Company lists · Data verified August 2026

Top 19 Data protection software companies based in the United Kingdom

Name: Data protection 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 44 companies tracked

There are 44 data protection software companies headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 748 professional contacts across them, including 124 with verified work emails and 52 with mobile numbers. London is the largest hub.

This list covers data protection 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.

44Companies

748Contacts tracked

124Verified emails

52Mobile numbers

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The 19 largest data protection software companies based in the United Kingdom

Ranked by team size

Top 19 of 44 data protection 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	Harbor Solutions	St Albans	11-50	45	33
2	Genie9	London	51-200	36	2
3	Oriium	London	51-200	34	19
4	Idecsi	London	11-50	29	19
5	Cristie Software LTD	Stroud	51-200	26	16
6	Compuware	Borehamwood	51-200	26	2
7	Gdprlocal LTD	Brighton	11-50	18	13
8	Silverstring Part Of The Celerity Group	Bloxham	11-50	6	2
9	Pixalert	Ows	11-50	6	2
10	Backup Systems LTD	Edinburgh	1-10	5	3
11	DB Cybertech	London	51-200	5	1
12	Verifoxx	London	1-10	4	3
13	Proteus-Cyber LTD	London	1-10	4	1
14	Penross UK	Hove	1-10	4	1
15	Securedesk Limited	Office	1-10	3	2
16	Cqre.Net LTD	Edinburgh	1-10	2	2
17	Data2vault	Bedford	1-10	1	1
18	Dunwell Data Protection	York	1-10	1	1
19	The Privacy Worx LTD	London	1-10	1	1

Showing 19 of 44 data protection software companies based in the United Kingdom

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Data protection software companies based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 12 HQs

52Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Data protection software companies by metro

Metro	Companies
Data protection software companies in London	12
Data protection software companies in Edinburgh	2
Data protection software companies in Brighton	2
Data protection software companies in St Albans	1
Data protection software companies in Abingdon	1
Data protection software companies in Cramlington Newcastle Upon Tyne	1
Data protection software companies in Glasgow	1
Data protection software companies in Bloxham	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 “data protection 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; 0 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 data protection software companies are there based in the United Kingdom?

There are 44 data protection software companies headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

Harbor Solutions, headquartered in St Albans, tops this list with the largest team on record.

Which city has the most data protection software companies?

London leads with 12 headquartered companies, followed by Edinburgh (2) and Brighton (2).

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 124 verified decision-maker contacts tracked across these 44 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.