Company lists · Data verified August 2026

Top 25 Cloud encryption software companies based in the United Kingdom

Name: Cloud encryption 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 87 companies tracked

There are 87 cloud encryption software companies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 1,096 professional contacts across them, including 498 with verified work emails and 171 with mobile numbers. London is the largest hub.

This list covers cloud encryption 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.

87Companies

1,096Contacts tracked

498Verified emails

171Mobile numbers

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

Ranked by team size

Top 25 of 87 cloud encryption 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	Synacor	London	201-500	182	81
2	CTERA	London	51-200	176	137
3	Echoworx	London	51-200	79	50
4	Cryptomathic	London	51-200	77	46
5	Iland 11 11 Systems	Ascot	1,001-5,000	59	20
6	Eticloud	Sheffield	51-200	46	17
7	Galaxkey	St. Albans	51-200	38	29
8	Genie9	London	51-200	36	2
9	IT Farm LTD	Manchester	11-50	35	1
10	Istorage Limited	Greenford	11-50	31	18
11	Livedrive	London	11-50	21	4
12	QWARE	Winchester	11-50	18	10
13	Beyond Encryption	Fareham	51-200	15	13
14	Datel Advansys	Warrington	11-50	14	11
15	JPY	London	1-10	13	5
16	YESNO	Cardiff	1-10	13	1
17	Stayprivate	Gerrards Cross	11-50	12	6
18	Cyber1st	Hq	11-50	12	4
19	Files.Fm Cloud Storage	Daresbury	51-200	12	2
20	IDZ	London	11-50	12	1
21	peasoup.cloud	Woking	1-10	11	9
22	Zappaty	Edinburgh	1-10	11	5
23	apptc.me	London	11-50	11	1
24	Netmetix LTD	Coventry	11-50	7	2
25	Gospel Technology	London	11-50	7	2

Showing 25 of 87 cloud encryption software companies based in the United Kingdom

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

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 30 HQs

171Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Cloud encryption software companies by metro

Metro	Companies
Cloud encryption software companies in London	30
Cloud encryption software companies in Manchester	3
Cloud encryption software companies in Glasgow	3
Cloud encryption software companies in Cheltenham	2
Cloud encryption software companies in Nottingham	2
Cloud encryption software companies in Coventry	1
Cloud encryption software companies in Daresbury	1

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 encryption 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; 2 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 encryption software companies are there based in the United Kingdom?

There are 87 cloud encryption software companies headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

Synacor, headquartered in London, tops this list with the largest team on record.

Which city has the most cloud encryption software companies?

London leads with 30 headquartered companies, followed by Manchester (3) and Glasgow (3).

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 498 verified decision-maker contacts tracked across these 87 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.