Company lists · Data refreshed September 2026

Top 25 Network security consulting services for IT companies based in France

RevenueBase identified 577 network security consulting services for IT companies headquartered in France as of September 2026 and tracks 4,931 professional contacts across them, including 1,594 with verified work emails. Paris is the largest hub.

This list covers network security consulting services for IT 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 21, 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 21, 2026 86% judged on-target in blind review
577Companies
4,931Contacts tracked
1,594Verified emails
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The 25 largest network security consulting services for IT companies based in France

Ranked by team size
Top 25 of 577 network security consulting services for IT companies based in France, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to network security consulting services for IT 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 21, 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 21, 2026
2Partial evidenceParis, FranceHQ checked Sep 21, 2026201-500117 contacts →

Partial evidence

“EvaBssi is an international consulting firm specialized in cybersecurity and IS performance.”

Source: RevenueBase Database · checked Sep 21, 2026
3Indirect evidenceFranceHQ checked Sep 21, 2026n/a83 contacts →

Indirect evidence

“Depuis 20 ans, Isitix accompagne vos projets informatiques et numériques.”

Source: RevenueBase Database · checked Sep 21, 2026
4Indirect evidenceLe Plessis-robinson, FranceHQ checked Sep 21, 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 21, 2026
5Indirect evidenceParis, FranceHQ checked Sep 21, 202651-20068 contacts →

Indirect evidence

“La société AMD BLUE est née de l’intention de son président, Michel Delouya, de fonder une ESN (anciennement SSII) dans laquelle la qualité et l’accompagnement assidus du service…”

Source: RevenueBase Database · checked Sep 21, 2026
6Indirect evidenceSaint-cloud, FranceHQ checked Sep 21, 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 21, 2026
7Indirect evidenceParis, FranceHQ checked Sep 21, 202651-20056 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
8Partial evidencePuteaux, FranceHQ checked Sep 21, 202611-5052 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
9Indirect evidenceMalakoff, FranceHQ checked Sep 21, 202611-5052 contacts →

Indirect evidence

“Votre logiciel métier devrait vous appartenir.”

Source: RevenueBase Database · checked Sep 21, 2026
10Indirect evidenceParis, FranceHQ checked Sep 21, 202651-20049 contacts →

Indirect evidence

“Conix Technologies et Services est une ESN, filiale de Conix Services créée en 1997, dédiée à la réalisation et à la sécurisation du Système d’Information de l’entreprise étendue.”

Source: RevenueBase Database · checked Sep 21, 2026
11Indirect evidenceParis, FranceHQ checked Sep 21, 202611-5047 contacts →

Indirect evidence

“Créé en 2017, REDOPUS est spécialisée en sécurité, réseaux des systèmes d'informations.”

Source: RevenueBase Database · checked Sep 21, 2026
12Indirect evidenceSene, FranceHQ checked Sep 21, 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 21, 2026
13Indirect evidenceBagnolet, FranceHQ checked Sep 21, 202651-20042 contacts →

Indirect evidence

“Les entreprises qui domineront leur marché dans les dix prochaines années auront toutes un point commun : un système d'information devenu un avantage stratégique.”

Source: RevenueBase Database · checked Sep 21, 2026
14Indirect evidenceParis, FranceHQ checked Sep 21, 202611-5042 contacts →

Indirect evidence

“Cabinet de conseil à taille humaine spécialisé dans les infrastructures Datacenters, réseaux et sécurité.”

Source: RevenueBase Database · checked Sep 21, 2026
15Indirect evidenceVendeville, FranceHQ checked Sep 21, 202611-5041 contacts →

Indirect evidence

“Services aux entreprises dans différents domaines des infrastructures informatique.”

Source: RevenueBase Database · checked Sep 21, 2026
16Indirect evidenceRennes, FranceHQ checked Sep 21, 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 21, 2026
17Partial evidenceParis, FranceHQ checked Sep 21, 202611-5040 contacts →

Partial evidence

“setec is est une filiale du Groupe setec, spécialisée dans le conseil et l’ingénierie dans le domaine des infrastructures IT, télécom, réseaux et cybersécurité.”

Source: RevenueBase Database · checked Sep 21, 2026
18Indirect evidenceParis, FranceHQ checked Sep 21, 202611-5037 contacts →

Indirect evidence

“Qui sommes-nous?”

Source: RevenueBase Database · checked Sep 21, 2026
19Strong evidenceParis, FranceHQ checked Sep 21, 2026n/a36 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
20Indirect evidenceBoulogne-billancourt, FranceHQ checked Sep 21, 202611-5034 contacts →

Indirect evidence

“Welcome to arcITek!”

Source: RevenueBase Database · checked Sep 21, 2026
21Indirect evidenceLyon, FranceHQ checked Sep 21, 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 21, 2026
22Indirect evidenceParis, FranceHQ checked Sep 21, 202611-5033 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
23Partial evidenceParis, FranceHQ checked Sep 21, 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 21, 2026
24Indirect evidenceRouen, FranceHQ checked Sep 21, 202611-5030 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
25Indirect evidenceParis La Défense, FranceHQ checked Sep 21, 202611-5029 contacts →

Indirect evidence

“Nous sommes : Neywork est un cabinet de conseil spécialisé en réseau et sécurité Fondé en 2018 par un architecte spécialisé en réseau et sécurité, Neywork apporte des solutions…”

Source: RevenueBase Database · checked Sep 21, 2026

Showing 25 of 577 network security consulting services for IT companies based in France

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Network security consulting services for IT companies based in France at a glance

As of Sep 21, 2026
32.3%Verified-email coverage
8.5Average contacts per company
1-10Median size (employees)
23.6%Largest-city concentration · Paris
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
414
11-50
133
51-200
25
201-500
2
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 577 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 network security consulting services for IT 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 “network security consulting services for IT 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 network security consulting services for IT 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 network security consulting services for IT 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, 1,594 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 21, 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.

Network security consulting services for IT companies by metro

  • Network security consulting services for IT companies in Paris136

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 network security consulting services for IT 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 network security consulting services for IT companies are there based in France?

RevenueBase identified 577 network security consulting services for IT 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 network security consulting services for IT companies?

Paris leads with 136 headquartered companies, followed by Lyon (15) and Nantes (10).

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 1,594 verified decision-maker contacts tracked across these 577 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 21, 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.