Company lists · Data refreshed September 2026

Top 25 Tax law firms based in France

RevenueBase identified 1,782 tax law firms headquartered in France as of September 2026 and tracks 27,983 professional contacts across them, including 11,087 with verified work emails and 444 with mobile numbers. Paris is the largest hub.

This list covers tax law firms 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 6, 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 6, 2026 86% judged on-target in blind review
1,782Companies
27,983Contacts tracked
11,087Verified emails
444Mobile numbers
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest tax law firms based in France

Ranked by team size
Top 25 of 1,782 tax law firms based in France, ranked by team size, largest first. Data refreshed Sep 6, 2026. RevenueBase Smart Search rates how each company's information relates to tax law firms: 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 evidenceLyon, FranceHQ checked Sep 6, 20265,001-10,0003,278 contacts →

“Crée en 1991 In Extenso est l’un des leaders de l’expertise comptable en France.”

Source: company website · checked Sep 6, 2026
2Partial evidenceParis La Défense, FranceHQ checked Sep 6, 20261,001-5,0002,225 contacts →

“Fidal is the largest leading independent business law firm in France.”

Source: company website · checked Sep 6, 2026
3Partial evidenceParis, FranceHQ checked Sep 6, 2026501-1,0001,098 contacts →

“Gide is a leading law firm, both in France and internationally, in all areas of business law for Litigation, Transactions, and Regulation.”

Source: company website · checked Sep 6, 2026
4Indirect evidenceParis, FranceHQ checked Sep 6, 2026501-1,000735 contacts →

“EY Société d’avocats se mobilise pour concrétiser les potentiels: c’est ainsi que nous faisons la différence pour nos clients, nos équipes et tous nos interlocuteurs.”

Source: company website · checked Sep 6, 2026
5Strong evidenceParis La Défense, FranceHQ checked Sep 6, 2026501-1,000690 contacts →

“Deloitte Société d'Avocats is one of the leading French law firms, specializing in international tax and legal strategies.”

Source: company website · checked Sep 6, 2026
6Indirect evidenceCourbevoie, FranceHQ checked Sep 6, 2026501-1,000669 contacts →

“Les entreprises de toutes tailles sont exposées à des dispositions de plus en plus complexes en matière de réglementations fiscales et juridiques sur leur territoire national et…”

Source: company website · checked Sep 6, 2026
7Indirect evidenceNeuilly-sur-seine, FranceHQ checked Sep 6, 2026501-1,000575 contacts →

“PwC Société d'Avocats est, en France, membre de PricewaterhouseCoopers International Limited, société de droit anglais, et appartient au réseau international d'entités françaises…”

Source: company website · checked Sep 6, 2026
8Indirect evidenceParis, FranceHQ checked Sep 6, 202651-200241 contacts →

“UGGC Avocats est l’un des premiers cabinets d’avocats indépendants en France.”

Source: company website · checked Sep 6, 2026
9Indirect evidenceRennes, FranceHQ checked Sep 6, 2026201-500223 contacts →

“CAPEOS accompagne la gestion et le développement d’entreprises depuis plus de 45 ans.”

Source: company website · checked Sep 6, 2026
10Indirect evidenceParis, FranceHQ checked Sep 6, 202651-200198 contacts →

“Created in 2004, ARSENE TAXAND offers a cutting edge service in all the firm’s main areas of activity.”

Source: company website · checked Sep 6, 2026
11Indirect evidenceParis, FranceHQ checked Sep 6, 202651-200166 contacts →

“The firm was founded in 1987.”

Source: company website · checked Sep 6, 2026
12Indirect evidenceAngers Cedex 1, FranceHQ checked Sep 6, 202651-200133 contacts →

“Les compétences de nos avocats et juristes couvrent l’ensemble des domaines du droit des affaires : droit des sociétés, fiscalité, droit du travail, contrats… En étroite…”

Source: company website · checked Sep 6, 2026
13Indirect evidenceParis, FranceHQ checked Sep 6, 202651-200128 contacts →

“With 150 ACLers – including 16 certified professionals and 8 partners – we support over clients across tech, services, and industry.”

Source: company website · checked Sep 6, 2026
14Indirect evidenceParis, FranceHQ checked Sep 6, 202611-50108 contacts →

“BCTG Avocats a développé une offre en droit des affaires, en conseil et contentieux, dédiée aux entrepreneurs et axée sur le conseil stratégique.”

Source: company website · checked Sep 6, 2026
15Partial evidenceParis, FranceHQ checked Sep 6, 202651-200104 contacts →

“Established in 1990, Reinhart Marville Torre is a full-service business law firm whose 19 partners provide litigation and legal advisory services to companies and business leaders…”

Source: company website · checked Sep 6, 2026
16Indirect evidenceToulouse, FranceHQ checked Sep 6, 202651-20098 contacts →

“Cabinet comptable 100% toulousain Implanté à Toulouse depuis le 1er janvier 1971, le cabinet BGH Experts & Conseils accompagne ses clients dans la gestion quotidienne de leur…”

Source: company website · checked Sep 6, 2026
17Indirect evidenceNice, FranceHQ checked Sep 6, 202611-5097 contacts →

“Notre Cabinet d'expert comptable a été fondé en 1997.”

Source: company website · checked Sep 6, 2026
18Indirect evidenceBonchamp, FranceHQ checked Sep 6, 202651-20094 contacts →

“Société d'Expertise comptable inscrite au tableau de l'Ordre des Experts-comptables Le Cabinet FIGECAL est une société d'expertise comptable implantée en Mayenne.”

Source: company website · checked Sep 6, 2026
19Indirect evidenceParis, FranceHQ checked Sep 6, 202651-20090 contacts →

“Joffe & Associés est un cabinet d'affaires de premier plan.”

Source: company website · checked Sep 6, 2026
20Indirect evidenceLyon, FranceHQ checked Sep 6, 202651-20089 contacts →

“KELTEN est un cabinet de droit des affaires qui compte de nombreux avocats et juristes spécialisés dans des domaines d’expertises complémentaires pour le conseil et la défense de…”

Source: company website · checked Sep 6, 2026
21Partial evidenceParis, FranceHQ checked Sep 6, 202651-20088 contacts →

“Alerion, a full service business law firm open to the world.”

Source: company website · checked Sep 6, 2026
22Indirect evidenceVilleurbanne, FranceHQ checked Sep 6, 202651-20088 contacts →

“PREMIER MONDE est un cabinet d’expertise comptable, d’audit et de gestion privée- Chaque jour, nous déjouons la complexité de notre métier pour faire grandir votre entreprise.”

Source: company website · checked Sep 6, 2026
23Indirect evidenceLyon, FranceHQ checked Sep 6, 202651-20086 contacts →

“Vous voulez être considéré comme une personne, pas comme un dossier.”

Source: company website · checked Sep 6, 2026
24Indirect evidenceBoe, FranceHQ checked Sep 6, 202651-20085 contacts →

“FIDUCIE CONSULTANTS est un intervenant unique aux compétences multiples au service du dirigeant et de son entreprise.”

Source: company website · checked Sep 6, 2026
25Partial evidenceParis, FranceHQ checked Sep 6, 202651-20081 contacts →

“Sekri Valentin Zerrouk is a French business law firm assisting companies, shareholders and executives in all their strategic transactions and litigation since 2004.”

Source: company website · checked Sep 6, 2026

Showing 25 of 1,782 tax law firms based in France

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 11,087 reachable decision-makers.

Free signup · no credit card

View the full list →

Tax law firms based in France at a glance

As of Sep 6, 2026
39.6%Verified-email coverage
1.6%Mobile-number coverage
15.7Average contacts per company
1-10Median size (employees)
36.1%Largest-city concentration · Paris
Sep 6, 2026Page data refreshed

Companies by employee count

1-10
1,243
11-50
444
51-200
61
201-500
5
501-1,000
7
1,001-5,000
2
5,001-10,000
1

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

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 tax law 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 France whose own description of what they do matches “tax law 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 tax law 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 tax law firms, 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, 11,087 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 6, 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.

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 tax law 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 tax law firms are there based in France?

RevenueBase identified 1,782 tax law firms 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?

In Extenso, headquartered in Lyon, tops this list with the largest team on record.

Which city has the most tax law firms?

Paris leads with 644 headquartered companies, followed by Lyon (78) and Toulouse (56).

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 11,087 verified decision-maker contacts tracked across these 1,782 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 6, 2026.

Ready to reach these companies? Verified emails and direct dials for all 1,782 tax law firms based in France. Start with a free account, no credit card.

Download this list →

Related lists

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.