Company lists · Data refreshed September 2026

Top 25 Zero trust security consulting companies based in France

RevenueBase identified 254 zero trust security consulting companies headquartered in France as of September 2026 and tracks 3,078 professional contacts across them, including 1,223 with verified work emails. Paris is the largest hub.

This list covers zero trust security consulting companies headquartered in France, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 29, 2026 86% judged on-target in blind review
254Companies
3,078Contacts tracked
1,223Verified emails
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The 25 largest zero trust security consulting companies based in France

Ranked by team size
Top 25 of 254 zero trust security consulting companies based in France, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to zero trust security consulting companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceCourbevoie, FranceHQ checked Sep 29, 20261,001-5,000639 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 29, 2026
2Indirect evidenceParis, FranceHQ checked Sep 29, 20261,001-5,000382 contacts →

Indirect evidence

“NEVERHACK is a French group specialized in cybersecurity for over 40 years.”

Source: RevenueBase Database · checked Sep 29, 2026
3Indirect evidenceSausheim, FranceHQ checked Sep 29, 202651-200104 contacts →

Indirect evidence

“At Systancia, we believe that you can leverage cybersecurity for business performance.”

Source: RevenueBase Database · checked Sep 29, 2026
4Indirect evidenceLe Plessis-robinson, FranceHQ checked Sep 29, 202651-20075 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 29, 2026
5Indirect evidenceMalakoff, FranceHQ checked Sep 29, 202651-20073 contacts →

Indirect evidence

“Aduneo vous accompagne à chaque étape pour protéger vos identités, sécuriser vos données et simplifier votre quotidien.”

Source: RevenueBase Database · checked Sep 29, 2026
6Indirect evidenceSaint-cloud, FranceHQ checked Sep 29, 202651-20059 contacts →

Indirect evidence

“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.”

Source: RevenueBase Database · checked Sep 29, 2026
7Indirect evidenceParis, FranceHQ checked Sep 29, 202651-20056 contacts →

Indirect evidence

“Cyberlift, l'excellence et l'engagement, au service de votre cybersécurité.”

Source: RevenueBase Database · checked Sep 29, 2026
8Indirect evidencePuteaux, FranceHQ checked Sep 29, 202611-5052 contacts →

Indirect evidence

“Navigacom, cabinet de conseil indépendant, expert dans les Infrastructures IT & Cybersécurité.”

Source: RevenueBase Database · checked Sep 29, 2026
9Indirect evidenceLevallois-perret, FranceHQ checked Sep 29, 202651-20052 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 29, 2026
10Indirect evidenceSene, FranceHQ checked Sep 29, 2026n/a47 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
11Indirect evidenceRennes, FranceHQ checked Sep 29, 202611-5040 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
12Indirect evidenceVilleurbanne, FranceHQ checked Sep 29, 202651-20038 contacts →

Indirect evidence

“Expert dans la construction, l’intégration, l'exploitation et la sécurisation d’infrastructures IT complexes.”

Source: RevenueBase Database · checked Sep 29, 2026
13Strong evidenceParis, FranceHQ checked Sep 29, 202611-5038 contacts →

Strong evidence

“Nucleon Security – Reprogramming the Rules of Endpoint Security In a world flooded with alerts, agents, and complexity, we chose a different path: operationalizing Zero-Trust…”

Source: RevenueBase Database · checked Sep 29, 2026
14Indirect evidenceParis, FranceHQ checked Sep 29, 202611-5037 contacts →

Indirect evidence

“Qui sommes-nous?”

Source: RevenueBase Database · checked Sep 29, 2026
15Partial evidenceParis, FranceHQ checked Sep 29, 2026n/a36 contacts →

Partial evidence

“Atlantis is an IT consulting company based in Paris, France.”

Source: RevenueBase Database · checked Sep 29, 2026
16Indirect evidenceLyon, FranceHQ checked Sep 29, 202611-5033 contacts →

Indirect evidence

“Notre positionnement Fondé en 2018, EXCUBE, cabinet-conseil spécialisé en Cybersécurité, délivre ses prestations en s’appuyant sur la connaissance du métier de ses clients…”

Source: RevenueBase Database · checked Sep 29, 2026
17Partial evidenceParis, FranceHQ checked Sep 29, 202611-5032 contacts →

Partial evidence

“Cybersecurity company founded by security experts providing the following services: Security audits, Vulnerability research, SecOps, SecArch and Trainings”

Source: RevenueBase Database · checked Sep 29, 2026
18Indirect evidenceLevallois-perret, FranceHQ checked Sep 29, 202611-5027 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 29, 2026
19Indirect evidenceParis, FranceHQ checked Sep 29, 202611-5025 contacts →

Indirect evidence

“Créé en janvier 2017, Cyberdian est un cabinet de conseil en cybersécurité spécialisé dans l'accompagnement, l'analyse des risques, la stratégie et la mise en œuvre des moyens…”

Source: RevenueBase Database · checked Sep 29, 2026
20Indirect evidencePuteaux, FranceHQ checked Sep 29, 202611-5024 contacts →

Indirect evidence

“Cabinet de conseil indépendant en cybersécurité, gestion des risques et résilience opérationnelle.”

Source: RevenueBase Database · checked Sep 29, 2026
21Indirect evidenceParis, FranceHQ checked Sep 29, 202611-5023 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
22Indirect evidenceParis La Defense, FranceHQ checked Sep 29, 2026201-50022 contacts →

Indirect evidence

“MANIKA, l'engagement par nature.”

Source: RevenueBase Database · checked Sep 29, 2026
23Indirect evidenceParis, FranceHQ checked Sep 29, 202611-5021 contacts →

Indirect evidence

“Conseil en Cybersécurité : Stratégie, Gouvernance, Conformité, Audit et Gestion de crise”

Source: RevenueBase Database · checked Sep 29, 2026
24Partial evidenceParis, FranceHQ checked Sep 29, 202651-20021 contacts →

Partial evidence

“As the main independent provider of cybersecurity and risk management consulting and technical expertise, Harmonie Technologie partners with key accounts (mainly from CAC40 and…”

Source: RevenueBase Database · checked Sep 29, 2026
25Indirect evidenceChamps-sur-marne, FranceHQ checked Sep 29, 202611-5021 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 29, 2026

Showing 25 of 254 zero trust security consulting companies based in France

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Zero trust security consulting companies based in France at a glance

As of Sep 29, 2026
39.7%Verified-email coverage
12.1Average contacts per company
1-10Median size (employees)
32.7%Largest-city concentration · Paris
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
177
11-50
56
51-200
17
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 254 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among zero trust security consulting companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in France whose own description of what they do matches “zero trust security consulting companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names zero trust security consulting companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among zero trust security consulting companies, and records with no verified work email. Companies headquartered outside France are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 1,223 across the full list. 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 29, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Zero trust security consulting companies by metro

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names zero trust security consulting companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many zero trust security consulting companies are there based in France?

RevenueBase identified 254 zero trust security consulting companies headquartered in France as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

I-Tracing, headquartered in Courbevoie, tops this list with the largest team on record.

Which city has the most zero trust security consulting companies?

Paris leads with 83 headquartered companies, followed by Lyon (8) and Boulogne-Billancourt (4).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,223 verified decision-maker contacts tracked across these 254 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 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 Smart Search, 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.