Company lists · Data refreshed September 2026
Top 25 Telecom managed security companies based in France
RevenueBase identified 204 telecom managed security companies headquartered in France as of September 2026 and tracks 19,668 professional contacts across them, including 2,222 with verified work emails. Paris is the largest hub.
This list covers telecom managed security companies 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 25 largest telecom managed security companies based in France
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 433 contacts → | ||||
Partial evidence “Opérateur de services managés, expert en télécoms et cybersécurité, Linkt accompagne les ETI, les grands comptes et les collectivités dans la performance et la sécurisation de…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 356 contacts → | ||||
Indirect evidence “Spécialiste de la télésurveillance, des systèmes d’alarmes et de la téléassistance depuis près de 40 ans, Nexecur s'engage pour votre sécurité en s'appuyant sur l'expérience et la…” 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 | 144 contacts → | ||||
Partial evidence “Créée en Juin 2002, Services Network Security est spécialisée dans la sécurisation des passerelles internet et dans les interconnexions VPN.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 117 contacts → | ||||
Partial evidence “Après de nombreuses années de présence à vos côtés sous le nom 1913, notre marque évolue pour devenir ALLEO de Bouygues Telecom.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 101 contacts → | ||||
Indirect evidence “Offering you the best of SFR Business.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 52 contacts → | ||||
Indirect evidence “À propos de SYSDREAM : Fondée il y a plus de 20 ans, Sysdream, filiale Cybersécurité du Groupe Hub One, propose aux comptes publics et privés une offre globale de solutions…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 51 contacts → | ||||
Indirect evidence “COPWELL, Votre DSI externalisée en Île‑de‑France pour PME & TPE exigeantes.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 49 contacts → | ||||
Indirect evidence “Le groupe Sérénité 24H24, Proche et à l’écoute de ses clients dans toute la France y compris les territoires d’Outre-mer ainsi que les pays Européens limitrophes.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 47 contacts → | ||||
Indirect 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. | |||||
| 11 | 33 contacts → | ||||
Partial evidence “SmartCIC is a global managed services provider based in Cannes it is incorporated in France and Spain.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 31 contacts → | ||||
Indirect evidence “Depuis sa création en 1998, l’ambition du groupe Global Concept est d’apporter des solutions globales et adaptées aux spécificités des métiers de nos clients.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 29 contacts → | ||||
Indirect evidence “We provide services and technologies to identify, detect and recover from critical threats and vulnerabilities on signalling protocols like SS7/SIGTRAN, Diameter, GPRS/GTP, IMS…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 25 contacts → | ||||
Indirect evidence “Apo’g, c’est le partenaire incontournable des TPE-PME depuis plus de 20 ans!” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 25 contacts → | ||||
Indirect evidence “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.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 22 contacts → | ||||
Indirect evidence “Alp'com est une filiale d'Access Group (depuis 2013) qui existe depuis 1992 proche de ses clients en Rhône-Alpes et à leurs côtés partout en France (Fillinges (siège), Annecy…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 21 contacts → | ||||
Indirect evidence “Depuis 1992, l’Européenne de Communication et de Service est une entreprise alsacienne présente sur les marchés des solutions de télécommunication et de sécurité pour vous…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 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. | |||||
| 19 | 19 contacts → | ||||
Indirect evidence “Filiale du groupe Eiffage, spécialisée dans 6 axes métiers - Télécommunication et Opérateur téléphonique - Les réseaux informatiques et Sécurité réseau - La protection des biens…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 19 contacts → | ||||
Indirect evidence “L’entreprise Antenne existe depuis plus de 45 ans dans le département de l’Allier.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 18 contacts → | ||||
Indirect evidence “Un expert en sécurité informatique situé à l’Ouest de Paris, dans les Yvelines (78), à proximité de Versailles, accompagne les PME et TPE en Île-de-France et partout en France…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 17 contacts → | ||||
Partial evidence “Network, Security and Cyber Security Company” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 17 contacts → | ||||
Indirect evidence “Sec-Cure est la marque commerciale de DC Communication.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 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. | |||||
| 25 | 15 contacts → | ||||
Partial evidence “Alfabet Group est une entreprise qui propose des services managés de la surveillance des évènements en cybersécurité et accompagne les Grand comptes et les entreprises de taille…” 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: telecom managed security companies. 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 telecom managed security companies.
- Partial evidence
- Its own public description names part of telecom managed security companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name telecom managed security companies. 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 25 of 204 telecom managed security companies based in France
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Telecom managed security companies 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 204 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 telecom managed security companies, 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 “telecom managed security companies”. 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 telecom managed security companies), 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 telecom managed security companies, 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, 2,222 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 telecom managed security companies, 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 telecom managed security companies are there based in France?
RevenueBase identified 204 telecom managed security companies 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?
LINKT, headquartered in Puteaux, tops this list with the largest team on record.
Which city has the most telecom managed security companies?
Paris leads with 17 headquartered companies, followed by Caen (3) and Courbevoie (3).
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 2,222 verified decision-maker contacts tracked across these 204 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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