Company lists · Data refreshed September 2026
Top 25 Big 5 audit firms based in Paris, France
RevenueBase identified 329 big 5 audit firms headquartered in Paris, France as of September 2026 and tracks 10,113 professional contacts across them, including 3,986 with verified work emails. Paris is the largest hub.
This list covers big 5 audit firms headquartered in Paris, 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 big 5 audit firms based in Paris, France
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,337 contacts → | ||||
Partial evidence “BDO, 5ème réseau mondial d’audit et de conseil, est présent dans 135 pays et regroupe près de 48 800 personnes.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,330 contacts → | ||||
Partial evidence “RSM en France, membre de RSM International, 6ème réseau international d'audit, expertise comptable et conseil, c'est 18 implantations dans les principaux pôles régionaux et près…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 1,005 contacts → | ||||
Partial evidence “Exco est un réseau d’expertise comptable et d’audit classé dans le top 10 des réseaux pluridisciplinaires en France.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 765 contacts → | ||||
Indirect evidence “Ensemble, changeons la donne.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 436 contacts → | ||||
Partial evidence “Nexia S&A, acteur de l’audit et du conseil, apporte des solutions pertinentes à ses clients dans les domaines comptables et financiers et les accompagne pour les mettre en œuvre.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 374 contacts → | ||||
Indirect evidence “Exponens is an independent group providing public accounting expertise, consultancy and auditing, with more than 300 employees, based in 9 offices in the Ile-de-France region.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 345 contacts → | ||||
Partial evidence “Based in Paris, Lyon, Rennes, Le Havre, Toulouse, Aix en Provence, Casablanca, London and New York, BM & A is an independent and international group positioned on the audit and…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 240 contacts → | ||||
Partial evidence “Dba is an audit, certified accounting and consulting group that associates skills and solutions to support senior management, finance and HR divisions in the achievement of their…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 128 contacts → | ||||
Indirect evidence “With 150 ACLers – including 16 certified professionals and 8 partners – we support over clients across tech, services, and industry.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 120 contacts → | ||||
Indirect evidence “Created in 1978, Caderas Martin operates expressly as a generalist firm.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 117 contacts → | ||||
Partial evidence “Talenz Audit accompagne les acteurs économiques, entreprises et organisations, dans leurs relations économiques, dans l’analyse de la fiabilité de leurs données financières, et…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 106 contacts → | ||||
Partial evidence “Jégard Créatis est un groupe d'expertise comptable, d'audit, de conseil et de formation aux entreprises.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 103 contacts → | ||||
Indirect evidence “CECCA, c’est le cabinet d’expertise comptable booster d’entrepreneurs!” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 82 contacts → | ||||
Partial evidence “Saint-Honoré Partenaires est un cabinet d’audit, d’expertise comptable et de conseil en finance d’entreprise.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 63 contacts → | ||||
Indirect evidence “Notre ambition : être proche de vous pour vous accompagner à tous les stades de votre développement, en apportant valeur ajoutée, expertise et réactivité.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 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. | |||||
| 17 | 60 contacts → | ||||
Indirect evidence “En décembre 2025, Cofigex s’est rapproché de Baker Tilly, Groupe de conseil pluridisciplinaire et membre du réseau international Baker Tilly.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 56 contacts → | ||||
Partial 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. | |||||
| 19 | 52 contacts → | ||||
Indirect evidence “Caelis, cabinet d’expertise comptable parisien de 50 collaborateurs, notre cabinet est dirigé par 3 associés.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 45 contacts → | ||||
Indirect evidence “Cabinet d'expertise comptable et de commissariat aux comptes” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 45 contacts → | ||||
Indirect evidence “CTF, Compagnie des Techniques Financières is an independent accounting firm recognised by major players in Financial Services and Public sector.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 41 contacts → | ||||
Partial evidence “Audit – Comptabilité – Fiscalité – Juridique – Social Depuis plus de 40 ans, le cabinet d'expert comptable Paris Fico est votre partenaire en vous accompagnant et en vous…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 38 contacts → | ||||
Partial evidence “Fondé en 2014 par deux directeurs issus d'un grand cabinet d'audit et de conseil international, NAOLYS est un cabinet indépendant et multidisciplinaire organisé autour des métiers…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 33 contacts → | ||||
Partial evidence “EXTENTIS est un groupe pluridisciplinaire spécialisé dans l’expertise comptable, les services fiscaux, juridiques, et l’audit.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 31 contacts → | ||||
Indirect evidence “FIDAG is an international accounting and auditing firm, founded in 1985.” 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: big 5 audit firms. 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 big 5 audit firms.
- Partial evidence
- Its own public description names part of big 5 audit firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name big 5 audit firms. 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 329 big 5 audit firms based in Paris, France
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Big 5 audit firms based in Paris, France at a glance
As of Sep 21, 2026Companies by employee count
Email recency for this list is measured across the whole France list rather than for Paris, so it is reported there. Company counts and contact totals on this page are exact for Paris, over 329 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 big 5 audit firms, 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 Paris, France whose own description of what they do matches “big 5 audit firms”. 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 big 5 audit firms), 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 big 5 audit firms, and records with no verified work email. Companies headquartered outside Paris 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, 3,986 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.
Big 5 audit firms by metro in France
- Big 5 audit firms in Paris329
- Big 5 audit firms in Lyon44
- Big 5 audit firms in Toulouse39
- Big 5 audit firms in Marseille31
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 big 5 audit firms, 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 big 5 audit firms are there based in Paris, France?
RevenueBase identified 329 big 5 audit firms headquartered in Paris, 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?
BDO France, headquartered in Paris, tops this list with the largest team on record.
Which city has the most big 5 audit firms?
Paris leads with 329 headquartered companies, followed by Lyon (44) and Toulouse (39).
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 3,986 verified decision-maker contacts tracked across these 329 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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