Company lists · Data refreshed September 2026

Top 25 Counterintelligence consulting firms based in France

Name: Counterintelligence consulting firms based in France
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 27, 2026 159 companies tracked

RevenueBase identified 159 counterintelligence consulting firms headquartered in France as of September 2026 and tracks 1,261 professional contacts across them, including 191 with verified work emails. Paris is the largest hub.

This list covers counterintelligence consulting firms 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 27, 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 27, 2026 86% judged on-target in blind review

159Companies

1,261Contacts tracked

191Verified emails

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The 25 largest counterintelligence consulting firms based in France

Ranked by team size

Top 25 of 159 counterintelligence consulting firms based in France, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to counterintelligence consulting firms: 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	own.security	Indirect evidence	Paris, FranceHQ checked Sep 27, 2026	51-200	506 contacts →
	Indirect 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 27, 2026
2	Scutum Security First SSF	Indirect evidence	Paris, FranceHQ checked Sep 27, 2026	11-50	54 contacts →
	Indirect evidence “SSF, votre partenaire sûreté à l’international.” Source: RevenueBase Database · checked Sep 27, 2026
3	Dcit Conseil	Indirect evidence	Sene, FranceHQ checked Sep 27, 2026	n/a	47 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 27, 2026
4	Ornisec	Indirect evidence	Rennes, FranceHQ checked Sep 27, 2026	11-50	40 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 27, 2026
5	Excube	Indirect evidence	Lyon, FranceHQ checked Sep 27, 2026	11-50	33 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 27, 2026
6	Blackfox Partners	Indirect evidence	Puteaux, FranceHQ checked Sep 27, 2026	11-50	24 contacts →
	Indirect evidence “Cabinet de conseil indépendant en cybersécurité, gestion des risques et résilience opérationnelle.” Source: RevenueBase Database · checked Sep 27, 2026
7	WLF	Indirect evidence	Paris, FranceHQ checked Sep 27, 2026	11-50	21 contacts →
	Indirect evidence “Conseil en Cybersécurité : Stratégie, Gouvernance, Conformité, Audit et Gestion de crise” Source: RevenueBase Database · checked Sep 27, 2026
8	Polaris ST	Indirect evidence	Saint-priest, FranceHQ checked Sep 27, 2026	11-50	16 contacts →
	Indirect evidence “Fondée en 2010, Polaris Secure Technologies est une société de conseil spécialisée dans la sécurité des systèmes d’information.” Source: RevenueBase Database · checked Sep 27, 2026
9	STEEF	Indirect evidence	Paris, FranceHQ checked Sep 27, 2026	11-50	12 contacts →
	Indirect evidence “Cabinet de Conseils, Créatif et Authentique construit autour d’une communauté composée d’Experts en Cybersécurité.” Source: RevenueBase Database · checked Sep 27, 2026
10	Actulligence	Partial evidence	Fronton, FranceHQ checked Sep 27, 2026	1-10	12 contacts →
	Partial evidence “Independant consulting specialised in competitive intelligence project management.” Source: RevenueBase Database · checked Sep 27, 2026
11	Semkel	Indirect evidence	Oullins, FranceHQ checked Sep 27, 2026	11-50	11 contacts →
	Indirect evidence “SEMKEL est une agence experte en renseignement et en gestion des risques (économique, réputation et cyber).” Source: RevenueBase Database · checked Sep 27, 2026
12	Consors	Indirect evidence	Paris, FranceHQ checked Sep 27, 2026	11-50	9 contacts →
	Indirect evidence “Nous vivons dans un monde d’incertitudes où les risques se transforment, se dissimulent et surgissent souvent là où on ne les attend pas.” Source: RevenueBase Database · checked Sep 27, 2026
13	Gen&sis	Partial evidence	Puteaux, FranceHQ checked Sep 27, 2026	1-10	6 contacts →
	Partial evidence “GEN & SIS, a consulting company dedicated to Cybersecurity, supports you in securing your information system through its services” Source: RevenueBase Database · checked Sep 27, 2026
14	Solarisq	Indirect evidence	Sautron, FranceHQ checked Sep 27, 2026	1-10	6 contacts →
	Indirect evidence “Cabinet de Conseil et Ingénierie en Sûreté Diagnostics de sûreté - Formations - Assistance à maîtrise d'ouvrage - Plan de sûreté” Source: RevenueBase Database · checked Sep 27, 2026
15	Leviam	Indirect evidence	Paris, FranceHQ checked Sep 27, 2026	11-50	5 contacts →
	Indirect evidence “Leviam est un cabinet de conseil spécialisé dans la cybersécurité.” Source: RevenueBase Database · checked Sep 27, 2026
16	Straad.A	Indirect evidence	Paris, FranceHQ checked Sep 27, 2026	1-10	5 contacts →
	Indirect evidence “Membre de #NUMEUM et du #CyberCercle, STRAAD.A, structure de conseil et d'expertise en sécurité globale, se positionne comme un partenaire de l'anticipation et de la maitrise des…” Source: RevenueBase Database · checked Sep 27, 2026
17	Defenso	Indirect evidence	Paris, FranceHQ checked Sep 27, 2026	1-10	5 contacts →
	Indirect evidence “Defenso est un cabinet de conseil indépendant spécialisé en ingénierie de Cyberdéfense.” Source: RevenueBase Database · checked Sep 27, 2026
18	Carinel	Indirect evidence	Paris, FranceHQ checked Sep 27, 2026	1-10	5 contacts →
	Indirect evidence “Les problématiques de sécurité sont au cœur des préoccupations de notre société moderne et nous avons parfois du mal à les appréhender de manière dépassionnée.” Source: RevenueBase Database · checked Sep 27, 2026
19	Diagram Group Securite Compass Protection Privee	Partial evidence	Paris, FranceHQ checked Sep 27, 2026	11-50	5 contacts →
	Partial evidence “DIAGRAM Group is a long-established security management and consulting company operating with integrity, accountability and commitment to protect people, assets and business…” Source: RevenueBase Database · checked Sep 27, 2026
20	ESL & Network	Indirect evidence	Paris, FranceHQ checked Sep 27, 2026	11-50	4 contacts →
	Indirect evidence “Pionnier de l’intelligence économique, le groupe ESL & Network, implanté à Paris, Bruxelles, Dubaï et Rabat, met à disposition de ses clients son expertise et son réseau…” Source: RevenueBase Database · checked Sep 27, 2026
21	WELAN	Indirect evidence	Paris, FranceHQ checked Sep 27, 2026	1-10	4 contacts →
	Indirect evidence “WELAN est une société de conseil en cybersécurité qui accompagne les entreprises de toutes tailles désireuses de se protéger contre les menaces numériques croissantes.” Source: RevenueBase Database · checked Sep 27, 2026
22	Eykues Consulting	Partial evidence	Paris, FranceHQ checked Sep 27, 2026	1-10	4 contacts →
	Partial evidence “Fondé en 2014 par le Général (2S) Bertrand Cavallier, Eykues Consulting se veut être un outil efficace au service des hommes et des organisations.” Source: RevenueBase Database · checked Sep 27, 2026
23	Cysafe Consulting	Partial evidence	Paris, FranceHQ checked Sep 27, 2026	1-10	4 contacts →
	Partial evidence “CySAFE Consulting est un cabinet de conseil spécialisé en cybersécurité et management des risques qui accompagne les grandes, comme les petites entreprises, ainsi que les…” Source: RevenueBase Database · checked Sep 27, 2026
24	Fidelis ET Associes	Indirect evidence	Paris, FranceHQ checked Sep 27, 2026	1-10	4 contacts →
	Indirect evidence “Sécuriser son développement économique, anticiper l’apparition de nouvelles menaces, protéger sa réputation ou peser sur les décisions, sont des défis d’autant plus difficiles à…” Source: RevenueBase Database · checked Sep 27, 2026
25	Atao Consulting	Indirect evidence	Versailles, FranceHQ checked Sep 27, 2026	11-50	4 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 27, 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: counterintelligence consulting firms. 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 counterintelligence consulting firms.
Partial evidence: Its own public description names part of counterintelligence consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name counterintelligence consulting firms. 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 159 counterintelligence consulting firms based in France

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Counterintelligence consulting firms based in France at a glance

As of Sep 27, 2026

15.1%Verified-email coverage

7.9Average contacts per company

1-10Median size (employees)

46.5%Largest-city concentration · Paris

Sep 27, 2026Page data refreshed

Companies by employee count

1-10

115

11-50

51-200

201-500

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 159 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 counterintelligence consulting firms, 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 “counterintelligence consulting firms”. 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 counterintelligence consulting firms), 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 counterintelligence consulting firms, 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, 191 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 27, 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.

Counterintelligence consulting firms by metro

Counterintelligence consulting firms in Paris74

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 counterintelligence consulting firms, 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 counterintelligence consulting firms are there based in France?

RevenueBase identified 159 counterintelligence consulting firms 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?

own.security, headquartered in Paris, tops this list with the largest team on record.

Which city has the most counterintelligence consulting firms?

Paris leads with 74 headquartered companies, followed by Lyon (7) and Bordeaux (2).

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 191 verified decision-maker contacts tracked across these 159 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 27, 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.