Company lists · Data refreshed August 2026
Top 25 Cloud infrastructure security companies based in the United Kingdom
RevenueBase identified 226 company matches for cloud infrastructure security companies associated with the United Kingdom as of August 2026 and tracks 8,768 professional contacts across them, including 4,112 with verified work emails and 1,566 with mobile numbers. London is the largest hub.
This list covers company matches for cloud infrastructure security companies 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 August 31, 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 cloud infrastructure security companies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 4,963 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 · Aug 31, 2026 · View company records in RevenueBase | |||||
| 2 | 635 contacts → | ||||
Exact match “Everfox delivers trusted connectivity to protect the world's most critical environments, safeguarding the sensitive information behind decision advantage.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 3 | 422 contacts → | ||||
Exact match “Iomart combines cutting-edge cloud technology with deep industry expertise to help organisations transform with confidence.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 4 | 292 contacts → | ||||
Exact match “At Quorum Cyber, we're on a mission to help good people win.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 5 | 234 contacts → | ||||
Exact match “Protect your business-critical applications by mitigating threats and reducing risk with Obsidian, the first truly comprehensive security solution for SaaS.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 6 | 160 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 · Aug 31, 2026 · View company records in RevenueBase | |||||
| 7 | 118 contacts → | ||||
Exact match “Bulletproof is now part of WorkNest Secure.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 8 | 97 contacts → | ||||
Exact match “AppCheck is a Complete Enterprise Security Testing Solution that provides up to the minute vulnerability coverage for your entire estate.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 9 | 79 contacts → | ||||
Exact match “Virtual IT are a leading provider of cyber-secure cloud and managed IT services in the UK, entrusted by over 700 businesses and schools as their end-to-end technology partner.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 10 | 77 contacts → | ||||
Exact match “Brightsolid is expert in all things colocation, cloud and cyber security.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 11 | 75 contacts → | ||||
Exact match “Civo is the Sovereign Cloud and AI platform that frees you to build without limits.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 12 | 69 contacts → | ||||
Exact match “Cloudrise, an Exclusive Networks company, is your go-to team for world-class data, network, and cloud security services.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 13 | 68 contacts → | ||||
Exact match “The organisations that run our world face relentless complexity and evolving threats.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 14 | 61 contacts → | ||||
Exact match “Intruder was founded in 2015 to help solve the information overload crisis in vulnerability management.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 15 | 59 contacts → | ||||
Exact match “11:11 Systems is a managed infrastructure solutions provider that empowers customers to modernize, protect, and manage mission-critical applications and data, leveraging 11:11’s…” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 16 | 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 · Aug 31, 2026 · View company records in RevenueBase | |||||
| 17 | 34 contacts → | ||||
Exact match “Secarma exists to keep the world safe.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 18 | 33 contacts → | ||||
Exact match “Our expert team provide secure datacentre, network and cloud native solutions as well as industry leading managed services.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 19 | 33 contacts → | ||||
Exact match “Secure IT by Design.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 20 | 32 contacts → | ||||
Exact match “Defense.com is transforming the way businesses manage cyber security by allowing them to easily identify, prioritise and remediate threats.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 21 | 31 contacts → | ||||
Exact match “SPECIALISTS IN IT SECURITY AND COMPLIANCE Our goal is to help customers define, develop and implement information security and compliance services, no matter what stage of the…” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 22 | 30 contacts → | ||||
Exact match “DNSSense, positioned under Noventiq during 2024–2025, completed a 100% local-ownership restructuring in 2025 and evolved into a Turkey-based, R&D-driven DNS security company.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 23 | 23 contacts → | ||||
Exact match “AMR CyberSecurity delivers next generation cyber security services to assist organisations across a wide variety of sectors in understanding potential threats and effectively…” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 24 | 23 contacts → | ||||
Exact match “Whatever you supply, design, build, manufacture, or grow, its excelling at it that has got your business to where it is today.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 25 | 22 contacts → | ||||
Exact match “Secure.” Recorded in the RevenueBase company graph · Aug 31, 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 “cloud infrastructure security companies”. 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 226 cloud infrastructure security companies based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 4,112 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Cloud infrastructure security companies based in the United Kingdom at a glance
As of Aug 31, 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 “cloud infrastructure security companies” 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 4,112 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 August 31, 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.
Cloud infrastructure security companies 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 “cloud infrastructure security companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many cloud infrastructure security companies are there based in the United Kingdom?
RevenueBase identified 226 company matches for cloud infrastructure security companies associated with the United Kingdom as of August 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 cloud infrastructure security companies?
London leads with 103 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 4,112 professional contacts with verified work emails tracked across these 226 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 August 31, 2026.
Ready to reach these companies? Verified emails and direct dials for all 226 cloud infrastructure security companies based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Cloud infrastructure security companies by geography
- Cloud infrastructure security companies based in the United States
- Cloud infrastructure security companies based in Brazil
- Cloud infrastructure security companies based in Canada
- Cloud infrastructure security companies based in Australia
- Cloud infrastructure security companies based in France
- Cloud infrastructure security companies based in Germany
- Cloud infrastructure security companies based in Israel
- Cloud infrastructure security companies based in the Netherlands
- Cloud infrastructure security companies based in Spain
- Cloud infrastructure security companies based in Italy
- Cloud infrastructure security companies based in Belgium
- Cloud infrastructure security companies based in Mexico
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
- Cloud infrastructure security companies based in the United States
- Cloud infrastructure security companies based in Brazil
- Cloud infrastructure security companies based in Canada
- Cloud infrastructure security companies based in Australia
- Cloud infrastructure security companies based in France
- Cloud infrastructure security companies based in Germany
Company intelligence · public preview
Top 25 cloud infrastructure security companies 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 226 matching company records for cloud infrastructure security companies based in the United Kingdom, with 8,768 tracked contacts and 4,112 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: August 31, 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 cloud infrastructure security companies 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 |  Sophossophos.comHQ: HQ not recorded; location: Abingdon, United KingdomReported employees: 5,001-10,000 | HQ not recorded; location: Abingdon, United Kingdom | 5,001-10,000 | Exact match | 4,963 contacts → |
“Sophos is a cybersecurity leader defending organizations globally with an AI-driven platform and expert-led services.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Everfoxeverfox.comHQ: 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 | 635 contacts → |
“Everfox delivers trusted connectivity to protect the world's most critical environments, safeguarding the sensitive information behind decision advantage.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Iomartiomart.comHQ: HQ not recorded; location: Glasgow, United KingdomReported employees: 201-500 | HQ not recorded; location: Glasgow, United Kingdom | 201-500 | Exact match | 422 contacts → |
“Iomart combines cutting-edge cloud technology with deep industry expertise to help organisations transform with confidence.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Quorum Cyberquorumcyber.comHQ: HQ not recorded; location: Edinburgh, United KingdomReported employees: 201-500 | HQ not recorded; location: Edinburgh, United Kingdom | 201-500 | Exact match | 292 contacts → |
“At Quorum Cyber, we're on a mission to help good people win.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Obsidian Securityobsidiansecurity.comHQ: HQ not recorded; location: Cheltenham, United KingdomReported employees: 51-200 | HQ not recorded; location: Cheltenham, United Kingdom | 51-200 | Exact match | 234 contacts → |
“Protect your business-critical applications by mitigating threats and reducing risk with Obsidian, the first truly comprehensive security solution for SaaS.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Cyberfortcyberfortgroup.comHQ: HQ not recorded; location: Thatcham, United KingdomReported employees: 51-200 | HQ not recorded; location: Thatcham, United Kingdom | 51-200 | Exact match | 160 contacts → |
“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 description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Bulletproof Cyber Securityworknest.comHQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 118 contacts → |
“Bulletproof is now part of WorkNest Secure.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Appcheck LTDappcheck-ng.comHQ: HQ not recorded; location: Leeds, United KingdomReported employees: 51-200 | HQ not recorded; location: Leeds, United Kingdom | 51-200 | Exact match | 97 contacts → |
“AppCheck is a Complete Enterprise Security Testing Solution that provides up to the minute vulnerability coverage for your entire estate.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Virtual IT LTDvirtualit.cloudHQ: HQ not recorded; location: Laindon, United KingdomReported employees: 51-200 | HQ not recorded; location: Laindon, United Kingdom | 51-200 | Exact match | 79 contacts → |
“Virtual IT are a leading provider of cyber-secure cloud and managed IT services in the UK, entrusted by over 700 businesses and schools as their end-to-end technology partner.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Brightsolidbrightsolid.comHQ: HQ not recorded; location: Dundee, United KingdomReported employees: 51-200 | HQ not recorded; location: Dundee, United Kingdom | 51-200 | Exact match | 77 contacts → |
“Brightsolid is expert in all things colocation, cloud and cyber security.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  CIVOcivo.comHQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 75 contacts → |
“Civo is the Sovereign Cloud and AI platform that frees you to build without limits.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Cloudrisecloudrise.comHQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 69 contacts → |
“Cloudrise, an Exclusive Networks company, is your go-to team for world-class data, network, and cloud security services.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Telesofttelesoft-technologies.comHQ: HQ not recorded; location: Blandford, United KingdomReported employees: 51-200 | HQ not recorded; location: Blandford, United Kingdom | 51-200 | Exact match | 68 contacts → |
“The organisations that run our world face relentless complexity and evolving threats.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Intruderintruder.ioHQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 61 contacts → |
“Intruder was founded in 2015 to help solve the information overload crisis in vulnerability management.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Iland 11 11 Systems1111systems.comHQ: HQ not recorded; location: Ascot, United KingdomReported employees: 1,001-5,000 | HQ not recorded; location: Ascot, United Kingdom | 1,001-5,000 | Exact match | 59 contacts → |
“11:11 Systems is a managed infrastructure solutions provider that empowers customers to modernize, protect, and manage mission-critical applications and data, leveraging 11:11’s…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  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 · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  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 · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  FLOWflowtransform.comHQ: HQ not recorded; location: Hemel Hempstead, United KingdomReported employees: 11-50 | HQ not recorded; location: Hemel Hempstead, United Kingdom | 11-50 | Exact match | 33 contacts → |
“Our expert team provide secure datacentre, network and cloud native solutions as well as industry leading managed services.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Cased Dimensionscaseddimensions.comHQ: HQ not recorded; location: Belfast, United KingdomReported employees: 11-50 | HQ not recorded; location: Belfast, United Kingdom | 11-50 | Exact match | 33 contacts → |
“Secure IT by Design.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  defense.comdefense.comHQ: HQ not recorded; location: Stevenage, United KingdomReported employees: 51-200 | HQ not recorded; location: Stevenage, United Kingdom | 51-200 | Exact match | 32 contacts → |
“Defense.com is transforming the way businesses manage cyber security by allowing them to easily identify, prioritise and remediate threats.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Omnicyber Securityomnicybersecurity.comHQ: HQ not recorded; location: Solihull, United KingdomReported employees: 11-50 | HQ not recorded; location: Solihull, United Kingdom | 11-50 | Exact match | 31 contacts → |
“SPECIALISTS IN IT SECURITY AND COMPLIANCE Our goal is to help customers define, develop and implement information security and compliance services, no matter what stage of the…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Dnssensednssense.comHQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 30 contacts → |
“DNSSense, positioned under Noventiq during 2024–2025, completed a 100% local-ownership restructuring in 2025 and evolved into a Turkey-based, R&D-driven DNS security company.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  AMR Cybersecurityamrcybersecurity.comHQ: HQ not recorded; location: Cheltenham, United KingdomReported employees: 11-50 | HQ not recorded; location: Cheltenham, United Kingdom | 11-50 | Exact match | 23 contacts → |
“AMR CyberSecurity delivers next generation cyber security services to assist organisations across a wide variety of sectors in understanding potential threats and effectively…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Vambrace Cybersecurityvambrace.co.ukHQ: HQ not recorded; location: Leeds, United KingdomReported employees: 11-50 | HQ not recorded; location: Leeds, United Kingdom | 11-50 | Exact match | 23 contacts → |
“Whatever you supply, design, build, manufacture, or grow, its excelling at it that has got your business to where it is today.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  CYPROcypro.co.ukHQ: HQ not recorded; location: London, United KingdomReported employees: 11-50 | HQ not recorded; location: London, United Kingdom | 11-50 | Exact match | 22 contacts → |
“Secure.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 226 company matches
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Cloud infrastructure security companies: dataset insights
August 31, 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
223 records in the displayed employee bands.
3 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: August 31, 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 ↗
Cloud infrastructure security companies by metro
Questions about this company list
What does Exact match mean for cloud infrastructure security companies?
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 cloud infrastructure security companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 226 matching company records, 8,768 tracked contacts and 4,112 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: August 31, 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
Cloud infrastructure security companies by geography
- Cloud infrastructure security companies based in the United States
- Cloud infrastructure security companies based in Brazil
- Cloud infrastructure security companies based in Canada
- Cloud infrastructure security companies based in Australia
- Cloud infrastructure security companies based in France
- Cloud infrastructure security companies based in Germany
- Cloud infrastructure security companies based in Israel
- Cloud infrastructure security companies based in the Netherlands
- Cloud infrastructure security companies based in Spain
- Cloud infrastructure security companies based in Italy
- Cloud infrastructure security companies based in Belgium
- Cloud infrastructure security companies based in Mexico
Cite this list
RevenueBase Data Team. Top 25 cloud infrastructure security companies based in the United Kingdom. Snapshot: August 31, 2026. https://revenuebase.ai/companies/cloud-infrastructure-security-companies/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
- Cloud infrastructure security companies based in the United States
- Cloud infrastructure security companies based in Brazil
- Cloud infrastructure security companies based in Canada
- Cloud infrastructure security companies based in Australia
- Cloud infrastructure security companies based in France
- Cloud infrastructure security companies based in Germany
Company intelligence · public preview
Top 25 cloud infrastructure security companies based in the United Kingdom
RevenueBase records 226 matching company records for cloud infrastructure security companies based in the United Kingdom, with 8,768 tracked contacts and 4,112 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: August 31, 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 cloud infrastructure security companies 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 | Sophossophos.com HQ: HQ not recorded; location: Abingdon, United KingdomReported employees: 5,001-10,000 | HQ not recorded; location: Abingdon, United Kingdom | 5,001-10,000 | Exact match | 4,963 contacts → |
“Sophos is a cybersecurity leader defending organizations globally with an AI-driven platform and expert-led services.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Everfoxeverfox.com 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 | 635 contacts → |
“Everfox delivers trusted connectivity to protect the world's most critical environments, safeguarding the sensitive information behind decision advantage.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Iomartiomart.com HQ: HQ not recorded; location: Glasgow, United KingdomReported employees: 201-500 | HQ not recorded; location: Glasgow, United Kingdom | 201-500 | Exact match | 422 contacts → |
“Iomart combines cutting-edge cloud technology with deep industry expertise to help organisations transform with confidence.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Quorum Cyberquorumcyber.com HQ: HQ not recorded; location: Edinburgh, United KingdomReported employees: 201-500 | HQ not recorded; location: Edinburgh, United Kingdom | 201-500 | Exact match | 292 contacts → |
“At Quorum Cyber, we're on a mission to help good people win.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Obsidian Securityobsidiansecurity.com HQ: HQ not recorded; location: Cheltenham, United KingdomReported employees: 51-200 | HQ not recorded; location: Cheltenham, United Kingdom | 51-200 | Exact match | 234 contacts → |
“Protect your business-critical applications by mitigating threats and reducing risk with Obsidian, the first truly comprehensive security solution for SaaS.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Cyberfortcyberfortgroup.com HQ: HQ not recorded; location: Thatcham, United KingdomReported employees: 51-200 | HQ not recorded; location: Thatcham, United Kingdom | 51-200 | Exact match | 160 contacts → |
“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 description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Bulletproof Cyber Securityworknest.com HQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 118 contacts → |
“Bulletproof is now part of WorkNest Secure.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Appcheck LTDappcheck-ng.com HQ: HQ not recorded; location: Leeds, United KingdomReported employees: 51-200 | HQ not recorded; location: Leeds, United Kingdom | 51-200 | Exact match | 97 contacts → |
“AppCheck is a Complete Enterprise Security Testing Solution that provides up to the minute vulnerability coverage for your entire estate.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Virtual IT LTDvirtualit.cloud HQ: HQ not recorded; location: Laindon, United KingdomReported employees: 51-200 | HQ not recorded; location: Laindon, United Kingdom | 51-200 | Exact match | 79 contacts → |
“Virtual IT are a leading provider of cyber-secure cloud and managed IT services in the UK, entrusted by over 700 businesses and schools as their end-to-end technology partner.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Brightsolidbrightsolid.com HQ: HQ not recorded; location: Dundee, United KingdomReported employees: 51-200 | HQ not recorded; location: Dundee, United Kingdom | 51-200 | Exact match | 77 contacts → |
“Brightsolid is expert in all things colocation, cloud and cyber security.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | CIVOcivo.com HQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 75 contacts → |
“Civo is the Sovereign Cloud and AI platform that frees you to build without limits.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Cloudrisecloudrise.com HQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 69 contacts → |
“Cloudrise, an Exclusive Networks company, is your go-to team for world-class data, network, and cloud security services.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Telesofttelesoft-technologies.com HQ: HQ not recorded; location: Blandford, United KingdomReported employees: 51-200 | HQ not recorded; location: Blandford, United Kingdom | 51-200 | Exact match | 68 contacts → |
“The organisations that run our world face relentless complexity and evolving threats.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Intruderintruder.io HQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 61 contacts → |
“Intruder was founded in 2015 to help solve the information overload crisis in vulnerability management.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Iland 11 11 Systems1111systems.com HQ: HQ not recorded; location: Ascot, United KingdomReported employees: 1,001-5,000 | HQ not recorded; location: Ascot, United Kingdom | 1,001-5,000 | Exact match | 59 contacts → |
“11:11 Systems is a managed infrastructure solutions provider that empowers customers to modernize, protect, and manage mission-critical applications and data, leveraging 11:11’s…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | 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 · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | 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 · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | FLOWflowtransform.com HQ: HQ not recorded; location: Hemel Hempstead, United KingdomReported employees: 11-50 | HQ not recorded; location: Hemel Hempstead, United Kingdom | 11-50 | Exact match | 33 contacts → |
“Our expert team provide secure datacentre, network and cloud native solutions as well as industry leading managed services.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Cased Dimensionscaseddimensions.com HQ: HQ not recorded; location: Belfast, United KingdomReported employees: 11-50 | HQ not recorded; location: Belfast, United Kingdom | 11-50 | Exact match | 33 contacts → |
“Secure IT by Design.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | defense.comdefense.com HQ: HQ not recorded; location: Stevenage, United KingdomReported employees: 51-200 | HQ not recorded; location: Stevenage, United Kingdom | 51-200 | Exact match | 32 contacts → |
“Defense.com is transforming the way businesses manage cyber security by allowing them to easily identify, prioritise and remediate threats.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Omnicyber Securityomnicybersecurity.com HQ: HQ not recorded; location: Solihull, United KingdomReported employees: 11-50 | HQ not recorded; location: Solihull, United Kingdom | 11-50 | Exact match | 31 contacts → |
“SPECIALISTS IN IT SECURITY AND COMPLIANCE Our goal is to help customers define, develop and implement information security and compliance services, no matter what stage of the…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Dnssensednssense.com HQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 30 contacts → |
“DNSSense, positioned under Noventiq during 2024–2025, completed a 100% local-ownership restructuring in 2025 and evolved into a Turkey-based, R&D-driven DNS security company.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | AMR Cybersecurityamrcybersecurity.com HQ: HQ not recorded; location: Cheltenham, United KingdomReported employees: 11-50 | HQ not recorded; location: Cheltenham, United Kingdom | 11-50 | Exact match | 23 contacts → |
“AMR CyberSecurity delivers next generation cyber security services to assist organisations across a wide variety of sectors in understanding potential threats and effectively…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Vambrace Cybersecurityvambrace.co.uk HQ: HQ not recorded; location: Leeds, United KingdomReported employees: 11-50 | HQ not recorded; location: Leeds, United Kingdom | 11-50 | Exact match | 23 contacts → |
“Whatever you supply, design, build, manufacture, or grow, its excelling at it that has got your business to where it is today.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | CYPROcypro.co.uk HQ: HQ not recorded; location: London, United KingdomReported employees: 11-50 | HQ not recorded; location: London, United Kingdom | 11-50 | Exact match | 22 contacts → |
“Secure.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 226 company matches
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Cloud infrastructure security companies: dataset insights
August 31, 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
223 records in the displayed employee bands.
3 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: August 31, 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 ↗
Cloud infrastructure security companies by metro
Questions about this company list
What does Exact match mean for cloud infrastructure security companies?
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 cloud infrastructure security companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 226 matching company records, 8,768 tracked contacts and 4,112 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: August 31, 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
Cloud infrastructure security companies by geography
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- Cloud infrastructure security companies based in Australia
- Cloud infrastructure security companies based in France
- Cloud infrastructure security companies based in Germany
- Cloud infrastructure security companies based in Israel
- Cloud infrastructure security companies based in the Netherlands
- Cloud infrastructure security companies based in Spain
- Cloud infrastructure security companies based in Italy
- Cloud infrastructure security companies based in Belgium
- Cloud infrastructure security companies based in Mexico
Cite this list
RevenueBase Data Team. Top 25 cloud infrastructure security companies based in the United Kingdom. Snapshot: August 31, 2026. https://revenuebase.ai/companies/cloud-infrastructure-security-companies/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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- Cloud infrastructure security companies based in the United States
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- Cloud infrastructure security companies based in Canada
- Cloud infrastructure security companies based in Australia
- Cloud infrastructure security companies based in France
- Cloud infrastructure security companies based in Germany