Company lists · Data refreshed September 2026

Top 25 Cybersecurity brands based in France

RevenueBase identified 767 cybersecurity brands headquartered in France as of September 2026 and tracks 14,982 professional contacts across them, including 6,201 with verified work emails. Paris is the largest hub.

This list covers cybersecurity brands headquartered in France, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 21, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 21, 2026 86% judged on-target in blind review
767Companies
14,982Contacts tracked
6,201Verified emails
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The 25 largest cybersecurity brands based in France

Ranked by team size
Top 25 of 767 cybersecurity brands based in France, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to cybersecurity brands: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceNanterre, FranceHQ checked Sep 21, 20261,001-5,0003,673 contacts →

Partial evidence

“Orange Cyberdefense is the expert cybersecurity business unit of the Orange Group.”

Source: RevenueBase Database · checked Sep 21, 2026
2Partial evidenceCourbevoie, FranceHQ checked Sep 21, 20261,001-5,000639 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 21, 2026
3Partial evidenceParis, FranceHQ checked Sep 21, 202651-200506 contacts →

Partial evidence

“Founded in 2008, OWN is a Pure Player in cybersecurity, with offices in Paris, Rennes and Toulouse, but with a presence throughout France with its fully remote employees.”

Source: RevenueBase Database · checked Sep 21, 2026
4Partial evidenceParis, FranceHQ checked Sep 21, 20261,001-5,000382 contacts →

Partial evidence

“NEVERHACK is a French group specialized in cybersecurity for over 40 years.”

Source: RevenueBase Database · checked Sep 21, 2026
5Indirect evidenceIssy-les-moulineaux, FranceHQ checked Sep 21, 2026201-500244 contacts →

Indirect evidence

“Formind est un leader français indépendant, expert en cybersécurité.”

Source: RevenueBase Database · checked Sep 21, 2026
6Indirect evidenceElancourt, FranceHQ checked Sep 21, 2026501-1,000225 contacts →

Indirect evidence

“The Cyber business of Airbus Defence and Space is a European specialist in cyber security for defence and aerospace systems and assets.”

Source: RevenueBase Database · checked Sep 21, 2026
7Indirect evidenceMeyreuil, FranceHQ checked Sep 21, 2026201-500210 contacts →

Indirect evidence

“Verimatrix (Euronext Paris: VMX) helps power the modern connected world with security made for people.”

Source: RevenueBase Database · checked Sep 21, 2026
8Indirect evidenceIvry-sur-seine, FranceHQ checked Sep 21, 20261,001-5,000191 contacts →

Indirect evidence

“STANLEY Security est devenu Securitas Technology en 2022.”

Source: RevenueBase Database · checked Sep 21, 2026
9Indirect evidencePessac, FranceHQ checked Sep 21, 2026201-500185 contacts →

Indirect evidence

“TEHTRIS is the software editor of the TEHTRIS XDR Platform, the world leader in automatic, real-time, non-human neutralization of cyber attacks.”

Source: RevenueBase Database · checked Sep 21, 2026
10Indirect evidenceCrolles, FranceHQ checked Sep 21, 2026201-500165 contacts →

Indirect evidence

“Atraltech, is a pioneer in electronic security, founded in 1977 in France.”

Source: RevenueBase Database · checked Sep 21, 2026
11Indirect evidenceClichy, FranceHQ checked Sep 21, 202651-200160 contacts →

Indirect evidence

“CybelAngel combines artificial intelligence and human expertise to help companies in all industries to detect, analyze and effectively counter cyber threats.”

Source: RevenueBase Database · checked Sep 21, 2026
12Partial evidenceCesson-sevigne, FranceHQ checked Sep 21, 202651-200154 contacts →

Partial evidence

“With presence and customers across 5 continents, Secure-IC is the rising leader and the only global provider of end-to-end cybersecurity solutions for embedded systems and…”

Source: RevenueBase Database · checked Sep 21, 2026
13Indirect evidenceParis, FranceHQ checked Sep 21, 202651-200151 contacts →

Indirect evidence

“Alliance entre #Thales, leader français de la #cybersécurité, et #Google, leader mondial du #Cloud proposant les meilleures technologies au service de l’#innovation, S3NS a pour…”

Source: RevenueBase Database · checked Sep 21, 2026
14Indirect evidenceMontpellier, FranceHQ checked Sep 21, 2026201-500144 contacts →

Indirect evidence

“Créée en Juin 2002, Services Network Security est spécialisée dans la sécurisation des passerelles internet et dans les interconnexions VPN.”

Source: RevenueBase Database · checked Sep 21, 2026
15Indirect evidenceVenelles, FranceHQ checked Sep 21, 2026201-500139 contacts →

Indirect evidence

“ADNOV, filiale du groupe ADSN, acteur de renommée française à l'ancrage national, développe depuis plus de 40 ans une expertise reconnue dans la cybersécurité et la protection des…”

Source: RevenueBase Database · checked Sep 21, 2026
16Indirect evidenceParis, FranceHQ checked Sep 21, 202651-200138 contacts →

Indirect evidence

“European leader in intrusion detection and advanced threat detection, Gatewatcher has been protecting the critical networks of large companies as well as public institutions since…”

Source: RevenueBase Database · checked Sep 21, 2026
17Partial evidenceRennes, FranceHQ checked Sep 21, 202651-200134 contacts →

Partial evidence

“Sekoia is the European agentic cybersecurity company building the Cyber Operations Platform for the AI era.”

Source: RevenueBase Database · checked Sep 21, 2026
18Partial evidenceToulouse, FranceHQ checked Sep 21, 202651-200126 contacts →

Partial evidence

“Since January 2007, ITrust has been offering cybersecurity solutions and expertise in 6 different countries on the European market.”

Source: RevenueBase Database · checked Sep 21, 2026
19Indirect evidenceParis, FranceHQ checked Sep 21, 202651-200111 contacts →

Indirect evidence

“Our services : Penetration tests and Security Audits, Gap Analysis and PCI DSS Certification, CERT-XMCO (vulnerability watch, Cyber Survellance/Threat Intelligence, Forensics).”

Source: RevenueBase Database · checked Sep 21, 2026
20Indirect evidenceParis, FranceHQ checked Sep 21, 202651-20095 contacts →

Indirect evidence

“Fondée en 2011 par Fred Raynal, Quarkslab est une entreprise française spécialisée dans la cybersécurité et plus spécifiquement dans la protection et l'analyse des logiciels.”

Source: RevenueBase Database · checked Sep 21, 2026
21Indirect evidenceBoulogne Billancourt, FranceHQ checked Sep 21, 202651-20094 contacts →

Indirect evidence

“Exclusive Networks (Euronext Paris: EXN) est un spécialiste mondial de la cybersécurité qui propose à ses partenaires et à ses clients finaux une unique combinaison de services et…”

Source: RevenueBase Database · checked Sep 21, 2026
22Indirect evidenceMontpellier, FranceHQ checked Sep 21, 202651-20091 contacts →

Indirect evidence

“Pure Player français en cybersécurité, fondé il y a 13 ans.”

Source: RevenueBase Database · checked Sep 21, 2026
23Indirect evidenceParis, FranceHQ checked Sep 21, 202651-20075 contacts →

Indirect evidence

“Magellan Sécurité, an entity of the Magellan Partners Group, offers integrated solutions to protect against internal threats and cyber attacks.”

Source: RevenueBase Database · checked Sep 21, 2026
24Indirect evidenceLe Plessis-robinson, FranceHQ checked Sep 21, 202651-20075 contacts →

Indirect evidence

“Acteur majeur de la cybersécurité, CS Group s'appuie sur ses équipes sont composées d’experts pluridisciplinaires qui offrent à nos clients une vision claire et une capacité…”

Source: RevenueBase Database · checked Sep 21, 2026
25Indirect evidenceMalakoff, FranceHQ checked Sep 21, 202651-20073 contacts →

Indirect evidence

“Aduneo vous accompagne à chaque étape pour protéger vos identités, sécuriser vos données et simplifier votre quotidien.”

Source: RevenueBase Database · checked Sep 21, 2026

Showing 25 of 767 cybersecurity brands based in France

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Cybersecurity brands based in France at a glance

As of Sep 21, 2026
41.4%Verified-email coverage
19.5Average contacts per company
1-10Median size (employees)
30.6%Largest-city concentration · Paris
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
490
11-50
184
51-200
58
201-500
21
501-1,000
2
1,001-5,000
11
10001+
1

Email recency for this list is measured worldwide rather than for France, so it is reported there. Company counts and contact totals on this page are exact for France, over 767 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among cybersecurity brands, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in France whose own description of what they do matches “cybersecurity brands”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names cybersecurity brands), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among cybersecurity brands, and records with no verified work email. Companies headquartered outside France are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 6,201 across the full list. 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 21, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Cybersecurity brands by metro

  • Cybersecurity brands in Paris235

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names cybersecurity brands, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many cybersecurity brands are there based in France?

RevenueBase identified 767 cybersecurity brands headquartered in France as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Orange Cyberdefense, headquartered in Paris, tops this list with the largest team on record.

Which city has the most cybersecurity brands?

Paris leads with 235 headquartered companies, followed by Lyon (20) and Toulouse (14).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 6,201 verified decision-maker contacts tracked across these 767 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 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 Smart Search, 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.