Company lists · Data refreshed September 2026
Top 24 Healthcare IT security companies based in London, United Kingdom
RevenueBase identified 115 company matches for healthcare IT security companies associated with London, United Kingdom as of September 2026 and tracks 2,519 professional contacts across them, including 318 with verified work emails and 527 with mobile numbers. Across the United Kingdom, London is the largest hub for this category.
This list covers company matches for healthcare IT security companies associated with London, 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 12, 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 24 largest healthcare IT security companies based in London, United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 123 contacts → | ||||
Exact match “Bulletproof is now part of WorkNest Secure.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 2 | 105 contacts → | ||||
Exact match “Cybersecurity specialists providing technology and telecoms solutions that gives you the leadership, experience and resilience you need to build and secure the future of work.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 3 | 52 contacts → | ||||
Exact match “At Hexegic we are not just passionate about protecting data through our Cyber services we are passionate about helping companies release the potential of the data they hold…” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 4 | 32 contacts → | ||||
Exact match “CYB3R Group, is a leading provider of comprehensive Cyber Security, IT and Communications Solutions.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 5 | 25 contacts → | ||||
Exact match “Encode is now part of Obrela Security Industries collectively delivering cutting edge Cyber Security Services, empowering organizations to better protect against cyber threats.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 6 | 18 contacts → | ||||
Exact match “Infosec K2K safeguards your organisation’s most valuable assets with tailored cybersecurity solutions.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 7 | 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 12, 2026 · View company records in RevenueBase | |||||
| 8 | 15 contacts → | ||||
Exact match “Who We Are DataSixth delivers Cybersecurity Intelligence.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 9 | 14 contacts → | ||||
Exact match “Our goal is to help you reduce cybersecurity risk within your organisation, without adding complexity.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 10 | 13 contacts → | ||||
Exact match “Delivering Excellence in Cyber Security At ZDL, we believe that effective risk management requires a holistic 360° approach.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 11 | 13 contacts → | ||||
Exact match “Our mission at SOCGuardians is to empower organizations to operate confidently in a digital world by providing cutting-edge cybersecurity services.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 12 | 12 contacts → | ||||
Exact match “At Cyber Armed Security, we protect organisations worldwide from evolving cyber threats through intelligence-driven ethical hacking.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 13 | 11 contacts → | ||||
Exact match “Disclosure Cybersecurity Ltd is a specialist cyber security company, formed by professionals with extensive experience and wide exposure in the cyber security market.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 14 | 11 contacts → | ||||
Exact match “Our Core Values & Our mission are built on one goal: to be the most trusted, forward thinking IT partner you’ve ever worked with.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 15 | 7 contacts → | ||||
Exact match “Kloudwerk offers a game-changing approach to cyber security consulting for SMEs.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 16 | 7 contacts → | ||||
Exact match “Threat Protect is a vendor-agnostic cybersecurity, compliance and AI governance partner based in London, working with organisations across finance, legal, energy, pharma…” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 17 | 5 contacts → | ||||
Exact match “Automate the boring.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 18 | 5 contacts → | ||||
Exact match “At Rexel Cyber we help businesses fight the constant threat of cyber attack and data breach.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 19 | 5 contacts → | ||||
Exact match “Foresight Cyber is a boutique UK reseller of cyber security product licences.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 20 | 4 contacts → | ||||
Exact match “River Oakfield is a global cyber security firm which provides tailored solutions to individuals, business leaders and enterprise clients.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 21 | 4 contacts → | ||||
Exact match “Cynance is a business-driven cybersecurity and data protection consulting and Cyber tech reselling firm, trusted by organizations across the UK, EU, and worldwide.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 22 | 3 contacts → | ||||
Exact match “Grove unlocks business success by defending our customers with the most advanced cybersecurity solutions in the market place today.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 23 | 3 contacts → | ||||
Exact match “Dark Taurus are an innovative UK based Cybersecurity Solutions and Advisory company at the forefront of Risk Prevention and Risk Management.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 24 | 3 contacts → | ||||
Exact match “CyberSecure365™ offers an enterprising new approach to your company’s cyber security.” Recorded in the RevenueBase company graph · Sep 12, 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 “healthcare IT 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 24 of 115 healthcare IT security companies based in London, United Kingdom
See the full list, filter by size, metro and specialty, and access 318 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Healthcare IT security companies based in London, United Kingdom at a glance
As of Sep 12, 2026Companies by employee count
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 14.0dCompany record updated
Median 75.0dHow 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 London, United Kingdom whose business descriptions match “healthcare IT 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 318 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 12, 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 “healthcare IT security companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many healthcare IT security companies are there based in London, United Kingdom?
RevenueBase identified 115 company matches for healthcare IT security companies associated with London, 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?
Bulletproof Cyber Security tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in the United Kingdom has the most healthcare IT security companies?
London leads the United Kingdom with 116 company records, followed by Manchester (8) and Cheltenham (7).
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 318 professional contacts with verified work emails tracked across these 115 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 12, 2026.
Ready to reach these companies? Verified emails and direct dials for all 115 healthcare IT security companies based in London, United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Healthcare IT security companies by geography
- Healthcare IT security companies based in the United States
- Healthcare IT security companies based in Canada
- Healthcare IT security companies based in the United Kingdom
- Healthcare IT security companies based in Germany
- Healthcare IT security companies based in Brazil
- Healthcare IT security companies based in Australia
- Healthcare IT security companies based in France
- Healthcare IT security companies based in Melbourne, Australia
- Healthcare IT security companies based in Sydney, Australia
- Healthcare IT security companies based in Sao Paulo, Brazil
- Healthcare IT security companies based in Toronto, Canada
- Healthcare IT security companies based in Paris, France
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
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- Lists A-Z
- New lists
- Healthcare IT security companies based in the United States
- Healthcare IT security companies based in Canada
- Healthcare IT security companies based in the United Kingdom
- Healthcare IT security companies based in Germany
- Healthcare IT security companies based in Brazil
- Healthcare IT security companies based in Australia
Company intelligence · public preview
Top 24 healthcare IT security companies based in London, 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 115 matching company records for healthcare IT security companies based in London, United Kingdom, with 2,519 tracked contacts and 318 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 12, 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 24 healthcare IT security companies based in London, 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 |  Bulletproof Cyber Securityworknest.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 123 contacts → |
“Bulletproof is now part of WorkNest Secure.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Conoscoconosco.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 105 contacts → |
“Cybersecurity specialists providing technology and telecoms solutions that gives you the leadership, experience and resilience you need to build and secure the future of work.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Hexegichexegic.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 52 contacts → |
“At Hexegic we are not just passionate about protecting data through our Cyber services we are passionate about helping companies release the potential of the data they hold…” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Cyb3rcyb3rsolutrions.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 32 contacts → |
“CYB3R Group, is a leading provider of comprehensive Cyber Security, IT and Communications Solutions.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Encodeobrela.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 25 contacts → |
“Encode is now part of Obrela Security Industries collectively delivering cutting edge Cyber Security Services, empowering organizations to better protect against cyber threats.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Infosec K2kinfoseck2k.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 18 contacts → |
“Infosec K2K safeguards your organisation’s most valuable assets with tailored cybersecurity solutions.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  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 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Datasixth Consultingdatasixth.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 15 contacts → |
“Who We Are DataSixth delivers Cybersecurity Intelligence.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Crossword Cybersecurity PLCcrosswordcybersecurity.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 14 contacts → |
“Our goal is to help you reduce cybersecurity risk within your organisation, without adding complexity.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | The ZDL Group Limitedzdlgroup.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 13 contacts → |
“Delivering Excellence in Cyber Security At ZDL, we believe that effective risk management requires a holistic 360° approach.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Socguardians LTDsocguardians.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 13 contacts → |
“Our mission at SOCGuardians is to empower organizations to operate confidently in a digital world by providing cutting-edge cybersecurity services.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Cyber Armed Securitycyberarmedsecurity.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 12 contacts → |
“At Cyber Armed Security, we protect organisations worldwide from evolving cyber threats through intelligence-driven ethical hacking.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Disclosure Cybersecuritydisclosurecybersecurity.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 11 contacts → |
“Disclosure Cybersecurity Ltd is a specialist cyber security company, formed by professionals with extensive experience and wide exposure in the cyber security market.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Bunker Technical Solutionsbunker.technologyHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 11 contacts → |
“Our Core Values & Our mission are built on one goal: to be the most trusted, forward thinking IT partner you’ve ever worked with.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Kloudwerkkloudwerk.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 7 contacts → |
“Kloudwerk offers a game-changing approach to cyber security consulting for SMEs.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Threat Protectthreatprotect.co.ukHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 7 contacts → |
“Threat Protect is a vendor-agnostic cybersecurity, compliance and AI governance partner based in London, working with organisations across finance, legal, energy, pharma…” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Stratastratasecurity.co.ukHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“Automate the boring.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Rexel Cybersecurityrexelcyber.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 5 contacts → |
“At Rexel Cyber we help businesses fight the constant threat of cyber attack and data breach.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Foresight Cyberforesightcyber.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“Foresight Cyber is a boutique UK reseller of cyber security product licences.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  River Oakfieldriveroakfield.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 4 contacts → |
“River Oakfield is a global cyber security firm which provides tailored solutions to individuals, business leaders and enterprise clients.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Cynancecynance.coHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 4 contacts → |
“Cynance is a business-driven cybersecurity and data protection consulting and Cyber tech reselling firm, trusted by organizations across the UK, EU, and worldwide.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Grove Groupgroveis.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 3 contacts → |
“Grove unlocks business success by defending our customers with the most advanced cybersecurity solutions in the market place today.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Dark Taurusdarktaurus.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Dark Taurus are an innovative UK based Cybersecurity Solutions and Advisory company at the forefront of Risk Prevention and Risk Management.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Cybersecure365cybersecure365.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“CyberSecure365™ offers an enterprising new approach to your company’s cyber security.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 24 of 115 company matches
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Healthcare IT security companies: dataset insights
September 12, 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
115 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.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 14.0dCompany record updated
Median 75.0dHow this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 12, 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 healthcare IT 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 healthcare IT security companies did RevenueBase find based in London, United Kingdom?
The saved snapshot records 115 matching company records, 2,519 tracked contacts and 318 verified emails. The public preview displays 24 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 12, 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
Healthcare IT security companies by geography
- Healthcare IT security companies based in the United States
- Healthcare IT security companies based in Canada
- Healthcare IT security companies based in the United Kingdom
- Healthcare IT security companies based in Germany
- Healthcare IT security companies based in Brazil
- Healthcare IT security companies based in Australia
- Healthcare IT security companies based in France
- Healthcare IT security companies based in Melbourne, Australia
- Healthcare IT security companies based in Sydney, Australia
- Healthcare IT security companies based in Sao Paulo, Brazil
- Healthcare IT security companies based in Toronto, Canada
- Healthcare IT security companies based in Paris, France
Cite this list
RevenueBase Data Team. Top 24 healthcare IT security companies based in London, United Kingdom. Snapshot: September 12, 2026. https://revenuebase.ai/companies/healthcare-it-security-companies/united-kingdom/london.
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
- Healthcare IT security companies based in the United States
- Healthcare IT security companies based in Canada
- Healthcare IT security companies based in the United Kingdom
- Healthcare IT security companies based in Germany
- Healthcare IT security companies based in Brazil
- Healthcare IT security companies based in Australia
Company intelligence · public preview
Top 24 healthcare IT security companies based in London, United Kingdom
RevenueBase records 115 matching company records for healthcare IT security companies based in London, United Kingdom, with 2,519 tracked contacts and 318 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 12, 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 24 healthcare IT security companies based in London, 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 | Bulletproof Cyber Securityworknest.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 123 contacts → |
“Bulletproof is now part of WorkNest Secure.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Conoscoconosco.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 105 contacts → |
“Cybersecurity specialists providing technology and telecoms solutions that gives you the leadership, experience and resilience you need to build and secure the future of work.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Hexegichexegic.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 52 contacts → |
“At Hexegic we are not just passionate about protecting data through our Cyber services we are passionate about helping companies release the potential of the data they hold…” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Cyb3rcyb3rsolutrions.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 32 contacts → |
“CYB3R Group, is a leading provider of comprehensive Cyber Security, IT and Communications Solutions.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Encodeobrela.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 25 contacts → |
“Encode is now part of Obrela Security Industries collectively delivering cutting edge Cyber Security Services, empowering organizations to better protect against cyber threats.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Infosec K2kinfoseck2k.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 18 contacts → |
“Infosec K2K safeguards your organisation’s most valuable assets with tailored cybersecurity solutions.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Datasixth Consultingdatasixth.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 15 contacts → |
“Who We Are DataSixth delivers Cybersecurity Intelligence.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Crossword Cybersecurity PLCcrosswordcybersecurity.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 14 contacts → |
“Our goal is to help you reduce cybersecurity risk within your organisation, without adding complexity.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | The ZDL Group Limitedzdlgroup.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 13 contacts → |
“Delivering Excellence in Cyber Security At ZDL, we believe that effective risk management requires a holistic 360° approach.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Socguardians LTDsocguardians.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 13 contacts → |
“Our mission at SOCGuardians is to empower organizations to operate confidently in a digital world by providing cutting-edge cybersecurity services.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Cyber Armed Securitycyberarmedsecurity.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 12 contacts → |
“At Cyber Armed Security, we protect organisations worldwide from evolving cyber threats through intelligence-driven ethical hacking.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Disclosure Cybersecuritydisclosurecybersecurity.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 11 contacts → |
“Disclosure Cybersecurity Ltd is a specialist cyber security company, formed by professionals with extensive experience and wide exposure in the cyber security market.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Bunker Technical Solutionsbunker.technology HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 11 contacts → |
“Our Core Values & Our mission are built on one goal: to be the most trusted, forward thinking IT partner you’ve ever worked with.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Kloudwerkkloudwerk.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 7 contacts → |
“Kloudwerk offers a game-changing approach to cyber security consulting for SMEs.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Threat Protectthreatprotect.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 7 contacts → |
“Threat Protect is a vendor-agnostic cybersecurity, compliance and AI governance partner based in London, working with organisations across finance, legal, energy, pharma…” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Stratastratasecurity.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“Automate the boring.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Rexel Cybersecurityrexelcyber.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 5 contacts → |
“At Rexel Cyber we help businesses fight the constant threat of cyber attack and data breach.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Foresight Cyberforesightcyber.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 5 contacts → |
“Foresight Cyber is a boutique UK reseller of cyber security product licences.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | River Oakfieldriveroakfield.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 4 contacts → |
“River Oakfield is a global cyber security firm which provides tailored solutions to individuals, business leaders and enterprise clients.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Cynancecynance.co HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 4 contacts → |
“Cynance is a business-driven cybersecurity and data protection consulting and Cyber tech reselling firm, trusted by organizations across the UK, EU, and worldwide.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Grove Groupgroveis.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 3 contacts → |
“Grove unlocks business success by defending our customers with the most advanced cybersecurity solutions in the market place today.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Dark Taurusdarktaurus.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Dark Taurus are an innovative UK based Cybersecurity Solutions and Advisory company at the forefront of Risk Prevention and Risk Management.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Cybersecure365cybersecure365.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“CyberSecure365™ offers an enterprising new approach to your company’s cyber security.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 24 of 115 company matches
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Healthcare IT security companies: dataset insights
September 12, 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
115 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.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 14.0dCompany record updated
Median 75.0dHow this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 12, 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 healthcare IT 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 healthcare IT security companies did RevenueBase find based in London, United Kingdom?
The saved snapshot records 115 matching company records, 2,519 tracked contacts and 318 verified emails. The public preview displays 24 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 12, 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
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Cite this list
RevenueBase Data Team. Top 24 healthcare IT security companies based in London, United Kingdom. Snapshot: September 12, 2026. https://revenuebase.ai/companies/healthcare-it-security-companies/united-kingdom/london.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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