Company lists · Data refreshed September 2026

Top 25 Cybersecurity advisory and data privacy consulting services based in France

Name: Cybersecurity advisory and data privacy consulting services based in France
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 24, 2026 1,970 companies tracked

RevenueBase identified 1,970 cybersecurity advisory and data privacy consulting services headquartered in France as of September 2026 and tracks 32,257 professional contacts across them, including 10,250 with verified work emails and 798 with mobile numbers. Paris is the largest hub.

This list covers cybersecurity advisory and data privacy consulting services 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 24, 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 24, 2026 86% judged on-target in blind review

1,970Companies

32,257Contacts tracked

10,250Verified emails

798Mobile numbers

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The 25 largest cybersecurity advisory and data privacy consulting services based in France

Ranked by team size

Top 25 of 1,970 cybersecurity advisory and data privacy consulting services based in France, ranked by team size, largest first. Data refreshed Sep 24, 2026. RevenueBase Smart Search rates how each company's information relates to cybersecurity advisory and data privacy consulting services: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Orange Cyberdefense	Partial evidence	Nanterre, FranceHQ checked Sep 24, 2026	1,001-5,000	3,673 contacts →
	Partial evidence “Orange Cyberdefense is the expert cybersecurity business unit of the Orange Group.” Source: RevenueBase Database · checked Sep 24, 2026
2	Keyrus	Indirect evidence	Levallois-perret, FranceHQ checked Sep 24, 2026	1,001-5,000	1,964 contacts →
	Indirect evidence “At Keyrus, we help organizations move from experimental AI to industrialized AI, from isolated agents to orchestrated systems, and from insight to execution.” Source: RevenueBase Database · checked Sep 24, 2026
3	Airbus Protect	Partial evidence	Blagnac, FranceHQ checked Sep 24, 2026	1,001-5,000	1,431 contacts →
	Partial evidence “Airbus Protect is an Airbus subsidiary bringing together expertise in cybersecurity, safety and sustainability-related services.” Source: RevenueBase Database · checked Sep 24, 2026
4	SQUAD	Indirect evidence	Paris, FranceHQ checked Sep 24, 2026	501-1,000	803 contacts →
	Indirect evidence “The growing threat of cyber risks, the expansion of cloud computing and the emergence of the DevOps movement are reshaping IT practices, enlighting the relevance of our vision for…” Source: RevenueBase Database · checked Sep 24, 2026
5	I-Tracing	Partial evidence	Courbevoie, FranceHQ checked Sep 24, 2026	1,001-5,000	639 contacts →
	Partial 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 24, 2026
6	own.security	Partial evidence	Paris, FranceHQ checked Sep 24, 2026	51-200	506 contacts →
	Partial evidence “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.” Source: RevenueBase Database · checked Sep 24, 2026
7	WE	Indirect evidence	Issy Les Moulineaux, FranceHQ checked Sep 24, 2026	201-500	404 contacts →
	Indirect evidence “We+ est un cabinet de conseil expert en IT, membre de l’écosystème Alan Allman Associates.” Source: RevenueBase Database · checked Sep 24, 2026
8	Neverhack	Partial evidence	Paris, FranceHQ checked Sep 24, 2026	1,001-5,000	382 contacts →
	Partial evidence “NEVERHACK is a French group specialized in cybersecurity for over 40 years.” Source: RevenueBase Database · checked Sep 24, 2026
9	Synetis	Indirect evidence	Paris, FranceHQ checked Sep 24, 2026	201-500	359 contacts →
	Indirect evidence “Founded in 2010, Synetis is the leading independent French consultancy firm specialising in information systems security (ISS).” Source: RevenueBase Database · checked Sep 24, 2026
10	Devoteam Cyber Trust	Partial evidence	Levallois-perret, FranceHQ checked Sep 24, 2026	10001+	338 contacts →
	Partial evidence “Devoteam Cyber Trust is the cybersecurity specialist arm of the Devoteam Group.” Source: RevenueBase Database · checked Sep 24, 2026
11	Cyllene	Indirect evidence	Paris, FranceHQ checked Sep 24, 2026	201-500	279 contacts →
	Indirect evidence “Chez Cyllene, on couvre le spectre complet de votre besoin en termes de : Conseils 🧬 Définition d’architectures Hébergement & Services managés Cybersécurité & Formations…” Source: RevenueBase Database · checked Sep 24, 2026
12	Intrinsec	Indirect evidence	Courbevoie, FranceHQ checked Sep 24, 2026	201-500	245 contacts →
	Indirect evidence “Intrinsec is focused on Information Security.” Source: RevenueBase Database · checked Sep 24, 2026
13	Formind	Indirect evidence	Issy-les-moulineaux, FranceHQ checked Sep 24, 2026	201-500	244 contacts →
	Indirect evidence “Formind est un leader français indépendant, expert en cybersécurité.” Source: RevenueBase Database · checked Sep 24, 2026
14	Stordata	Indirect evidence	Versailles, FranceHQ checked Sep 24, 2026	51-200	150 contacts →
	Indirect evidence “STORDATA est spécialisée dans le conseil, l’architecture, la mise en œuvre, l’administration et le MCO d’infrastructures de sécurisation et de gestion des données.” Source: RevenueBase Database · checked Sep 24, 2026
15	ADNOV	Indirect evidence	Venelles, FranceHQ checked Sep 24, 2026	201-500	139 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 24, 2026
16	Capfi Groupe	Strong evidence	Paris, FranceHQ checked Sep 24, 2026	51-200	136 contacts →
	Strong evidence “IT Consulting focused on Finance, Banking and Insurance, CyberSecurity, Project Management, digital solutions and Big Data.” Source: RevenueBase Database · checked Sep 24, 2026
17	Itrust	Partial evidence	Toulouse, FranceHQ checked Sep 24, 2026	51-200	126 contacts →
	Partial evidence “Since January 2007, ITrust has been offering cybersecurity solutions and expertise in 6 different countries on the European market.” Source: RevenueBase Database · checked Sep 24, 2026
18	Abicom	Indirect evidence	Aubiere, FranceHQ checked Sep 24, 2026	51-200	122 contacts →
	Indirect evidence “Avec plus de 155 experts, Abicom Groupe OCI est le partenaire informatique de tous les professionnels.” Source: RevenueBase Database · checked Sep 24, 2026
19	Elevate Conseil Data, IA & Agentique	Partial evidence	Paris, FranceHQ checked Sep 24, 2026	51-200	117 contacts →
	Partial evidence “Fondé en 2017, Elevate est un cabinet de conseil en Data & IA de 200 consultants, intégré au groupe Humanskills.” Source: RevenueBase Database · checked Sep 24, 2026
20	Alleo DE Bouygues Telecom	Indirect evidence	Clichy, FranceHQ checked Sep 24, 2026	51-200	117 contacts →
	Indirect evidence “Après de nombreuses années de présence à vos côtés sous le nom 1913, notre marque évolue pour devenir ALLEO de Bouygues Telecom.” Source: RevenueBase Database · checked Sep 24, 2026
21	Evabssi	Strong evidence	Paris, FranceHQ checked Sep 24, 2026	201-500	117 contacts →
	Strong evidence “EvaBssi is an international consulting firm specialized in cybersecurity and IS performance.” Source: RevenueBase Database · checked Sep 24, 2026
22	XMCO	Indirect evidence	Paris, FranceHQ checked Sep 24, 2026	51-200	111 contacts →
	Indirect evidence “Our services : Penetration tests and Security Audits, Gap Analysis and PCI DSS Certification, CERT-XMCO (vulnerability watch, Cyber Survellance/Threat Intelligence, Forensics).” Source: RevenueBase Database · checked Sep 24, 2026
23	Egerie	Partial evidence	Toulon, FranceHQ checked Sep 24, 2026	51-200	105 contacts →
	Partial evidence “At Egerie, we believe cybersecurity shouldn't be a constraint, it should be a true driver of sustainable performance.” Source: RevenueBase Database · checked Sep 24, 2026
24	ENGIT	Indirect evidence	Valbonne, FranceHQ checked Sep 24, 2026	51-200	102 contacts →
	Indirect evidence “engIT \| Innovation IT & Transformation digitale - Faire du conseil différemment Depuis 2017, engIT accompagne les entreprises dans leurs projets stratégiques d'innovation…” Source: RevenueBase Database · checked Sep 24, 2026
25	Aramys	Indirect evidence	Lens, FranceHQ checked Sep 24, 2026	51-200	96 contacts →
	Indirect evidence “ARAMYS est une société de Conseil et d'Expertise intervenant sur l'ensemble des problématiques des PME/PMI et Grands Comptes liées aux Systèmes d'Information et de Communication…” Source: RevenueBase Database · checked Sep 24, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: cybersecurity advisory and data privacy consulting services. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names cybersecurity advisory and data privacy consulting services.
Partial evidence: Its own public description names part of cybersecurity advisory and data privacy consulting services, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name cybersecurity advisory and data privacy consulting services. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 1,970 cybersecurity advisory and data privacy consulting services based in France

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Cybersecurity advisory and data privacy consulting services based in France at a glance

As of Sep 24, 2026

31.8%Verified-email coverage

2.5%Mobile-number coverage

16.4Average contacts per company

1-10Median size (employees)

29.3%Largest-city concentration · Paris

Sep 24, 2026Page data refreshed

Companies by employee count

1-10

1,427

11-50

402

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 26.0d

7,9010–30

2,18131–60

12761–90

590–180

36180+

Company record updated

Median 68.0d

00–30

10,29731–60

14,43061–90

5,73290–180

1,798180+

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 cybersecurity advisory and data privacy consulting services, 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 “cybersecurity advisory and data privacy consulting services”. 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 cybersecurity advisory and data privacy consulting services), 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 cybersecurity advisory and data privacy consulting services, 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, 10,250 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 24, 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.

Cybersecurity advisory and data privacy consulting services by metro

Cybersecurity advisory and data privacy consulting services in Paris577
Cybersecurity advisory and data privacy consulting services in Lyon70
Cybersecurity advisory and data privacy consulting services in Toulouse35
Cybersecurity advisory and data privacy consulting services in Nantes27

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 cybersecurity advisory and data privacy consulting services, 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 cybersecurity advisory and data privacy consulting services are there based in France?

RevenueBase identified 1,970 cybersecurity advisory and data privacy consulting services 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?

Orange Cyberdefense, headquartered in Paris, tops this list with the largest team on record.

Which city has the most cybersecurity advisory and data privacy consulting services?

Paris leads with 577 headquartered companies, followed by Lyon (70) and Toulouse (35).

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 10,250 verified decision-maker contacts tracked across these 1,970 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 24, 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.