Company lists · Data refreshed October 2026

Top 25 5g cybersecurity providers based in the United Kingdom

RevenueBase identified 230 company matches for 5g cybersecurity providers associated with the United Kingdom as of October 2026 and tracks 8,317 professional contacts across them, including 3,941 with verified work emails. London is the largest hub.

This list covers company matches for 5g cybersecurity providers associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 1, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 1, 2026 How this list was built
230Companies
8,317Contacts tracked
3,941Verified emails
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The 25 largest 5g cybersecurity providers based in the United Kingdom

Ranked by team size
Top 25 of 230 company matches for 5g cybersecurity providers based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchAbingdon, United KingdomHQ recorded Oct 1, 20265,001-10,0004,925 contacts →

Exact match

“Sophos is a cybersecurity leader defending organizations globally with an AI-driven platform and expert-led services.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Oct 1, 2026501-1,000502 contacts →

Exact match

“SecurityHQ, a global cybersecurity company pioneering Security Performance Engineering for stronger operational performance and resilience.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3Exact matchReading, United KingdomHQ recorded Oct 1, 2026201-500303 contacts →

Exact match

“Bridewell is the trusted cyber security partner for organisations operating within Critical National Infrastructure (CNI), as well as companies who want the highest standard of…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4Exact matchThatcham, United KingdomHQ recorded Oct 1, 202651-200159 contacts →

Exact match

“At Cyberfort we are passionate about the cyber security services we deliver for our customers which keeps their people, data, systems and technology infrastructure secure…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5Exact matchFleet, United KingdomHQ recorded Oct 1, 202651-200125 contacts →

Exact match

“KHIPU Networks is an award winning international Cyber Security Company delivering a wide range of network, wireless and security solutions, technologies and services across…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Oct 1, 202651-20068 contacts →

Exact match

“With a heritage of creating National Cyber Security Centre certified products, Becrypt, a Leonardo company, is a trusted provider of endpoint cybersecurity software solutions.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7Exact matchBournemouth, United KingdomHQ recorded Oct 1, 202651-20066 contacts →

Exact match

“We help businesses and individuals stay protected in an increasingly complex digital world.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8Exact matchWest Malling, United KingdomHQ recorded Oct 1, 202651-20062 contacts →

Exact match

“Onwave is a trusted provider of connectivity, networking services and geofencing solutions for businesses.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Oct 1, 202651-20060 contacts →

Exact match

“Garrison is a London-based cybersecurity company founded in 2014 by David Garfield (CEO) and Henry Harrison (Chief Scientist).”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Oct 1, 202651-20052 contacts →

Exact match

“CyberOwl helps asset operators in the maritime and critical national infrastructure sectors gain visibility, cyber security and cyber compliance of systems on their distributed…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Oct 1, 202651-20052 contacts →

Exact match

“At Hexegic we are not just passionate about protecting data through our Cyber services we are passionate about helping companies release the potential of the data they hold…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12Exact matchEdinburgh, United KingdomHQ recorded Oct 1, 2026201-50051 contacts →

Exact match

“We are Adarma, independent leaders in detection and response services.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13Exact matchLuton, United KingdomHQ recorded Oct 1, 202651-20045 contacts →

Exact match

“Established in 2004 (acquired by Gamma in 2023), Satisnet, a Gamma company is a pedigree-proven cyber security services and solutions specialist with a fully UK-based 24x7x365 SOC.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14Exact matchBirmingham, United KingdomHQ recorded Oct 1, 202651-20042 contacts →

Exact match

“CyberQ Group is an award-winning, venture-backed, and globally accredited [ISO27K and CREST] cybersecurity leader dedicated to bridging the "protection gap" for high-stakes…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15Exact matchWinfrith Newburgh, United KingdomHQ recorded Oct 1, 202611-5036 contacts →

Exact match

“X-Net (Services) Ltd Formerly known as Kimcell Ltd, incorporating the X-Net, e-mango and Datacenta Hosting brands.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16Exact matchCheltenham, United KingdomHQ recorded Oct 1, 202611-5031 contacts →

Exact match

“Salus is a provider of world-class cyber security services, enabling our clients to identify and manage their cyber risks proactively and effectively.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17Exact matchLancaster, United KingdomHQ recorded Oct 1, 202611-5030 contacts →

Exact match

“Cyber security can feel overwhelming.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18Exact matchEynsham, United KingdomHQ recorded Oct 1, 202611-5029 contacts →

Exact match

“ITB is a leading supplier of Cybersecurity solutions and services, supported by our strong partnerships with world-class IT Solution providers.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Oct 1, 202611-5028 contacts →

Exact match

“In today’s hyper-connected digital world, protecting any organization's assets against novel, sophisticated and aggressive cyber threats means reversing that hyper-connection when…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Oct 1, 202651-20025 contacts →

Exact match

“Encode is now part of Obrela Security Industries collectively delivering cutting edge Cyber Security Services, empowering organizations to better protect against cyber threats.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21Exact matchCheltenham, United KingdomHQ recorded Oct 1, 202611-5025 contacts →

Exact match

“At CyberWhiz, we build next-generation IoT Cyber Security solutions across the three pillars of IoT, which are Edge·Mobile·Cloud.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22Exact matchPeterborough, United KingdomHQ recorded Oct 1, 202651-20023 contacts →

Exact match

“Check Point Partner of the Year 2022 CRN MSSP of the Year 2021 Pentesec has been challenging the status quo in Cyber Security since 2014 when 5 industry veterans decided they were…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23Exact matchNorthampton, United KingdomHQ recorded Oct 1, 202611-5023 contacts →

Exact match

“4Secure is a trusted provider of software defined, cross-network/cross-domain cybersecurity solutions for commercial, government and defence.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24Exact matchChester, United KingdomHQ recorded Oct 1, 202611-5022 contacts →

Exact match

“Protos Networks is an award-winning network and cyber security services specialist based in the North West of England.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25Exact matchEast Grinstead, United KingdomHQ recorded Oct 1, 202611-5022 contacts →

Exact match

“Blue Cube Security is a trusted UK cyber security partner with over 25 years of experience helping organisations stay secure in an increasingly complex digital world.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase

Showing 25 of 230 5g cybersecurity providers based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 3,941 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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5g cybersecurity providers based in the United Kingdom at a glance

As of Oct 1, 2026
47.4%Verified-email coverage
36.2Average contacts per company
1-10Median size (employees)
39.1%Largest-city concentration · London
Oct 1, 2026Page data refreshed

Companies by employee count

1-10
129
11-50
74
51-200
17
201-500
4
501-1,000
3
1,001-5,000
1
5,001-10,000
2

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 230 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United Kingdom whose business descriptions match “5g cybersecurity providers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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
Every displayed company carries at least one verified work email. RevenueBase tracks 3,941 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on October 1, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

5g cybersecurity providers by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “5g cybersecurity providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many 5g cybersecurity providers are there based in the United Kingdom?

RevenueBase identified 230 company matches for 5g cybersecurity providers associated with the United Kingdom as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Sophos tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most 5g cybersecurity providers?

London leads with 90 company records, followed by Manchester (10) and Cheltenham (6).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 3,941 professional contacts with verified work emails tracked across these 230 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 1, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.