton	501-1,000	67	7
19	Nimbus	Stratford-Upon-Avon	51-200	63	13
20	Applicable	Bristol	51-200	60	41
21	Cloudplexo	London	51-200	60	29
22	Appvia	London	51-200	58	35
23	Blakyaks	London	51-200	52	37
24	Alscient	Leeds	51-200	51	39
25	Xillio	York	51-200	49	33

Showing 25 of 718 cloud migration consulting firms based in the United Kingdom

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Cloud migration consulting firms based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 300 HQs

1,851Contacts with mobile numbers

19Emails re-verified in last 30 days

Companies by employee count

1-10

448

11-50

197

51-200

201-500

501-1,000

1,001-5,000

Cloud migration consulting firms by metro

Metro	Companies
Cloud migration consulting firms in London	300
Cloud migration consulting firms in Manchester	33
Cloud migration consulting firms in Leeds	15
Cloud migration consulting firms in Bristol	13
Cloud migration consulting firms in Glasgow	9
Cloud migration consulting firms in Reading	9
Cloud migration consulting firms in Milton Keynes	8

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 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; 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 consulting firms are there based in the United Kingdom?

There are 718 cloud migration 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 migration consulting firms?

London leads with 300 headquartered companies, followed by Manchester (33) and Leeds (15).

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 4,740 verified decision-maker contacts tracked across these 718 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.