Company lists · Data refreshed September 2026
Top 25 Accounting back office outsourcing companies based in France
RevenueBase identified 394 accounting back office outsourcing companies headquartered in France as of September 2026 and tracks 2,651 professional contacts across them, including 661 with verified work emails. Paris is the largest hub.
This list covers accounting back office outsourcing 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 accounting back office outsourcing companies based in France
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 179 contacts → | ||||
Indirect evidence “Ad Astra by In Extenso est le cabinet de conseil et d'expertise-comptable dédié aux grands comptes du groupe In Extenso.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 177 contacts → | ||||
Indirect evidence “AFE est un cabinet d'expertise comptable accompagnant au quotidien les entreprises et leurs dirigeants sur l'ensemble de leurs besoins.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 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. | |||||
| 4 | 84 contacts → | ||||
Indirect evidence “Créé en 2006, CPE SOLUTIONS propose aux cabinets d’expertise comptable une gamme de services personnalisés d’externalisation de saisie comptable pour soutenir leur activité.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 74 contacts → | ||||
Strong 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. | |||||
| 6 | 63 contacts → | ||||
Partial evidence “ATRIOM specializes in consolidation, IFRS, evaluation, audit, accounting, tax and advisory services.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 56 contacts → | ||||
Indirect evidence “Le Cabinet Saadi est un cabinet d'expertise comptable et de commissariat aux comptes proposant notamment des services de gestion comptable, de conseil, d'audit, d'externalisation…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 52 contacts → | ||||
Indirect evidence “ICS : Bien plus qu’un Expert-Comptable Fondé en 1977, ICS est un cabinet d'expertise comptable reconnu pour son sérieux, son professionnalisme et son engagement à fournir des…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 23 contacts → | ||||
Indirect evidence “ABICE Expertise Comptable est né il y a plus de 20 ans.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 20 contacts → | ||||
Indirect evidence “Hopetimiz est un cabinet d'externalisation spécialisé en comptabilité.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 18 contacts → | ||||
Partial evidence “EXTEND PARIS is an accounting company based out of 13 RUE WASHINGTON, PARIS, France.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 17 contacts → | ||||
Partial evidence “Affirma is an accounting and audit firm that offers its customers a full range of accounting services from book-keeping and preparation of payroll sheets to statutory audit…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 15 contacts → | ||||
Indirect evidence “Services Administratifs et Financiers Externalisés” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 14 contacts → | ||||
Indirect evidence “Le Cabinet AGECOMA, Eric Pariset (Expert Comptable) et l'ensemble des collaborateurs, vous accompagne dans la vie de votre entreprise, vous conseille, valide votre comptabilité…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 14 contacts → | ||||
Partial evidence “LINKEXPERTISES is an accounting company based out of 68 T AVENUE HENRI BARBUSSE, TREMBLAY EN FRANCE, France.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 14 contacts → | ||||
Indirect evidence “Vous êtes débordé!” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 13 contacts → | ||||
Partial evidence “AE Experts is a modern and growing accounting firm based in Levallois-Perret, near Paris.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 12 contacts → | ||||
Indirect evidence “Depuis 2017, T'inquiète On Gère!” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 11 contacts → | ||||
Indirect evidence “Solygec, cabinet d'expert comptable, audit et expertise comptable, propose divers services pour votre comptabilité et plus : fiche de paie, fiscalité, bilan.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 11 contacts → | ||||
Indirect evidence “Structurée à taille humaine pour plus de proximité et de réactivité, JLA Expertise axe son développement auprès de tous les chefs d’entreprise, qui, au-delà de la bonne tenue de…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 10 contacts → | ||||
Indirect evidence “La Fiduciaire de Franche-Comté est un cabinet d'expertise-comptable et de commissariat aux comptes.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 10 contacts → | ||||
Indirect evidence “De la tenue de vos comptes à l’optimisation de votre fiscalité, en passant par la gestion de vos paies ou de vos obligations légales, le Cabinet DA CONSEILS peut vous assister…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 10 contacts → | ||||
Partial evidence “AS CEFIGAM 57 is an accounting company based out of 34 AV ANDRE MALRAUX, Metz, Grandest, France.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 9 contacts → | ||||
Indirect evidence “SIGOT Expertise & Conseil est un cabinet d'expertise comptable qui accompagne les dirigeants avec proximité, engagement et sens du service.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 9 contacts → | ||||
Indirect evidence “Votre Partenaire Expert en Chiffres à Arras Situé au cœur d'Arras, 2G EXPERTS est votre cabinet d'expertise comptable de proximité, dédié à accompagner les entreprises et les…” 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: accounting back office outsourcing 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 accounting back office outsourcing companies.
- Partial evidence
- Its own public description names part of accounting back office outsourcing companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name accounting back office outsourcing 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 394 accounting back office outsourcing companies based in France
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Accounting back office outsourcing 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 394 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 accounting back office outsourcing 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 “accounting back office outsourcing 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 accounting back office outsourcing 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 accounting back office outsourcing 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, 661 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.
Accounting back office outsourcing companies by metro
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 accounting back office outsourcing 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 accounting back office outsourcing companies are there based in France?
RevenueBase identified 394 accounting back office outsourcing 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?
AD Astra By In Extenso, headquartered in Paris, tops this list with the largest team on record.
Which city has the most accounting back office outsourcing companies?
Paris leads with 70 headquartered companies, followed by Lyon (10) and Marseille (7).
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 661 verified decision-maker contacts tracked across these 394 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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