Company lists · Data refreshed November 2026

Top 25 Data breach response consulting services based in Paris, France

RevenueBase identified 74 company matches for data breach response consulting services associated with Paris, France as of November 2026 and tracks 598 professional contacts across them, including 214 with verified work emails. Across France, Paris is the largest hub for this category.

This list covers company matches for data breach response consulting services 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 November 6, 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 Nov 6, 2026 How this list was built
74Companies
598Contacts tracked
214Verified emails
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The 25 largest data breach response consulting services based in Paris, France

Ranked by team size
Top 25 of 74 company matches for data breach response consulting services based in Paris, France, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchParis, FranceHQ recorded Nov 6, 202651-200129 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 · Nov 6, 2026 · View company records in RevenueBase
2Exact matchParis, FranceHQ recorded Nov 6, 202651-20067 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchParis, FranceHQ recorded Nov 6, 202611-5039 contacts →

Exact match

“Qui sommes-nous?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchParis, FranceHQ recorded Nov 6, 2026n/a39 contacts →

Exact match

“Arjuna est un cabinet conseil exclusivement dédié à la prévention et à la gestion de crise.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchParis, FranceHQ recorded Nov 6, 202611-5029 contacts →

Exact match

“Cabinet de conseil indépendant à taille humaine, nous aidons nos clients à maitriser leurs risques numériques sur les domaines : • Cybersécurité : prévenir, détecter et remédier…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchParis, FranceHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchParis, FranceHQ recorded Nov 6, 202651-20012 contacts →

Exact match

“As the main independent provider of cybersecurity and risk management consulting and technical expertise, Harmonie Technologie partners with key accounts (mainly from CAC40 and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchParis, FranceHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“CnC Expertise est un cabinet d’expertise en assurance spécialisé dans les réponses à incident cyber et l'expertise des sinistres liés aux technologies de l’information.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchParis, FranceHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“Cabinet d'expertise en CYBERSECURITE tourné vers l'avenir CONSULTING La gouvernance et la gestion des risques sont les bases de la sécurité de l’information au sein d’une…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchParis, FranceHQ recorded Nov 6, 20261-1011 contacts →

Exact match

“At OctiCode, cybersecurity is not just a service, it's our core mission.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchParis, FranceHQ recorded Nov 6, 20261-109 contacts →

Exact match

“Founded in February 2014, Internet of Trust is an independent security consulting company based in Paris and in Marseille area.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchParis, FranceHQ recorded Nov 6, 20261-109 contacts →

Exact match

“Fondée sur une expertise en sécurité des systèmes d’informations, SecuriTrust offre aux entreprises et aux administrations des prestations d’audits et de conseils avancés ainsi…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchParis, FranceHQ recorded Nov 6, 202611-508 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchParis, FranceHQ recorded Nov 6, 20261-108 contacts →

Exact match

“Phishia, cabinet de conseil fondé par des ingénieurs experts, accompagne les organisations privées et publiques dans la sécurisation de leurs systèmes d’information.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchParis, FranceHQ recorded Nov 6, 202611-507 contacts →

Exact match

“BlackBart est un cabinet de conseil en cybersécurité accompagnant les organisations publiques et privées dans la sécurisation de leurs environnements numériques et la maîtrise de…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchParis, FranceHQ recorded Nov 6, 202611-506 contacts →

Exact match

“Leviam est un cabinet de conseil spécialisé dans la cybersécurité.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchParis, FranceHQ recorded Nov 6, 202651-2006 contacts →

Exact match

“Maguen Cyber was created to provide its clients with the right security services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchParis, FranceHQ recorded Nov 6, 202611-505 contacts →

Exact match

“Datakori est un cabinet international situé à Paris ainsi qu‘à Abidjan et qui intervient sur la cybersécurité et toute la chaîne de valeur de la data.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchParis, FranceHQ recorded Nov 6, 202611-505 contacts →

Exact match

“Cybersécurité humaine & stratégique | Protection, confiance & résilience numérique | Sécurité, pédagogie & innovation au service des organisations | éé é à, ’.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchParis, FranceHQ recorded Nov 6, 202611-505 contacts →

Exact match

“Resilience is a State of Mind Élever la Cybersécurité des PME/ETI Resilium transforme votre cybersécurité en un atout puissant.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchParis, FranceHQ recorded Nov 6, 202611-504 contacts →

Exact match

“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 …”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchParis, FranceHQ recorded Nov 6, 202611-504 contacts →

Exact match

“Never in history has technological progress rushed as in the last 10 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchParis, FranceHQ recorded Nov 6, 20261-104 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchParis, FranceHQ recorded Nov 6, 20261-103 contacts →

Exact match

“WELAN est une société de conseil en cybersécurité qui accompagne les entreprises de toutes tailles désireuses de se protéger contre les menaces numériques croissantes.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchParis, FranceHQ recorded Nov 6, 20261-103 contacts →

Exact match

“EXPERTIS Lab est un cabinet de conseil et d'expertise indépendant, spécialisé dans la gestion de vos risques contentieux, la gestion de la preuve, le traitement des données…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 74 data breach response consulting services based in Paris, France

See the full list, filter by size, metro and specialty, and access 214 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Data breach response consulting services based in Paris, France at a glance

As of Nov 6, 2026
35.8%Verified-email coverage
8.1Average contacts per company
1-10Median size (employees)
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
47
11-50
21
51-200
6

Email recency for this list is measured across the whole France list rather than for Paris, so it is reported there. Company counts and contact totals on this page are exact for Paris, over 74 companies.

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 “data breach response consulting services” 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 214 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 November 6, 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.

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 “data breach response consulting services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many data breach response consulting services are there based in Paris, France?

RevenueBase identified 74 company matches for data breach response consulting services associated with Paris, France as of November 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?

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

Which city in France has the most data breach response consulting services?

Paris leads France with 74 company records, followed by Lyon (8) and Lille (5).

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 214 professional contacts with verified work emails tracked across these 74 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 November 6, 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 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.