Company lists · Data refreshed November 2026
Top 20 Infrastructure security engineers based in the United Kingdom
RevenueBase identified 69 company matches for infrastructure security engineers associated with the United Kingdom as of November 2026 and tracks 734 professional contacts across them, including 386 with verified work emails. London is the largest hub.
This list covers company matches for infrastructure security engineers 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 November 5, 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 20 largest infrastructure security engineers based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 327 contacts → | ||||
Exact match “Bridewell is the trusted cyber security partner for organisations operating within Critical National Infrastructure (CNI), as well as companies who want the highest standard of…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 2 | 161 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 · Nov 5, 2026 · View company records in RevenueBase | |||||
| 3 | 21 contacts → | ||||
Exact match “Formed in 2018, NGS (UK) Ltd are independent, Next Generation Security trusted advisors, providing all-encompassing solutions from the perimeter to the endpoint.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 4 | 14 contacts → | ||||
Exact match “Plus 15 Limited delivers the secure infrastructure, managed IT services, and cyber security solutions that businesses rely on.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 5 | 7 contacts → | ||||
Exact match “Cyber security is a subcategory of information security – specifically focusing on protecting computer systems and their components.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 6 | 6 contacts → | ||||
Exact match “Criticalis are network security specialists providing expertise through professional services and robust innovative managed services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 7 | 6 contacts → | ||||
Exact match “We design secure solutions that help to protect your business.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 8 | 5 contacts → | ||||
Exact match “Specialising in Technical Security in both on-premise infrastructure and the cloud, Planned Link's consultancy team has broad experience spanning Defence, Manufacturing…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 9 | 4 contacts → | ||||
Exact match “Chubb Systems is one of the leading designers and integrators of security systems identifying and solving complex requirements to critical national infrastructure and large scale…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 10 | 4 contacts → | ||||
Exact match “Assured Network Services is a highly focused IT services and solution provider with the skills to plan, design, build and maintain your IT infrastructure.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 11 | 2 contacts → | ||||
Exact match “Good security consultants are difficult to find, expensive to employ and hard to keep, but we believe that your business doesn’t have to incur a high cost of delivery in order to…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 12 | 2 contacts → | ||||
Exact match “Centilon Limited provides leading edge security solutions, consultancy and bespoke training to organisations that have a requirement to secure & manage their network…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 13 | 2 contacts → | ||||
Exact match “Who we are.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 14 | 2 contacts → | ||||
Exact match “Danielyan Consulting is a specialist provider of cyber security assurance services including penetration testing, security engineering and incident response since 2013.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 15 | 1 contacts → | ||||
Exact match “Founded in London in 2019, Pyramid Ledger is a leading cybersecurity firm dedicated to enhancing digital security with comprehensive and bespoke solutions.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 16 | 1 contacts → | ||||
Exact match “Having the right security systems and controls is no longer just important, it is business-critical.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 17 | 1 contacts → | ||||
Exact match “In today's tech-driven world, where computers, smartphones, the internet, and social media are integral to our daily lives and business operations, securing these digital…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 18 | 1 contacts → | ||||
Exact match “Security Engineers and Engineering labour.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 19 | 1 contacts → | ||||
Exact match “Ebruu Tech is a provider of professional network and infrastructure security services located in London,United Kingdom.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 20 | 1 contacts → | ||||
Exact match “Selected Cyber helps organisations protect their people, data, premises and infrastructure through one joined-up approach.” Recorded in the RevenueBase company graph · Nov 5, 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 “infrastructure security engineers”. 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 20 of 69 infrastructure security engineers based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 386 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Infrastructure security engineers based in the United Kingdom at a glance
As of Nov 5, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 69 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United Kingdom whose business descriptions match “infrastructure security engineers” 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 386 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 November 5, 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.
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 “infrastructure security engineers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many infrastructure security engineers are there based in the United Kingdom?
RevenueBase identified 69 company matches for infrastructure security engineers associated with the United Kingdom as of November 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?
Bridewell tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most infrastructure security engineers?
London leads with 16 company records, followed by Bristol (4) and Cambridge (2).
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 386 professional contacts with verified work emails tracked across these 69 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 November 5, 2026.
Ready to reach these companies? Verified emails and direct dials for all 69 infrastructure security engineers based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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Company intelligence · public preview
Top 20 infrastructure security engineers 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 69 matching company records for infrastructure security engineers based in the United Kingdom, with 734 tracked contacts and 386 verified work emails.
This public preview shows 20 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 5, 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 20 infrastructure security engineers 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 |  Bridewellbridewell.comHQ: Reading, United KingdomReported employees: 201-500 | Reading, United Kingdom | 201-500 | Exact match | 327 contacts → |
“Bridewell is the trusted cyber security partner for organisations operating within Critical National Infrastructure (CNI), as well as companies who want the highest standard of…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Cyberfortcyberfortgroup.comHQ: Thatcham, United KingdomReported employees: 51-200 | Thatcham, United Kingdom | 51-200 | Exact match | 161 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  NGS Next Generation Securityngsuk.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 21 contacts → |
“Formed in 2018, NGS (UK) Ltd are independent, Next Generation Security trusted advisors, providing all-encompassing solutions from the perimeter to the endpoint.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Plus 15 Limitedplus15.co.ukHQ: East Bridgford, United KingdomReported employees: 11-50 | East Bridgford, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Plus 15 Limited delivers the secure infrastructure, managed IT services, and cyber security solutions that businesses rely on.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  JC Cyber Security Servicesjc-cybersecurity.co.ukHQ: Birmingham, United KingdomReported employees: 1-10 | Birmingham, United Kingdom | 1-10 | Exact match | 7 contacts → |
“Cyber security is a subcategory of information security – specifically focusing on protecting computer systems and their components.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Criticaliscriticalis.netHQ: Milton Keynes, United KingdomReported employees: 1-10 | Milton Keynes, United Kingdom | 1-10 | Exact match | 6 contacts → |
“Criticalis are network security specialists providing expertise through professional services and robust innovative managed services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Securenet Communication Solutionssecurenetcoms.co.ukHQ: Royston, United KingdomReported employees: 1-10 | Royston, United Kingdom | 1-10 | Exact match | 6 contacts → |
“We design secure solutions that help to protect your business.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Planned Linkplannedlink.ioHQ: Swindon, United KingdomReported employees: 1-10 | Swindon, United Kingdom | 1-10 | Exact match | 5 contacts → |
“Specialising in Technical Security in both on-premise infrastructure and the cloud, Planned Link's consultancy team has broad experience spanning Defence, Manufacturing…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Chubb Systems Limitedchubbfs.comHQ: Blackburn, United KingdomReported employees: 501-1,000 | Blackburn, United Kingdom | 501-1,000 | Exact match | 4 contacts → |
“Chubb Systems is one of the leading designers and integrators of security systems identifying and solving complex requirements to critical national infrastructure and large scale…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Assured Network Servicesassured-networks.co.ukHQ: Thurleigh, United KingdomReported employees: 11-50 | Thurleigh, United Kingdom | 11-50 | Exact match | 4 contacts → |
“Assured Network Services is a highly focused IT services and solution provider with the skills to plan, design, build and maintain your IT infrastructure.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Sesseto Limitedsesseto.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 2 contacts → |
“Good security consultants are difficult to find, expensive to employ and hard to keep, but we believe that your business doesn’t have to incur a high cost of delivery in order to…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Centilon LTDcentilon.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 2 contacts → |
“Centilon Limited provides leading edge security solutions, consultancy and bespoke training to organisations that have a requirement to secure & manage their network…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Northwest Cybersecuritynorthwestcybersecurity.co.ukHQ: Londonderry, United KingdomReported employees: 1-10 | Londonderry, United Kingdom | 1-10 | Exact match | 2 contacts → |
“Who we are.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Danielyan Consulting LTDdanielyan.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 2 contacts → |
“Danielyan Consulting is a specialist provider of cyber security assurance services including penetration testing, security engineering and incident response since 2013.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Pyramid Ledgerpyramidledger.comHQ: Milton Keynes, United KingdomReported employees: 11-50 | Milton Keynes, United Kingdom | 11-50 | Exact match | 1 contacts → |
“Founded in London in 2019, Pyramid Ledger is a leading cybersecurity firm dedicated to enhancing digital security with comprehensive and bespoke solutions.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  RED Security Systemsredsecuritysystems.co.ukHQ: Bournemouth, United KingdomReported employees: 1-10 | Bournemouth, United Kingdom | 1-10 | Exact match | 1 contacts → |
“Having the right security systems and controls is no longer just important, it is business-critical.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Conssecconssec.comHQ: Oxford, United KingdomReported employees: 1-10 | Oxford, United Kingdom | 1-10 | Exact match | 1 contacts → |
“In today's tech-driven world, where computers, smartphones, the internet, and social media are integral to our daily lives and business operations, securing these digital…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Ws3 Security Systems LTDws3security.co.ukHQ: Walsall, United KingdomReported employees: 1-10 | Walsall, United Kingdom | 1-10 | Exact match | 1 contacts → |
“Security Engineers and Engineering labour.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  EBRUUebruu.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 1 contacts → |
“Ebruu Tech is a provider of professional network and infrastructure security services located in London,United Kingdom.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Selected Cyberselectedcyber.co.ukHQ: Nelson, United KingdomReported employees: 1-10 | Nelson, United Kingdom | 1-10 | Exact match | 1 contacts → |
“Selected Cyber helps organisations protect their people, data, premises and infrastructure through one joined-up approach.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 20 of 69 company matches
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Infrastructure security engineers: dataset insights
November 5, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
67 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 69 companies.
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.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
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: November 5, 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 ↗
Questions about this company list
What does Exact match mean for infrastructure security engineers?
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 infrastructure security engineers did RevenueBase find based in the United Kingdom?
The saved snapshot records 69 matching company records, 734 tracked contacts and 386 verified emails. The public preview displays 20 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: November 5, 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
Infrastructure security engineers by geography
- Infrastructure security engineers based in Australia
- Infrastructure security engineers based in Brazil
- Infrastructure security engineers based in Canada
- Infrastructure security engineers based in France
- Infrastructure security engineers based in Germany
- Infrastructure security engineers based in India
- Infrastructure security engineers based in Italy
- Infrastructure security engineers based in Mexico
- Infrastructure security engineers based in the Netherlands
- Infrastructure security engineers based in Poland
- Infrastructure security engineers based in Spain
- Infrastructure security engineers based in the United Arab Emirates
Cite this list
RevenueBase Data Team. Top 20 infrastructure security engineers based in the United Kingdom. Snapshot: November 5, 2026. https://revenuebase.ai/companies/infrastructure-security-engineers/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
- Infrastructure security engineers based in Australia
- Infrastructure security engineers based in Brazil
- Infrastructure security engineers based in Canada
- Infrastructure security engineers based in France
- Infrastructure security engineers based in Germany
- Infrastructure security engineers based in India
Company intelligence · public preview
Top 20 infrastructure security engineers based in the United Kingdom
RevenueBase records 69 matching company records for infrastructure security engineers based in the United Kingdom, with 734 tracked contacts and 386 verified work emails.
This public preview shows 20 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 5, 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 20 infrastructure security engineers 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 | Bridewellbridewell.com HQ: Reading, United KingdomReported employees: 201-500 | Reading, United Kingdom | 201-500 | Exact match | 327 contacts → |
“Bridewell is the trusted cyber security partner for organisations operating within Critical National Infrastructure (CNI), as well as companies who want the highest standard of…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Cyberfortcyberfortgroup.com HQ: Thatcham, United KingdomReported employees: 51-200 | Thatcham, United Kingdom | 51-200 | Exact match | 161 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 · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | NGS Next Generation Securityngsuk.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 21 contacts → |
“Formed in 2018, NGS (UK) Ltd are independent, Next Generation Security trusted advisors, providing all-encompassing solutions from the perimeter to the endpoint.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Plus 15 Limitedplus15.co.uk HQ: East Bridgford, United KingdomReported employees: 11-50 | East Bridgford, United Kingdom | 11-50 | Exact match | 14 contacts → |
“Plus 15 Limited delivers the secure infrastructure, managed IT services, and cyber security solutions that businesses rely on.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | JC Cyber Security Servicesjc-cybersecurity.co.uk HQ: Birmingham, United KingdomReported employees: 1-10 | Birmingham, United Kingdom | 1-10 | Exact match | 7 contacts → |
“Cyber security is a subcategory of information security – specifically focusing on protecting computer systems and their components.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Criticaliscriticalis.net HQ: Milton Keynes, United KingdomReported employees: 1-10 | Milton Keynes, United Kingdom | 1-10 | Exact match | 6 contacts → |
“Criticalis are network security specialists providing expertise through professional services and robust innovative managed services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Securenet Communication Solutionssecurenetcoms.co.uk HQ: Royston, United KingdomReported employees: 1-10 | Royston, United Kingdom | 1-10 | Exact match | 6 contacts → |
“We design secure solutions that help to protect your business.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Planned Linkplannedlink.io HQ: Swindon, United KingdomReported employees: 1-10 | Swindon, United Kingdom | 1-10 | Exact match | 5 contacts → |
“Specialising in Technical Security in both on-premise infrastructure and the cloud, Planned Link's consultancy team has broad experience spanning Defence, Manufacturing…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Chubb Systems Limitedchubbfs.com HQ: Blackburn, United KingdomReported employees: 501-1,000 | Blackburn, United Kingdom | 501-1,000 | Exact match | 4 contacts → |
“Chubb Systems is one of the leading designers and integrators of security systems identifying and solving complex requirements to critical national infrastructure and large scale…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Assured Network Servicesassured-networks.co.uk HQ: Thurleigh, United KingdomReported employees: 11-50 | Thurleigh, United Kingdom | 11-50 | Exact match | 4 contacts → |
“Assured Network Services is a highly focused IT services and solution provider with the skills to plan, design, build and maintain your IT infrastructure.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Sesseto Limitedsesseto.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 2 contacts → |
“Good security consultants are difficult to find, expensive to employ and hard to keep, but we believe that your business doesn’t have to incur a high cost of delivery in order to…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Centilon LTDcentilon.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 2 contacts → |
“Centilon Limited provides leading edge security solutions, consultancy and bespoke training to organisations that have a requirement to secure & manage their network…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Northwest Cybersecuritynorthwestcybersecurity.co.uk HQ: Londonderry, United KingdomReported employees: 1-10 | Londonderry, United Kingdom | 1-10 | Exact match | 2 contacts → |
“Who we are.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Danielyan Consulting LTDdanielyan.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 2 contacts → |
“Danielyan Consulting is a specialist provider of cyber security assurance services including penetration testing, security engineering and incident response since 2013.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Pyramid Ledgerpyramidledger.com HQ: Milton Keynes, United KingdomReported employees: 11-50 | Milton Keynes, United Kingdom | 11-50 | Exact match | 1 contacts → |
“Founded in London in 2019, Pyramid Ledger is a leading cybersecurity firm dedicated to enhancing digital security with comprehensive and bespoke solutions.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | RED Security Systemsredsecuritysystems.co.uk HQ: Bournemouth, United KingdomReported employees: 1-10 | Bournemouth, United Kingdom | 1-10 | Exact match | 1 contacts → |
“Having the right security systems and controls is no longer just important, it is business-critical.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Conssecconssec.com HQ: Oxford, United KingdomReported employees: 1-10 | Oxford, United Kingdom | 1-10 | Exact match | 1 contacts → |
“In today's tech-driven world, where computers, smartphones, the internet, and social media are integral to our daily lives and business operations, securing these digital…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Ws3 Security Systems LTDws3security.co.uk HQ: Walsall, United KingdomReported employees: 1-10 | Walsall, United Kingdom | 1-10 | Exact match | 1 contacts → |
“Security Engineers and Engineering labour.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | EBRUUebruu.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 1 contacts → |
“Ebruu Tech is a provider of professional network and infrastructure security services located in London,United Kingdom.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Selected Cyberselectedcyber.co.uk HQ: Nelson, United KingdomReported employees: 1-10 | Nelson, United Kingdom | 1-10 | Exact match | 1 contacts → |
“Selected Cyber helps organisations protect their people, data, premises and infrastructure through one joined-up approach.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 20 of 69 company matches
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Infrastructure security engineers: dataset insights
November 5, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
67 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 69 companies.
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.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
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: November 5, 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 ↗
Questions about this company list
What does Exact match mean for infrastructure security engineers?
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 infrastructure security engineers did RevenueBase find based in the United Kingdom?
The saved snapshot records 69 matching company records, 734 tracked contacts and 386 verified emails. The public preview displays 20 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: November 5, 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.
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Cite this list
RevenueBase Data Team. Top 20 infrastructure security engineers based in the United Kingdom. Snapshot: November 5, 2026. https://revenuebase.ai/companies/infrastructure-security-engineers/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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