Company lists · Data refreshed September 2026

Top 25 Cyber security companies for financial services based in France

RevenueBase identified 140 cyber security companies for financial services headquartered in France as of September 2026 and tracks 1,539 professional contacts across them, including 254 with verified work emails. Paris is the largest hub.

This list covers cyber security companies for financial 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 28, 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 28, 2026 86% judged on-target in blind review
140Companies
1,539Contacts tracked
254Verified emails
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The 25 largest cyber security companies for financial services based in France

Ranked by team size
Top 25 of 140 cyber security companies for financial services based in France, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to cyber security companies for financial 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceParis, FranceHQ checked Sep 28, 202651-200506 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 28, 2026
2Indirect evidenceLe Plessis-robinson, FranceHQ checked Sep 28, 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 28, 2026
3Indirect evidenceSene, FranceHQ checked Sep 28, 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 28, 2026
4Indirect evidenceBagnolet, FranceHQ checked Sep 28, 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 28, 2026
5Indirect evidenceParis, FranceHQ checked Sep 28, 202611-5035 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 28, 2026
6Indirect evidenceLyon, FranceHQ checked Sep 28, 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 28, 2026
7Indirect evidenceLevallois-perret, FranceHQ checked Sep 28, 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 28, 2026
8Indirect evidenceParis, FranceHQ checked Sep 28, 202611-5025 contacts →

Indirect evidence

“Five Nines est née en 2019 d’un constat simple, celui d’un manque crucial de compétences et d’expérience dans la sécurisation de la transformation digitale des entreprises.”

Source: RevenueBase Database · checked Sep 28, 2026
9Indirect evidenceParis, FranceHQ checked Sep 28, 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 28, 2026
10Indirect evidenceParis-lyon-aix/marseille, FranceHQ checked Sep 28, 202611-5015 contacts →

Indirect evidence

“Nous veillons sur la sécurité de votre Système d’Information.”

Source: RevenueBase Database · checked Sep 28, 2026
11Indirect evidenceLyon, FranceHQ checked Sep 28, 202611-5014 contacts →

Indirect evidence

“We support organisations of all sizes and across all sectors with - penetration testing on all types of targets (web and mobile apps, infrastructure, networks, cloud, IoT, etc.)-…”

Source: RevenueBase Database · checked Sep 28, 2026
12Indirect evidenceLille, FranceHQ checked Sep 28, 202611-5014 contacts →

Indirect evidence

“QUI NOUS SOMMES Allistic est un cabinet de conseil en cybersécurité spécialisé dans l'accompagnement des retailers, acteurs de la santé et industriels.”

Source: RevenueBase Database · checked Sep 28, 2026
13Indirect evidenceParis, FranceHQ checked Sep 28, 202611-5013 contacts →

Indirect evidence

“Are we legion?”

Source: RevenueBase Database · checked Sep 28, 2026
14Indirect evidenceParis, FranceHQ checked Sep 28, 20261-1011 contacts →

Indirect evidence

“THIQA intervient comme un cabinet d’experts en CyberSécurité, spécialisés en intégration de solutions de sécurité.”

Source: RevenueBase Database · checked Sep 28, 2026
15Indirect evidenceCourbevoie, FranceHQ checked Sep 28, 202611-5011 contacts →

Indirect evidence

“L’accélération de la digitalisation a entraîné une collecte massive de données personnelles, incitant l’Europe à structurer un cadre réglementaire.”

Source: RevenueBase Database · checked Sep 28, 2026
16Indirect evidenceParis, FranceHQ checked Sep 28, 202611-5010 contacts →

Indirect evidence

“ZeroTrust fournit aux PME-ETI une protection totale de leurs actifs et de leurs données.”

Source: RevenueBase Database · checked Sep 28, 2026
17Indirect evidenceParis, FranceHQ checked Sep 28, 202611-5010 contacts →

Indirect evidence

“Our services- Pentest / cybersecurity audit - Red Team as a Service - CISO as a Service - Risk Assessment”

Source: RevenueBase Database · checked Sep 28, 2026
18Partial evidenceParis, FranceHQ checked Sep 28, 20261-1010 contacts →

Partial evidence

“Startup, VSE and SME specialists, at Cyber Experts, we build a solid digital rampart for your company, allowing it to strengthen itself against cyber attackers.”

Source: RevenueBase Database · checked Sep 28, 2026
19Partial evidenceParis, FranceHQ checked Sep 28, 202611-509 contacts →

Partial evidence

“For 10 years we have supported our clients in protecting their information assets: SIEM / SOC / SOAR; Threat Intelligence / UBA / IAM / API Security”

Source: RevenueBase Database · checked Sep 28, 2026
20Indirect evidenceSaint-étienne, FranceHQ checked Sep 28, 20261-107 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 28, 2026
21Indirect evidenceNeuilly-sur-seine, FranceHQ checked Sep 28, 202611-506 contacts →

Indirect evidence

“Pure-player du conseil en cybersécurité, gestion des risques IT et infrastructures, notre force se résume par la flexibilité et l’autonomie de notre structure au sein d’un groupe…”

Source: RevenueBase Database · checked Sep 28, 2026
22Partial evidencePuteaux, FranceHQ checked Sep 28, 20261-106 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 28, 2026
23Partial evidenceMarseille, FranceHQ checked Sep 28, 20261-105 contacts →

Partial evidence

“We Are Cyber est un cabinet de conseil pure-player du domaine de la cybersécurité.”

Source: RevenueBase Database · checked Sep 28, 2026
24Indirect evidenceBastia, FranceHQ checked Sep 28, 20261-105 contacts →

Indirect evidence

“CSM ne vous protège pas seulement contre les malwares et les rançongiciels : nous protégeons votre entreprise dans son ensemble et proposons des services et solutions de…”

Source: RevenueBase Database · checked Sep 28, 2026
25Indirect evidenceParis, FranceHQ checked Sep 28, 202611-504 contacts →

Indirect evidence

“Fondé et opérationnel depuis septembre 2023, PSSWRD est un cabinet de conseil pure-player en cybersécurité, réunissant des femmes et des hommes engagés autour de valeurs fortes …”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 140 cyber security companies for financial services based in France

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Cyber security companies for financial services based in France at a glance

As of Sep 28, 2026
16.5%Verified-email coverage
11.0Average contacts per company
1-10Median size (employees)
36.4%Largest-city concentration · Paris
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
100
11-50
32
51-200
7
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 140 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 cyber security companies for financial 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 “cyber security companies for financial 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 cyber security companies for financial 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 cyber security companies for financial 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, 254 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 28, 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.

Cyber security companies for financial services 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 cyber security companies for financial 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 cyber security companies for financial services are there based in France?

RevenueBase identified 140 cyber security companies for financial 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?

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

Which city has the most cyber security companies for financial services?

Paris leads with 51 headquartered companies, followed by Lyon (6) and Courbevoie (3).

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 254 verified decision-maker contacts tracked across these 140 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 28, 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.