Company lists · Data refreshed September 2026
Top 25 Outsourcing IT companies based in France
RevenueBase identified 534 outsourcing IT companies headquartered in France as of September 2026 and tracks 3,983 professional contacts across them, including 940 with verified work emails. Paris is the largest hub.
This list covers outsourcing IT 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 21, 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 outsourcing IT companies based in France
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 224 contacts → | ||||
Strong evidence “Cegedim Outsourcing, business unit Cegedim, est spécialisée dans deux domaines d'activité : IT et BPO.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 197 contacts → | ||||
Indirect evidence “We are a true product of innovation.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 162 contacts → | ||||
Indirect evidence “Support applicatif métier, support de proximité, centre de relation client, délégation illustrent le savoir-faire à forte valeur ajouté qu’ESDI délivre à ses clients.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 132 contacts → | ||||
Indirect evidence “Labsoft SSII accompagne des grands comptes régionaux et national ainsi que des PME PMI.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 127 contacts → | ||||
Indirect evidence “Scub est une société de service en informatique qui a pour but de fournir du conseil et de développer des applications spécifiques afin de résoudre vos problématiques les plus…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 97 contacts → | ||||
Indirect evidence “Bharti Soft Tech Pvt.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 94 contacts → | ||||
Indirect evidence “ELOSI est une société de services informatiques spécialisée dans la refonte de site internet, le e-commerce et la business intelligence.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 81 contacts → | ||||
Indirect evidence “EBS Group est une société spécialisée dans la gestion globale des services et équipements informatiques.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 69 contacts → | ||||
Indirect evidence “Attineos Infrastructures est une jeune ESN, spécialisée dans les Systèmes & Réseaux informatiques.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 61 contacts → | ||||
Indirect evidence “Créée en 1998, PROXIEL est une ESN - Entreprise de services numériques, une société française basée à Montpellier, Paris et Reims.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 59 contacts → | ||||
Indirect evidence “Les experts de la production informatique ADELIUS est une société de services et de prestations intellectuelles.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 45 contacts → | ||||
Indirect evidence “SpikeeLabs travaille auprès de ses clients sur la conception et la réalisation de leur système d’information.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 44 contacts → | ||||
Indirect evidence “Panda Services est une société de services spécialisée en délégation de compétences informatiques présente sur le marché depuis plus de 19 Ans Notre siège social est basé à…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 40 contacts → | ||||
Indirect evidence “Externaliser ses travaux de main d' œuvre chez Gestra, c'est nous confier la réalisation de travaux peu qualifiés en dehors de votre cœur de métier (conditionnement, travaux…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 29 contacts → | ||||
Partial evidence “Neotiq provides IT services, software development and data consulting.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 24 contacts → | ||||
Indirect evidence “Depuis plus de 15 ans, nos équipes œuvrent dans un but unique : Vous accompagner dans vos projets informatiques, des analyses et audit, à l’exploitation courante de votre SI, en…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 23 contacts → | ||||
Partial evidence “Since 1997, AXIS Solutions has developed around two activities: IT Development and Technical Support.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 22 contacts → | ||||
Indirect evidence “CYBERG est une ESN (SS2I) implantée en Auvergne Rhône-Alpes & composée de 35 talents.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 20 contacts → | ||||
Indirect evidence “MEG Digital est une ESN innovante qui combine expertise technologique, agilité business et culture entrepreneuriale pour accompagner les entreprises dans leurs projets digitaux…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 19 contacts → | ||||
Indirect evidence “Quodagis Managed Services assure un fonctionnement optimal des infrastructures informatiques depuis son centre de service à Aurillac, ou sur vos propres sites : Supporter les…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 19 contacts → | ||||
Indirect evidence “INESYS, c’est une équipe soudée d’ingénieurs et de techniciens partageant l’objectif d’apporter à votre entreprise bien plus qu’une simple prestation de service en informatique.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 18 contacts → | ||||
Indirect evidence “La transformation digitale est devenue un enjeu stratégique dans toutes les entreprises.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 18 contacts → | ||||
Indirect evidence “Nanoreseaux, créé en 2006, est majoritairement présente dans la région Occitanie.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 16 contacts → | ||||
Partial evidence “ONETECH CONSULTING is a computer software & IT Consulting company based of United States, India and Philippines” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 16 contacts → | ||||
Indirect evidence “Qui sommes nous?” Source: RevenueBase Database · checked Sep 21, 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: outsourcing IT 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 outsourcing IT companies.
- Partial evidence
- Its own public description names part of outsourcing IT companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name outsourcing IT 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 534 outsourcing IT companies based in France
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Outsourcing IT companies based in France at a glance
As of Sep 21, 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 534 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 outsourcing IT 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 “outsourcing IT 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 outsourcing IT 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 outsourcing IT 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, 940 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 21, 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.
Outsourcing IT companies by metro
- Outsourcing IT companies in Paris103
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 outsourcing IT 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 outsourcing IT companies are there based in France?
RevenueBase identified 534 outsourcing IT 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 outsourcing IT companies?
Paris leads with 103 headquartered companies, followed by Marseille (12) and Toulouse (12).
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 940 verified decision-maker contacts tracked across these 534 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 21, 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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