Company lists · Data refreshed September 2026

Top 25 Outsourcing customer services based in France

RevenueBase identified 156 outsourcing customer services headquartered in France as of September 2026 and tracks 8,794 professional contacts across them, including 728 with verified work emails. Paris is the largest hub.

This list covers outsourcing customer 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 21, 2026 86% judged on-target in blind review
156Companies
8,794Contacts tracked
728Verified emails
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The 25 largest outsourcing customer services based in France

Ranked by team size
Top 25 of 156 outsourcing customer services based in France, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to outsourcing customer services: 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
1Indirect evidenceGennevilliers Cedex, FranceHQ checked Sep 21, 202610001+978 contacts →

Indirect evidence

“Expert de la relation client depuis 1996, b2s est le N°1 de l’externalisation de votre relation client en qualité délivrée.”

Source: RevenueBase Database · checked Sep 21, 2026
2Indirect evidenceParis, FranceHQ checked Sep 21, 20261,001-5,000964 contacts →

Indirect evidence

“Le Groupe VIPP propose des prestations de relation client et BPO au meilleur rapport qualité prix via ses implantations en Afrique subsaharienne et ses 3 collaborateurs.”

Source: RevenueBase Database · checked Sep 21, 2026
3Partial evidenceParis, FranceHQ checked Sep 21, 2026501-1,000887 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, 2026
4Strong evidenceParis, FranceHQ checked Sep 21, 20261,001-5,000328 contacts →

Strong evidence

“At Onepilot, we’re redefining Customer Support Outsourcing by blending cutting-edge AI, seamless tech integrations, and real human expertise.”

Source: RevenueBase Database · checked Sep 21, 2026
5Partial evidenceClichy, FranceHQ checked Sep 21, 2026201-500306 contacts →

Partial evidence

“Teletech supports you in initiating or nurturing the relationship with your prospects / users / customers.”

Source: RevenueBase Database · checked Sep 21, 2026
6Indirect evidenceAix-en-provence, FranceHQ checked Sep 21, 20261,001-5,000198 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, 2026
7Indirect evidenceOrsay, FranceHQ checked Sep 21, 2026201-500186 contacts →

Indirect evidence

“COMEARTH est un Centre d'externalisation de la Relation Client, B2B et B2C.”

Source: RevenueBase Database · checked Sep 21, 2026
8Indirect evidenceAbbeville, FranceHQ checked Sep 21, 2026501-1,000168 contacts →

Indirect evidence

“Faire de la relation client un levier majeur de valorisation de votre marque.”

Source: RevenueBase Database · checked Sep 21, 2026
9Indirect evidenceParis, FranceHQ checked Sep 21, 2026501-1,000142 contacts →

Indirect evidence

“UMANLINK CX SERVICES est l'allié digitalisé des Expériences Client Omnicanales uniques.”

Source: RevenueBase Database · checked Sep 21, 2026
10Indirect evidenceSaint-malo, FranceHQ checked Sep 21, 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 21, 2026
11Indirect evidenceSuresnes, FranceHQ checked Sep 21, 202651-20082 contacts →

Indirect evidence

“Notre métier?”

Source: RevenueBase Database · checked Sep 21, 2026
12Indirect evidenceParis, FranceHQ checked Sep 21, 202651-20045 contacts →

Indirect evidence

“Créée en 2014, nous comptons aujourd’hui plus de 120 clients en France et en Europe.”

Source: RevenueBase Database · checked Sep 21, 2026
13Partial evidenceMontrouge, FranceHQ checked Sep 21, 2026201-50044 contacts →

Partial evidence

“Distriplus is a major player in B2B outsourcing.”

Source: RevenueBase Database · checked Sep 21, 2026
14Indirect evidenceRaon L'étape, FranceHQ checked Sep 21, 2026201-50040 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, 2026
15Indirect evidenceDardilly, FranceHQ checked Sep 21, 2026201-50034 contacts →

Indirect evidence

“Qui sommes-nous?”

Source: RevenueBase Database · checked Sep 21, 2026
16Indirect evidenceMarseille, FranceHQ checked Sep 21, 202651-20032 contacts →

Indirect evidence

“Mars Marketing est un centre d’appels dédiés à la relation client.”

Source: RevenueBase Database · checked Sep 21, 2026
17Indirect evidenceSaint-herblain, FranceHQ checked Sep 21, 202611-5028 contacts →

Indirect evidence

“Conversens, le lien entre VOS clients et VOUS!”

Source: RevenueBase Database · checked Sep 21, 2026
18Partial evidenceGennevilliers, FranceHQ checked Sep 21, 2026n/a18 contacts →

Partial evidence

“Konecta est un acteur leader du Customer Management BPO présent dans 24 pays à travers 4 continents et fort de plus de 130 collaborateurs passionnés.”

Source: RevenueBase Database · checked Sep 21, 2026
19Indirect evidenceAvignon, FranceHQ checked Sep 21, 202611-5016 contacts →

Indirect evidence

“Notre mission ContactMedia est un centre de relation client omnicanale qui aide les entreprises à : • mieux gérer leurs contacts entrants, • développer leur activité commerciale…”

Source: RevenueBase Database · checked Sep 21, 2026
20Partial evidenceParis, FranceHQ checked Sep 21, 202651-20016 contacts →

Partial evidence

“Wecall offers call center services in various sectors of activity- e-commerce customer service - medical telesecretarial services - incoming/outgoing calls & back office for the…”

Source: RevenueBase Database · checked Sep 21, 2026
21Indirect evidenceBretteville Sur Odon, FranceHQ checked Sep 21, 20261-1013 contacts →

Indirect evidence

“Depuis plus de 20 ans, TFM s'engage à développer le business de ses partenaires en travaillant sur plusieurs axes - Standard externalisé : Nous mettons à votre service nos…”

Source: RevenueBase Database · checked Sep 21, 2026
22Indirect evidenceToulouse, FranceHQ checked Sep 21, 202611-5013 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
23Indirect evidenceSelles Saint Denis, FranceHQ checked Sep 21, 202611-5012 contacts →

Indirect evidence

“Prestataire de services pour le compte de votre entreprise, Atouts CALL est une véritable force supplétive à votre dispositif actuel.”

Source: RevenueBase Database · checked Sep 21, 2026
24Indirect evidenceBouaye, FranceHQ checked Sep 21, 202611-5011 contacts →

Indirect evidence

“Vous rencontrez des difficultés à obtenir des RDV prospects / clients?”

Source: RevenueBase Database · checked Sep 21, 2026
25Partial evidenceParis, FranceHQ checked Sep 21, 20261-1011 contacts →

Partial evidence

“We’ve created a new category between helpdesks and BPOs to provide flexible, bespoke customer care services powered by AI.”

Source: RevenueBase Database · checked Sep 21, 2026

Showing 25 of 156 outsourcing customer services based in France

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Outsourcing customer services based in France at a glance

As of Sep 21, 2026
8.3%Verified-email coverage
56.4Average contacts per company
11-50Median size (employees)
19.2%Largest-city concentration · Paris
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
63
11-50
42
51-200
18
201-500
13
501-1,000
9
1,001-5,000
7
10001+
4

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 156 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 customer 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 “outsourcing customer 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 outsourcing customer 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 outsourcing customer 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, 728 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 customer services by metro

  • Outsourcing customer services in Paris30

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 customer 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 outsourcing customer services are there based in France?

RevenueBase identified 156 outsourcing customer 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?

B2s Business Support Services, headquartered in Gennevilliers Cedex, tops this list with the largest team on record.

Which city has the most outsourcing customer services?

Paris leads with 30 headquartered companies, followed by Marseille (4) and Le Mans (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 728 verified decision-maker contacts tracked across these 156 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.