Company lists · Data refreshed September 2026
Top 25 Cybersecurity and defense software companies based in France
RevenueBase identified 223 company matches for cybersecurity and defense software companies associated with France as of September 2026 and tracks 54,782 professional contacts across them, including 21,277 with verified work emails and 2,247 with mobile numbers. Paris is the largest hub.
This list covers company matches for cybersecurity and defense software 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 1, 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 cybersecurity and defense software companies based in France
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 51,367 contacts → | ||||
Exact match “Thales (Euronext Paris: HO) is a global leader in advanced technologies for the Defence, Aerospace, and Cyber & Digital sectors.” Recorded in the RevenueBase company graph · Sep 1, 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 1, 2026 · View company records in RevenueBase | |||||
| 3 | 223 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 1, 2026 · View company records in RevenueBase | |||||
| 4 | 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 1, 2026 · View company records in RevenueBase | |||||
| 5 | 94 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 1, 2026 · View company records in RevenueBase | |||||
| 6 | 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 1, 2026 · View company records in RevenueBase | |||||
| 7 | 71 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 1, 2026 · View company records in RevenueBase | |||||
| 8 | 57 contacts → | ||||
Exact match “Toute l’expertise cyber, une seule marque : AMOSSYS devient ALMOND.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 9 | 55 contacts → | ||||
Exact match “Depuis 2005, OMNITECH SECURYTY propose son expertise dans la sûreté et la Cyber-sécurité sur toute la France.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 10 | 53 contacts → | ||||
Exact match “SEALSQ develops sovereign semiconductor security technologies designed to protect connected devices, communications, and digital infrastructure in the AI and quantum era.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 11 | 53 contacts → | ||||
Exact match “À propos de SYSDREAM : Fondée il y a plus de 20 ans, Sysdream, filiale Cybersécurité du Groupe Hub One, propose aux comptes publics et privés une offre globale de solutions…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 12 | 43 contacts → | ||||
Exact match “Founded in 2015, Vistory is a software editor specialized in cybersecurity and digital trust.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 13 | 39 contacts → | ||||
Exact match “CYSEC is a European cybersecurity company based in Luxembourg with additional locations in Switzerland and France.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 14 | 38 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 1, 2026 · View company records in RevenueBase | |||||
| 15 | 34 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 1, 2026 · View company records in RevenueBase | |||||
| 16 | 33 contacts → | ||||
Exact match “Bsecure est un cabinet d'expertise en cybersécurité 100% français, fondé en 2009, et détenu en fonds propres par ses dirigeants.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 17 | 31 contacts → | ||||
Exact match “Cybersecurity company founded by security experts providing the following services: Security audits, Vulnerability research, SecOps, SecArch and Trainings” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 18 | 26 contacts → | ||||
Exact match “Five Nines est née en 2019 d’un constat simple, celui d’un manque crucial de compétences et d’expérience dans la sécurisation de la transformation digitale des entreprises.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 19 | 24 contacts → | ||||
Exact match “Plus de 100 millions d’utilisateurs dans 150 pays ont retenu Sophos comme la meilleure défense du marché contre les menaces complexes et les risques de pertes de données.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 20 | 22 contacts → | ||||
Exact match “As France's leading provider of cyber protection for critical systems, Seclab secures exchanges by simplifying interconnection architectures and eliminating the risks associated…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 21 | 22 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 22 | 21 contacts → | ||||
Exact match “SYLink Technologie is an innovative player in the field of cybersecurity, dedicated to protecting networks, connected devices, and sensitive company data.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 23 | 16 contacts → | ||||
Exact match “ÉHO.LINK est une équipe de 25 personnes ancrée à Marseille.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 24 | 16 contacts → | ||||
Exact match “Founded in 2002, on the French MoD needs, DIATEAM is a R&D company specializing in computer security.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 25 | 15 contacts → | ||||
Exact match “Nous veillons sur la sécurité de votre Système d’Information.” Recorded in the RevenueBase company graph · Sep 1, 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 and defense software 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 223 cybersecurity and defense software companies based in France
See the full list, filter by size, metro and specialty, and access 21,277 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Cybersecurity and defense software companies based in France at a glance
As of Sep 1, 2026Companies by employee count
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 “cybersecurity and defense software 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 21,277 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 1, 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 and defense software companies by metro
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 and defense software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many cybersecurity and defense software companies are there based in France?
RevenueBase identified 223 company matches for cybersecurity and defense software 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?
Thales tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most cybersecurity and defense software companies?
Paris leads with 58 company records, followed by Lyon (12) 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 21,277 professional contacts with verified work emails tracked across these 223 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 1, 2026.
Ready to reach these companies? Verified emails and direct dials for all 223 cybersecurity and defense software companies based in France. Start with a free account, no credit card.
Download this list →Related lists
Cybersecurity and defense software companies by geography
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- Cybersecurity and defense software companies based in Germany
- Cybersecurity and defense software companies based in Spain
- Cybersecurity and defense software companies based in Israel
- Cybersecurity and defense software companies based in Italy
- Cybersecurity and defense software companies based in Mexico
- Cybersecurity and defense software companies based in the Netherlands
- Cybersecurity and defense software companies based in South Africa
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Cybersecurity and defense software companies based in the United States
- Cybersecurity and defense software companies based in the United Kingdom
- Cybersecurity and defense software companies based in Brazil
- Cybersecurity and defense software companies based in Canada
- Cybersecurity and defense software companies based in Australia
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Company intelligence · public preview
Top 25 cybersecurity and defense software 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 223 matching company records for cybersecurity and defense software companies based in France, with 54,782 tracked contacts and 21,277 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 1, 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 cybersecurity and defense software 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 |  Thalesthalesgroup.comHQ: HQ not recorded; location: Meudon, FranceReported employees: 10001+ | HQ not recorded; location: Meudon, France | 10001+ | Exact match | 51,367 contacts → |
“Thales (Euronext Paris: HO) is a global leader in advanced technologies for the Defence, Aerospace, and Cyber & Digital sectors.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  own.securityown.securityHQ: HQ not recorded; location: Rennes, FranceReported employees: 51-200 | HQ not recorded; location: Rennes, 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 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Airbus Defence And Space Cybercyber.airbus.comHQ: HQ not recorded; location: Elancourt, FranceReported employees: 501-1,000 | HQ not recorded; location: Elancourt, France | 501-1,000 | Exact match | 223 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 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Itrustitrust.frHQ: HQ not recorded; location: Toulouse, FranceReported employees: 51-200 | HQ not recorded; location: 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 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Quarkslabquarkslab.comHQ: HQ not recorded; location: Paris, FranceReported employees: 51-200 | HQ not recorded; location: Paris, France | 51-200 | Exact match | 94 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 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  CS In Cybersecuritycs-soprasteria.comHQ: HQ not recorded; location: Le Plessis-Robinson, FranceReported employees: 51-200 | HQ not recorded; location: 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 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Eset Franceeset.comHQ: HQ not recorded; location: Marne-La-Vallee, FranceReported employees: 51-200 | HQ not recorded; location: Marne-La-Vallee, France | 51-200 | Exact match | 71 contacts → |
“Depuis plus de 30 ans, nous sommes là pour veiller à la protection du progrès et de l'innovation.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Amossys Groupe Almondalmond.euHQ: HQ not recorded; location: Rennes, FranceReported employees: 201-500 | HQ not recorded; location: Rennes, France | 201-500 | Exact match | 57 contacts → |
“Toute l’expertise cyber, une seule marque : AMOSSYS devient ALMOND.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Omnitech Securityomnitech-security.frHQ: HQ not recorded; location: FranceReported employees: 51-200 | HQ not recorded; location: France | 51-200 | Exact match | 55 contacts → |
“Depuis 2005, OMNITECH SECURYTY propose son expertise dans la sûreté et la Cyber-sécurité sur toute la France.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Sealsqsealsq.comHQ: HQ not recorded; location: Meyreuil, FranceReported employees: 51-200 | HQ not recorded; location: Meyreuil, France | 51-200 | Exact match | 53 contacts → |
“SEALSQ develops sovereign semiconductor security technologies designed to protect connected devices, communications, and digital infrastructure in the AI and quantum era.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Sysdreamsysdream.comHQ: HQ not recorded; location: Levallois-Perret, FranceReported employees: 51-200 | HQ not recorded; location: Levallois-Perret, France | 51-200 | Exact match | 53 contacts → |
“À propos de SYSDREAM : Fondée il y a plus de 20 ans, Sysdream, filiale Cybersécurité du Groupe Hub One, propose aux comptes publics et privés une offre globale de solutions…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Vistoryvistory.comHQ: HQ not recorded; location: Velizy-Villacoublay, FranceReported employees: 11-50 | HQ not recorded; location: Velizy-Villacoublay, France | 11-50 | Exact match | 43 contacts → |
“Founded in 2015, Vistory is a software editor specialized in cybersecurity and digital trust.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  CYSECcysec.comHQ: HQ not recorded; location: Toulouse, FranceReported employees: 11-50 | HQ not recorded; location: Toulouse, France | 11-50 | Exact match | 39 contacts → |
“CYSEC is a European cybersecurity company based in Luxembourg with additional locations in Switzerland and France.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  ERIUMerium.frHQ: HQ not recorded; location: FranceReported employees: 51-200 | HQ not recorded; location: France | 51-200 | Exact match | 38 contacts → |
“To be confident in your cyber defences, every person and technology must be confronted by reality.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Kytl Securitykytl.frHQ: HQ not recorded; location: Paris, FranceReported employees: 11-50 | HQ not recorded; location: Paris, France | 11-50 | Exact match | 34 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 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Bsecurebsecure.frHQ: HQ not recorded; location: Paris, FranceReported employees: 51-200 | HQ not recorded; location: Paris, France | 51-200 | Exact match | 33 contacts → |
“Bsecure est un cabinet d'expertise en cybersécurité 100% français, fondé en 2009, et détenu en fonds propres par ses dirigeants.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Randorisecrandorisec.frHQ: HQ not recorded; location: Paris, FranceReported employees: 11-50 | HQ not recorded; location: Paris, France | 11-50 | Exact match | 31 contacts → |
“Cybersecurity company founded by security experts providing the following services: Security audits, Vulnerability research, SecOps, SecArch and Trainings” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Five Ninesfive9s.frHQ: HQ not recorded; location: Paris, FranceReported employees: 11-50 | HQ not recorded; location: Paris, France | 11-50 | Exact match | 26 contacts → |
“Five Nines est née en 2019 d’un constat simple, celui d’un manque crucial de compétences et d’expérience dans la sécurisation de la transformation digitale des entreprises.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Sophos Francenews.sophos.com HQ: HQ not recorded; location: Bezons, FranceReported employees: 51-200 | HQ not recorded; location: Bezons, France | 51-200 | Exact match | 24 contacts → |
“Plus de 100 millions d’utilisateurs dans 150 pays ont retenu Sophos comme la meilleure défense du marché contre les menaces complexes et les risques de pertes de données.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Seclabseclab-security.comHQ: HQ not recorded; location: Perols, FranceReported employees: 11-50 | HQ not recorded; location: Perols, France | 11-50 | Exact match | 22 contacts → |
“As France's leading provider of cyber protection for critical systems, Seclab secures exchanges by simplifying interconnection architectures and eliminating the risks associated…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Kyron Solutions Informatiqueskyron.frHQ: HQ not recorded; location: Toulouse, FranceReported employees: 11-50 | HQ not recorded; location: Toulouse, France | 11-50 | Exact match | 22 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 |  Sylink Technologiesylink.frHQ: HQ not recorded; location: Saint-Jacques-De-La-Lande, FranceReported employees: 201-500 | HQ not recorded; location: Saint-Jacques-De-La-Lande, France | 201-500 | Exact match | 21 contacts → |
“SYLink Technologie is an innovative player in the field of cybersecurity, dedicated to protecting networks, connected devices, and sensitive company data.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Ého.Linkeho.linkHQ: HQ not recorded; location: FranceReported employees: 11-50 | HQ not recorded; location: France | 11-50 | Exact match | 16 contacts → |
“ÉHO.LINK est une équipe de 25 personnes ancrée à Marseille.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Diateamdiateam.netHQ: HQ not recorded; location: Brest, FranceReported employees: 11-50 | HQ not recorded; location: Brest, France | 11-50 | Exact match | 16 contacts → |
“Founded in 2002, on the French MoD needs, DIATEAM is a R&D company specializing in computer security.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  u.neatuneat.frHQ: HQ not recorded; location: FranceReported employees: 11-50 | HQ not recorded; location: France | 11-50 | Exact match | 15 contacts → |
“Nous veillons sur la sécurité de votre Système d’Information.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 223 company matches
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Cybersecurity and defense software companies: dataset insights
September 1, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
223 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.
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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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 1, 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 ↗
Cybersecurity and defense software companies by metro
Questions about this company list
What does Exact match mean for cybersecurity and defense software 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 cybersecurity and defense software companies did RevenueBase find based in France?
The saved snapshot records 223 matching company records, 54,782 tracked contacts and 21,277 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 1, 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.
Related lists
Cybersecurity and defense software companies by geography
- Cybersecurity and defense software companies based in the United States
- Cybersecurity and defense software companies based in the United Kingdom
- Cybersecurity and defense software companies based in Brazil
- Cybersecurity and defense software companies based in Canada
- Cybersecurity and defense software companies based in Australia
- Cybersecurity and defense software companies based in Germany
- Cybersecurity and defense software companies based in Spain
- Cybersecurity and defense software companies based in Israel
- Cybersecurity and defense software companies based in Italy
- Cybersecurity and defense software companies based in Mexico
- Cybersecurity and defense software companies based in the Netherlands
- Cybersecurity and defense software companies based in South Africa
Cite this list
RevenueBase Data Team. Top 25 cybersecurity and defense software companies based in France. Snapshot: September 1, 2026. https://revenuebase.ai/companies/cybersecurity-and-defense-software-companies/france.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
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- New lists
- Cybersecurity and defense software companies based in the United States
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Company intelligence · public preview
Top 25 cybersecurity and defense software companies based in France
RevenueBase records 223 matching company records for cybersecurity and defense software companies based in France, with 54,782 tracked contacts and 21,277 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 1, 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 cybersecurity and defense software 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 | Thalesthalesgroup.com HQ: HQ not recorded; location: Meudon, FranceReported employees: 10001+ | HQ not recorded; location: Meudon, France | 10001+ | Exact match | 51,367 contacts → |
“Thales (Euronext Paris: HO) is a global leader in advanced technologies for the Defence, Aerospace, and Cyber & Digital sectors.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | own.securityown.security HQ: HQ not recorded; location: Rennes, FranceReported employees: 51-200 | HQ not recorded; location: Rennes, 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 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Airbus Defence And Space Cybercyber.airbus.com HQ: HQ not recorded; location: Elancourt, FranceReported employees: 501-1,000 | HQ not recorded; location: Elancourt, France | 501-1,000 | Exact match | 223 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 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Itrustitrust.fr HQ: HQ not recorded; location: Toulouse, FranceReported employees: 51-200 | HQ not recorded; location: 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 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Quarkslabquarkslab.com HQ: HQ not recorded; location: Paris, FranceReported employees: 51-200 | HQ not recorded; location: Paris, France | 51-200 | Exact match | 94 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 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | CS In Cybersecuritycs-soprasteria.com HQ: HQ not recorded; location: Le Plessis-Robinson, FranceReported employees: 51-200 | HQ not recorded; location: 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 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Eset Franceeset.com HQ: HQ not recorded; location: Marne-La-Vallee, FranceReported employees: 51-200 | HQ not recorded; location: Marne-La-Vallee, France | 51-200 | Exact match | 71 contacts → |
“Depuis plus de 30 ans, nous sommes là pour veiller à la protection du progrès et de l'innovation.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Amossys Groupe Almondalmond.eu HQ: HQ not recorded; location: Rennes, FranceReported employees: 201-500 | HQ not recorded; location: Rennes, France | 201-500 | Exact match | 57 contacts → |
“Toute l’expertise cyber, une seule marque : AMOSSYS devient ALMOND.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Omnitech Securityomnitech-security.fr HQ: HQ not recorded; location: FranceReported employees: 51-200 | HQ not recorded; location: France | 51-200 | Exact match | 55 contacts → |
“Depuis 2005, OMNITECH SECURYTY propose son expertise dans la sûreté et la Cyber-sécurité sur toute la France.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Sealsqsealsq.com HQ: HQ not recorded; location: Meyreuil, FranceReported employees: 51-200 | HQ not recorded; location: Meyreuil, France | 51-200 | Exact match | 53 contacts → |
“SEALSQ develops sovereign semiconductor security technologies designed to protect connected devices, communications, and digital infrastructure in the AI and quantum era.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Sysdreamsysdream.com HQ: HQ not recorded; location: Levallois-Perret, FranceReported employees: 51-200 | HQ not recorded; location: Levallois-Perret, France | 51-200 | Exact match | 53 contacts → |
“À propos de SYSDREAM : Fondée il y a plus de 20 ans, Sysdream, filiale Cybersécurité du Groupe Hub One, propose aux comptes publics et privés une offre globale de solutions…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Vistoryvistory.com HQ: HQ not recorded; location: Velizy-Villacoublay, FranceReported employees: 11-50 | HQ not recorded; location: Velizy-Villacoublay, France | 11-50 | Exact match | 43 contacts → |
“Founded in 2015, Vistory is a software editor specialized in cybersecurity and digital trust.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | CYSECcysec.com HQ: HQ not recorded; location: Toulouse, FranceReported employees: 11-50 | HQ not recorded; location: Toulouse, France | 11-50 | Exact match | 39 contacts → |
“CYSEC is a European cybersecurity company based in Luxembourg with additional locations in Switzerland and France.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | ERIUMerium.fr HQ: HQ not recorded; location: FranceReported employees: 51-200 | HQ not recorded; location: France | 51-200 | Exact match | 38 contacts → |
“To be confident in your cyber defences, every person and technology must be confronted by reality.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Kytl Securitykytl.fr HQ: HQ not recorded; location: Paris, FranceReported employees: 11-50 | HQ not recorded; location: Paris, France | 11-50 | Exact match | 34 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 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Bsecurebsecure.fr HQ: HQ not recorded; location: Paris, FranceReported employees: 51-200 | HQ not recorded; location: Paris, France | 51-200 | Exact match | 33 contacts → |
“Bsecure est un cabinet d'expertise en cybersécurité 100% français, fondé en 2009, et détenu en fonds propres par ses dirigeants.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Randorisecrandorisec.fr HQ: HQ not recorded; location: Paris, FranceReported employees: 11-50 | HQ not recorded; location: Paris, France | 11-50 | Exact match | 31 contacts → |
“Cybersecurity company founded by security experts providing the following services: Security audits, Vulnerability research, SecOps, SecArch and Trainings” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Five Ninesfive9s.fr HQ: HQ not recorded; location: Paris, FranceReported employees: 11-50 | HQ not recorded; location: Paris, France | 11-50 | Exact match | 26 contacts → |
“Five Nines est née en 2019 d’un constat simple, celui d’un manque crucial de compétences et d’expérience dans la sécurisation de la transformation digitale des entreprises.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Sophos Francenews.sophos.com HQ: HQ not recorded; location: Bezons, FranceReported employees: 51-200 | HQ not recorded; location: Bezons, France | 51-200 | Exact match | 24 contacts → |
“Plus de 100 millions d’utilisateurs dans 150 pays ont retenu Sophos comme la meilleure défense du marché contre les menaces complexes et les risques de pertes de données.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Seclabseclab-security.com HQ: HQ not recorded; location: Perols, FranceReported employees: 11-50 | HQ not recorded; location: Perols, France | 11-50 | Exact match | 22 contacts → |
“As France's leading provider of cyber protection for critical systems, Seclab secures exchanges by simplifying interconnection architectures and eliminating the risks associated…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Kyron Solutions Informatiqueskyron.fr HQ: HQ not recorded; location: Toulouse, FranceReported employees: 11-50 | HQ not recorded; location: Toulouse, France | 11-50 | Exact match | 22 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | Sylink Technologiesylink.fr HQ: HQ not recorded; location: Saint-Jacques-De-La-Lande, FranceReported employees: 201-500 | HQ not recorded; location: Saint-Jacques-De-La-Lande, France | 201-500 | Exact match | 21 contacts → |
“SYLink Technologie is an innovative player in the field of cybersecurity, dedicated to protecting networks, connected devices, and sensitive company data.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Ého.Linkeho.link HQ: HQ not recorded; location: FranceReported employees: 11-50 | HQ not recorded; location: France | 11-50 | Exact match | 16 contacts → |
“ÉHO.LINK est une équipe de 25 personnes ancrée à Marseille.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Diateamdiateam.net HQ: HQ not recorded; location: Brest, FranceReported employees: 11-50 | HQ not recorded; location: Brest, France | 11-50 | Exact match | 16 contacts → |
“Founded in 2002, on the French MoD needs, DIATEAM is a R&D company specializing in computer security.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | u.neatuneat.fr HQ: HQ not recorded; location: FranceReported employees: 11-50 | HQ not recorded; location: France | 11-50 | Exact match | 15 contacts → |
“Nous veillons sur la sécurité de votre Système d’Information.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 223 company matches
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Cybersecurity and defense software companies: dataset insights
September 1, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
223 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.
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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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 1, 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 ↗
Cybersecurity and defense software companies by metro
Questions about this company list
What does Exact match mean for cybersecurity and defense software 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 cybersecurity and defense software companies did RevenueBase find based in France?
The saved snapshot records 223 matching company records, 54,782 tracked contacts and 21,277 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 1, 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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Cite this list
RevenueBase Data Team. Top 25 cybersecurity and defense software companies based in France. Snapshot: September 1, 2026. https://revenuebase.ai/companies/cybersecurity-and-defense-software-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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