Company lists · Data refreshed September 2026
Top 25 Big cybersecurity companies based in France
RevenueBase identified 289 company matches for big cybersecurity companies associated with France as of September 2026 and tracks 9,467 professional contacts across them, including 4,135 with verified work emails. Paris is the largest hub.
This list covers company matches for big cybersecurity companies associated with France, 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 21, 2026.
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.
The 25 largest big cybersecurity companies based in France
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 3,673 contacts → | ||||
Exact match “Orange Cyberdefense is the expert cybersecurity business unit of the Orange Group.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 2 | 506 contacts → | ||||
Exact match “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.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 3 | 382 contacts → | ||||
Exact match “NEVERHACK is a French group specialized in cybersecurity for over 40 years.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 4 | 225 contacts → | ||||
Exact match “The Cyber business of Airbus Defence and Space is a European specialist in cyber security for defence and aerospace systems and assets.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 5 | 185 contacts → | ||||
Exact match “TEHTRIS is the software editor of the TEHTRIS XDR Platform, the world leader in automatic, real-time, non-human neutralization of cyber attacks.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 6 | 160 contacts → | ||||
Exact match “CybelAngel combines artificial intelligence and human expertise to help companies in all industries to detect, analyze and effectively counter cyber threats.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 7 | 154 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 8 | 151 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 9 | 138 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 10 | 134 contacts → | ||||
Exact match “Sekoia is the European agentic cybersecurity company building the Cyber Operations Platform for the AI era.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 11 | 126 contacts → | ||||
Exact match “Since January 2007, ITrust has been offering cybersecurity solutions and expertise in 6 different countries on the European market.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 12 | 120 contacts → | ||||
Exact match “Your endpoints, our protection - Empower your analysts, overcome the threats” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 13 | 95 contacts → | ||||
Exact match “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.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 14 | 94 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 15 | 75 contacts → | ||||
Exact match “Magellan Sécurité, an entity of the Magellan Partners Group, offers integrated solutions to protect against internal threats and cyber attacks.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 16 | 75 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 17 | 72 contacts → | ||||
Exact match “Depuis plus de 30 ans, nous sommes là pour veiller à la protection du progrès et de l'innovation.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 18 | 53 contacts → | ||||
Exact match “Toute l’expertise cyber, une seule marque : AMOSSYS devient ALMOND.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 19 | 42 contacts → | ||||
Exact match “Les entreprises qui domineront leur marché dans les dix prochaines années auront toutes un point commun : un système d'information devenu un avantage stratégique.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 20 | 39 contacts → | ||||
Exact match “Kaspersky est une société internationale de cybersécurité et de protection de la vie privée numérique fondée en 1997.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 21 | 37 contacts → | ||||
Exact match “To be confident in your cyber defences, every person and technology must be confronted by reality.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 22 | 36 contacts → | ||||
Exact match “CrowdSec is a leader in security blocklists, reshaping cybersecurity with its proactive defense strategy and unique collaborative approach.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 23 | 35 contacts → | ||||
Exact match “KYTL | Spécialiste de la protection des données et des environnements critiques; Fondée par des experts en cybersécurité cumulant plus de 15 ans d’expérience, KYTL accompagne les…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 24 | 33 contacts → | ||||
Exact match “Notre positionnement Fondé en 2018, EXCUBE, cabinet-conseil spécialisé en Cybersécurité, délivre ses prestations en s’appuyant sur la connaissance du métier de ses clients…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 25 | 33 contacts → | ||||
Exact match “Expertise en cybersécurité - Abakus Sécurité vous accompagne sur l'ensemble du cycle de vie de vos projets en cybersécurité.” Recorded in the RevenueBase company graph · Sep 21, 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 “big cybersecurity 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 289 big cybersecurity companies based in France
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Big cybersecurity companies based in France at a glance
As of Sep 21, 2026Companies by employee count
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 289 companies.
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.
- What qualifies
- Company records associated with France whose business descriptions match “big cybersecurity 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 4,135 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 21, 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.
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 “big cybersecurity companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many big cybersecurity companies are there based in France?
RevenueBase identified 289 company matches for big cybersecurity companies associated with France 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?
Orange Cyberdefense tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most big cybersecurity companies?
Paris leads with 97 company records, followed by Lyon (9) and Toulouse (7).
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 4,135 professional contacts with verified work emails tracked across these 289 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 21, 2026.
Ready to reach these companies? Verified emails and direct dials for all 289 big cybersecurity companies based in France. Start with a free account, no credit card.
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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.
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Company intelligence · public preview
Top 25 big cybersecurity companies based in France
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 289 matching company records for big cybersecurity companies based in France, with 9,467 tracked contacts and 4,135 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 21, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 big cybersecurity companies based in France
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Orange Cyberdefenseorangecyberdefense.comHQ: Nanterre, FranceReported employees: 1,001-5,000 | Nanterre, France | 1,001-5,000 | Exact match | 3,673 contacts → |
“Orange Cyberdefense is the expert cybersecurity business unit of the Orange Group.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  own.securityown.securityHQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 506 contacts → |
“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.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Neverhackneverhack.comHQ: Paris, FranceReported employees: 1,001-5,000 | Paris, France | 1,001-5,000 | Exact match | 382 contacts → |
“NEVERHACK is a French group specialized in cybersecurity for over 40 years.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Airbus Defence And Space Cybercyber.airbus.comHQ: Elancourt, FranceReported employees: 501-1,000 | Elancourt, France | 501-1,000 | Exact match | 225 contacts → |
“The Cyber business of Airbus Defence and Space is a European specialist in cyber security for defence and aerospace systems and assets.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Tehtristehtris.comHQ: Pessac, FranceReported employees: 201-500 | Pessac, France | 201-500 | Exact match | 185 contacts → |
“TEHTRIS is the software editor of the TEHTRIS XDR Platform, the world leader in automatic, real-time, non-human neutralization of cyber attacks.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Cybelangelcybelangel.comHQ: Clichy, FranceReported employees: 51-200 | Clichy, France | 51-200 | Exact match | 160 contacts → |
“CybelAngel combines artificial intelligence and human expertise to help companies in all industries to detect, analyze and effectively counter cyber threats.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Secure-Icsecure-ic.comHQ: Cesson-sevigne, FranceReported employees: 51-200 | Cesson-sevigne, France | 51-200 | Exact match | 154 contacts → |
“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…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  S3nss3ns.ioHQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 151 contacts → |
“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…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Gatewatchergatewatcher.comHQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 138 contacts → |
“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…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Sekoiasekoia.comHQ: Rennes, FranceReported employees: 51-200 | Rennes, France | 51-200 | Exact match | 134 contacts → |
“Sekoia is the European agentic cybersecurity company building the Cyber Operations Platform for the AI era.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Itrustitrust.frHQ: Toulouse, FranceReported employees: 51-200 | Toulouse, France | 51-200 | Exact match | 126 contacts → |
“Since January 2007, ITrust has been offering cybersecurity solutions and expertise in 6 different countries on the European market.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Harfanglabharfanglab.ioHQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 120 contacts → |
“Your endpoints, our protection - Empower your analysts, overcome the threats” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Quarkslabquarkslab.comHQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 95 contacts → |
“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.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Exclusive Networks Franceexclusive-networks.comHQ: Boulogne Billancourt, FranceReported employees: 51-200 | Boulogne Billancourt, France | 51-200 | Exact match | 94 contacts → |
“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…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Magellan Sécuritémagellan-securite.euHQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 75 contacts → |
“Magellan Sécurité, an entity of the Magellan Partners Group, offers integrated solutions to protect against internal threats and cyber attacks.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  CS In Cybersecuritycs-soprasteria.comHQ: Le Plessis-robinson, FranceReported employees: 51-200 | Le Plessis-robinson, France | 51-200 | Exact match | 75 contacts → |
“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…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Eset Franceeset.comHQ: Marne-la-vallée, FranceReported employees: 51-200 | Marne-la-vallée, France | 51-200 | Exact match | 72 contacts → |
“Depuis plus de 30 ans, nous sommes là pour veiller à la protection du progrès et de l'innovation.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Amossys Groupe Almondalmond.euHQ: Rennes, FranceReported employees: 201-500 | Rennes, France | 201-500 | Exact match | 53 contacts → |
“Toute l’expertise cyber, une seule marque : AMOSSYS devient ALMOND.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Adenisadenis.frHQ: Bagnolet, FranceReported employees: 51-200 | Bagnolet, France | 51-200 | Exact match | 42 contacts → |
“Les entreprises qui domineront leur marché dans les dix prochaines années auront toutes un point commun : un système d'information devenu un avantage stratégique.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Kaspersky France And North, West & Central Africakaspersky.comHQ: La Defense Cedex, FranceReported employees: 1,001-5,000 | La Defense Cedex, France | 1,001-5,000 | Exact match | 39 contacts → |
“Kaspersky est une société internationale de cybersécurité et de protection de la vie privée numérique fondée en 1997.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  ERIUMerium.frHQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 37 contacts → |
“To be confident in your cyber defences, every person and technology must be confronted by reality.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Crowdseccrowdsec.netHQ: Paris, FranceReported employees: 11-50 | Paris, France | 11-50 | Exact match | 36 contacts → |
“CrowdSec is a leader in security blocklists, reshaping cybersecurity with its proactive defense strategy and unique collaborative approach.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Kytl Securitykytl.frHQ: Paris, FranceReported employees: 11-50 | Paris, France | 11-50 | Exact match | 35 contacts → |
“KYTL | Spécialiste de la protection des données et des environnements critiques; Fondée par des experts en cybersécurité cumulant plus de 15 ans d’expérience, KYTL accompagne les…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Excubeexcube.frHQ: Lyon, FranceReported employees: 11-50 | Lyon, France | 11-50 | Exact match | 33 contacts → |
“Notre positionnement Fondé en 2018, EXCUBE, cabinet-conseil spécialisé en Cybersécurité, délivre ses prestations en s’appuyant sur la connaissance du métier de ses clients…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Abakus Sécuritéabakus-securite.fr HQ: Paris, FranceReported employees: 11-50 | Paris, France | 11-50 | Exact match | 33 contacts → |
“Expertise en cybersécurité - Abakus Sécurité vous accompagne sur l'ensemble du cycle de vie de vos projets en cybersécurité.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 289 company matches
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Big cybersecurity companies: dataset insights
September 21, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
289 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 289 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 21, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for big cybersecurity companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many big cybersecurity companies did RevenueBase find based in France?
The saved snapshot records 289 matching company records, 9,467 tracked contacts and 4,135 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 21, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Browse the directory
Cite this list
RevenueBase Data Team. Top 25 big cybersecurity companies based in France. Snapshot: September 21, 2026. https://revenuebase.ai/companies/big-cybersecurity-companies/france.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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Company intelligence · public preview
Top 25 big cybersecurity companies based in France
RevenueBase records 289 matching company records for big cybersecurity companies based in France, with 9,467 tracked contacts and 4,135 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 21, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 big cybersecurity companies based in France
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Orange Cyberdefenseorangecyberdefense.com HQ: Nanterre, FranceReported employees: 1,001-5,000 | Nanterre, France | 1,001-5,000 | Exact match | 3,673 contacts → |
“Orange Cyberdefense is the expert cybersecurity business unit of the Orange Group.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | own.securityown.security HQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 506 contacts → |
“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.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Neverhackneverhack.com HQ: Paris, FranceReported employees: 1,001-5,000 | Paris, France | 1,001-5,000 | Exact match | 382 contacts → |
“NEVERHACK is a French group specialized in cybersecurity for over 40 years.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Airbus Defence And Space Cybercyber.airbus.com HQ: Elancourt, FranceReported employees: 501-1,000 | Elancourt, France | 501-1,000 | Exact match | 225 contacts → |
“The Cyber business of Airbus Defence and Space is a European specialist in cyber security for defence and aerospace systems and assets.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Tehtristehtris.com HQ: Pessac, FranceReported employees: 201-500 | Pessac, France | 201-500 | Exact match | 185 contacts → |
“TEHTRIS is the software editor of the TEHTRIS XDR Platform, the world leader in automatic, real-time, non-human neutralization of cyber attacks.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Cybelangelcybelangel.com HQ: Clichy, FranceReported employees: 51-200 | Clichy, France | 51-200 | Exact match | 160 contacts → |
“CybelAngel combines artificial intelligence and human expertise to help companies in all industries to detect, analyze and effectively counter cyber threats.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Secure-Icsecure-ic.com HQ: Cesson-sevigne, FranceReported employees: 51-200 | Cesson-sevigne, France | 51-200 | Exact match | 154 contacts → |
“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…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | S3nss3ns.io HQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 151 contacts → |
“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…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Gatewatchergatewatcher.com HQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 138 contacts → |
“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…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Sekoiasekoia.com HQ: Rennes, FranceReported employees: 51-200 | Rennes, France | 51-200 | Exact match | 134 contacts → |
“Sekoia is the European agentic cybersecurity company building the Cyber Operations Platform for the AI era.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Itrustitrust.fr HQ: Toulouse, FranceReported employees: 51-200 | Toulouse, France | 51-200 | Exact match | 126 contacts → |
“Since January 2007, ITrust has been offering cybersecurity solutions and expertise in 6 different countries on the European market.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Harfanglabharfanglab.io HQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 120 contacts → |
“Your endpoints, our protection - Empower your analysts, overcome the threats” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Quarkslabquarkslab.com HQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 95 contacts → |
“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.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Exclusive Networks Franceexclusive-networks.com HQ: Boulogne Billancourt, FranceReported employees: 51-200 | Boulogne Billancourt, France | 51-200 | Exact match | 94 contacts → |
“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…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Magellan Sécuritémagellan-securite.eu HQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 75 contacts → |
“Magellan Sécurité, an entity of the Magellan Partners Group, offers integrated solutions to protect against internal threats and cyber attacks.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | CS In Cybersecuritycs-soprasteria.com HQ: Le Plessis-robinson, FranceReported employees: 51-200 | Le Plessis-robinson, France | 51-200 | Exact match | 75 contacts → |
“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…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Eset Franceeset.com HQ: Marne-la-vallée, FranceReported employees: 51-200 | Marne-la-vallée, France | 51-200 | Exact match | 72 contacts → |
“Depuis plus de 30 ans, nous sommes là pour veiller à la protection du progrès et de l'innovation.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Amossys Groupe Almondalmond.eu HQ: Rennes, FranceReported employees: 201-500 | Rennes, France | 201-500 | Exact match | 53 contacts → |
“Toute l’expertise cyber, une seule marque : AMOSSYS devient ALMOND.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Adenisadenis.fr HQ: Bagnolet, FranceReported employees: 51-200 | Bagnolet, France | 51-200 | Exact match | 42 contacts → |
“Les entreprises qui domineront leur marché dans les dix prochaines années auront toutes un point commun : un système d'information devenu un avantage stratégique.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Kaspersky France And North, West & Central Africakaspersky.com HQ: La Defense Cedex, FranceReported employees: 1,001-5,000 | La Defense Cedex, France | 1,001-5,000 | Exact match | 39 contacts → |
“Kaspersky est une société internationale de cybersécurité et de protection de la vie privée numérique fondée en 1997.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | ERIUMerium.fr HQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 37 contacts → |
“To be confident in your cyber defences, every person and technology must be confronted by reality.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Crowdseccrowdsec.net HQ: Paris, FranceReported employees: 11-50 | Paris, France | 11-50 | Exact match | 36 contacts → |
“CrowdSec is a leader in security blocklists, reshaping cybersecurity with its proactive defense strategy and unique collaborative approach.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Kytl Securitykytl.fr HQ: Paris, FranceReported employees: 11-50 | Paris, France | 11-50 | Exact match | 35 contacts → |
“KYTL | Spécialiste de la protection des données et des environnements critiques; Fondée par des experts en cybersécurité cumulant plus de 15 ans d’expérience, KYTL accompagne les…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Excubeexcube.fr HQ: Lyon, FranceReported employees: 11-50 | Lyon, France | 11-50 | Exact match | 33 contacts → |
“Notre positionnement Fondé en 2018, EXCUBE, cabinet-conseil spécialisé en Cybersécurité, délivre ses prestations en s’appuyant sur la connaissance du métier de ses clients…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Abakus Sécuritéabakus-securite.fr HQ: Paris, FranceReported employees: 11-50 | Paris, France | 11-50 | Exact match | 33 contacts → |
“Expertise en cybersécurité - Abakus Sécurité vous accompagne sur l'ensemble du cycle de vie de vos projets en cybersécurité.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 289 company matches
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Big cybersecurity companies: dataset insights
September 21, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
289 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 289 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 21, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for big cybersecurity companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many big cybersecurity companies did RevenueBase find based in France?
The saved snapshot records 289 matching company records, 9,467 tracked contacts and 4,135 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 21, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
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Cite this list
RevenueBase Data Team. Top 25 big cybersecurity companies based in France. Snapshot: September 21, 2026. https://revenuebase.ai/companies/big-cybersecurity-companies/france.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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