Company lists · Data verified August 2026

Top 25 Api security companies based in France

Name: Api security companies based in France
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 213 companies tracked

There are 213 api security companies headquartered in France (RevenueBase, August 2026). RevenueBase tracks 3,058 professional contacts across them, including 832 with verified work emails and 57 with mobile numbers. Paris is the largest hub.

This list covers api security companies 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.

213Companies

3,058Contacts tracked

832Verified emails

57Mobile numbers

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The 25 largest api security companies based in France

Ranked by team size

Top 25 of 213 api security companies 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	I-Tracing	Courbevoie	1,001-5,000	643	394
2	own.security	Rennes	51-200	506	26
3	Quarkslab	Paris	51-200	94	45
4	CS In Cybersecurity	Le Plessis-Robinson	51-200	75	20
5	UBIKA	n/a	51-200	58	41
6	Kytl Security	Paris	11-50	34	4
7	Excube	Lyon	11-50	33	22
8	Bsecure	Paris	51-200	33	18
9	Cogiceo	Merle	11-50	32	12
10	Randorisec	Paris	11-50	31	18
11	ACE Service	Rouen	11-50	30	5
12	Cybermaker	Saint Cloud	11-50	26	12
13	Five Nines	Paris	11-50	26	11
14	Sec-It	Aix-En-Provence	11-50	26	11
15	NBS System	Champs-Sur-Marne	11-50	22	3
16	Bluetrusty	Boulogne-Billancourt	11-50	20	9
17	V6protect	Bordeaux	11-50	16	8
18	Intuity	Paris	11-50	16	7
19	Iparcus	Lille	11-50	15	11
20	u.neat	n/a	11-50	15	5
21	Allistic	Lille	11-50	15	3
22	Vaadata	Lyon	11-50	14	4
23	DND Agency	Paris	11-50	13	2
24	Skillx	Lille	11-50	11	3
25	Zero Trust SAS	Paris	11-50	10	7

Showing 25 of 213 api security companies based in France

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Api security companies based in France at a glance

As of Aug 28, 2026

1-10Median size (employees)

ParisLargest hub · 73 HQs

57Contacts with mobile numbers

6Emails re-verified in last 30 days

Companies by employee count

1-10

156

11-50

51-200

201-500

1,001-5,000

10001+

Api security companies by metro

Metro	Companies
Api security companies in Paris	73
Api security companies in Toulouse	8
Api security companies in Lyon	7
Api security companies in Lille	6
Api security companies in Bordeaux	5
Api security companies in Nantes	3
Api security companies in Courbevoie	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 “api security companies”, 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; 6 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 api security companies are there based in France?

There are 213 api security companies headquartered in France as of August 2026 (RevenueBase).

What is the largest company on this list?

I-Tracing, headquartered in Courbevoie, tops this list with the largest team on record.

Which city has the most api security companies?

Paris leads with 73 headquartered companies, followed by Toulouse (8) and Lyon (7).

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 832 verified decision-maker contacts tracked across these 213 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.