Company lists · Data verified August 2026

Top 25 Application security consulting firms based in Paris, France

Name: Application security consulting firms based in Paris, France
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 82 companies tracked

There are 82 application security consulting firms headquartered in Paris, France (RevenueBase, August 2026). RevenueBase tracks 464 professional contacts across them, including 166 with verified work emails and 12 with mobile numbers. Paris is the largest hub.

This list covers application security consulting firms headquartered in Paris, 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.

82Companies

464Contacts tracked

166Verified emails

12Mobile numbers

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The 25 largest application security consulting firms based in Paris, France

Ranked by team size

Top 25 of 82 application security consulting firms based in Paris, 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	LEXFO	Paris	51-200	65	40
2	Atlantis	Paris	n/a	36	1
3	Bsecure	Paris	51-200	33	18
4	Randorisec	Paris	11-50	31	18
5	Cybersel Group	Paris	11-50	27	18
6	Marte Conseil	Paris	11-50	18	8
7	Intuity	Paris	11-50	16	7
8	Kamea Security	Paris	11-50	10	2
9	Cyber Experts	Paris	1-10	10	2
10	Tilencia	Paris	11-50	9	1
11	Trustable	Paris	11-50	8	6
12	Internet Of Trust	Paris	1-10	8	4
13	Blackbart	Paris	11-50	7	3
14	Reciproc-It	Paris	1-10	7	2
15	Stelau Conseil	Paris	1-10	6	4
16	Maguen Cyber	Paris	51-200	6	2
17	Leviam	Paris	11-50	5	5
18	CTO And CO LTD	Paris	1-10	5	2
19	Psswrd	Paris	11-50	4	4
20	WELAN	Paris	1-10	4	4
21	Trackflaw	Paris	1-10	4	2
22	MA Cyber	Paris	1-10	3	2
23	VIVAT	Paris	11-50	3	1
24	Safekeep LLC	Paris	1-10	3	1
25	Caeirus	Paris	1-10	3	1

Showing 25 of 82 application security consulting firms based in Paris, France

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Application security consulting firms based in Paris, France at a glance

As of Aug 28, 2026

1-10Median size (employees)

ParisLargest hub · 82 HQs

12Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Application security consulting firms by metro in France

Metro	Companies
Application security consulting firms in Paris	82
Application security consulting firms in Lyon	11
Application security consulting firms in Toulouse	9
Application security consulting firms in Lille	7
Application security consulting firms in Bordeaux	5
Application security consulting firms in Boulogne-Billancourt	4
Application security consulting firms in Rennes	4

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 “application security consulting firms”, with match quality audited by blind human judging, and headquartered in Paris, 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; 1 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 application security consulting firms are there based in Paris, France?

There are 82 application security consulting firms headquartered in Paris, France as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most application security consulting firms?

Paris leads with 82 headquartered companies, followed by Lyon (11) and Toulouse (9).

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 166 verified decision-maker contacts tracked across these 82 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.