Company lists · Data refreshed November 2026

Top 25 Web security assessment services worldwide

Name: Web security assessment services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 5, 2026 5,607 companies tracked

RevenueBase identified 5,607 company matches for web security assessment services worldwide as of November 2026 and tracks 67,209 professional contacts across them, including 15,140 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for web security assessment 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 security assessment 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

5,607Companies

67,209Contacts tracked

15,140Verified emails

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The 25 largest web security assessment services worldwide

Ranked by team size

Top 25 of 5,607 company matches for web security assessment 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Private Sector	Exact match	United StatesHQ recorded Nov 5, 2026	n/a	13,149 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2	Guidepoint Security	Exact match	Reston, VA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,346 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
3	COBRA	Exact match	London, United KingdomHQ recorded Nov 5, 2026	n/a	782 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
4	Synack RED Team	Exact match	Austin, TX, United StatesHQ recorded Nov 5, 2026	n/a	693 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
5	Intigriti	Exact match	Antwerp, BelgiumHQ recorded Nov 5, 2026	n/a	672 contacts →
	Exact match “Intigriti is the trusted leader in crowdsourced security, empowering the world’s largest organizations to find and fix vulnerabilities before cybercriminals can exploit them.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6	Netspi	Exact match	Minneapolis, MN, United StatesHQ recorded Nov 5, 2026	501-1,000	608 contacts →
	Exact match “NetSPI® pioneered Penetration Testing as a Service (PTaaS) and leads the industry in modern, continuous pentesting.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7	Pentera	Exact match	Burlington, MA, United StatesHQ recorded Nov 5, 2026	201-500	485 contacts →
	Exact match “Pentera provides AI-powered Automated Security Validation for enterprise security teams.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8	Esec Forte Technologies	Exact match	Gurgaon, IndiaHQ recorded Nov 5, 2026	201-500	385 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 · Nov 5, 2026 · View company records in RevenueBase
9	Safeway	Exact match	Sao Paulo, BrazilHQ recorded Nov 5, 2026	201-500	359 contacts →
	Exact match “A SAFEWAY empresa que integra a plataforma de cibersegurança do Grupo Stefanini se une a Protega.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10	Bishop FOX	Exact match	Tempe, AZ, United StatesHQ recorded Nov 5, 2026	201-500	357 contacts →
	Exact match “Bishop Fox is recognized as the leading authority in offensive security, providing solutions ranging from continuous penetration testing, red teaming, and attack surface…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11	Talakunchi Networks PVT LTD	Exact match	Mumbai, IndiaHQ recorded Nov 5, 2026	201-500	355 contacts →
	Exact match “T A L A K U N C H I Networks Pvt.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12	Invicti	Exact match	Austin, United StatesHQ recorded Nov 5, 2026	201-500	347 contacts →
	Exact match “Invicti is transforming the way web applications are secured.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13	Techdefence	Exact match	Ahmedabad, IndiaHQ recorded Nov 5, 2026	201-500	346 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 · Nov 5, 2026 · View company records in RevenueBase
14	Nviso Security	Exact match	Brussels, BelgiumHQ recorded Nov 5, 2026	201-500	341 contacts →
	Exact match “NVISO is a cyber security services firm composed of outstanding security professionals - each has a specific field of expertise, ranging from security research and risk management…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15	Cobalt	Exact match	San Francisco, CA, United StatesHQ recorded Nov 5, 2026	201-500	335 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 · Nov 5, 2026 · View company records in RevenueBase
16	Prescient Security	Exact match	Nashville, TN, United StatesHQ recorded Nov 5, 2026	201-500	317 contacts →
	Exact match “Prescient Security is a global cybersecurity and compliance firm delivering risk-based audits, advanced penetration testing, and end-to-end framework support.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17	Portswigger	Exact match	Knutsford, United KingdomHQ recorded Nov 5, 2026	51-200	288 contacts →
	Exact match “PortSwigger is a global leader in the creation of software tools for security testing of web applications.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18	Oplium	Exact match	Sao Paulo, BrazilHQ recorded Nov 5, 2026	201-500	274 contacts →
	Exact match “We are a young company, founded in 2019 in Brazil, with the aim of bringing an innovative approach to the information security market, with state-of-the-art proprietary and…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19	Aikido Security	Exact match	Ghent, BelgiumHQ recorded Nov 5, 2026	201-500	259 contacts →
	Exact match “Software development has changed.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20	TCM Security	Exact match	Charlotte, NC, United StatesHQ recorded Nov 5, 2026	n/a	251 contacts →
	Exact match “A veteran-owned cybersecurity company focused on penetration testing, security training, and compliance.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21	TAC Security	Exact match	San Francisco, CA, United StatesHQ recorded Nov 5, 2026	51-200	245 contacts →
	Exact match “TAC Security (NSE: TAC) TAC Security, a leading publicly listed global cybersecurity company.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	Securin INC	Exact match	Albuquerque, NM, United StatesHQ recorded Nov 5, 2026	201-500	243 contacts →
	Exact match “Securin is an AI-native cybersecurity company that helps organizations discover, validate, prioritize, and mobilize against exploitable risk, before attackers can act.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23	Baxter Clewis Cybersecurity	Exact match	Cedar Hill, TX, United StatesHQ recorded Nov 5, 2026	201-500	243 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 · Nov 5, 2026 · View company records in RevenueBase
24	Kualitatem INC	Exact match	NY, United StatesHQ recorded Nov 5, 2026	201-500	199 contacts →
	Exact match “Kualitatem empowers businesses to deliver quality software.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25	Matrix 2bsecure	Exact match	Tel Aviv, IsraelHQ recorded Nov 5, 2026	51-200	198 contacts →
	Exact match “2Bsecure Ltd.” Recorded in the RevenueBase company graph · Nov 5, 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 “web security assessment services”. 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 5,607 web security assessment services worldwide

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Web security assessment services worldwide at a glance

As of Nov 5, 2026

22.5%Verified-email coverage

12.0Average contacts per company

1-10Median size (employees)

2.3%Largest-city concentration · London

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

3,445

11-50

1,734

51-200

321

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 security assessment services are linked below.
What qualifies: Company records worldwide whose business descriptions match “web security assessment 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 15,140 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 security assessment services by location

43 lists · largest first

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

How many web security assessment services are there worldwide?

RevenueBase identified 5,607 company matches for web security assessment 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 security assessment services?

The United States leads with 1,034 companies, followed by India (707) and the United Kingdom (361). Every web security assessment services list by country and city is linked on this page.

Which city has the most web security assessment services?

London leads with 129 company records, followed by Bangalore (84) and Sao Paulo (62).

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 15,140 professional contacts with verified work emails tracked across these 5,607 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.