Company lists · Data refreshed September 2026

Top 25 IT operations outsourcing companies based in France

RevenueBase identified 149 IT operations outsourcing companies headquartered in France as of September 2026 and tracks 1,288 professional contacts across them, including 244 with verified work emails. Paris is the largest hub.

This list covers IT operations outsourcing 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 28, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review
149Companies
1,288Contacts tracked
244Verified emails
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The 25 largest IT operations outsourcing companies based in France

Ranked by team size
Top 25 of 149 IT operations outsourcing companies based in France, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to IT operations outsourcing companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Strong evidenceVélizy-villacoublay, FranceHQ checked Sep 28, 2026201-500224 contacts →

Strong evidence

“Cegedim Outsourcing, business unit Cegedim, est spécialisée dans deux domaines d'activité : IT et BPO.”

Source: RevenueBase Database · checked Sep 28, 2026
2Partial evidenceSaint-leu-la-forêt, FranceHQ checked Sep 28, 202651-20097 contacts →

Partial evidence

“We at HTS provide the modern day IT and network solutions to the enterprise markets through an extensive range of managed IT support services to its worldwide clientele.”

Source: RevenueBase Database · checked Sep 28, 2026
3Indirect evidenceSaint-malo, FranceHQ checked Sep 28, 2026501-1,00082 contacts →

Indirect evidence

“EDIIS propose un ensemble de services d'externalisation des process métiers autour du document et de la relation client.”

Source: RevenueBase Database · checked Sep 28, 2026
4Indirect evidenceNeuilly-sur-seine, FranceHQ checked Sep 28, 2026201-50059 contacts →

Indirect evidence

“Les experts de la production informatique ADELIUS est une société de services et de prestations intellectuelles.”

Source: RevenueBase Database · checked Sep 28, 2026
5Indirect evidenceNeuilly-sur-seine, FranceHQ checked Sep 28, 20261-1015 contacts →

Indirect evidence

“Service Informatique externalisé pour entreprises.”

Source: RevenueBase Database · checked Sep 28, 2026
6Indirect evidenceMontpellier, FranceHQ checked Sep 28, 202611-5013 contacts →

Indirect evidence

“Depuis 2007, SERVICES NETWORK ADMINISTRATION met son expérience et son professionnalisme à votre service pour toutes vos problématiques d’informatique.”

Source: RevenueBase Database · checked Sep 28, 2026
7Indirect evidenceParis, FranceHQ checked Sep 28, 202611-5013 contacts →

Indirect evidence

“Fondée en Netaxis est une société de service informatique spécialisée dans l'organisation et la mise en oeuvre de prestations de service offshore dans les domaines d'activité…”

Source: RevenueBase Database · checked Sep 28, 2026
8Strong evidenceToulouse, FranceHQ checked Sep 28, 202611-5013 contacts →

Strong evidence

“Vejes is an international operational and technical IT services company.”

Source: RevenueBase Database · checked Sep 28, 2026
9Indirect evidenceLanderneau, FranceHQ checked Sep 28, 202611-5012 contacts →

Indirect evidence

“LConnect, marque commerciale de la société LCenter, est une entreprise de services du numérique (ESN), implantée à Landerneau (29).”

Source: RevenueBase Database · checked Sep 28, 2026
10Indirect evidenceNozay, FranceHQ checked Sep 28, 202611-5012 contacts →

Indirect evidence

“ECIS assure l'externalisation de tout ou partie de vos services informatiques avec un haut niveau de qualité de services adapté à vos besoins; la disponibilité et l’optimisation…”

Source: RevenueBase Database · checked Sep 28, 2026
11Indirect evidenceIbos, FranceHQ checked Sep 28, 202611-5011 contacts →

Indirect evidence

“ANTHEA Informatique accompagne les entreprises dans la gestion, la sécurisation et l’évolution de leur système d’information.”

Source: RevenueBase Database · checked Sep 28, 2026
12Indirect evidenceDraguignan, FranceHQ checked Sep 28, 202611-5011 contacts →

Indirect evidence

“Nous accompagnons les PME, organisations et collectivités souhaitant se concentrer sur leur cœur de métier en confiant la gestion, l'exploitation, l'optimisation et…”

Source: RevenueBase Database · checked Sep 28, 2026
13Partial evidenceToulouse, FranceHQ checked Sep 28, 202651-20011 contacts →

Partial evidence

“The cost of implementation of your IT projects becomes important?”

Source: RevenueBase Database · checked Sep 28, 2026
14Indirect evidenceQuévert, FranceHQ checked Sep 28, 202611-5011 contacts →

Indirect evidence

“Infotec-pro est une société de services informatiques qui accompagne les entreprises disposant d’un parc de 10 à plus de 100 employés sur le Pays de Saint-Malo et alentours…”

Source: RevenueBase Database · checked Sep 28, 2026
15Indirect evidenceParis, FranceHQ checked Sep 28, 202611-5010 contacts →

Indirect evidence

“Chez F8 Conseil, on pilote l’infogérance côté client.”

Source: RevenueBase Database · checked Sep 28, 2026
16Indirect evidenceSaint-maurice, FranceHQ checked Sep 28, 20261-1010 contacts →

Indirect evidence

“Société de Service ayant pour objet l'externalisation de votre DSI.”

Source: RevenueBase Database · checked Sep 28, 2026
17Indirect evidenceCharnay Les Macon, FranceHQ checked Sep 28, 202611-509 contacts →

Indirect evidence

“Proxival propose des solutions innovantes d'infogérance globale de proximité pour les moyennes organisations : PME, Filiales de groupes internationaux, collectivités, etc.”

Source: RevenueBase Database · checked Sep 28, 2026
18Indirect evidenceJoué-les-tours, FranceHQ checked Sep 28, 20261-109 contacts →

Indirect evidence

“ACTÉVOLIS est une société de service informatique basée à Tours.”

Source: RevenueBase Database · checked Sep 28, 2026
19Indirect evidenceRis-orangis, FranceHQ checked Sep 28, 20261-109 contacts →

Indirect evidence

“Technoclic est une SSII offrant des services informatiques à destination des professionnels.”

Source: RevenueBase Database · checked Sep 28, 2026
20Indirect evidenceLevallois-perret, FranceHQ checked Sep 28, 202651-2009 contacts →

Indirect evidence

“est une ESN (entreprise de services numériques) spécialisée dans les métiers de la production et de l’exploitation informatique en environnements complexes et multi-OS (Open et…”

Source: RevenueBase Database · checked Sep 28, 2026
21Indirect evidenceLevallois Perret, FranceHQ checked Sep 28, 20261-108 contacts →

Indirect evidence

“Notre entreprise : Dotline est une société de services informatiques, créée en 2002, dédiée aux PME et TPE.”

Source: RevenueBase Database · checked Sep 28, 2026
22Indirect evidenceAnnecy-le-vieux, FranceHQ checked Sep 28, 202611-508 contacts →

Indirect evidence

“La société Wingü a été créée en 2013 avec pour objectif à moyen terme d’apporter une solution globale aux entreprises en matière de service informatique.”

Source: RevenueBase Database · checked Sep 28, 2026
23Indirect evidenceJaunay Marigny, FranceHQ checked Sep 28, 202611-507 contacts →

Indirect evidence

“Nous avons la solution à votre problème informatique!”

Source: RevenueBase Database · checked Sep 28, 2026
24Partial evidencePuteaux, FranceHQ checked Sep 28, 20261-107 contacts →

Partial evidence

“Forte de son expérience dans l'IT, l'équipe d'AGYTEK se charge de l'informatique de votre entreprise afin que vous puissiez vous recentrer sur votre métier.”

Source: RevenueBase Database · checked Sep 28, 2026
25Indirect evidenceTreillières, FranceHQ checked Sep 28, 202611-507 contacts →

Indirect evidence

“Nous apportons aux entreprises notre maitrise des services numériques pour leur permettre de déléguer tout ou partie de leur gestion informatique en accédant à des ressources…”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 149 IT operations outsourcing companies based in France

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IT operations outsourcing companies based in France at a glance

As of Sep 28, 2026
18.9%Verified-email coverage
8.6Average contacts per company
1-10Median size (employees)
22.1%Largest-city concentration · Paris
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
94
11-50
33
51-200
15
201-500
3
501-1,000
3

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 149 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 IT operations outsourcing 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 “IT operations outsourcing 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 IT operations outsourcing 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 IT operations outsourcing 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, 244 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 28, 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.

IT operations outsourcing companies by metro

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 IT operations outsourcing 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 IT operations outsourcing companies are there based in France?

RevenueBase identified 149 IT operations outsourcing 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?

Cegedim Outsourcing, headquartered in Velizy-Villacoublay, tops this list with the largest team on record.

Which city has the most IT operations outsourcing companies?

Paris leads with 33 headquartered companies, followed by Lyon (6) and Toulouse (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 244 verified decision-maker contacts tracked across these 149 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 28, 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.