Company lists · Data refreshed September 2026

Top 25 Professional services outsourcing companies based in France

RevenueBase identified 338 company matches for professional services outsourcing companies associated with France as of September 2026 and tracks 4,800 professional contacts across them, including 1,619 with verified work emails. Paris is the largest hub.

This list covers company matches for professional services outsourcing companies associated with France, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 29, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Sep 29, 2026 How this list was built
338Companies
4,800Contacts tracked
1,619Verified emails
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The 25 largest professional services outsourcing companies based in France

Ranked by team size
Top 25 of 338 company matches for professional services outsourcing companies based in France, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSaint-doulchard, FranceHQ recorded Sep 29, 20261,001-5,0001,051 contacts →

Exact match

“Une vision augmentée du conseil au service de votre réussite.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2Exact matchParis, FranceHQ recorded Sep 29, 2026501-1,000887 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3Exact matchBoulogne-billancourt, FranceHQ recorded Sep 29, 2026501-1,000237 contacts →

Exact match

“MEOGROUP combine conseil, renfort opérationnel et développement des compétences pour accompagner les transformations de ses clients et renforcer durablement leur compétitivité.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchPujols, FranceHQ recorded Sep 29, 20261,001-5,000210 contacts →

Exact match

“Acom Expertise s’engage aux côtés de ses équipes et des dirigeants et dirigeantes d’entreprises pour transformer chaque projet en succès durable.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchParis - Lyon - Bruxelles - Hambourg, FranceHQ recorded Sep 29, 202651-200188 contacts →

Exact match

“Advolis, a Paris based firm that specialises in auditing and business consulting and Orfis, a Lyon firm that provides auditing, consultancy and corporate services, merged in April…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchLyon, FranceHQ recorded Sep 29, 2026201-500142 contacts →

Exact match

“Nous proposons en externalisation toutes les compétences nécessaires à la gestion administrative et à l'administration des entreprises dans les conditions optimales de performance.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchLons, FranceHQ recorded Sep 29, 202651-200136 contacts →

Exact match

“Insitu est spécialisée dans le Temps Partagé Premium.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchSaint-malo, FranceHQ recorded Sep 29, 2026501-1,00082 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchQuimper, FranceHQ recorded Sep 29, 2026201-50081 contacts →

Exact match

“Le Groupe Gorioux propose une offre globale de services et de conseils dans les domaines de l’audit, du conseil, de l’expertise comptable, du droit des affaires, de la gestion…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchNanterre, FranceHQ recorded Sep 29, 202651-20076 contacts →

Exact match

“HLI enables business transformation for our customers through innovative solutions to improve their performance and revenue- 30 Years of experience - 130 people through several…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchParis, FranceHQ recorded Sep 29, 202651-20074 contacts →

Exact match

“YourBO is a company specializing in outsourced management Back-Office since 2012.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchSaint-germain-en-laye, FranceHQ recorded Sep 29, 2026201-50072 contacts →

Exact match

“3H18 est leader en France dans l'externalisation des fonctions d'assistants et de managers en temps partagé et transition.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchValence, FranceHQ recorded Sep 29, 202651-20059 contacts →

Exact match

“L'expertise comptable demeure le savoir-faire originel du Groupe Vingt-Six.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchLa Grande-motte, FranceHQ recorded Sep 29, 2026n/a49 contacts →

Exact match

“La Gestion sereine de votre Business Des experts à votre disposition et à votre écoute Notre expertise : Paie / Social / Administratif / Financier Conseil, Audit, Externalisation…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchLyon, FranceHQ recorded Sep 29, 2026201-50047 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchCarcassone, FranceHQ recorded Sep 29, 202611-5029 contacts →

Exact match

“Accompagnateur et partenaire du développement des entreprises, nous mettons tout en œuvre pour améliorer la performance de votre entreprise et accroître l’efficacité de sa gestion.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchFranceHQ recorded Sep 29, 202611-5025 contacts →

Exact match

“ISP Group est le spécialiste de l'externalisation achats et tâches administratives depuis sa création en 2003.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchSaint-cloud, FranceHQ recorded Sep 29, 202611-5023 contacts →

Exact match

“Jeune société en pleine dynamique de croissance, nous sommes soucieux d'accompagner nos clients tout au long de leurs projets informatiques, que ce soit leur gestation, leur…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchSt Andre De Cubzac, FranceHQ recorded Sep 29, 202611-5020 contacts →

Exact match

“G.B.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchLevallois-perret, FranceHQ recorded Sep 29, 202651-20019 contacts →

Exact match

“Nos offres de portage commercial, sourcing, MSP & conseil achat permettent aux grands groupes d'élargir leur panel de compétences, de rationaliser et réduire le coût de traitement…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchPoisy, FranceHQ recorded Sep 29, 202611-5017 contacts →

Exact match

“Parce que nous aimons le cuir qui se patine et les traces du temps qui passe, mais que nous avons aussi un côté geek.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchBègles, FranceHQ recorded Sep 29, 202611-5017 contacts →

Exact match

“Le cabinet Partexia vous accompagne tout au long de la vie de votre entreprise à travers différents pôles de compétences - Comptabilité & fiscalité - Audit - Conseil - Juridique -…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchBoulogne-billancourt, FranceHQ recorded Sep 29, 202611-5016 contacts →

Exact match

“Essentiellement tournée vers les entreprises de taille moyenne (y compris cotées en bourse), notre équipe, grâce à ses compétences pluridisciplinaires, a pour vocation de…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchValence, FranceHQ recorded Sep 29, 20261-1015 contacts →

Exact match

“Services Administratifs et Financiers Externalisés”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchBeaucouzé, FranceHQ recorded Sep 29, 20261-1014 contacts →

Exact match

“Vous êtes débordé!”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 338 professional services outsourcing companies based in France

See the full list, filter by size, metro and specialty, and access 1,619 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Professional services outsourcing companies based in France at a glance

As of Sep 29, 2026
33.7%Verified-email coverage
14.2Average contacts per company
1-10Median size (employees)
20.1%Largest-city concentration · Paris
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
240
11-50
60
51-200
22
201-500
5
501-1,000
4
1,001-5,000
2

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 338 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with France whose business descriptions match “professional services outsourcing companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 1,619 professional contacts with verified work emails across the full matched dataset. 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 29, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Professional services outsourcing companies by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “professional services outsourcing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many professional services outsourcing companies are there based in France?

RevenueBase identified 338 company matches for professional services outsourcing companies associated with France as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

COGEP tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most professional services outsourcing companies?

Paris leads with 68 company records, followed by Lyon (12) and Marseille (6).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,619 professional contacts with verified work emails tracked across these 338 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 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 SmartSearch, 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.