Company lists · Data refreshed November 2026

Top 24 Cybersecurity development companies based in France

Name: Cybersecurity development companies based in France
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 5, 2026 1,009 companies tracked

RevenueBase identified 1,009 company matches for cybersecurity development companies associated with France as of November 2026 and tracks 15,984 professional contacts across them, including 4,876 with verified work emails. Paris is the largest hub.

This list covers company matches for cybersecurity development 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 November 5, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 5, 2026 How this list was built

1,009Companies

15,984Contacts tracked

4,876Verified emails

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The 24 largest cybersecurity development companies based in France

Ranked by team size

Top 24 of 1,009 company matches for cybersecurity development companies based in France, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	SCC France	Exact match	Nanterre, FranceHQ recorded Nov 5, 2026	1,001-5,000	1,414 contacts →
	Exact match “SCC France unleashes the potential of IT for global businesses, as one of Europe’s largest independent IT groups.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2	I-Tracing	Exact match	Courbevoie, FranceHQ recorded Nov 5, 2026	1,001-5,000	687 contacts →
	Exact match “I-TRACING, pure player and cybersecurity service provider leader in France, supports over 600 clients around the world in managing their cyber risks, from anticipating threats to…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3	own.security	Exact match	Paris, FranceHQ recorded Nov 5, 2026	51-200	558 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 · Nov 5, 2026 · View company records in RevenueBase
4	Metsys	Exact match	Boulogne-billancourt, FranceHQ recorded Nov 5, 2026	501-1,000	406 contacts →
	Exact match “Metsys est un intégrateur de solutions de cybersécurité, d’infrastructure et de cloud.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5	Devoteam Cyber Trust	Exact match	Levallois-perret, FranceHQ recorded Nov 5, 2026	10001+	343 contacts →
	Exact match “Devoteam Cyber Trust is the cybersecurity specialist arm of the Devoteam Group.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6	Formind	Exact match	Issy-les-moulineaux, FranceHQ recorded Nov 5, 2026	201-500	254 contacts →
	Exact match “Formind est un leader français indépendant, expert en cybersécurité.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7	Stanley Security France	Exact match	Ivry-sur-seine, FranceHQ recorded Nov 5, 2026	1,001-5,000	197 contacts →
	Exact match “STANLEY Security est devenu Securitas Technology en 2022.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8	Synacktiv	Exact match	Paris, FranceHQ recorded Nov 5, 2026	201-500	185 contacts →
	Exact match “Synacktiv is an offensive security company founded in 2012 by several security experts.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9	Cybelangel	Exact match	Clichy, FranceHQ recorded Nov 5, 2026	51-200	168 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 · Nov 5, 2026 · View company records in RevenueBase
10	Tehtris	Exact match	Pessac, FranceHQ recorded Nov 5, 2026	201-500	167 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 · Nov 5, 2026 · View company records in RevenueBase
11	Sekoia	Exact match	Rennes, FranceHQ recorded Nov 5, 2026	51-200	161 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 · Nov 5, 2026 · View company records in RevenueBase
12	ADNOV	Exact match	Venelles, FranceHQ recorded Nov 5, 2026	201-500	146 contacts →
	Exact match “ADNOV, filiale du groupe ADSN, acteur de renommée française à l'ancrage national, développe depuis plus de 40 ans une expertise reconnue dans la cybersécurité et la protection des…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13	Labsoft	Exact match	Labège, FranceHQ recorded Nov 5, 2026	51-200	146 contacts →
	Exact match “Labsoft SSII accompagne des grands comptes régionaux et national ainsi que des PME PMI.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14	Itrust	Exact match	Toulouse, FranceHQ recorded Nov 5, 2026	51-200	134 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 · Nov 5, 2026 · View company records in RevenueBase
15	Neverhack France	Exact match	Paris, FranceHQ recorded Nov 5, 2026	1,001-5,000	132 contacts →
	Exact match “NEVERHACK is a French group specialized in cybersecurity for over 40 years.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16	XMCO	Exact match	Paris, FranceHQ recorded Nov 5, 2026	51-200	129 contacts →
	Exact match “Our services : Penetration tests and Security Audits, Gap Analysis and PCI DSS Certification, CERT-XMCO (vulnerability watch, Cyber Survellance/Threat Intelligence, Forensics).” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17	Gatewatcher	Exact match	Paris, FranceHQ recorded Nov 5, 2026	51-200	126 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 · Nov 5, 2026 · View company records in RevenueBase
18	Secure-Ic	Exact match	Cesson-sevigne, FranceHQ recorded Nov 5, 2026	51-200	108 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 · Nov 5, 2026 · View company records in RevenueBase
19	Exclusive Networks France	Exact match	Boulogne Billancourt, FranceHQ recorded Nov 5, 2026	51-200	101 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 · Nov 5, 2026 · View company records in RevenueBase
20	Quarkslab	Exact match	Paris, FranceHQ recorded Nov 5, 2026	51-200	99 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 · Nov 5, 2026 · View company records in RevenueBase
21	Sekera	Exact match	Saint-quentin-en-yvelines, FranceHQ recorded Nov 5, 2026	51-200	89 contacts →
	Exact match “Sekera Services est un cabinet de conseil homologué par la DGSSI comme prestataire d’audit de sécurité SI (PASSI) répondant aux exigences en termes de démarche et qualifications…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	Strangebee	Exact match	Paris, FranceHQ recorded Nov 5, 2026	51-200	82 contacts →
	Exact match “StrangeBee is a cybersecurity software company based in Paris.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23	Aduneo	Exact match	Malakoff, FranceHQ recorded Nov 5, 2026	51-200	79 contacts →
	Exact match “Aduneo vous accompagne à chaque étape pour protéger vos identités, sécuriser vos données et simplifier votre quotidien.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24	Sealsq	Exact match	Meyreuil, FranceHQ recorded Nov 5, 2026	51-200	77 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 · Nov 5, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “cybersecurity development companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 24 of 1,009 cybersecurity development companies based in France

See the full list, filter by size, metro and specialty, and access 4,876 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cybersecurity development companies based in France at a glance

As of Nov 5, 2026

30.5%Verified-email coverage

15.8Average contacts per company

1-10Median size (employees)

29.1%Largest-city concentration · Paris

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

667

11-50

234

51-200

201-500

501-1,000

1,001-5,000

10001+

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 1,009 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 “cybersecurity development companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. 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 4,876 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on November 5, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

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

How many cybersecurity development companies are there based in France?

RevenueBase identified 1,009 company matches for cybersecurity development companies associated with France as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

SCC France tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most cybersecurity development companies?

Paris leads with 294 company records, followed by Lyon (32) and Toulouse (18).

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 4,876 professional contacts with verified work emails tracked across these 1,009 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 5, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.