Company lists · Data verified August 2026

Top 25 Cloud development companies based in the United Kingdom

Name: Cloud development 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 1,004 companies tracked

There are 1,004 cloud development companies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 52,316 professional contacts across them, including 13,784 with verified work emails and 4,979 with mobile numbers. London is the largest hub.

This list covers cloud development 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.

1,004Companies

52,316Contacts tracked

13,784Verified emails

4,979Mobile numbers

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The 25 largest cloud development companies based in the United Kingdom

Ranked by team size

Top 25 of 1,004 cloud development 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	Nutanix	London	5,001-10,000	8,999	6,903
2	Ensono	Staines-Upon-Thames	1,001-5,000	3,246	1,963
3	Bytes Software Services	Portsmouth	501-1,000	784	523
4	Systems Plus	Reading	501-1,000	735	79
5	Sourcefuse	London	501-1,000	669	288
6	Aress Software	Hampshire	501-1,000	654	165
7	Ahana Systems And Solutions Pvt. LTD	London	501-1,000	645	183
8	Devoteam Google Cloud Partner	London	501-1,000	546	130
9	Evosys	London	1,001-5,000	441	110
10	Iomart	Glasgow	201-500	422	200
11	Babble	Basildon	201-500	397	285
12	Excelencia	London	201-500	377	122
13	Hashroot	Farnborough	201-500	333	2
14	Biztech Consulting & Solutions	Ruislip Ruislip	201-500	317	10
15	BUI	Derby	51-200	250	19
16	Proact IT Group AB	Leeds	1,001-5,000	224	79
17	Redpanda Software	London	51-200	191	1
18	Cintra The Multi-Cloud Database Architects	Glasgow	51-200	184	116
19	ENXOO	London	201-500	175	132
20	Creative ITC	London	201-500	175	99
21	Cloud Direct	n/a	51-200	168	106
22	Whishworks IS NOW Coforge	London Windsor	201-500	163	47
23	Transputec LTD	n/a	51-200	154	73
24	Aker Systems	Bicester	51-200	113	78
25	RDX	London	501-1,000	110	9

Showing 25 of 1,004 cloud development companies based in the United Kingdom

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Cloud development companies based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 426 HQs

4,979Contacts with mobile numbers

92Emails re-verified in last 30 days

Companies by employee count

1-10

580

11-50

297

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Cloud development companies by metro

Metro	Companies
Cloud development companies in London	426
Cloud development companies in Manchester	35
Cloud development companies in Leeds	15
Cloud development companies in Birmingham	14
Cloud development companies in Milton Keynes	11
Cloud development companies in Reading	10
Cloud development companies in Nottingham	10

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 development 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; 92 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 development companies are there based in the United Kingdom?

There are 1,004 cloud development companies 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 development companies?

London leads with 426 headquartered companies, followed by Manchester (35) 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 13,784 verified decision-maker contacts tracked across these 1,004 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.