Company lists · Data refreshed September 2026
Top 24 Network security system installers based in France
RevenueBase identified 420 network security system installers headquartered in France as of September 2026 and tracks 2,926 professional contacts across them, including 801 with verified work emails. Paris is the largest hub.
This list covers network security system installers 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 29, 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.
The 24 largest network security system installers based in France
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 457 contacts → | ||||
Indirect evidence “En tant qu’intégrateur ouvert de solutions de sûreté électroniques, nous vous accompagnons dans la protection de vos biens et personnes.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 191 contacts → | ||||
Partial evidence “STANLEY Security est devenu Securitas Technology en 2022.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 172 contacts → | ||||
Partial evidence “Depuis 1986, IVT Security s’adapte aux évolutions technologiques en matière de sécurité destinée aux professionnels.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 75 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 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 60 contacts → | ||||
Partial evidence “Spécialiste de la sécurité des biens et des personnes nous installons et maintenons tout système de sécurité électronique (Alarme Intrusion, Alarme Incendie, Vidéosurveillance…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 50 contacts → | ||||
Partial evidence “Découvrez notre nouveau site internet : iso-securite.fr Signes distinctifs - Qualité des équipes - Expertise technique, législative et normative - Certifications & agréments aux…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 47 contacts → | ||||
Partial evidence “Créé en 2017, REDOPUS est spécialisée en sécurité, réseaux des systèmes d'informations.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 46 contacts → | ||||
Partial evidence “ELSIA est un intégrateur spécialisé dans la conception, l'installation et la maintenance de systèmes de sécurité dédiés aux bâtiments - Sécurité incendie - Vidéo protection -…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 42 contacts → | ||||
Partial evidence “Intégrateur de systèmes de sécurité, nous proposons des installations d'alarme intrusion, alarme incendie, vidéo-protection et contrôle d'accès.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 36 contacts → | ||||
Indirect evidence “Voir, c’est savoir!” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 30 contacts → | ||||
Partial evidence “Fondée en 2001, ACE Service concentre son activité sur son savoir-faire : la sécurité des systèmes d'information.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 26 contacts → | ||||
Indirect evidence “Certilience, Votre sécurité informatique, notre priorité!” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 21 contacts → | ||||
Strong evidence “Depuis plus de 30 ans que AM SECURITE a développé son savoir-faire dans les systèmes de sécurité électroniques permettant d’offrir des prestations de protection pertinentes et…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 20 contacts → | ||||
Indirect evidence “Acteur national sur le marché des courants faibles et solutions de sûreté innovantes.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 18 contacts → | ||||
Indirect evidence “Trafic Transport Sûreté est un intégrateur de solutions globales de sûreté spécialisé en vidéoprotection, contrôle d'accès et anti-intrusion.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 17 contacts → | ||||
Strong evidence “Network, Security and Cyber Security Company” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 17 contacts → | ||||
Indirect evidence “Créé en 2018, la forte expertise de ses collaborateurs dans le domaine Réseaux et Sécurité des infrastructures en fait un partenaire privilégié dans l'accompagnement des clients…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 16 contacts → | ||||
Indirect evidence “ÉHO.LINK est une équipe de 25 personnes ancrée à Marseille.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 16 contacts → | ||||
Partial evidence “R2S société d’installation de systèmes de sécurité électronique depuis 1979, alarmes intrusion, vidéoprotection, Alarmes incendie, Alarmes de chantier, contrôle d’accès, PTI.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 16 contacts → | ||||
Partial evidence “Nous sommes spécialisés dans l’installation, la maintenance et le dépannage de systèmes de fermeture, de contrôle d’accès et de sécurité.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 15 contacts → | ||||
Partial evidence “Nous aidons les entreprises à sécuriser leurs actifs, tels que leurs applications web et leurs systèmes d'information, tout en renforçant la sécurité globale des organisations.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 15 contacts → | ||||
Partial evidence “Installation et maintenance de systèmes de sécurité : alarme, contrôle d’accès, vidéosurveillance et sécurité privée pour les entreprises et pour les chantiers.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 15 contacts → | ||||
Partial evidence “Installateur de systèmes de sécurité depuis 1998 Chez Protectys, nous sommes spécialisés dans l’installation et la maintenance de systèmes de sécurité dans toute la région Grand…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 14 contacts → | ||||
Indirect evidence “La société SN2O est née de l’association d’un ingénieur en réseaux informatiques, électrotechnique et d’un ingénieur expert en électronique et télécommunications.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: network security system installers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names network security system installers.
- Partial evidence
- Its own public description names part of network security system installers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name network security system installers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 24 of 420 network security system installers based in France
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Network security system installers based in France at a glance
As of Sep 29, 2026Companies by employee count
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 420 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 network security system installers, 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 “network security system installers”. 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 network security system installers), 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 network security system installers, 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, 801 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 29, 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.
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 network security system installers, 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 network security system installers are there based in France?
RevenueBase identified 420 network security system installers 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?
Eryma Security Systems, headquartered in Issy-Les-Moulineaux, tops this list with the largest team on record.
Which city has the most network security system installers?
Paris leads with 25 headquartered companies, followed by Lyon (5) and Nantes (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 801 verified decision-maker contacts tracked across these 420 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 29, 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.
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