Company lists · Data refreshed September 2026

Top 25 Cybersecurity consulting agencies based in Paris, France

Name: Cybersecurity consulting agencies based in Paris, France
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 10, 2026 345 companies tracked

RevenueBase identified 345 company matches for cybersecurity consulting agencies associated with Paris, France as of September 2026 and tracks 10,602 professional contacts across them, including 4,342 with verified work emails and 198 with mobile numbers. Across France, Paris is the largest hub for this category.

This list covers company matches for cybersecurity consulting agencies associated with Paris, 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 10, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 10, 2026 How this list was built

345Companies

10,602Contacts tracked

4,342Verified emails

198Mobile numbers

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest cybersecurity consulting agencies based in Paris, France

Ranked by team size

Top 25 of 345 company matches for cybersecurity consulting agencies based in Paris, France, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 10, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	SQUAD	Exact match	Paris, FranceHQ recorded Sep 10, 2026	501-1,000	803 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
2	own.security	Exact match	Paris, FranceHQ recorded Sep 10, 2026	51-200	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 10, 2026 · View company records in RevenueBase
3	Neverhack	Exact match	Paris, FranceHQ recorded Sep 10, 2026	1,001-5,000	382 contacts →
	Exact match “NEVERHACK is a French group specialized in cybersecurity for over 40 years.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
4	Synetis	Exact match	Paris, FranceHQ recorded Sep 10, 2026	201-500	359 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 10, 2026 · View company records in RevenueBase
5	Cyllene	Exact match	Paris, FranceHQ recorded Sep 10, 2026	201-500	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 10, 2026 · View company records in RevenueBase
6	Synacktiv	Exact match	Paris, FranceHQ recorded Sep 10, 2026	201-500	171 contacts →
	Exact match “Synacktiv is an offensive security company founded in 2012 by several security experts.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
7	Gatewatcher	Exact match	Paris, FranceHQ recorded Sep 10, 2026	51-200	138 contacts →
	Exact match “European leader in intrusion detection and advanced threat detection, Gatewatcher has been protecting the critical networks of large companies as well as public institutions since…” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
8	Evabssi	Exact match	Paris, FranceHQ recorded Sep 10, 2026	201-500	117 contacts →
	Exact match “EvaBssi is an international consulting firm specialized in cybersecurity and IS performance.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
9	XMCO	Exact match	Paris, FranceHQ recorded Sep 10, 2026	51-200	111 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 10, 2026 · View company records in RevenueBase
10	Quarkslab	Exact match	Paris, FranceHQ recorded Sep 10, 2026	51-200	95 contacts →
	Exact match “Fondée en 2011 par Fred Raynal, Quarkslab est une entreprise française spécialisée dans la cybersécurité et plus spécifiquement dans la protection et l'analyse des logiciels.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
11	Magellan Sécurité	Exact match	Paris, FranceHQ recorded Sep 10, 2026	51-200	75 contacts →
	Exact match “Magellan Sécurité, an entity of the Magellan Partners Group, offers integrated solutions to protect against internal threats and cyber attacks.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
12	Vona Consulting	Exact match	Paris, FranceHQ recorded Sep 10, 2026	51-200	59 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 10, 2026 · View company records in RevenueBase
13	Cyberlift	Exact match	Paris, FranceHQ recorded Sep 10, 2026	51-200	56 contacts →
	Exact match “Cyberlift, l'excellence et l'engagement, au service de votre cybersécurité.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
14	Redopus	Exact match	Paris, FranceHQ recorded Sep 10, 2026	11-50	47 contacts →
	Exact match “Créé en 2017, REDOPUS est spécialisée en sécurité, réseaux des systèmes d'informations.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
15	DPO Consulting	Exact match	Paris, FranceHQ recorded Sep 10, 2026	11-50	43 contacts →
	Exact match “DPO Consulting est un cabinet de conseil spécialisé en protection des données, gouvernance de l’IA et cybersécurité.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
16	IDNA	Exact match	Paris, FranceHQ recorded Sep 10, 2026	11-50	42 contacts →
	Exact match “Cabinet de conseil à taille humaine spécialisé dans les infrastructures Datacenters, réseaux et sécurité.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
17	Setec IS	Exact match	Paris, FranceHQ recorded Sep 10, 2026	11-50	40 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
18	Feelagile	Exact match	Paris, FranceHQ recorded Sep 10, 2026	11-50	39 contacts →
	Exact match “FeelAgile est une start-up innovante spécialisée dans la conformité et la certification en cybersécurité.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
19	Løvell	Exact match	Paris, FranceHQ recorded Sep 10, 2026	11-50	37 contacts →
	Exact match “Qui sommes-nous?” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
20	ERIUM	Exact match	Paris, FranceHQ recorded Sep 10, 2026	51-200	37 contacts →
	Exact match “To be confident in your cyber defences, every person and technology must be confronted by reality.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
21	Atlantis	Exact match	Paris, FranceHQ recorded Sep 10, 2026	n/a	36 contacts →
	Exact match “Atlantis is an IT consulting company based in Paris, France.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
22	Kytl Security	Exact match	Paris, FranceHQ recorded Sep 10, 2026	11-50	35 contacts →
	Exact match “KYTL \| Spécialiste de la protection des données et des environnements critiques; Fondée par des experts en cybersécurité cumulant plus de 15 ans d’expérience, KYTL accompagne les…” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
23	ACG Cybersecurity	Exact match	Paris, FranceHQ recorded Sep 10, 2026	11-50	33 contacts →
	Exact match “ACG Cybersecurity est un cabinet d’Audit, de Conseil et de Gouvernance spécialisé en matière de Cybersécurité.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
24	Abakus Sécurité	Exact match	Paris, FranceHQ recorded Sep 10, 2026	11-50	33 contacts →
	Exact match “Expertise en cybersécurité - Abakus Sécurité vous accompagne sur l'ensemble du cycle de vie de vos projets en cybersécurité.” Recorded in the RevenueBase company graph · Sep 10, 2026 · View company records in RevenueBase
25	Randorisec	Exact match	Paris, FranceHQ recorded Sep 10, 2026	11-50	32 contacts →
	Exact match “Cybersecurity company founded by security experts providing the following services: Security audits, Vulnerability research, SecOps, SecArch and Trainings” Recorded in the RevenueBase company graph · Sep 10, 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 “cybersecurity consulting agencies”. 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 345 cybersecurity consulting agencies based in Paris, France

See the full list, filter by size, metro and specialty, and access 4,342 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Cybersecurity consulting agencies based in Paris, France at a glance

As of Sep 10, 2026

41.0%Verified-email coverage

1.9%Mobile-number coverage

30.7Average contacts per company

1-10Median size (employees)

Sep 10, 2026Page data refreshed

Companies by employee count

1-10

209

11-50

102

51-200

201-500

501-1,000

1,001-5,000

Freshness & accuracy

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

Email last verified

Median 12.0d

4,0020–30

32031–60

161–90

090–180

19180+

Company record updated

Median 51.0d

00–30

5,95131–60

3,25161–90

83790–180

563180+

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 Paris, France whose business descriptions match “cybersecurity consulting agencies” 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 4,342 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 10, 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.

Cybersecurity consulting agencies by metro in France

Cybersecurity consulting agencies in Lyon36

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 “cybersecurity consulting agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cybersecurity consulting agencies are there based in Paris, France?

RevenueBase identified 345 company matches for cybersecurity consulting agencies associated with Paris, 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?

SQUAD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in France has the most cybersecurity consulting agencies?

Paris leads France with 327 company records, followed by Lyon (36) and Toulouse (21).

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 4,342 professional contacts with verified work emails tracked across these 345 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 10, 2026.

Ready to reach these companies? Verified emails and direct dials for all 345 cybersecurity consulting agencies based in Paris, France. Start with a free account, no credit card.

Download this list →

Related lists

Cybersecurity consulting agencies by geography

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.