Company lists · Data verified August 2026

Top 25 Cloud software companies based in the United Kingdom

Name: Cloud software 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 370 companies tracked

There are 370 cloud software companies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 16,298 professional contacts across them, including 8,012 with verified work emails and 2,050 with mobile numbers. London is the largest hub.

This list covers cloud software 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.

370Companies

16,298Contacts tracked

8,012Verified emails

2,050Mobile numbers

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The 25 largest cloud software companies based in the United Kingdom

Ranked by team size

Top 25 of 370 cloud software 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	AVEVA	Cambridge	5,001-10,000	6,895	3,558
2	The Access Group	London	5,001-10,000	6,064	3,914
3	Synacor	London	201-500	182	81
4	Onlyoffice	London	51-200	125	2
5	Iland 11 11 Systems	Ascot	1,001-5,000	59	20
6	Iscorp	Newbury	51-200	57	4
7	Sci-Net Business Solutions	Chipping Norton	11-50	54	46
8	Softwareone UK	London	n/a	42	29
9	Pegasus Software	Kettering	51-200	41	6
10	IT Farm LTD	Manchester	11-50	35	1
11	Skye Cloud LTD	London London	11-50	28	20
12	HDUK	Carnforth	11-50	22	14
13	Itouchvision	London	11-50	22	1
14	Bpower2	London	11-50	21	10
15	Zentive Group	Fareham	11-50	19	10
16	QWARE	Winchester	11-50	18	10
17	Zumzum	Stockport	11-50	18	6
18	RUBIK	Birmingham	11-50	16	6
19	BCSG	London	51-200	15	2
20	Ilexius Gmbh	Fetcham Park Fetcham	11-50	14	12
21	Datel Advansys	Warrington	11-50	14	11
22	AIMES	Liverpool	51-200	14	2
23	Charthouse Data Management LTD	Poole	11-50	13	7
24	Mountfields Lodge School	Loughborough	51-200	12	10
25	Inforgen	Peebles	11-50	11	10

Showing 25 of 370 cloud software companies based in the United Kingdom

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Cloud software companies based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 109 HQs

2,050Contacts with mobile numbers

33Emails re-verified in last 30 days

Companies by employee count

1-10

228

11-50

51-200

201-500

1,001-5,000

5,001-10,000

10001+

Cloud software companies by metro

Metro	Companies
Cloud software companies in London	109
Cloud software companies in Edinburgh	8
Cloud software companies in Manchester	6
Cloud software companies in Nottingham	6
Cloud software companies in Bristol	6
Cloud software companies in Cambridge	5
Cloud software companies in Glasgow	4

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 software 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; 33 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 software companies are there based in the United Kingdom?

There are 370 cloud software companies headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

AVEVA, headquartered in Cambridge, tops this list with the largest team on record.

Which city has the most cloud software companies?

London leads with 109 headquartered companies, followed by Edinburgh (8) and Manchester (6).

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 8,012 verified decision-maker contacts tracked across these 370 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.