Company lists · Data refreshed September 2026
Top 21 Railway cybersecurity firms based in the United Kingdom
RevenueBase identified 46 company matches for railway cybersecurity firms associated with the United Kingdom as of September 2026 and tracks 1,062 professional contacts across them, including 522 with verified work emails. London is the largest hub.
This list covers company matches for railway cybersecurity firms associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 29, 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 21 largest railway cybersecurity firms based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 303 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 2 | 159 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 3 | 155 contacts → | ||||
Exact match “ADComms is a leading provider of intelligent telecoms infrastructure and On-Train solutions for the UK rail industry.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 45 contacts → | ||||
Exact match “Hello!” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 45 contacts → | ||||
Exact match “Established in 2004 (acquired by Gamma in 2023), Satisnet, a Gamma company is a pedigree-proven cyber security services and solutions specialist with a fully UK-based 24x7x365 SOC.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 34 contacts → | ||||
Exact match “We are your strategic cybersecurity partner – going beyond traditional models to deliver agile, expert-led protection tailored to the needs of regulated industries and critical…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 32 contacts → | ||||
Exact match “RazorSecure offers products and services to enhance railway cyber security by protecting networks and monitoring key systems.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 26 contacts → | ||||
Exact match “Tekgem bridges the gap between Information Technology (IT) and Operational Technology (OT).” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 17 contacts → | ||||
Exact match “We are a leading cybersecurity services organization with more than a decade of proven expertise in consulting, solution implementation and managed services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 17 contacts → | ||||
Exact match “We are a London based specialist supplier of cyber defence solution and information security services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 12 contacts → | ||||
Exact match “We are innovators.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 9 contacts → | ||||
Exact match “Powering Tomorrow's Journey The rail industry faces growing pressures; from ageing infrastructure and net-zero targets to increasing performance demands.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 8 contacts → | ||||
Exact match “iCyberDefence is a boutique cybersecurity services firm that offers a wide range of security consulting and security engineering services with the necessary products and tools.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 8 contacts → | ||||
Exact match “With over 40 years of information security experience, Hytec, a Civica company, is a trusted partner for organisations looking for expert, specialised cyber security protection.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 4 contacts → | ||||
Exact match “Met SYSTEMS have a comprehensive knowledge base of all Communication and Control & Information Systems used on railways and have played a pivotal role in the management and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 3 contacts → | ||||
Exact match “Trinity OT Security specialises in cybersecurity solutions, system integration and professional services for Operational Technology (OT) environments.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 3 contacts → | ||||
Exact match “Rail technology company with extensive experience of rapid development and deployment of safety and monitoring equipment and services, including: Red Light Safety Cameras Level…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 3 contacts → | ||||
Exact match “Arentis is a specialist UK rail technology company, trusted to supply Network Rail approved CCTV, safety, and monitoring systems across the national rail network.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 1 contacts → | ||||
Exact match “Aegis Cyber is a London-based cyber security consultancy comprising of some of the best talent globally.” Recorded in the RevenueBase company graph · Sep 29, 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 “railway cybersecurity firms”. 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 21 of 46 railway cybersecurity firms based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 522 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Railway cybersecurity firms based in the United Kingdom at a glance
As of Sep 29, 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 46 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 “railway cybersecurity firms” 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 522 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 29, 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 “railway cybersecurity firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many railway cybersecurity firms are there based in the United Kingdom?
RevenueBase identified 46 company matches for railway cybersecurity firms associated with the United Kingdom as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Bridewell tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most railway cybersecurity firms?
London leads with 20 company records, followed by Oxford (2) and Basingstoke (1).
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 522 professional contacts with verified work emails tracked across these 46 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 46 railway cybersecurity firms based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Railway cybersecurity firms by geography
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
- Railway cybersecurity firms based in Canada
- Railway cybersecurity firms based in France
- Railway cybersecurity firms based in Germany
- Railway cybersecurity firms based in Spain
- Railway cybersecurity firms based in the United States
- AI companies based in the United Kingdom
Company intelligence · public preview
Top 21 railway cybersecurity firms 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 46 matching company records for railway cybersecurity firms based in the United Kingdom, with 1,062 tracked contacts and 522 verified work emails.
This public preview shows 21 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 29, 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 21 railway cybersecurity firms 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 | 303 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Cyberfortcyberfortgroup.comHQ: Thatcham, United KingdomReported employees: 51-200 | Thatcham, United Kingdom | 51-200 | Exact match | 159 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Adcommsadcomms.ltdHQ: Scunthorpe, United KingdomReported employees: 201-500 | Scunthorpe, United Kingdom | 201-500 | Exact match | 155 contacts → |
“ADComms is a leading provider of intelligent telecoms infrastructure and On-Train solutions for the UK rail industry.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Ketechketech.comHQ: Preston, United KingdomReported employees: 51-200 | Preston, United Kingdom | 51-200 | Exact match | 45 contacts → |
“Hello!” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Satisnet, A Gamma Companysatisnet.co.ukHQ: Luton, United KingdomReported employees: 51-200 | Luton, United Kingdom | 51-200 | Exact match | 45 contacts → |
“Established in 2004 (acquired by Gamma in 2023), Satisnet, a Gamma company is a pedigree-proven cyber security services and solutions specialist with a fully UK-based 24x7x365 SOC.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Barrier Networksbarriernetworks.comHQ: Glasgow, United KingdomReported employees: 11-50 | Glasgow, United Kingdom | 11-50 | Exact match | 34 contacts → |
“We are your strategic cybersecurity partner – going beyond traditional models to deliver agile, expert-led protection tailored to the needs of regulated industries and critical…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Razorsecurerazorsecure.comHQ: Basingstoke, United KingdomReported employees: 11-50 | Basingstoke, United Kingdom | 11-50 | Exact match | 32 contacts → |
“RazorSecure offers products and services to enhance railway cyber security by protecting networks and monitoring key systems.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Tekgemtekgem.coHQ: Sedgefield, United KingdomReported employees: 11-50 | Sedgefield, United Kingdom | 11-50 | Exact match | 26 contacts → |
“Tekgem bridges the gap between Information Technology (IT) and Operational Technology (OT).” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Sinevissinevis.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 17 contacts → |
“We are a leading cybersecurity services organization with more than a decade of proven expertise in consulting, solution implementation and managed services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 17 contacts → |
“We are a London based specialist supplier of cyber defence solution and information security services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Trust Hiretrusthire.co.uk HQ: St. Albans, United KingdomReported employees: 51-200 | St. Albans, United Kingdom | 51-200 | Exact match | 12 contacts → |
“We are innovators.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Camlin Railcamlinrail.comHQ: Lisburn, United KingdomReported employees: 501-1,000 | Lisburn, United Kingdom | 501-1,000 | Exact match | 9 contacts → |
“Powering Tomorrow's Journey The rail industry faces growing pressures; from ageing infrastructure and net-zero targets to increasing performance demands.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Icyberdefenceicyberdefence.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 8 contacts → |
“iCyberDefence is a boutique cybersecurity services firm that offers a wide range of security consulting and security engineering services with the necessary products and tools.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Teddington, United KingdomReported employees: 11-50 | Teddington, United Kingdom | 11-50 | Exact match | 8 contacts → |
“With over 40 years of information security experience, Hytec, a Civica company, is a trusted partner for organisations looking for expert, specialised cyber security protection.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | MET Systems LTDmetsystems.co.uk HQ: Rochford, United KingdomReported employees: 11-50 | Rochford, United Kingdom | 11-50 | Exact match | 4 contacts → |
“Met SYSTEMS have a comprehensive knowledge base of all Communication and Control & Information Systems used on railways and have played a pivotal role in the management and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Trinity OT Securitytrinity-ot.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Trinity OT Security specialises in cybersecurity solutions, system integration and professional services for Operational Technology (OT) environments.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Futronics Rail Limitedfutronics.netHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 3 contacts → |
“Rail technology company with extensive experience of rapid development and deployment of safety and monitoring equipment and services, including: Red Light Safety Cameras Level…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Arentis Limitedarentis.co.ukHQ: Sheffield, United KingdomReported employees: 1-10 | Sheffield, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Arentis is a specialist UK rail technology company, trusted to supply Network Rail approved CCTV, safety, and monitoring systems across the national rail network.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Aegis Cyber LTDaegiscyber.co.ukHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 1 contacts → |
“Aegis Cyber is a London-based cyber security consultancy comprising of some of the best talent globally.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 21 of 46 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Railway cybersecurity firms: dataset insights
September 29, 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
46 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 46 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: September 29, 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 railway cybersecurity firms?
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 railway cybersecurity firms did RevenueBase find based in the United Kingdom?
The saved snapshot records 46 matching company records, 1,062 tracked contacts and 522 verified emails. The public preview displays 21 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 29, 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
Railway cybersecurity firms by geography
Cite this list
RevenueBase Data Team. Top 21 railway cybersecurity firms based in the United Kingdom. Snapshot: September 29, 2026. https://revenuebase.ai/companies/railway-cybersecurity-firms/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
- Railway cybersecurity firms based in Canada
- Railway cybersecurity firms based in France
- Railway cybersecurity firms based in Germany
- Railway cybersecurity firms based in Spain
- Railway cybersecurity firms based in the United States
- AI companies based in the United Kingdom
Company intelligence · public preview
Top 21 railway cybersecurity firms based in the United Kingdom
RevenueBase records 46 matching company records for railway cybersecurity firms based in the United Kingdom, with 1,062 tracked contacts and 522 verified work emails.
This public preview shows 21 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 29, 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 21 railway cybersecurity firms 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 | 303 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 · September 29, 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 | 159 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Adcommsadcomms.ltd HQ: Scunthorpe, United KingdomReported employees: 201-500 | Scunthorpe, United Kingdom | 201-500 | Exact match | 155 contacts → |
“ADComms is a leading provider of intelligent telecoms infrastructure and On-Train solutions for the UK rail industry.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Ketechketech.com HQ: Preston, United KingdomReported employees: 51-200 | Preston, United Kingdom | 51-200 | Exact match | 45 contacts → |
“Hello!” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Satisnet, A Gamma Companysatisnet.co.uk HQ: Luton, United KingdomReported employees: 51-200 | Luton, United Kingdom | 51-200 | Exact match | 45 contacts → |
“Established in 2004 (acquired by Gamma in 2023), Satisnet, a Gamma company is a pedigree-proven cyber security services and solutions specialist with a fully UK-based 24x7x365 SOC.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Barrier Networksbarriernetworks.com HQ: Glasgow, United KingdomReported employees: 11-50 | Glasgow, United Kingdom | 11-50 | Exact match | 34 contacts → |
“We are your strategic cybersecurity partner – going beyond traditional models to deliver agile, expert-led protection tailored to the needs of regulated industries and critical…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Razorsecurerazorsecure.com HQ: Basingstoke, United KingdomReported employees: 11-50 | Basingstoke, United Kingdom | 11-50 | Exact match | 32 contacts → |
“RazorSecure offers products and services to enhance railway cyber security by protecting networks and monitoring key systems.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Tekgemtekgem.co HQ: Sedgefield, United KingdomReported employees: 11-50 | Sedgefield, United Kingdom | 11-50 | Exact match | 26 contacts → |
“Tekgem bridges the gap between Information Technology (IT) and Operational Technology (OT).” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Sinevissinevis.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 17 contacts → |
“We are a leading cybersecurity services organization with more than a decade of proven expertise in consulting, solution implementation and managed services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 17 contacts → |
“We are a London based specialist supplier of cyber defence solution and information security services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Trust Hiretrusthire.co.uk HQ: St. Albans, United KingdomReported employees: 51-200 | St. Albans, United Kingdom | 51-200 | Exact match | 12 contacts → |
“We are innovators.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Camlin Railcamlinrail.com HQ: Lisburn, United KingdomReported employees: 501-1,000 | Lisburn, United Kingdom | 501-1,000 | Exact match | 9 contacts → |
“Powering Tomorrow's Journey The rail industry faces growing pressures; from ageing infrastructure and net-zero targets to increasing performance demands.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Icyberdefenceicyberdefence.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 8 contacts → |
“iCyberDefence is a boutique cybersecurity services firm that offers a wide range of security consulting and security engineering services with the necessary products and tools.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Teddington, United KingdomReported employees: 11-50 | Teddington, United Kingdom | 11-50 | Exact match | 8 contacts → |
“With over 40 years of information security experience, Hytec, a Civica company, is a trusted partner for organisations looking for expert, specialised cyber security protection.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | MET Systems LTDmetsystems.co.uk HQ: Rochford, United KingdomReported employees: 11-50 | Rochford, United Kingdom | 11-50 | Exact match | 4 contacts → |
“Met SYSTEMS have a comprehensive knowledge base of all Communication and Control & Information Systems used on railways and have played a pivotal role in the management and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Trinity OT Securitytrinity-ot.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Trinity OT Security specialises in cybersecurity solutions, system integration and professional services for Operational Technology (OT) environments.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Futronics Rail Limitedfutronics.net HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 3 contacts → |
“Rail technology company with extensive experience of rapid development and deployment of safety and monitoring equipment and services, including: Red Light Safety Cameras Level…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Arentis Limitedarentis.co.uk HQ: Sheffield, United KingdomReported employees: 1-10 | Sheffield, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Arentis is a specialist UK rail technology company, trusted to supply Network Rail approved CCTV, safety, and monitoring systems across the national rail network.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | 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 · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Aegis Cyber LTDaegiscyber.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 1 contacts → |
“Aegis Cyber is a London-based cyber security consultancy comprising of some of the best talent globally.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 21 of 46 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Railway cybersecurity firms: dataset insights
September 29, 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
46 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 46 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: September 29, 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 railway cybersecurity firms?
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 railway cybersecurity firms did RevenueBase find based in the United Kingdom?
The saved snapshot records 46 matching company records, 1,062 tracked contacts and 522 verified emails. The public preview displays 21 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 29, 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
Railway cybersecurity firms by geography
Cite this list
RevenueBase Data Team. Top 21 railway cybersecurity firms based in the United Kingdom. Snapshot: September 29, 2026. https://revenuebase.ai/companies/railway-cybersecurity-firms/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
- Railway cybersecurity firms based in Canada
- Railway cybersecurity firms based in France
- Railway cybersecurity firms based in Germany
- Railway cybersecurity firms based in Spain
- Railway cybersecurity firms based in the United States
- AI companies based in the United Kingdom