Company lists · Data refreshed September 2026
Top 25 Cybersecurity skills testing platforms based in the United Kingdom
RevenueBase identified 283 company matches for cybersecurity skills testing platforms associated with the United Kingdom as of September 2026 and tracks 14,392 professional contacts across them, including 1,288 with verified work emails and 744 with mobile numbers. London is the largest hub.
This list covers company matches for cybersecurity skills testing platforms 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 September 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.
The 25 largest cybersecurity skills testing platforms based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 5,938 contacts → | ||||
Exact match “HackerOne is a global leader in Continuous Threat Exposure Management (CTEM) and the only solution provider that pairs the simultaneous trust of the Fortune 500 and the world's…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 2 | 2,923 contacts → | ||||
Exact match “TryHackMe takes the pain out of learning and teaching Cybersecurity.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 3 | 1,946 contacts → | ||||
Exact match “Hack The Box is the leading AI-powered cybersecurity readiness and upskilling platform, trusted by 1,500+ organizations worldwide, including Fortune 500 enterprises, government…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 4 | 173 contacts → | ||||
Exact match “Centri (formerly Security Blue Team) is the leading practical defensive cybersecurity training company, offering free courses, blue team certifications, and a portfolio of…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 5 | 83 contacts → | ||||
Exact match “Cybersecurity should be simple.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 6 | 83 contacts → | ||||
Exact match “CYBER RANGES is the next-generation cyber range for the development of cyber capabilities and the validation of cyber security skills and organizational cyber resilience.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 7 | 65 contacts → | ||||
Exact match “YOU DESERVE TO BE HACKED®.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 8 | 55 contacts → | ||||
Exact match “SANS is the world's largest and most trusted provider of cyber security training.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 9 | 41 contacts → | ||||
Exact match “CoreTech is a specialist cyber security company whose people are motivated by the desire to deliver exceptional capabilities coupled with a real sense of mission.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 10 | 40 contacts → | ||||
Exact match “The all-in-one cyber security platform that grows with you.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 11 | 36 contacts → | ||||
Exact match “Proofpoint Security Awareness Training was acquired by Proofpoint.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 12 | 36 contacts → | ||||
Exact match “Boxphish is a low touch cyber-SAT platform that arms organisations and their people, with the tools and knowledge needed to spot cyber attacks.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 13 | 35 contacts → | ||||
Exact match “RedHunt Labs is a research-driven cybersecurity company delivering Continuous Threat Exposure Management (CTEM), PTaaS, and AI Exposure Security.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 14 | 34 contacts → | ||||
Exact match “Secarma exists to keep the world safe.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 15 | 33 contacts → | ||||
Exact match “NotSoSecure Training, part of Claranet Cyber Security.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 16 | 32 contacts → | ||||
Exact match “Aristi is a specialist provider of cyber security services with over 17 years of experience.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 17 | 31 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 · Sep 1, 2026 · View company records in RevenueBase | |||||
| 18 | 30 contacts → | ||||
Exact match “Cyber security can feel overwhelming.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 19 | 29 contacts → | ||||
Exact match “We work with organisations to improve their information security and data governance through training tools that capture employee attention and build positive new behaviours.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 20 | 26 contacts → | ||||
Exact match “Adeptis Group is known for equipping businesses with a competitive advantage in Cyber.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 21 | 24 contacts → | ||||
Exact match “SSL247 (A Sectigo Company) has nearly 20 years of security consulting experience operating in 18 different markets globally.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 22 | 20 contacts → | ||||
Exact match “Secure Purple is a leading cyber security and digital safety firm that provides innovative solutions and services to help organisations and individuals stay protected in the…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 23 | 19 contacts → | ||||
Exact match “th4ts3cur1ty.company supplies cyber security services internationally.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 24 | 19 contacts → | ||||
Exact match “We are dedicated to advancing cyber security through meticulous assessment of products and services engineered to detect and thwart cyber attacks.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 25 | 19 contacts → | ||||
Exact match “Halo I.S is not just another cybersecurity organization based in the UK; we're a testament to evolution and client-centric innovation.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “cybersecurity skills testing platforms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 283 cybersecurity skills testing platforms based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 1,288 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Cybersecurity skills testing platforms based in the United Kingdom at a glance
As of Sep 1, 2026Companies by employee count
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 “cybersecurity skills testing platforms” 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 1,288 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 September 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.
Cybersecurity skills testing platforms 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 “cybersecurity skills testing platforms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many cybersecurity skills testing platforms are there based in the United Kingdom?
RevenueBase identified 283 company matches for cybersecurity skills testing platforms associated with the United Kingdom as of September 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?
Hackerone tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most cybersecurity skills testing platforms?
London leads with 122 company records, followed by Manchester (18) and Cheltenham (8).
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 1,288 professional contacts with verified work emails tracked across these 283 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 September 1, 2026.
Ready to reach these companies? Verified emails and direct dials for all 283 cybersecurity skills testing platforms based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Cybersecurity skills testing platforms by geography
- Cybersecurity skills testing platforms based in the United States
- Cybersecurity skills testing platforms based in France
- Cybersecurity skills testing platforms based in Australia
- Cybersecurity skills testing platforms based in Canada
- Cybersecurity skills testing platforms based in Germany
- Cybersecurity skills testing platforms based in Brazil
- Cybersecurity skills testing platforms based in the Netherlands
- Cybersecurity skills testing platforms based in Spain
- Cybersecurity skills testing platforms based in Poland
- Cybersecurity skills testing platforms based in Italy
- Cybersecurity skills testing platforms based in Israel
- Cybersecurity skills testing platforms based in Switzerland
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Cybersecurity skills testing platforms based in the United States
- Cybersecurity skills testing platforms based in France
- Cybersecurity skills testing platforms based in Australia
- Cybersecurity skills testing platforms based in Canada
- Cybersecurity skills testing platforms based in Germany
- Cybersecurity skills testing platforms based in Brazil
Company intelligence · public preview
Top 25 cybersecurity skills testing platforms based in the United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 283 matching company records for cybersecurity skills testing platforms based in the United Kingdom, with 14,392 tracked contacts and 1,288 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 1, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 cybersecurity skills testing platforms based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Hackeronehackerone.comHQ: HQ not recorded; location: London, United KingdomReported employees: Not recorded | HQ not recorded; location: London, United Kingdom | Not recorded | Exact match | 5,938 contacts → |
“HackerOne is a global leader in Continuous Threat Exposure Management (CTEM) and the only solution provider that pairs the simultaneous trust of the Fortune 500 and the world's…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Tryhackmetryhackme.comHQ: HQ not recorded; location: London, United KingdomReported employees: Not recorded | HQ not recorded; location: London, United Kingdom | Not recorded | Exact match | 2,923 contacts → |
“TryHackMe takes the pain out of learning and teaching Cybersecurity.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Hack The BOXhackthebox.comHQ: HQ not recorded; location: Folkestone, United KingdomReported employees: Not recorded | HQ not recorded; location: Folkestone, United Kingdom | Not recorded | Exact match | 1,946 contacts → |
“Hack The Box is the leading AI-powered cybersecurity readiness and upskilling platform, trusted by 1,500+ organizations worldwide, including Fortune 500 enterprises, government…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Security Blue Teamcentri.orgHQ: HQ not recorded; location: London, United KingdomReported employees: Not recorded | HQ not recorded; location: London, United Kingdom | Not recorded | Exact match | 173 contacts → |
“Centri (formerly Security Blue Team) is the leading practical defensive cybersecurity training company, offering free courses, blue team certifications, and a portfolio of…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Cybersmartcybersmart.co.uk HQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 83 contacts → |
“Cybersecurity should be simple.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Cyber Rangescyberranges.comHQ: HQ not recorded; location: Sheffield, United KingdomReported employees: 51-200 | HQ not recorded; location: Sheffield, United Kingdom | 51-200 | Exact match | 83 contacts → |
“CYBER RANGES is the next-generation cyber range for the development of cyber capabilities and the validation of cyber security skills and organizational cyber resilience.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Covertswarmcovertswarm.comHQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 65 contacts → |
“YOU DESERVE TO BE HACKED®.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Sans Emeasans.orgHQ: HQ not recorded; location: Swansea, United KingdomReported employees: 201-500 | HQ not recorded; location: Swansea, United Kingdom | 201-500 | Exact match | 55 contacts → |
“SANS is the world's largest and most trusted provider of cyber security training.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Coretech Securitycoretechsec.comHQ: HQ not recorded; location: Cheltenham, United KingdomReported employees: 51-200 | HQ not recorded; location: Cheltenham, United Kingdom | 51-200 | Exact match | 41 contacts → |
“CoreTech is a specialist cyber security company whose people are motivated by the desire to deliver exceptional capabilities coupled with a real sense of mission.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Cybaversecybaverse.co.ukHQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 40 contacts → |
“The all-in-one cyber security platform that grows with you.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Proofpoint Security Awareness Trainingproofpoint.comHQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 36 contacts → |
“Proofpoint Security Awareness Training was acquired by Proofpoint.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Boxphishboxphish.comHQ: HQ not recorded; location: Leeds, United KingdomReported employees: 11-50 | HQ not recorded; location: Leeds, United Kingdom | 11-50 | Exact match | 36 contacts → |
“Boxphish is a low touch cyber-SAT platform that arms organisations and their people, with the tools and knowledge needed to spot cyber attacks.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Redhunt Labsredhuntlabs.comHQ: HQ not recorded; location: London, United KingdomReported employees: 11-50 | HQ not recorded; location: London, United Kingdom | 11-50 | Exact match | 35 contacts → |
“RedHunt Labs is a research-driven cybersecurity company delivering Continuous Threat Exposure Management (CTEM), PTaaS, and AI Exposure Security.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Secarma LTDsecarma.comHQ: HQ not recorded; location: Manchester, United KingdomReported employees: 11-50 | HQ not recorded; location: Manchester, United Kingdom | 11-50 | Exact match | 34 contacts → |
“Secarma exists to keep the world safe.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: HQ not recorded; location: London, United KingdomReported employees: 1,001-5,000 | HQ not recorded; location: London, United Kingdom | 1,001-5,000 | Exact match | 33 contacts → |
“NotSoSecure Training, part of Claranet Cyber Security.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Aristiaristi.co.ukHQ: HQ not recorded; location: Birmingham, United KingdomReported employees: 11-50 | HQ not recorded; location: Birmingham, United Kingdom | 11-50 | Exact match | 32 contacts → |
“Aristi is a specialist provider of cyber security services with over 17 years of experience.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Salus Cybersaluscyber.comHQ: HQ not recorded; location: Cheltenham, United KingdomReported employees: 11-50 | HQ not recorded; location: Cheltenham, United Kingdom | 11-50 | Exact match | 31 contacts → |
“Salus is a provider of world-class cyber security services, enabling our clients to identify and manage their cyber risks proactively and effectively.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Citation Cybercitationcyber.comHQ: HQ not recorded; location: Bailrigg, United KingdomReported employees: 11-50 | HQ not recorded; location: Bailrigg, United Kingdom | 11-50 | Exact match | 30 contacts → |
“Cyber security can feel overwhelming.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Bob's Business The Cybersecurity Culture Companybobsbusiness.co.ukHQ: HQ not recorded; location: Barnsley, United KingdomReported employees: 11-50 | HQ not recorded; location: Barnsley, United Kingdom | 11-50 | Exact match | 29 contacts → |
“We work with organisations to improve their information security and data governance through training tools that capture employee attention and build positive new behaviours.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Adeptis Groupadeptisgroup.comHQ: HQ not recorded; location: Brighton, United KingdomReported employees: 11-50 | HQ not recorded; location: Brighton, United Kingdom | 11-50 | Exact match | 26 contacts → |
“Adeptis Group is known for equipping businesses with a competitive advantage in Cyber.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Ssl247 A Sectigo Companyssl247.comHQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 24 contacts → |
“SSL247 (A Sectigo Company) has nearly 20 years of security consulting experience operating in 18 different markets globally.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Secure Purplesecurepurple.comHQ: HQ not recorded; location: London, United KingdomReported employees: 11-50 | HQ not recorded; location: London, United Kingdom | 11-50 | Exact match | 20 contacts → |
“Secure Purple is a leading cyber security and digital safety firm that provides innovative solutions and services to help organisations and individuals stay protected in the…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  th4ts3cur1ty.companyth4ts3cur1ty.companyHQ: HQ not recorded; location: London, United KingdomReported employees: 11-50 | HQ not recorded; location: London, United Kingdom | 11-50 | Exact match | 19 contacts → |
“th4ts3cur1ty.company supplies cyber security services internationally.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  SE Labsselabs.ukHQ: HQ not recorded; location: London, United KingdomReported employees: 11-50 | HQ not recorded; location: London, United Kingdom | 11-50 | Exact match | 19 contacts → |
“We are dedicated to advancing cyber security through meticulous assessment of products and services engineered to detect and thwart cyber attacks.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Halo I.Shalo-is.co.ukHQ: HQ not recorded; location: Leeds, United KingdomReported employees: 11-50 | HQ not recorded; location: Leeds, United Kingdom | 11-50 | Exact match | 19 contacts → |
“Halo I.S is not just another cybersecurity organization based in the UK; we're a testament to evolution and client-centric innovation.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 283 company matches
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Cybersecurity skills testing platforms: dataset insights
September 1, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
283 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 1, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Cybersecurity skills testing platforms by metro
Questions about this company list
What does Exact match mean for cybersecurity skills testing platforms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many cybersecurity skills testing platforms did RevenueBase find based in the United Kingdom?
The saved snapshot records 283 matching company records, 14,392 tracked contacts and 1,288 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 1, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Cybersecurity skills testing platforms by geography
- Cybersecurity skills testing platforms based in the United States
- Cybersecurity skills testing platforms based in France
- Cybersecurity skills testing platforms based in Australia
- Cybersecurity skills testing platforms based in Canada
- Cybersecurity skills testing platforms based in Germany
- Cybersecurity skills testing platforms based in Brazil
- Cybersecurity skills testing platforms based in the Netherlands
- Cybersecurity skills testing platforms based in Spain
- Cybersecurity skills testing platforms based in Poland
- Cybersecurity skills testing platforms based in Italy
- Cybersecurity skills testing platforms based in Israel
- Cybersecurity skills testing platforms based in Switzerland
Cite this list
RevenueBase Data Team. Top 25 cybersecurity skills testing platforms based in the United Kingdom. Snapshot: September 1, 2026. https://revenuebase.ai/companies/cybersecurity-skills-testing-platforms/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Cybersecurity skills testing platforms based in the United States
- Cybersecurity skills testing platforms based in France
- Cybersecurity skills testing platforms based in Australia
- Cybersecurity skills testing platforms based in Canada
- Cybersecurity skills testing platforms based in Germany
- Cybersecurity skills testing platforms based in Brazil
Company intelligence · public preview
Top 25 cybersecurity skills testing platforms based in the United Kingdom
RevenueBase records 283 matching company records for cybersecurity skills testing platforms based in the United Kingdom, with 14,392 tracked contacts and 1,288 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 1, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 cybersecurity skills testing platforms based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Hackeronehackerone.com HQ: HQ not recorded; location: London, United KingdomReported employees: Not recorded | HQ not recorded; location: London, United Kingdom | Not recorded | Exact match | 5,938 contacts → |
“HackerOne is a global leader in Continuous Threat Exposure Management (CTEM) and the only solution provider that pairs the simultaneous trust of the Fortune 500 and the world's…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Tryhackmetryhackme.com HQ: HQ not recorded; location: London, United KingdomReported employees: Not recorded | HQ not recorded; location: London, United Kingdom | Not recorded | Exact match | 2,923 contacts → |
“TryHackMe takes the pain out of learning and teaching Cybersecurity.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Hack The BOXhackthebox.com HQ: HQ not recorded; location: Folkestone, United KingdomReported employees: Not recorded | HQ not recorded; location: Folkestone, United Kingdom | Not recorded | Exact match | 1,946 contacts → |
“Hack The Box is the leading AI-powered cybersecurity readiness and upskilling platform, trusted by 1,500+ organizations worldwide, including Fortune 500 enterprises, government…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Security Blue Teamcentri.org HQ: HQ not recorded; location: London, United KingdomReported employees: Not recorded | HQ not recorded; location: London, United Kingdom | Not recorded | Exact match | 173 contacts → |
“Centri (formerly Security Blue Team) is the leading practical defensive cybersecurity training company, offering free courses, blue team certifications, and a portfolio of…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Cybersmartcybersmart.co.uk HQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 83 contacts → |
“Cybersecurity should be simple.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Cyber Rangescyberranges.com HQ: HQ not recorded; location: Sheffield, United KingdomReported employees: 51-200 | HQ not recorded; location: Sheffield, United Kingdom | 51-200 | Exact match | 83 contacts → |
“CYBER RANGES is the next-generation cyber range for the development of cyber capabilities and the validation of cyber security skills and organizational cyber resilience.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Covertswarmcovertswarm.com HQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 65 contacts → |
“YOU DESERVE TO BE HACKED®.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Sans Emeasans.org HQ: HQ not recorded; location: Swansea, United KingdomReported employees: 201-500 | HQ not recorded; location: Swansea, United Kingdom | 201-500 | Exact match | 55 contacts → |
“SANS is the world's largest and most trusted provider of cyber security training.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Coretech Securitycoretechsec.com HQ: HQ not recorded; location: Cheltenham, United KingdomReported employees: 51-200 | HQ not recorded; location: Cheltenham, United Kingdom | 51-200 | Exact match | 41 contacts → |
“CoreTech is a specialist cyber security company whose people are motivated by the desire to deliver exceptional capabilities coupled with a real sense of mission.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Cybaversecybaverse.co.uk HQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 40 contacts → |
“The all-in-one cyber security platform that grows with you.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Proofpoint Security Awareness Trainingproofpoint.com HQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 36 contacts → |
“Proofpoint Security Awareness Training was acquired by Proofpoint.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Boxphishboxphish.com HQ: HQ not recorded; location: Leeds, United KingdomReported employees: 11-50 | HQ not recorded; location: Leeds, United Kingdom | 11-50 | Exact match | 36 contacts → |
“Boxphish is a low touch cyber-SAT platform that arms organisations and their people, with the tools and knowledge needed to spot cyber attacks.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Redhunt Labsredhuntlabs.com HQ: HQ not recorded; location: London, United KingdomReported employees: 11-50 | HQ not recorded; location: London, United Kingdom | 11-50 | Exact match | 35 contacts → |
“RedHunt Labs is a research-driven cybersecurity company delivering Continuous Threat Exposure Management (CTEM), PTaaS, and AI Exposure Security.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Secarma LTDsecarma.com HQ: HQ not recorded; location: Manchester, United KingdomReported employees: 11-50 | HQ not recorded; location: Manchester, United Kingdom | 11-50 | Exact match | 34 contacts → |
“Secarma exists to keep the world safe.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: HQ not recorded; location: London, United KingdomReported employees: 1,001-5,000 | HQ not recorded; location: London, United Kingdom | 1,001-5,000 | Exact match | 33 contacts → |
“NotSoSecure Training, part of Claranet Cyber Security.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Aristiaristi.co.uk HQ: HQ not recorded; location: Birmingham, United KingdomReported employees: 11-50 | HQ not recorded; location: Birmingham, United Kingdom | 11-50 | Exact match | 32 contacts → |
“Aristi is a specialist provider of cyber security services with over 17 years of experience.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Salus Cybersaluscyber.com HQ: HQ not recorded; location: Cheltenham, United KingdomReported employees: 11-50 | HQ not recorded; location: Cheltenham, United Kingdom | 11-50 | Exact match | 31 contacts → |
“Salus is a provider of world-class cyber security services, enabling our clients to identify and manage their cyber risks proactively and effectively.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Citation Cybercitationcyber.com HQ: HQ not recorded; location: Bailrigg, United KingdomReported employees: 11-50 | HQ not recorded; location: Bailrigg, United Kingdom | 11-50 | Exact match | 30 contacts → |
“Cyber security can feel overwhelming.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Bob's Business The Cybersecurity Culture Companybobsbusiness.co.uk HQ: HQ not recorded; location: Barnsley, United KingdomReported employees: 11-50 | HQ not recorded; location: Barnsley, United Kingdom | 11-50 | Exact match | 29 contacts → |
“We work with organisations to improve their information security and data governance through training tools that capture employee attention and build positive new behaviours.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Adeptis Groupadeptisgroup.com HQ: HQ not recorded; location: Brighton, United KingdomReported employees: 11-50 | HQ not recorded; location: Brighton, United Kingdom | 11-50 | Exact match | 26 contacts → |
“Adeptis Group is known for equipping businesses with a competitive advantage in Cyber.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Ssl247 A Sectigo Companyssl247.com HQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 24 contacts → |
“SSL247 (A Sectigo Company) has nearly 20 years of security consulting experience operating in 18 different markets globally.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Secure Purplesecurepurple.com HQ: HQ not recorded; location: London, United KingdomReported employees: 11-50 | HQ not recorded; location: London, United Kingdom | 11-50 | Exact match | 20 contacts → |
“Secure Purple is a leading cyber security and digital safety firm that provides innovative solutions and services to help organisations and individuals stay protected in the…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | th4ts3cur1ty.companyth4ts3cur1ty.company HQ: HQ not recorded; location: London, United KingdomReported employees: 11-50 | HQ not recorded; location: London, United Kingdom | 11-50 | Exact match | 19 contacts → |
“th4ts3cur1ty.company supplies cyber security services internationally.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | SE Labsselabs.uk HQ: HQ not recorded; location: London, United KingdomReported employees: 11-50 | HQ not recorded; location: London, United Kingdom | 11-50 | Exact match | 19 contacts → |
“We are dedicated to advancing cyber security through meticulous assessment of products and services engineered to detect and thwart cyber attacks.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Halo I.Shalo-is.co.uk HQ: HQ not recorded; location: Leeds, United KingdomReported employees: 11-50 | HQ not recorded; location: Leeds, United Kingdom | 11-50 | Exact match | 19 contacts → |
“Halo I.S is not just another cybersecurity organization based in the UK; we're a testament to evolution and client-centric innovation.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 283 company matches
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Cybersecurity skills testing platforms: dataset insights
September 1, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
283 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 1, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Cybersecurity skills testing platforms by metro
Questions about this company list
What does Exact match mean for cybersecurity skills testing platforms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many cybersecurity skills testing platforms did RevenueBase find based in the United Kingdom?
The saved snapshot records 283 matching company records, 14,392 tracked contacts and 1,288 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 1, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Cybersecurity skills testing platforms by geography
- Cybersecurity skills testing platforms based in the United States
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- Cybersecurity skills testing platforms based in Australia
- Cybersecurity skills testing platforms based in Canada
- Cybersecurity skills testing platforms based in Germany
- Cybersecurity skills testing platforms based in Brazil
- Cybersecurity skills testing platforms based in the Netherlands
- Cybersecurity skills testing platforms based in Spain
- Cybersecurity skills testing platforms based in Poland
- Cybersecurity skills testing platforms based in Italy
- Cybersecurity skills testing platforms based in Israel
- Cybersecurity skills testing platforms based in Switzerland
Cite this list
RevenueBase Data Team. Top 25 cybersecurity skills testing platforms based in the United Kingdom. Snapshot: September 1, 2026. https://revenuebase.ai/companies/cybersecurity-skills-testing-platforms/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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