Company lists · Data refreshed November 2026

Top 25 Cybersecurity career development companies worldwide

Name: Cybersecurity career development companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 5, 2026 23,501 companies tracked

RevenueBase identified 23,501 company matches for cybersecurity career development companies worldwide as of November 2026 and tracks 345,935 professional contacts across them, including 100,596 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for cybersecurity career development 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 November 5, 2026. Country and city lists for cybersecurity career development 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 Nov 5, 2026 How this list was built

23,501Companies

345,935Contacts tracked

100,596Verified emails

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The 25 largest cybersecurity career development companies worldwide

Ranked by team size

Top 25 of 23,501 company matches for cybersecurity career development companies 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	Palo Alto Networks	Exact match	Santa Clara, United StatesHQ recorded Nov 5, 2026	10001+	21,906 contacts →
	Exact match “Palo Alto Networks, the global cybersecurity leader, is shaping the cloud-centric future with technology that is transforming the way people and organizations operate.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2	Fortinet	Exact match	Sunnyvale, CA, United StatesHQ recorded Nov 5, 2026	10001+	15,414 contacts →
	Exact match “Fortinet makes possible a digital world that we can always trust through its mission to protect people, devices, and data everywhere.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3	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
4	Symantec	Exact match	San Jose, CA, United StatesHQ recorded Nov 5, 2026	10001+	11,878 contacts →
	Exact match “Your backstage pass to the most epic cybersecurity solutions on the market for Endpoint, Network, Data and Cloud security.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5	Sophos	Exact match	Abingdon, United KingdomHQ recorded Nov 5, 2026	5,001-10,000	5,283 contacts →
	Exact match “Sophos, a global cybersecurity leader, defends more than organizations worldwide with Sophos Fusion, the industry's first and most complete AI-native cybersecurity defense system…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6	Orange Cyberdefense	Exact match	Nanterre, FranceHQ recorded Nov 5, 2026	1,001-5,000	3,977 contacts →
	Exact match “Orange Cyberdefense is the expert cybersecurity business unit of the Orange Group.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7	OPTIV	Exact match	Leawood, KS, United StatesHQ recorded Nov 5, 2026	1,001-5,000	2,171 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
8	Sans Institute	Exact match	Rockville, MD, United StatesHQ recorded Nov 5, 2026	n/a	1,972 contacts →
	Exact match “SANS is the most trusted and by far the largest source for information and cybersecurity training and certification in the world.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9	Hack The BOX	Exact match	Folkestone, United KingdomHQ recorded Nov 5, 2026	n/a	1,760 contacts →
	Exact match “Hack The Box is the leading cyber readiness platform for the human-AI cyber workforce, helping organizations develop and measure the capabilities of the people and AI agents…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10	Fortra	Exact match	Eden Prairie, MN, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,691 contacts →
	Exact match “Fortra delivers AI-amplified data security solutions that help organizations use and protect data with confidence.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11	Quick Heal	Exact match	Pune, IndiaHQ recorded Nov 5, 2026	1,001-5,000	1,561 contacts →
	Exact match “Quick Heal Technologies Limited is one of the leading providers of IT Security and Data Protection Solutions with a strong footprint in India and an evolving global presence.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12	Site سايت	Exact match	Al Nakheel, Saudi ArabiaHQ recorded Nov 5, 2026	501-1,000	1,514 contacts →
	Exact match “We are established for enriching local content in designing, developing, and operating secure digital computing environments through Saudi talents, by fulfilling our role as a…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13	Thales Cybersecurity Products	Exact match	Austin, TX, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,413 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
14	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
15	Ec-Council	Exact match	Albuquerque, NM, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,324 contacts →
	Exact match “EC-Council is the creator of the globally renowned Certified Ethical Hacker (CEH) program.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16	Irdeto	Exact match	Hoofddorp, MN, NetherlandsHQ recorded Nov 5, 2026	1,001-5,000	1,091 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
17	Ensign Infosecurity	Exact match	Kuala, SingaporeHQ recorded Nov 5, 2026	501-1,000	989 contacts →
	Exact match “Ensign InfoSecurity is the largest pure-play end-to-end cybersecurity service provider in Asia.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18	Offsec	Exact match	New York, NY, United StatesHQ recorded Nov 5, 2026	201-500	919 contacts →
	Exact match “Empowering the world to fight cyber threats with indispensable cybersecurity skills and resources.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19	INE	Exact match	Charlotte, NC, United StatesHQ recorded Nov 5, 2026	n/a	910 contacts →
	Exact match “INE helps technology professionals and organizations build real-world expertise across networking, cybersecurity, cloud, and AI.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20	Cyderes	Exact match	Kansas City, MO, United StatesHQ recorded Nov 5, 2026	1,001-5,000	909 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
21	SQUAD	Exact match	Paris, FranceHQ recorded Nov 5, 2026	501-1,000	827 contacts →
	Exact match “The growing threat of cyber risks, the expansion of cloud computing and the emergence of the DevOps movement are reshaping IT practices, enlighting the relevance of our vision for…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	Cogent Infotech	Exact match	Pittsburgh, TX, United StatesHQ recorded Nov 5, 2026	501-1,000	823 contacts →
	Exact match “Cogent Infotech is an award-winning global IT consulting firm based in Pittsburgh that provides innovative technology services to Fortune 500 companies, government agencies, and…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23	Application Specialist Kompany ASK	Exact match	Lansing, MI, United StatesHQ recorded Nov 5, 2026	n/a	806 contacts →
	Exact match “ASK is now Convergence Networks!” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24	SISA	Exact match	Bangalore, IndiaHQ recorded Nov 5, 2026	1,001-5,000	755 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
25	Trustwave, A Levelblue Company	Exact match	Chicago, IL, United StatesHQ recorded Nov 5, 2026	501-1,000	733 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

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 “cybersecurity career development 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 23,501 cybersecurity career development companies worldwide

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Cybersecurity career development companies worldwide at a glance

As of Nov 5, 2026

29.1%Verified-email coverage

14.7Average contacts per company

1-10Median size (employees)

2.3%Largest-city concentration · London

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

13,663

11-50

7,351

51-200

1,815

201-500

380

501-1,000

113

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 cybersecurity career development companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “cybersecurity career development 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 100,596 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.

Cybersecurity career development companies by location

165 lists · largest first

Every Cybersecurity career development 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 “cybersecurity career development companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cybersecurity career development companies are there worldwide?

RevenueBase identified 23,501 company matches for cybersecurity career development companies 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?

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

Which country has the most cybersecurity career development companies?

The United States leads with 5,554 companies, followed by India (2,492) and the United Kingdom (1,358). Every cybersecurity career development companies list by country and city is linked on this page.

Which city has the most cybersecurity career development companies?

London leads with 545 company records, followed by Bangalore (250) and Paris (235).

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 100,596 professional contacts with verified work emails tracked across these 23,501 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.