Company lists · Data verified August 2026

Top 25 Cloud connectivity consulting firms based in the United Kingdom

Name: Cloud connectivity 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 892 companies tracked

There are 892 cloud connectivity consulting firms headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 35,423 professional contacts across them, including 4,255 with verified work emails and 1,191 with mobile numbers. London is the largest hub.

This list covers cloud connectivity 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.

892Companies

35,423Contacts tracked

4,255Verified emails

1,191Mobile numbers

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

Ranked by team size

Top 25 of 892 cloud connectivity 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	Sada, An Insight Company	Poole	10001+	872	139
2	Nasstar	Wakefield	1,001-5,000	841	381
3	Sourcefuse	London	501-1,000	669	288
4	Devoteam Google Cloud Partner	London	501-1,000	546	130
5	Iomart	Glasgow	201-500	422	200
6	ACORA	Tufton Warren	501-1,000	421	302
7	KOCHO	London	201-500	299	189
8	Armakuni	London	201-500	264	160
9	BUI	Derby	51-200	250	19
10	Proact IT Group AB	Leeds	1,001-5,000	224	79
11	Fournet	Derby	201-500	173	115
12	Cloud Direct	n/a	51-200	168	106
13	NTT Ltd. Cloud	London	201-500	112	58
14	RDX	London	501-1,000	110	9
15	IDEAL	Brighton	51-200	96	40
16	DOT Collective	London	51-200	90	49
17	Sysgroup	London	51-200	88	55
18	Xtravirt	London	51-200	83	47
19	CTM	London	51-200	83	11
20	Virtual IT LTD	Laindon	51-200	79	51
21	ADM Computing	Canterbury	51-200	72	59
22	Tuliptech	Leicester	51-200	68	39
23	Cogeco Peer 1	Southampton	501-1,000	67	7
24	Nimbus	Stratford-Upon-Avon	51-200	63	13
25	Cloudplexo	London	51-200	60	29

Showing 25 of 892 cloud connectivity consulting firms based in the United Kingdom

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

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 362 HQs

1,191Contacts with mobile numbers

20Emails re-verified in last 30 days

Companies by employee count

1-10

553

11-50

239

51-200

201-500

501-1,000

1,001-5,000

10001+

Cloud connectivity consulting firms by metro

Metro	Companies
Cloud connectivity consulting firms in London	362
Cloud connectivity consulting firms in Manchester	34
Cloud connectivity consulting firms in Leeds	14
Cloud connectivity consulting firms in Reading	12
Cloud connectivity consulting firms in Milton Keynes	11
Cloud connectivity consulting firms in Newcastle Upon Tyne	10
Cloud connectivity consulting firms in Bristol	9

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 connectivity 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; 20 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 connectivity consulting firms are there based in the United Kingdom?

There are 892 cloud connectivity consulting firms headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

Sada, An Insight Company, headquartered in Poole, tops this list with the largest team on record.

Which city has the most cloud connectivity consulting firms?

London leads with 362 headquartered companies, followed by Manchester (34) and Leeds (14).

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 4,255 verified decision-maker contacts tracked across these 892 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.