Company lists · Data refreshed September 2026
Top 25 IT security consulting firms based in France
RevenueBase identified 1,013 company matches for IT security consulting firms associated with France as of September 2026 and tracks 12,695 professional contacts across them, including 3,530 with verified work emails and 290 with mobile numbers. Paris is the largest hub.
This list covers company matches for IT security consulting firms 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 4, 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 IT security consulting firms based in France
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 643 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 · Sep 4, 2026 · View company records in RevenueBase | |||||
| 2 | 529 contacts → | ||||
Exact match “Byblos Group est un groupe indépendant spécialisé dans la protection des personnes, des biens et des données, avec une approche sur mesure, fondée sur l’excellence opérationnelle…” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 3 | 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 4, 2026 · View company records in RevenueBase | |||||
| 4 | 369 contacts → | ||||
Exact match “Founded in 2010, Synetis is the leading independent French consultancy firm specialising in information systems security (ISS).” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 5 | 342 contacts → | ||||
Exact match “Devoteam Cyber Trust is the cybersecurity specialist arm of the Devoteam Group.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 6 | 279 contacts → | ||||
Exact match “Chez Cyllene, on couvre le spectre complet de votre besoin en termes de : Conseils 🧬 Définition d’architectures Hébergement & Services managés Cybersécurité & Formations…” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 7 | 252 contacts → | ||||
Exact match “Formind est un leader français indépendant, expert en cybersécurité.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 8 | 247 contacts → | ||||
Exact match “Intrinsec is focused on Information Security.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 9 | 139 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 · Sep 4, 2026 · View company records in RevenueBase | |||||
| 10 | 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 4, 2026 · View company records in RevenueBase | |||||
| 11 | 112 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 · Sep 4, 2026 · View company records in RevenueBase | |||||
| 12 | 110 contacts → | ||||
Exact match “At Egerie, we believe cybersecurity shouldn't be a constraint, it should be a true driver of sustainable performance.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 13 | 86 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 · Sep 4, 2026 · View company records in RevenueBase | |||||
| 14 | 83 contacts → | ||||
Exact match “Depuis 20 ans, Isitix accompagne vos projets informatiques et numériques.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 15 | 82 contacts → | ||||
Exact match “Fondée à Lyon en 2002, KNS est une Entreprise de Service du Numérique qui intervient à tous les niveaux de la sécurisation des Systèmes d'Information en France et à l'étranger.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 16 | 81 contacts → | ||||
Exact match “HARA Consulting est un groupe spécialisé dans la transformation numérique des entreprises par la mise en place d'outils IA, data et tech.+ 1⃣ 0⃣ 0⃣ Collaborateurs - Experts…” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 17 | 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 4, 2026 · View company records in RevenueBase | |||||
| 18 | 73 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 · Sep 4, 2026 · View company records in RevenueBase | |||||
| 19 | 65 contacts → | ||||
Exact match “LEXFO is an offensive security firm that assesses and strengthens your systems with an expert, pragmatic, results-driven approach.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 20 | 60 contacts → | ||||
Exact match “Les WAKERS sont des consultant·e·s spécialisé·s dans la sécurité et l’adoption des solutions Cloud au service de ses clients.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 21 | 60 contacts → | ||||
Exact match “LA SÉCURITÉ CRÉATRICE DE VALEUR POUR LES CLIENTS Login Sécurité accompagne les DSI dans la définition et la mise en œuvre de leur stratégie de Confiance Numérique.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 22 | 60 contacts → | ||||
Exact match “FOKUS, où l’Humain et la Technologie se rencontrent.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 23 | 57 contacts → | ||||
Exact match “VONA, cabinet de conseil indépendant en cybergouvernance et stratégie digitale accompagne les entreprises et les acteurs publics à sécuriser, piloter et valoriser leur…” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 24 | 57 contacts → | ||||
Exact match “Nos collaborateurs, experts dans les domaines de la security et la safety, interviennent depuis la réalisation des analyses de risque jusqu'à la recette sécurité du projet confié…” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase | |||||
| 25 | 55 contacts → | ||||
Exact match “Cyberlift, l'excellence et l'engagement, au service de votre cybersécurité.” Recorded in the RevenueBase company graph · Sep 4, 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 “IT security consulting firms”. 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 1,013 IT security consulting firms based in France
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IT security consulting firms based in France at a glance
As of Sep 4, 2026Companies by employee count
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
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 security consulting firms” 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 3,530 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 4, 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 security consulting firms 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 security consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many IT security consulting firms are there based in France?
RevenueBase identified 1,013 company matches for IT security consulting firms 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?
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 security consulting firms?
Paris leads with 286 company records, followed by Lyon (36) and Toulouse (15).
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 3,530 professional contacts with verified work emails tracked across these 1,013 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 4, 2026.
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IT security consulting firms by geography
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Browse the directory
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
- IT security consulting firms based in the United States
- IT security consulting firms based in the United Kingdom
- IT security consulting firms based in Brazil
- IT security consulting firms based in Canada
- IT security consulting firms based in Germany
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Company intelligence · public preview
Top 25 IT security consulting firms 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 1,013 matching company records for IT security consulting firms based in France, with 12,695 tracked contacts and 3,530 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 4, 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 IT security consulting firms 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 |  I-Tracingi-tracing.comHQ: Courbevoie, FranceReported employees: 1,001-5,000 | Courbevoie, France | 1,001-5,000 | Exact match | 643 contacts → |
“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 description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Byblos Groupbyblos-group-holding.comHQ: Lissieu, FranceReported employees: 1,001-5,000 | Lissieu, France | 1,001-5,000 | Exact match | 529 contacts → |
“Byblos Group est un groupe indépendant spécialisé dans la protection des personnes, des biens et des données, avec une approche sur mesure, fondée sur l’excellence opérationnelle…” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  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 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Synetissynetis.comHQ: Paris, FranceReported employees: 201-500 | Paris, France | 201-500 | Exact match | 369 contacts → |
“Founded in 2010, Synetis is the leading independent French consultancy firm specialising in information systems security (ISS).” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Devoteam Cyber Trustdevoteam.comHQ: Levallois-Perret, FranceReported employees: 10001+ | Levallois-Perret, France | 10001+ | Exact match | 342 contacts → |
“Devoteam Cyber Trust is the cybersecurity specialist arm of the Devoteam Group.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Cyllenegroupe-cyllene.comHQ: Paris, FranceReported employees: 201-500 | Paris, France | 201-500 | Exact match | 279 contacts → |
“Chez Cyllene, on couvre le spectre complet de votre besoin en termes de : Conseils 🧬 Définition d’architectures Hébergement & Services managés Cybersécurité & Formations…” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Formindformind.frHQ: Issy-Les-Moulineaux, FranceReported employees: 201-500 | Issy-Les-Moulineaux, France | 201-500 | Exact match | 252 contacts → |
“Formind est un leader français indépendant, expert en cybersécurité.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Intrinsecintrinsec.comHQ: Courbevoie, FranceReported employees: 201-500 | Courbevoie, France | 201-500 | Exact match | 247 contacts → |
“Intrinsec is focused on Information Security.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  ADNOVadnov.frHQ: Venelles, FranceReported employees: 201-500 | Venelles, France | 201-500 | Exact match | 139 contacts → |
“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 description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  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 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  XMCOxmco.frHQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 112 contacts → |
“Our services : Penetration tests and Security Audits, Gap Analysis and PCI DSS Certification, CERT-XMCO (vulnerability watch, Cyber Survellance/Threat Intelligence, Forensics).” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Egerieegerie.comHQ: Toulon, FranceReported employees: 51-200 | Toulon, France | 51-200 | Exact match | 110 contacts → |
“At Egerie, we believe cybersecurity shouldn't be a constraint, it should be a true driver of sustainable performance.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Sekerasekera-group.comHQ: Saint-quentin-en-yvelines, FranceReported employees: 51-200 | Saint-quentin-en-yvelines, France | 51-200 | Exact match | 86 contacts → |
“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 description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Isitixisitix.comHQ: HQ not recorded; location: Thorigne-Fouillard, FranceReported employees: Not recorded | HQ not recorded; location: Thorigne-Fouillard, France | Not recorded | Exact match | 83 contacts → |
“Depuis 20 ans, Isitix accompagne vos projets informatiques et numériques.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  KNSkns.frHQ: Lyon, FranceReported employees: 11-50 | Lyon, France | 11-50 | Exact match | 82 contacts → |
“Fondée à Lyon en 2002, KNS est une Entreprise de Service du Numérique qui intervient à tous les niveaux de la sécurisation des Systèmes d'Information en France et à l'étranger.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Hara Consultinghara-consulting.comHQ: Strasbourg, FranceReported employees: 51-200 | Strasbourg, France | 51-200 | Exact match | 81 contacts → |
“HARA Consulting est un groupe spécialisé dans la transformation numérique des entreprises par la mise en place d'outils IA, data et tech.+ 1⃣ 0⃣ 0⃣ Collaborateurs - Experts…” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  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 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Aduneoaduneo.comHQ: Malakoff, FranceReported employees: 51-200 | Malakoff, France | 51-200 | Exact match | 73 contacts → |
“Aduneo vous accompagne à chaque étape pour protéger vos identités, sécuriser vos données et simplifier votre quotidien.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  LEXFOlexfo.frHQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 65 contacts → |
“LEXFO is an offensive security firm that assesses and strengthens your systems with an expert, pragmatic, results-driven approach.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Wakerswakers.frHQ: Lille, FranceReported employees: 11-50 | Lille, France | 11-50 | Exact match | 60 contacts → |
“Les WAKERS sont des consultant·e·s spécialisé·s dans la sécurité et l’adoption des solutions Cloud au service de ses clients.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Login Sécuritélogin-securite.comHQ: Saint-Cloud, FranceReported employees: 51-200 | Saint-Cloud, France | 51-200 | Exact match | 60 contacts → |
“LA SÉCURITÉ CRÉATRICE DE VALEUR POUR LES CLIENTS Login Sécurité accompagne les DSI dans la définition et la mise en œuvre de leur stratégie de Confiance Numérique.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  FOKUSfokus-it.frHQ: Lyon, FranceReported employees: 51-200 | Lyon, France | 51-200 | Exact match | 60 contacts → |
“FOKUS, où l’Humain et la Technologie se rencontrent.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Vona Consultingvona.euHQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 57 contacts → |
“VONA, cabinet de conseil indépendant en cybergouvernance et stratégie digitale accompagne les entreprises et les acteurs publics à sécuriser, piloter et valoriser leur…” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Scassiscassi.comHQ: Paris / Toulouse / Madrid, FranceReported employees: 51-200 | Paris / Toulouse / Madrid, France | 51-200 | Exact match | 57 contacts → |
“Nos collaborateurs, experts dans les domaines de la security et la safety, interviennent depuis la réalisation des analyses de risque jusqu'à la recette sécurité du projet confié…” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Cyberliftcyberlift.frHQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 55 contacts → |
“Cyberlift, l'excellence et l'engagement, au service de votre cybersécurité.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,013 company matches
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IT security consulting firms: dataset insights
September 4, 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
1,008 records in the displayed employee bands.
5 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
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 4, 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 ↗
IT security consulting firms by metro
Questions about this company list
What does Exact match mean for IT security consulting firms?
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 IT security consulting firms did RevenueBase find based in France?
The saved snapshot records 1,013 matching company records, 12,695 tracked contacts and 3,530 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 4, 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
IT security consulting firms by geography
- IT security consulting firms based in the United States
- IT security consulting firms based in the United Kingdom
- IT security consulting firms based in Brazil
- IT security consulting firms based in Canada
- IT security consulting firms based in Germany
- IT security consulting firms based in Australia
- IT security consulting firms based in the Netherlands
- IT security consulting firms based in Italy
- IT security consulting firms based in Spain
- IT security consulting firms based in Mexico
- IT security consulting firms based in Switzerland
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Browse the directory
Cite this list
RevenueBase Data Team. Top 25 IT security consulting firms based in France. Snapshot: September 4, 2026. https://revenuebase.ai/companies/it-security-consulting-firms/france.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- IT security consulting firms based in the United States
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Company intelligence · public preview
Top 25 IT security consulting firms based in France
RevenueBase records 1,013 matching company records for IT security consulting firms based in France, with 12,695 tracked contacts and 3,530 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 4, 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 IT security consulting firms 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 | I-Tracingi-tracing.com HQ: Courbevoie, FranceReported employees: 1,001-5,000 | Courbevoie, France | 1,001-5,000 | Exact match | 643 contacts → |
“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 description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Byblos Groupbyblos-group-holding.com HQ: Lissieu, FranceReported employees: 1,001-5,000 | Lissieu, France | 1,001-5,000 | Exact match | 529 contacts → |
“Byblos Group est un groupe indépendant spécialisé dans la protection des personnes, des biens et des données, avec une approche sur mesure, fondée sur l’excellence opérationnelle…” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | 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 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Synetissynetis.com HQ: Paris, FranceReported employees: 201-500 | Paris, France | 201-500 | Exact match | 369 contacts → |
“Founded in 2010, Synetis is the leading independent French consultancy firm specialising in information systems security (ISS).” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Devoteam Cyber Trustdevoteam.com HQ: Levallois-Perret, FranceReported employees: 10001+ | Levallois-Perret, France | 10001+ | Exact match | 342 contacts → |
“Devoteam Cyber Trust is the cybersecurity specialist arm of the Devoteam Group.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Cyllenegroupe-cyllene.com HQ: Paris, FranceReported employees: 201-500 | Paris, France | 201-500 | Exact match | 279 contacts → |
“Chez Cyllene, on couvre le spectre complet de votre besoin en termes de : Conseils 🧬 Définition d’architectures Hébergement & Services managés Cybersécurité & Formations…” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Formindformind.fr HQ: Issy-Les-Moulineaux, FranceReported employees: 201-500 | Issy-Les-Moulineaux, France | 201-500 | Exact match | 252 contacts → |
“Formind est un leader français indépendant, expert en cybersécurité.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Intrinsecintrinsec.com HQ: Courbevoie, FranceReported employees: 201-500 | Courbevoie, France | 201-500 | Exact match | 247 contacts → |
“Intrinsec is focused on Information Security.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | ADNOVadnov.fr HQ: Venelles, FranceReported employees: 201-500 | Venelles, France | 201-500 | Exact match | 139 contacts → |
“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 description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | 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 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | XMCOxmco.fr HQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 112 contacts → |
“Our services : Penetration tests and Security Audits, Gap Analysis and PCI DSS Certification, CERT-XMCO (vulnerability watch, Cyber Survellance/Threat Intelligence, Forensics).” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Egerieegerie.com HQ: Toulon, FranceReported employees: 51-200 | Toulon, France | 51-200 | Exact match | 110 contacts → |
“At Egerie, we believe cybersecurity shouldn't be a constraint, it should be a true driver of sustainable performance.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Sekerasekera-group.com HQ: Saint-quentin-en-yvelines, FranceReported employees: 51-200 | Saint-quentin-en-yvelines, France | 51-200 | Exact match | 86 contacts → |
“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 description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Isitixisitix.com HQ: HQ not recorded; location: Thorigne-Fouillard, FranceReported employees: Not recorded | HQ not recorded; location: Thorigne-Fouillard, France | Not recorded | Exact match | 83 contacts → |
“Depuis 20 ans, Isitix accompagne vos projets informatiques et numériques.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | KNSkns.fr HQ: Lyon, FranceReported employees: 11-50 | Lyon, France | 11-50 | Exact match | 82 contacts → |
“Fondée à Lyon en 2002, KNS est une Entreprise de Service du Numérique qui intervient à tous les niveaux de la sécurisation des Systèmes d'Information en France et à l'étranger.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Hara Consultinghara-consulting.com HQ: Strasbourg, FranceReported employees: 51-200 | Strasbourg, France | 51-200 | Exact match | 81 contacts → |
“HARA Consulting est un groupe spécialisé dans la transformation numérique des entreprises par la mise en place d'outils IA, data et tech.+ 1⃣ 0⃣ 0⃣ Collaborateurs - Experts…” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | 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 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Aduneoaduneo.com HQ: Malakoff, FranceReported employees: 51-200 | Malakoff, France | 51-200 | Exact match | 73 contacts → |
“Aduneo vous accompagne à chaque étape pour protéger vos identités, sécuriser vos données et simplifier votre quotidien.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | LEXFOlexfo.fr HQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 65 contacts → |
“LEXFO is an offensive security firm that assesses and strengthens your systems with an expert, pragmatic, results-driven approach.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Wakerswakers.fr HQ: Lille, FranceReported employees: 11-50 | Lille, France | 11-50 | Exact match | 60 contacts → |
“Les WAKERS sont des consultant·e·s spécialisé·s dans la sécurité et l’adoption des solutions Cloud au service de ses clients.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Login Sécuritélogin-securite.com HQ: Saint-Cloud, FranceReported employees: 51-200 | Saint-Cloud, France | 51-200 | Exact match | 60 contacts → |
“LA SÉCURITÉ CRÉATRICE DE VALEUR POUR LES CLIENTS Login Sécurité accompagne les DSI dans la définition et la mise en œuvre de leur stratégie de Confiance Numérique.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | FOKUSfokus-it.fr HQ: Lyon, FranceReported employees: 51-200 | Lyon, France | 51-200 | Exact match | 60 contacts → |
“FOKUS, où l’Humain et la Technologie se rencontrent.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Vona Consultingvona.eu HQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 57 contacts → |
“VONA, cabinet de conseil indépendant en cybergouvernance et stratégie digitale accompagne les entreprises et les acteurs publics à sécuriser, piloter et valoriser leur…” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Scassiscassi.com HQ: Paris / Toulouse / Madrid, FranceReported employees: 51-200 | Paris / Toulouse / Madrid, France | 51-200 | Exact match | 57 contacts → |
“Nos collaborateurs, experts dans les domaines de la security et la safety, interviennent depuis la réalisation des analyses de risque jusqu'à la recette sécurité du projet confié…” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Cyberliftcyberlift.fr HQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 55 contacts → |
“Cyberlift, l'excellence et l'engagement, au service de votre cybersécurité.” Recorded description excerpt · September 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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IT security consulting firms: dataset insights
September 4, 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
1,008 records in the displayed employee bands.
5 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
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 4, 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 ↗
IT security consulting firms by metro
Questions about this company list
What does Exact match mean for IT security consulting firms?
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 IT security consulting firms did RevenueBase find based in France?
The saved snapshot records 1,013 matching company records, 12,695 tracked contacts and 3,530 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 4, 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 IT security consulting firms based in France. Snapshot: September 4, 2026. https://revenuebase.ai/companies/it-security-consulting-firms/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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