Company lists · Data refreshed September 2026
Top 25 Sales outsourcing call centers based in France
RevenueBase identified 275 sales outsourcing call centers headquartered in France as of September 2026 and tracks 10,065 professional contacts across them, including 975 with verified work emails. Paris is the largest hub.
This list covers sales outsourcing call centers 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 15, 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 sales outsourcing call centers based in France
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 15, 2026Thanks. The Data Team will review it. | |||||
| 2 | 395 contacts → | ||||
Indirect evidence “Tersea est le premier opérateur de centre de contact qui propose une solution originale et innovante et qui met tout son savoir faire à disposition de ses clients.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 3 | 328 contacts → | ||||
Partial 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 15, 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 15, 2026Thanks. The Data Team will review it. | |||||
| 5 | 250 contacts → | ||||
Indirect evidence “Vendez plus, vendez mieux avec Service Innovation Group France!” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 6 | 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 15, 2026Thanks. The Data Team will review it. | |||||
| 7 | 198 contacts → | ||||
Indirect evidence “Voxens est un centre d'appel multicanal intervenant sur des opérations de marketing téléphonique, en conquête, fidélisation, rétention et réactivation clients, B to B et B to C.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 8 | 186 contacts → | ||||
Indirect evidence “COMEARTH est un Centre d'externalisation de la Relation Client, B2B et B2C.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 9 | 168 contacts → | ||||
Indirect evidence “Faire de la relation client un levier majeur de valorisation de votre marque.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 10 | 154 contacts → | ||||
Indirect evidence “RMAsa est spécialisée dans les services d’externalisation de vos forces de vente, d’animations commerciales et merchandising depuis 1986.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 11 | 144 contacts → | ||||
Indirect evidence “Upsell assure la commercialisation des marques qui lui sont confiées auprès de l’ensemble des circuits de distribution.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 12 | 142 contacts → | ||||
Indirect evidence “UMANLINK CX SERVICES est l'allié digitalisé des Expériences Client Omnicanales uniques.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 13 | 113 contacts → | ||||
Partial evidence “Welcome to Sqwad, your outsourcing partner for customer relations, dedicated to exceptionally improving your customer service and business performance.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 14 | 82 contacts → | ||||
Indirect evidence “Notre métier?” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 15 | 82 contacts → | ||||
Indirect evidence “Eodom est un centre de contacts Multi-canal innovant par la relocalisation à domicile (Homeshoring), nous proposons une gestion de la relation client basée sur la qualité et la…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 16 | 65 contacts → | ||||
Indirect evidence “Centre d'appels basé à Paris, spécialisé en Service clients, Transformation de leads et Prospection en BtoB et BtoC, en français et en multilingue (Anglais, Espagnol, Italien…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 17 | 59 contacts → | ||||
Indirect evidence “Force Plus, leader des solutions commerciales externalisées pour l’industrie, vous propose son équipe spécialisée dans l’expertise.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 18 | 58 contacts → | ||||
Indirect evidence “Pro-Fyl Centre de Contacts Nous vous accompagnons dans votre prospection via des actions ciblées et adaptées à votre activité - Prise de RDV qualifiés - Fidélisation -…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 19 | 50 contacts → | ||||
Indirect evidence “Centre de Relation Clientèle : prise en charge des contacts téléphoniques, relation client dans l'habitat social, standard téléphonique, support utilisateur, hotline technique…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 20 | 45 contacts → | ||||
Indirect evidence “Télémaque, acteur majeur de la relation client en France Filiale du Groupe Pénélope, Télémaque est un centre de contact situé à proximité de Lorient (56), reconnu parmi les 6…” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 21 | 44 contacts → | ||||
Partial evidence “Distriplus is a major player in B2B outsourcing.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 22 | 43 contacts → | ||||
Indirect evidence “Anstel est le premier centre de contacts omnicanal dédié à la gestion des appels 24h/24 et 7j/7.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 23 | 42 contacts → | ||||
Partial evidence “Citizen Call accompagne les entreprises de service dans leur développement commercial, l’amélioration de leur expérience client et la connaissance de leurs marchés.” Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 24 | 42 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 15, 2026Thanks. The Data Team will review it. | |||||
| 25 | 38 contacts → | ||||
Indirect evidence “Seventic, acteur majeur du développement commercial à forte valeur ajoutée répond à vos besoins de croissance.” Source: RevenueBase Database · checked Sep 15, 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: sales outsourcing call centers. 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 sales outsourcing call centers.
- Partial evidence
- Its own public description names part of sales outsourcing call centers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name sales outsourcing call centers. 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 275 sales outsourcing call centers based in France
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Sales outsourcing call centers based in France at a glance
As of Sep 15, 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 275 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 sales outsourcing call centers, 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 “sales outsourcing call centers”. 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 sales outsourcing call centers), 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 sales outsourcing call centers, 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, 975 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 15, 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.
Sales outsourcing call centers by metro
- Sales outsourcing call centers in Paris50
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 sales outsourcing call centers, 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 sales outsourcing call centers are there based in France?
RevenueBase identified 275 sales outsourcing call centers 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 sales outsourcing call centers?
Paris leads with 50 headquartered companies, followed by Lyon (6) and Marseille (6).
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 975 verified decision-maker contacts tracked across these 275 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 15, 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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