Company lists · Data refreshed October 2026

Top 25 Healthcare IT security companies worldwide

RevenueBase identified 3,250 company matches for healthcare IT security companies worldwide as of October 2026 and tracks 48,797 professional contacts across them, including 19,349 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for healthcare IT security companies worldwide, 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 October 1, 2026. Country and city lists for healthcare IT security companies follow the table.

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 Oct 1, 2026 How this list was built
3,250Companies
48,797Contacts tracked
19,349Verified emails
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The 25 largest healthcare IT security companies worldwide

Ranked by team size
Top 25 of 3,250 company matches for healthcare IT security companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchAbingdon, United KingdomHQ recorded Oct 1, 20265,001-10,0004,925 contacts →

Exact match

“Sophos is a cybersecurity leader defending organizations globally with an AI-driven platform and expert-led services.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2Exact matchEden Prairie, MN, United StatesHQ recorded Oct 1, 20261,001-5,0001,648 contacts →

Exact match

“Fortra delivers AI-amplified cybersecurity solutions that help organizations use and protect data with confidence.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3Exact matchLinköping, SwedenHQ recorded Oct 1, 20261,001-5,0001,303 contacts →

Exact match

“Driven by knowledge and passion, our vision is to contribute to a healthier and safer society.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4Exact matchAustin, TX, United StatesHQ recorded Oct 1, 20261,001-5,0001,252 contacts →

Exact match

“Thales is a global leader in cybersecurity, helping the most trusted organizations in the world protect their most critical applications, data, and identities anywhere at scale.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5Exact matchAustin, TX, United StatesHQ recorded Oct 1, 202610001+1,217 contacts →

Exact match

“On Dec.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6Exact matchWaltham, MA, United StatesHQ recorded Oct 1, 20261,001-5,0001,076 contacts →

Exact match

“Imprivata delivers access management solutions for healthcare and other mission-critical industries to ensure every second of crucial work is both frictionless and secure.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7Exact matchChicago, IL, United StatesHQ recorded Oct 1, 20261,001-5,000947 contacts →

Exact match

“Coalfire is the premier Cybersecurity and Compliance Services leader for the tech, healthcare, and finance industries.(This page is maintained by Marketing.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8Exact matchChicago, IL, United StatesHQ recorded Oct 1, 2026501-1,000874 contacts →

Exact match

“Trustwave, a LevelBlue Company, is a globally recognized cybersecurity leader that reduces cyber risk and fortifies organizations against disruptive and damaging cyber threats.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9Exact matchBangalore, IndiaHQ recorded Oct 1, 2026201-500743 contacts →

Exact match

“SISA is a global forensics-driven cybersecurity solutions company, trusted by leading organizations for securing their businesses with robust preventive, detective, and corrective…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10Exact matchFuveau, FranceHQ recorded Oct 1, 2026501-1,000702 contacts →

Exact match

“Good health has always been something to treasure.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11Exact matchBanbury, United KingdomHQ recorded Oct 1, 20261,001-5,000583 contacts →

Exact match

“We’re changing – iSOFT is now part of the Healthcare Group of CSC You’ve known us as iSOFT, one of the world’s leading providers of innovative healthcare software.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12Exact matchHelsinki, FinlandHQ recorded Oct 1, 2026501-1,000563 contacts →

Exact match

“WithSecure™ is Europe's cybersecurity partner of choice.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13Exact matchBrentwood, TN, United StatesHQ recorded Oct 1, 2026501-1,000538 contacts →

Exact match

“HCTec partners with healthcare organizations to deliver trusted technology solutions that create real impact across clinical, operational, and IT environments.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14Exact matchDubai, United Arab EmiratesHQ recorded Oct 1, 2026201-500525 contacts →

Exact match

“Protection is Paramount!”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Oct 1, 2026501-1,000502 contacts →

Exact match

“SecurityHQ, a global cybersecurity company pioneering Security Performance Engineering for stronger operational performance and resilience.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16Exact matchGurgaon, IndiaHQ recorded Oct 1, 2026201-500363 contacts →

Exact match

“eSec Forte® Technologies is a CMMi Level 3 certified Global Consulting and IT Security Services company with offerings across Cloud Security, Cyber Forensics, Malware Detection…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17Exact matchPhiladelphia, PA, United StatesHQ recorded Oct 1, 2026201-500315 contacts →

Exact match

“We deliver cybersecurity consulting, 24x7 operations and SaaS to leading companies in the Financial Services, Healthcare, Pharmaceuticals, Technology and Retail industries.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18Exact matchBrussels, BelgiumHQ recorded Oct 1, 2026201-500305 contacts →

Exact match

“Building Smarter Care, Together.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19Exact matchWels, AustriaHQ recorded Oct 1, 2026501-1,000290 contacts →

Exact match

“Seit über 25 Jahren stehen wir, die x-tention, für maßgeschneiderte IT-Gesamtlösungen im Gesundheits- und Sozialwesen.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20Exact matchTampa, FL, United StatesHQ recorded Oct 1, 2026201-500272 contacts →

Exact match

“DAS Health delivers the highest value Health IT and Business Solutions for healthcare organizations all over the country.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21Exact matchWettingen, SwitzerlandHQ recorded Oct 1, 2026501-1,000269 contacts →

Exact match

“As a leading IT security enterprise, the SITS Group stands for end-to-end security.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22Exact matchCedar Hill, TX, United StatesHQ recorded Oct 1, 2026201-500255 contacts →

Exact match

“Baxter Clewis Cybersecurity, we bring to the table a unique set of experiences that allow us to best serve your cybersecurity needs.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23Exact match5026 Rk Tilburg, NetherlandsHQ recorded Oct 1, 2026201-500251 contacts →

Exact match

“VECOZO zorgt voor veilige en efficiënte gegevensuitwisseling in de zorg.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24Exact matchOttawa, ON, CanadaHQ recorded Oct 1, 20261,001-5,000248 contacts →

Exact match

“Calian IT & Cyber Solutions (ITCS) is a global everything-as-a-service, cybersecurity, digital healthcare, application modernization and IT solution provider, committed to helping…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25Exact matchUtrecht, NetherlandsHQ recorded Oct 1, 2026201-500246 contacts →

Exact match

“RAM Infotechnology (RAM-IT) is an IT specialist for the healthcare sector-an industry with some of the highest IT standards.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase

Showing 25 of 3,250 healthcare IT security companies worldwide

See the full list, filter by size, metro and specialty, and access 19,349 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Healthcare IT security companies worldwide at a glance

As of Oct 1, 2026
39.7%Verified-email coverage
15.0Average contacts per company
1-10Median size (employees)
1.8%Largest-city concentration · London
Oct 1, 2026Page data refreshed

Companies by employee count

1-10
1,705
11-50
1,153
51-200
280
201-500
66
501-1,000
21
1,001-5,000
17
5,001-10,000
1
10001+
2

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for healthcare IT security companies are linked below.
What qualifies
Company records worldwide 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. 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 19,349 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 October 1, 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.

Healthcare IT security companies by location

42 lists · largest first

Every Healthcare IT security companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 worldwide?

RevenueBase identified 3,250 company matches for healthcare IT security companies worldwide as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Sophos tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most healthcare IT security companies?

The United States leads with 2,056 companies, followed by the United Kingdom (307) and India (271). Every healthcare IT security companies list by country and city is linked on this page.

Which city has the most healthcare IT security companies?

London leads with 58 company records, followed by Dubai (41) and Bangalore (34).

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 19,349 professional contacts with verified work emails tracked across these 3,250 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 October 1, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.