Company lists · Data refreshed September 2026

Top 25 Healthcare cybersecurity assessment companies based in London, United Kingdom

Name: Healthcare cybersecurity assessment companies based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 136 companies tracked

RevenueBase identified 136 company matches for healthcare cybersecurity assessment companies associated with London, United Kingdom as of September 2026 and tracks 2,708 professional contacts across them, including 379 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for healthcare cybersecurity assessment 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 28, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 28, 2026 How this list was built

136Companies

2,708Contacts tracked

379Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest healthcare cybersecurity assessment companies based in London, United Kingdom

Ranked by team size

Top 25 of 136 company matches for healthcare cybersecurity assessment companies based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	COBRA	Exact match	London, United KingdomHQ recorded Sep 28, 2026	n/a	705 contacts →
	Exact match “Get a free, powerful security assessment with personalised recommendations, the same analysis that costs from IT Consultancies.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Bulletproof Cyber Security	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	123 contacts →
	Exact match “Bulletproof is now part of WorkNest Secure.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Cybersmart	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	84 contacts →
	Exact match “Cybersecurity should be simple.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Covertswarm	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	64 contacts →
	Exact match “YOU DESERVE TO BE HACKED®.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Hexegic	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	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 28, 2026 · View company records in RevenueBase
6	Redhunt Labs	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	36 contacts →
	Exact match “RedHunt Labs is a research-driven cybersecurity company delivering Continuous Threat Exposure Management (CTEM), PTaaS, and AI Exposure Security.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Toro Solutions	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	23 contacts →
	Exact match “Toro was founded on creating the UK's first Red Team penetration test - and then attacking hundreds of clients by hacking their systems, influencing / social engineering staff and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	CYPRO	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	21 contacts →
	Exact match “Secure.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	th4ts3cur1ty.company	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	18 contacts →
	Exact match “th4ts3cur1ty.company supplies cyber security services internationally.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Sinevis	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	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 28, 2026 · View company records in RevenueBase
11	Cyber Tzar	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	17 contacts →
	Exact match “Cyber Security Assessment, Score Carding, Benchmarking, and Risk Management Platform.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Eh1-Infotech Cybersecurity	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	15 contacts →
	Exact match “is an ISO 9001:2015 and ISO/IEC 27001:2022 certified, DPIIT-recognized cybersecurity company delivering structured External Vulnerability Assessment & Penetration Testing (VAPT)…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Everycloud AI & Data Security	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	14 contacts →
	Exact match “Demand more from your AI & Data Security partner.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	The ZDL Group Limited	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	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 28, 2026 · View company records in RevenueBase
15	Goallsecure	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	13 contacts →
	Exact match “In today’s world, cyber threats are complex and multilayered, so complete protection is not achievable through a single solution or product, that's why GoAllSecure provides a 360°…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Socguardians LTD	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	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 28, 2026 · View company records in RevenueBase
17	Cyber Armed Security	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	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 28, 2026 · View company records in RevenueBase
18	Disclosure Cybersecurity	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	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 28, 2026 · View company records in RevenueBase
19	Cortida	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	7 contacts →
	Exact match “Through excellent consultancy we protect clients from reputation damage, financial penalties and the operational disruption associated with data incidents and cyberattacks.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Kloudwerk	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	7 contacts →
	Exact match “Kloudwerk offers a game-changing approach to cyber security consulting for SMEs.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Medicare Network	Exact match	London, United KingdomHQ recorded Sep 28, 2026	11-50	7 contacts →
	Exact match “Medicare Network is a niche, agile cybersecurity and risk management company offering a range of industry-leading and advanced solutions that combines human intelligence…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Threat Protect	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	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 28, 2026 · View company records in RevenueBase
23	Assuric	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	6 contacts →
	Exact match “Assuric is the trusted workspace for digital health companies to achieve and maintain compliance.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Strata	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	5 contacts →
	Exact match “Automate the boring.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Astragar Cybersecurity & Risk Management	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1-10	5 contacts →
	Exact match “Astragar: business-aligned cyber risk, anchored on your assets Security teams drown in technical findings while boards, auditors and insurers need answers they can price, explain…” Recorded in the RevenueBase company graph · Sep 28, 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 cybersecurity assessment companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 136 healthcare cybersecurity assessment companies based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 379 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Healthcare cybersecurity assessment companies based in London, United Kingdom at a glance

As of Sep 28, 2026

14.0%Verified-email coverage

19.9Average contacts per company

1-10Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 136 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 London, United Kingdom whose business descriptions match “healthcare cybersecurity assessment 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 379 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 28, 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 cybersecurity assessment companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many healthcare cybersecurity assessment companies are there based in London, United Kingdom?

RevenueBase identified 136 company matches for healthcare cybersecurity assessment 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?

COBRA 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 cybersecurity assessment companies?

London leads the United Kingdom with 136 company records, followed by Manchester (12) and Birmingham (9).

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 379 professional contacts with verified work emails tracked across these 136 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 28, 2026.

Ready to reach these companies? Verified emails and direct dials for all 136 healthcare cybersecurity assessment companies based in London, United Kingdom. Start with a free account, no credit card.

Download this list →

Related lists

Healthcare cybersecurity assessment companies by geography

Browse the directory

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.