Company lists · Data refreshed November 2026

Top 25 Web application security services worldwide

RevenueBase identified 17,090 company matches for web application security services worldwide as of November 2026 and tracks 218,850 professional contacts across them, including 60,412 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for web application security services 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 November 5, 2026. Country and city lists for web application security services 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 Nov 5, 2026 How this list was built
17,090Companies
218,850Contacts tracked
60,412Verified emails
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The 25 largest web application security services worldwide

Ranked by team size
Top 25 of 17,090 company matches for web application security services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 Nov 5, 2026n/a13,149 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchMilan, ItalyHQ recorded Nov 5, 202610001+3,593 contacts →

Exact match

“Il Gruppo Sicuritalia, con oltre 18.500 dipendenti, è la più grande azienda italiana ed il secondo player privato europeo in ambito Security.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchEden Prairie, United StatesHQ recorded Nov 5, 20261,001-5,0003,355 contacts →

Exact match

“Every year new technologies, vendors, and solutions emerge-yet despite this constant innovation, high-profile breaches are all over the headlines.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchLeawood, KS, United StatesHQ recorded Nov 5, 20261,001-5,0002,171 contacts →

Exact match

“Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchTel Aviv, IsraelHQ recorded Nov 5, 20261,001-5,0001,577 contacts →

Exact match

“Radware® is a global leader in application security and delivery solutions for multi-cloud environments.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchAustin, TX, United StatesHQ recorded Nov 5, 20261,001-5,0001,413 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 · Nov 5, 2026 · View company records in RevenueBase
7Exact matchReston, VA, United StatesHQ recorded Nov 5, 20261,001-5,0001,346 contacts →

Exact match

“GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchAustin, TX, United StatesHQ recorded Nov 5, 202610001+1,192 contacts →

Exact match

“On Dec.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchMexico City, MexicoHQ recorded Nov 5, 20261,001-5,0001,159 contacts →

Exact match

“A lo largo de 30 años, hemos incursionado y evolucionado en distintas áreas atendiendo en el continente americano a clientes privados, corporativos y sector gobierno.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchMarseille, FranceHQ recorded Nov 5, 202610001+1,142 contacts →

Exact match

“La proposition de valeur d'Onet dans la sécurité se fonde sur - son expertise sécurité et sa capacité à analyser les besoins et risques propres à ses clients- sa parfaite maîtrise…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchHoofddorp, MN, NetherlandsHQ recorded Nov 5, 20261,001-5,0001,091 contacts →

Exact match

“Irdeto, a CANAL+ company, is the world leader in digital platform cybersecurity, empowering businesses to innovate for a secure, connected future.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchParamus, NJ, United StatesHQ recorded Nov 5, 2026501-1,0001,079 contacts →

Exact match

“Checkmarx helps the world’s largest enterprises get ahead of application risk without slowing down development.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchKansas City, MO, United StatesHQ recorded Nov 5, 20261,001-5,000909 contacts →

Exact match

“Cyderes is a global managed cybersecurity services partner dedicated to defending against today’s relentless threatscape.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchOslo, NorwayHQ recorded Nov 5, 20265,001-10,000859 contacts →

Exact match

“Securitas AS er det største og eldste sikkerhetsselskapet i Norge.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Nov 5, 2026n/a782 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 · Nov 5, 2026 · View company records in RevenueBase
16Exact matchBangalore, IndiaHQ recorded Nov 5, 20261,001-5,000755 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 · Nov 5, 2026 · View company records in RevenueBase
17Exact matchMunich, GermanyHQ recorded Nov 5, 2026501-1,000739 contacts →

Exact match

“Identity Excellence Delivered.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchChicago, IL, United StatesHQ recorded Nov 5, 2026501-1,000733 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 · Nov 5, 2026 · View company records in RevenueBase
19Exact matchMumbai, IndiaHQ recorded Nov 5, 2026501-1,000733 contacts →

Exact match

“With 35 years of experience, Softcell Technologies Global is a trusted IT services provider specialising in (i) IT security and cybersecurity solutions,(ii) cloud / on-premise…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchLos Angeles, CA, United StatesHQ recorded Nov 5, 20261,001-5,000697 contacts →

Exact match

“Professional Security Consultants, Inc.(PSC) is a world-class provider of security guard services, patrol, investigations, backgrounds, consulting, security screening & specialty…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchAustin, TX, United StatesHQ recorded Nov 5, 2026n/a693 contacts →

Exact match

“The Synack Red Team is a private freelance security research team that spans 6 continents and over 80 countries.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchCourbevoie, FranceHQ recorded Nov 5, 20261,001-5,000687 contacts →

Exact match

“I-TRACING, pure player and cybersecurity service provider leader in France, supports over 600 clients around the world in managing their cyber risks, from anticipating threats to…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchLagos, NigeriaHQ recorded Nov 5, 2026501-1,000677 contacts →

Exact match

“Halogen Group formerly known as Halogen Security Company Limited is the leading Security Solutions Provider in West Africa.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchAshburn, VA, United StatesHQ recorded Nov 5, 2026501-1,000676 contacts →

Exact match

“Telos Corporation (NASDAQ: TLS) empowers and protects the world’s most security-conscious organizations with efficient, adaptable, and secure solutions that safeguard people…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchPlano, TX, United StatesHQ recorded Nov 5, 2026501-1,000658 contacts →

Exact match

“At Network Intelligence, we combine our team of 500+ security professionals with Transilience – our cutting-edge AI platform.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 17,090 web application security services worldwide

See the full list, filter by size, metro and specialty, and access 60,412 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Web application security services worldwide at a glance

As of Nov 5, 2026
27.6%Verified-email coverage
12.8Average contacts per company
1-10Median size (employees)
2.2%Largest-city concentration · London
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
9,609
11-50
5,602
51-200
1,353
201-500
284
501-1,000
73
1,001-5,000
77
5,001-10,000
12
10001+
17

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 web application security services are linked below.
What qualifies
Company records worldwide whose business descriptions match “web application security services” 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 60,412 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 November 5, 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.

Web application security services by location

135 lists · largest first

Every Web application security services 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 “web application security services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many web application security services are there worldwide?

RevenueBase identified 17,090 company matches for web application security services worldwide as of November 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 web application security services?

The United States leads with 3,657 companies, followed by India (1,612) and the United Kingdom (977). Every web application security services list by country and city is linked on this page.

Which city has the most web application security services?

London leads with 380 company records, followed by Sao Paulo (209) and Bangalore (167).

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 60,412 professional contacts with verified work emails tracked across these 17,090 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 November 5, 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.