Company lists · Data refreshed September 2026
Top 25 Professional outsourcing services based in France
RevenueBase identified 868 professional outsourcing services headquartered in France as of September 2026 and tracks 8,258 professional contacts across them, including 1,308 with verified work emails. Paris is the largest hub.
This list covers professional outsourcing services 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 professional outsourcing services based in France
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 887 contacts → | ||||
Partial evidence “Adecco Outsourcing propose aux entreprises des solutions d’externalisation dédiées à l’Accueil en entreprise, à l’Evènementiel, au Marketing terrain et aux activités de production…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 737 contacts → | ||||
Indirect evidence “Acteur historique de l’externalisation de la Relation Client, du Back-Office (BPO) et des Services Numériques & Informatiques, implanté en France et dans l’Océan Indien, à…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 490 contacts → | ||||
Indirect evidence “ITG is the leading company for employer of record services.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 306 contacts → | ||||
Indirect evidence “Teletech supports you in initiating or nurturing the relationship with your prospects / users / customers.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 198 contacts → | ||||
Indirect evidence “Acteur indépendant et audacieux de l'externalisation, OCEANCALL réinvente de nouvelles solutions souples, agiles et innovantes, pour vous accompagner dans la prise en charge de…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 193 contacts → | ||||
Indirect evidence “Umanlink Group, est un centre de services international qui accompagne les entreprises de toutes tailles dans l’externalisation de leurs projets, en proposant des solutions CX et…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 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. | |||||
| 8 | 142 contacts → | ||||
Indirect evidence “Nous proposons en externalisation toutes les compétences nécessaires à la gestion administrative et à l'administration des entreprises dans les conditions optimales de performance.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 136 contacts → | ||||
Indirect evidence “Insitu est spécialisée dans le Temps Partagé Premium.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 105 contacts → | ||||
Indirect evidence “JOURS DE PRINTEMPS est une entreprise implantée en Rhône-Alpes et dédiée à l’externalisation de services pour les entreprises.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 89 contacts → | ||||
Indirect evidence “Nexity Entreprises, une offre globale à destination des entreprises.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 82 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 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 82 contacts → | ||||
Indirect evidence “La Collab est une entreprise collective d’experts indépendants en marketing, communication, digital, commerce et RH, proposant leurs compétences de manière externalisée.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 74 contacts → | ||||
Indirect evidence “YourBO is a company specializing in outsourced management Back-Office since 2012.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 72 contacts → | ||||
Indirect evidence “EMARGENCE est un cabinet de conseil pluridisciplinaire dédié aux entreprises, aux organismes d’assurance, aux associations et aux dirigeants.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 72 contacts → | ||||
Indirect evidence “3H18 est leader en France dans l'externalisation des fonctions d'assistants et de managers en temps partagé et transition.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 59 contacts → | ||||
Indirect evidence “L'expertise comptable demeure le savoir-faire originel du Groupe Vingt-Six.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 52 contacts → | ||||
Indirect evidence “AGK est un cabinet couvrant l’ensemble de la chaîne de valeur administrative et financière, d’une startup, d’un grand groupe ou d’une PME.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 49 contacts → | ||||
Indirect evidence “Albert & Co : Solutions Achats C'est l’aventure de trois associés qui voulaient réaliser leurs rêves.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 49 contacts → | ||||
Indirect evidence “Créée en 2010, Ocordo compte 14 agences en France : Lille, Arras, Amiens, Reims, Strasbourg, Nantes, Bordeaux, Toulouse, Pau, Pessac, La Rochelle, Ploermel, Cholet et Vannes.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 49 contacts → | ||||
Indirect evidence “La Gestion sereine de votre Business Des experts à votre disposition et à votre écoute Notre expertise : Paie / Social / Administratif / Financier Conseil, Audit, Externalisation…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 47 contacts → | ||||
Indirect evidence “Purchases are strategic for each company, the stakes are high in a world where technology is changing, exchanges are globalised, operational excellence and reactivity are…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 45 contacts → | ||||
Indirect evidence “Depuis plus de 10 ans, Prium Portage est la référence en portage salarial, offrant aux freelances, consultants, formateurs, l’offre de services la plus complète pour gérer leur…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 44 contacts → | ||||
Partial evidence “Distriplus is a major player in B2B outsourcing.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 43 contacts → | ||||
Indirect evidence “Notre société est spécialisée dans le Conseil aux entreprises, aux collectivités et aux particuliers dans de nombreux domaines : La Comptabilité Il s'agit de notre coeur de…” 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: professional outsourcing services. 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 professional outsourcing services.
- Partial evidence
- Its own public description names part of professional outsourcing services, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name professional outsourcing services. 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 868 professional outsourcing services based in France
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Professional outsourcing services 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 868 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 professional outsourcing services, 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 “professional outsourcing services”. 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 professional outsourcing services), 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 professional outsourcing services, 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, 1,308 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.
Professional outsourcing services by metro
- Professional outsourcing services in Paris121
- Professional outsourcing services in Lyon32
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 professional outsourcing services, 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 professional outsourcing services are there based in France?
RevenueBase identified 868 professional outsourcing services 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?
Adecco Outsourcing, headquartered in Paris, tops this list with the largest team on record.
Which city has the most professional outsourcing services?
Paris leads with 121 headquartered companies, followed by Lyon (32) and Toulouse (18).
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 1,308 verified decision-maker contacts tracked across these 868 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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