Company lists · Data verified August 2026

Top 25 Cloud based software companies based in the United Kingdom

Name: Cloud based 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 404 companies tracked

There are 404 cloud based software companies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 13,028 professional contacts across them, including 6,272 with verified work emails and 1,054 with mobile numbers. London is the largest hub.

This list covers cloud based 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.

404Companies

13,028Contacts tracked

6,272Verified emails

1,054Mobile numbers

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The 25 largest cloud based software companies based in the United Kingdom

Ranked by team size

Top 25 of 404 cloud based 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	The Access Group	London	5,001-10,000	6,064	3,914
2	Iris Software Group	Slough	1,001-5,000	2,294	1,244
3	Priority Software	Oxford	501-1,000	426	263
4	Cynoteck Technology Solutions	London	201-500	194	101
5	Synacor	London	201-500	182	81
6	Softbrands	n/a	501-1,000	177	16
7	Onlyoffice	London	51-200	125	2
8	Khired Networks	London	51-200	89	26
9	Coserve Software Solutions	Basingstoke	51-200	86	4
10	kpi.com	London	51-200	85	2
11	Awery Aviation Software	Nottingham	51-200	78	9
12	Exel Computer Systems PLC	Nottingham	51-200	69	37
13	Workbooks CRM	Reading	51-200	63	44
14	Iscorp	Newbury	51-200	57	4
15	Capsule	Manchester	11-50	56	30
16	Sci-Net Business Solutions	Chipping Norton	11-50	54	46
17	Pegasus Software	Kettering	51-200	41	6
18	Synergy Technology LTD	Cambourne	11-50	34	25
19	Raideit	London	11-50	31	13
20	Eventura	Bolton	11-50	29	19
21	Prospect CRM	Loughborough	51-200	23	12
22	Brightbridge	Sharnford	11-50	22	14
23	HDUK	Carnforth	11-50	22	14
24	Itouchvision	London	11-50	22	1
25	Zentive Group	Fareham	11-50	19	10

Showing 25 of 404 cloud based software companies based in the United Kingdom

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Cloud based software companies based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 113 HQs

1,054Contacts with mobile numbers

23Emails re-verified in last 30 days

Companies by employee count

1-10

245

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Cloud based software companies by metro

Metro	Companies
Cloud based software companies in London	113
Cloud based software companies in Manchester	8
Cloud based software companies in Bristol	8
Cloud based software companies in Nottingham	6
Cloud based software companies in Reading	6
Cloud based software companies in Edinburgh	6
Cloud based software companies in Birmingham	5

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 based 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; 23 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 based software companies are there based in the United Kingdom?

There are 404 cloud based software companies headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

The Access Group, headquartered in London, tops this list with the largest team on record.

Which city has the most cloud based software companies?

London leads with 113 headquartered companies, followed by Manchester (8) and Bristol (8).

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 6,272 verified decision-maker contacts tracked across these 404 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.