Company lists · Data verified August 2026

Top 24 Cybersecurity research centers based in France

Name: Cybersecurity research centers based in France
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 121 companies tracked

There are 121 cybersecurity research centers headquartered in France (RevenueBase, August 2026). RevenueBase tracks 1,708 professional contacts across them, including 284 with verified work emails and 47 with mobile numbers. Paris is the largest hub.

This list covers cybersecurity research centers headquartered in France, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

121Companies

1,708Contacts tracked

284Verified emails

47Mobile numbers

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The 24 largest cybersecurity research centers based in France

Ranked by team size

Top 24 of 121 cybersecurity research centers based in France, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Filigran	Paris	201-500	167	109
2	LORIA	Vandoeuvre-Les-Nancy	201-500	142	5
3	Campus Cyber	Puteaux	11-50	55	24
4	ERIUM	n/a	51-200	38	15
5	ACE Service	Rouen	11-50	30	5
6	protected.eu	Paris	51-200	29	19
7	Cyberdian Groupe	n/a	11-50	26	4
8	Cresco Cybersecurity	Montigny-Le-Bretonneux	11-50	19	11
9	Diateam	Brest	11-50	16	7
10	STEEF	Paris	11-50	12	5
11	Cyberschool	Rennes	1-10	12	4
12	ESD Academy	Paris	11-50	12	2
13	KOR Labs	Saint-Martin-Dheres	1-10	8	6
14	Leviam	Paris	11-50	5	5
15	WELAN	Paris	1-10	4	4
16	Akaoma	Les Vallois Jouy Sur Eure	1-10	4	2
17	Tales Of Security	Vannes	1-10	4	1
18	Cyber-Way By Crédit Agricole Alpes Provence	Aix-En-Provence	1-10	3	3
19	Novastill	Paris	1-10	3	3
20	Csirt Cybercorsica	Ajaccio	1-10	3	2
21	Limbersecurity	Neuilly-Sur-Seine	1-10	3	1
22	HUCY	Les Essarts	1-10	2	2
23	DEVUP	Paris	1-10	2	1
24	Encelis	Paris	1-10	1	1

Showing 24 of 121 cybersecurity research centers based in France

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Cybersecurity research centers based in France at a glance

As of Aug 28, 2026

1-10Median size (employees)

ParisLargest hub · 40 HQs

47Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

10001+

Cybersecurity research centers by metro

Metro	Companies
Cybersecurity research centers in Paris	40
Cybersecurity research centers in Lille	4
Cybersecurity research centers in Rennes	4
Cybersecurity research centers in Cesson-Sevigne	4
Cybersecurity research centers in Toulouse	4
Cybersecurity research centers in Lyon	3
Cybersecurity research centers in Orleans	3

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “cybersecurity research centers”, with match quality audited by blind human judging, and headquartered in France.
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: Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many cybersecurity research centers are there based in France?

There are 121 cybersecurity research centers headquartered in France as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most cybersecurity research centers?

Paris leads with 40 headquartered companies, followed by Lille (4) and Rennes (4).

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 284 verified decision-maker contacts tracked across these 121 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.