Company lists · Data refreshed November 2026

Top 24 IT cybersecurity audit services based in France

RevenueBase identified 282 company matches for IT cybersecurity audit services associated with France as of November 2026 and tracks 3,735 professional contacts across them, including 1,032 with verified work emails. Paris is the largest hub.

This list covers company matches for IT cybersecurity audit services 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
282Companies
3,735Contacts tracked
1,032Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 24 largest IT cybersecurity audit services based in France

Ranked by team size
Top 24 of 282 company matches for IT cybersecurity audit services 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchCourbevoie, FranceHQ recorded Nov 5, 20261,001-5,000687 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
2Exact matchParis, FranceHQ recorded Nov 5, 202651-200558 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
3Exact matchVenelles, FranceHQ recorded Nov 5, 2026201-500146 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
4Exact matchParis, FranceHQ recorded Nov 5, 20261,001-5,000132 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
5Exact matchParis, FranceHQ recorded Nov 5, 202651-200129 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
6Exact matchLe Plessis-robinson, FranceHQ recorded Nov 5, 202651-20064 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 · Nov 5, 2026 · View company records in RevenueBase
7Exact matchSene, FranceHQ recorded Nov 5, 2026n/a46 contacts →

Exact match

“DCIT Conseil, société de services de consultation spécialisée dans la cybersécurité et les technologies de l'information.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchParis, FranceHQ recorded Nov 5, 202611-5040 contacts →

Exact match

“ACG Cybersecurity est un cabinet d’Audit, de Conseil et de Gouvernance spécialisé en matière de Cybersécurité.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchRennes, FranceHQ recorded Nov 5, 202611-5039 contacts →

Exact match

“ORNISEC est un cabinet d’expertise à la pointe de la cybersécurité, qualifié PASSI RGS, PACS et PASSI LPM par l'ANSSI.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchBagnolet, FranceHQ recorded Nov 5, 202651-20039 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 · Nov 5, 2026 · View company records in RevenueBase
11Exact matchMontpellier, FranceHQ recorded Nov 5, 202651-20038 contacts →

Exact match

“Looking for services & solutions to secure your organization and your web applications?”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchParis, FranceHQ recorded Nov 5, 202611-5032 contacts →

Exact match

“COGICEO is a company founded in 2012, specializing in IT security audits and penetration testing (pentest).”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchParis, FranceHQ recorded Nov 5, 202611-5031 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 · Nov 5, 2026 · View company records in RevenueBase
14Exact matchRezé, FranceHQ recorded Nov 5, 202611-5030 contacts →

Exact match

“Digitemis est expert dans le conseil en cybersécurité et protection des données personnelles.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchLevallois-perret, FranceHQ recorded Nov 5, 202611-5027 contacts →

Exact match

“SEC-IT, filiale du groupe MCA, est le partenaire de référence en cybersécurité, combinant expertise en audit conseil, sécurité opérationnelle et formation pour accompagner les…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchRouen, FranceHQ recorded Nov 5, 202611-5027 contacts →

Exact match

“Fondée en 2001, ACE Service concentre son activité sur son savoir-faire : la sécurité des systèmes d'information.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchParis, FranceHQ recorded Nov 5, 202611-5025 contacts →

Exact match

“Nous sommes une entreprise résolument orientée vers les services liés au domaine de la Cybersécurité.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchChamps-sur-marne, FranceHQ recorded Nov 5, 202611-5024 contacts →

Exact match

“Pour de nombreuses entreprises, la thématique de la sécurité arrive après compromission.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchWambrechies, FranceHQ recorded Nov 5, 202611-5023 contacts →

Exact match

“Nos offres de service - Audit et Conseils informatiques (gouvernance, sécurité & infrastructure)- Pilotage et Gestion de Système d'informations (DSI à temps partagé.)-…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchLyon, FranceHQ recorded Nov 5, 202611-5021 contacts →

Exact match

“We support organisations of all sizes and across all sectors with - penetration testing on all types of targets (web and mobile apps, infrastructure, networks, cloud, IoT, etc.)-…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchMontrouge, FranceHQ recorded Nov 5, 202611-5021 contacts →

Exact match

“EYACOM is dedicated to delivering top-tier security services to its clients within the IT sector.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchBoulogne-billancourt, FranceHQ recorded Nov 5, 202611-5019 contacts →

Exact match

“BlueTrusty is the Cyber security practice of ITS Group.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchParis-lyon-aix/marseille, FranceHQ recorded Nov 5, 202611-5017 contacts →

Exact match

“Nous veillons sur la sécurité de votre Système d’Information.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchLille, FranceHQ recorded Nov 5, 202611-5015 contacts →

Exact match

“Iparcus est un cabinet de conseil en cybersécurité indépendant, basé à Lille avec une présence à Paris.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 24 of 282 IT cybersecurity audit services based in France

See the full list, filter by size, metro and specialty, and access 1,032 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

IT cybersecurity audit services based in France at a glance

As of Nov 5, 2026
27.6%Verified-email coverage
13.2Average contacts per company
1-10Median size (employees)
24.8%Largest-city concentration · Paris
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
210
11-50
58
51-200
9
201-500
1
1,001-5,000
2
10001+
1

Email recency for this list is measured worldwide rather than for France, so it is reported there. Company counts and contact totals on this page are exact for France, over 282 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 “IT cybersecurity audit services” 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 1,032 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.

IT cybersecurity audit services 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 “IT cybersecurity audit services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT cybersecurity audit services are there based in France?

RevenueBase identified 282 company matches for IT cybersecurity audit services 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?

I-Tracing tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most IT cybersecurity audit services?

Paris leads with 70 company records, followed by Lyon (10) and Toulouse (10).

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 1,032 professional contacts with verified work emails tracked across these 282 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.

Ready to reach these companies? Verified emails and direct dials for all 282 IT cybersecurity audit services based in France. Start with a free account, no credit card.

Download this list →

Related lists

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.