Company lists · Data refreshed September 2026

Top 25 Vulnerability assessment service providers worldwide

RevenueBase identified 2,845 company matches for vulnerability assessment service providers worldwide as of September 2026 and tracks 35,607 professional contacts across them, including 5,556 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for vulnerability assessment service providers 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 September 22, 2026. Country and city lists for vulnerability assessment service providers 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 Sep 22, 2026 How this list was built
2,845Companies
35,607Contacts tracked
5,556Verified emails
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The 25 largest vulnerability assessment service providers worldwide

Ranked by team size
Top 25 of 2,845 company matches for vulnerability assessment service providers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 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 matchUnited StatesHQ recorded Sep 22, 2026n/a12,771 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Sep 22, 2026n/a705 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 22, 2026 · View company records in RevenueBase
3Exact matchSan Francisco, CA, United StatesHQ recorded Sep 22, 2026201-500350 contacts →

Exact match

“Cobalt is the pioneer in pentesting as a service and a leader in offensive security services.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4Exact matchAhmedabad, IndiaHQ recorded Sep 22, 2026201-500340 contacts →

Exact match

“TechDefence Labs (TechD Cybersecurity Limited) Award-winning | Innovative | Visionary We empower organizations across the globe to secure their applications, networks, and digital…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5Exact matchAlbuquerque, NM, United StatesHQ recorded Sep 22, 2026201-500244 contacts →

Exact match

“Securin is obsessed with helping leaders continuously improve their security posture.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6Exact matchRedwood City, CA, United StatesHQ recorded Sep 22, 2026201-500237 contacts →

Exact match

“Synack is the leader in human-led and agentic AI-powered Penetration Testing as a Service (PTaaS), transforming offensive security to help organizations proactively reduce risk…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7Exact matchSan Francisco, CA, United StatesHQ recorded Sep 22, 202651-200208 contacts →

Exact match

“TAC Security (NSE: TAC) TAC Security, a leading publicly listed global cybersecurity company specializing in vulnerability management, today serves clients across 100 countries…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8Exact matchTel Aviv, IsraelHQ recorded Sep 22, 202651-200180 contacts →

Exact match

“2Bsecure Ltd.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9Exact matchPune, IndiaHQ recorded Sep 22, 202651-200156 contacts →

Exact match

“At Payatu we believe in following one’s passion and with that thought, we have created a world class team of researchers and executors who are bending the rules to provide state…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10Exact matchGhent, BelgiumHQ recorded Sep 22, 2026201-500154 contacts →

Exact match

“From vulnerability management to penetration testing, secure everything you build, host, and run with Aikido.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11Exact matchMenlo Park, CA, United StatesHQ recorded Sep 22, 202651-200154 contacts →

Exact match

“RedSeal is an agentless, AI enabled exposure management platform for hybrid and remote infrastructure.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12Exact matchPune, IndiaHQ recorded Sep 22, 202651-200149 contacts →

Exact match

“SecureLayer7 is a CREST accredited advanced offensive security solutions provider, combining deep expertise with innovative products to protect modern digital enterprises.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13Exact matchDubai, United Arab EmiratesHQ recorded Sep 22, 202651-200147 contacts →

Exact match

“RNS Technology Services, which has grown massively in the UAE, Qatar, Saudi, Singapore, Malaysia & India, is an international award-winning cybersecurity Value-Added Reseller and…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14Exact matchSunnyvale, CA, United StatesHQ recorded Sep 22, 202651-200138 contacts →

Exact match

“SafeBreach is on a mission to help organizations have certainty in their security.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15Exact matchBaton Rouge, LA, United StatesHQ recorded Sep 22, 202651-200115 contacts →

Exact match

“TraceSecurity is a leading cybersecurity services company, providing a broad range of services and solutions in IT security compliance, risk and vulnerability management, and…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16Exact matchAlexandria, VA, United StatesHQ recorded Sep 22, 2026n/a113 contacts →

Exact match

“Strategic Security is an IT Security consulting firm that provides in-depth technical security assessments of your network, web application, and regulatory compliance gap analysis…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17Exact matchNoida, IndiaHQ recorded Sep 22, 202611-50112 contacts →

Exact match

“Securium Solutions Private Limited is a CERT-In Empanelled cybersecurity company helping organizations secure their digital infrastructure against evolving cyber threats.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18Exact matchDenver, CO, United StatesHQ recorded Sep 22, 202651-200111 contacts →

Exact match

“DirectDefense provides enterprise risk assessments, penetration testing, ICS/SCADA security services, and 24/7 managed security services for companies of all sizes.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19Exact matchOsnabrueck, GermanyHQ recorded Sep 22, 202651-200109 contacts →

Exact match

“With over installations worldwide, Greenbone is the most widely used provider of open source vulnerability management.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20Exact matchFolsom, CA, United StatesHQ recorded Sep 22, 2026201-500109 contacts →

Exact match

“West Advanced Technologies, Inc.(WATI) is a California-headquartered technology solutions provider, delivering 100% success for clients from government agencies, tech companies…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21Exact matchSeattle, WA, United StatesHQ recorded Sep 22, 202651-200107 contacts →

Exact match

“IOActive is a trusted partner for Global enterprises, providing research-fueled security services across all industries.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22Exact matchCapital Federal, ArgentinaHQ recorded Sep 22, 202651-200107 contacts →

Exact match

“Since 1996, we help companies to improve their cybersecurity posture.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
23Exact matchPune, IndiaHQ recorded Sep 22, 202651-200105 contacts →

Exact match

“EncureIT System is primarily an Information Security Specialist Company that believes in delivering comprehensive professional security services to its clients.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24Exact matchLeeds, United KingdomHQ recorded Sep 22, 202651-20099 contacts →

Exact match

“AppCheck is a Complete Enterprise Security Testing Solution that provides up to the minute vulnerability coverage for your entire estate.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25Exact matchTampa, United StatesHQ recorded Sep 22, 202651-20099 contacts →

Exact match

“ConnectSecure empowers information security professionals to safeguard their business-critical data from vulnerabilities and exploits.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase

Showing 25 of 2,845 vulnerability assessment service providers worldwide

See the full list, filter by size, metro and specialty, and access 5,556 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Vulnerability assessment service providers worldwide at a glance

As of Sep 22, 2026
15.6%Verified-email coverage
12.5Average contacts per company
1-10Median size (employees)
2.0%Largest-city concentration · London
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
1,841
11-50
834
51-200
137
201-500
26
501-1,000
2
1,001-5,000
1
5,001-10,000
1
10001+
1

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 vulnerability assessment service providers are linked below.
What qualifies
Company records worldwide whose business descriptions match “vulnerability assessment service providers” 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 5,556 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 22, 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.

Vulnerability assessment service providers by location

12 lists · largest first

Every Vulnerability assessment service providers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “vulnerability assessment service providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many vulnerability assessment service providers are there worldwide?

RevenueBase identified 2,845 company matches for vulnerability assessment service providers worldwide 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?

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

Which country has the most vulnerability assessment service providers?

The United States leads with 678 companies, followed by India (342) and the United Kingdom (162). Every vulnerability assessment service providers list by country and city is linked on this page.

Which city has the most vulnerability assessment service providers?

London leads with 57 company records, followed by Hyderabad (30) and Pune (30).

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 5,556 professional contacts with verified work emails tracked across these 2,845 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 22, 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.