Company lists · Data refreshed September 2026
Top 25 Ad law firms based in France
RevenueBase identified 1,143 ad law firms headquartered in France as of September 2026 and tracks 9,413 professional contacts across them, including 3,812 with verified work emails. Paris is the largest hub.
This list covers ad 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 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 ad law firms based in France
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,098 contacts → | ||||
Partial evidence “Gide is a leading law firm, both in France and internationally, in all areas of business law for Litigation, Transactions, and Regulation.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 380 contacts → | ||||
Indirect evidence “Since 1972, the DS Group has been committed to supporting businesses, both private and public, through strategic counsel and litigation.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 224 contacts → | ||||
Indirect evidence “Cabinet spécialiste du droit des affaires, Oratio Avocats propose, depuis plus de 50 ans, un accompagnement juridique durable à destination des dirigeants et des entreprises de…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 166 contacts → | ||||
Indirect evidence “The firm was founded in 1987.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 133 contacts → | ||||
Indirect evidence “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: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 131 contacts → | ||||
Indirect evidence “LAMY LEXEL assists companies and their leaders in their strategic plans, to deliver the most appropriate advice: pragmatic, fast, innovative and effective.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 108 contacts → | ||||
Indirect evidence “BCTG Avocats a développé une offre en droit des affaires, en conseil et contentieux, dédiée aux entrepreneurs et axée sur le conseil stratégique.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 104 contacts → | ||||
Partial evidence “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: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 89 contacts → | ||||
Indirect evidence “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: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 88 contacts → | ||||
Partial evidence “Alerion, a full service business law firm open to the world.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 81 contacts → | ||||
Partial evidence “Lmt Avocats is an independant full service business law firm based in Paris, France, with a great international transaction and litigation practice.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 75 contacts → | ||||
Partial evidence “Herald, anciennement Granrut is one of the 1st French independent business law firms.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 65 contacts → | ||||
Indirect evidence “Mermoz est un cabinet d’avocats d’affaires indépendant pluri-disciplinaire disposant d’un savoir-faire de premier plan dans le cadre d’opérations transactionnelles, notamment dans…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 64 contacts → | ||||
Partial evidence “AVOXA is a Business full service Law Firm established in Rennes, Nantes, Brest, Lorient, Paris and Lyon.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 64 contacts → | ||||
Partial evidence “klein•wenner is a multicultural team of 43 lawyers, strongly organized around proven business law practices.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 63 contacts → | ||||
Indirect evidence “ARCHERS assiste, conseille et défend les intérêts de ses clients dans les principaux domaines du droit des affaires, de la fiscalité, de la finance, de l’immobilier, du…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 63 contacts → | ||||
Indirect evidence “Parthema naît en 2011 de la rencontre de deux cabinets nantais créés respectivement en 1936 et 1991, et de la volonté de leurs associés de conjuguer leurs compétences au service…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 61 contacts → | ||||
Indirect evidence “NOMOS est un cabinet d’avocats d’affaires indépendant, composé d’une trentaine d’avocats et professionnels du droit, dont 11 associés, qui accompagnent leurs clients tant en…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 57 contacts → | ||||
Partial evidence “Created in 2008, Cabinet NMCG is entirely focused on business law and related areas of expertise.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 53 contacts → | ||||
Partial evidence “Yards is an independent and international business law firm” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 51 contacts → | ||||
Indirect evidence “Coblence avocats est un cabinet créé en 1984, dédié au droit des affaires et comptant à ce jour 45 avocats dont 13 associés.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 47 contacts → | ||||
Indirect evidence “GUEGUEN AVOCATS is a legal services company based out of 100 RUE DU LEINSTER, La Chapelle Sur Erdre, Pays de la Loire, France.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 42 contacts → | ||||
Indirect evidence “Cabinet d’avocats spécialisé en droit des sociétés,droit fiscal & droit social.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 40 contacts → | ||||
Indirect evidence “Créé en 1948, RAFFIN & ASSOCIES a développé une pratique reconnue en matière de conseil et de contentieux et compte aujourd’hui 10 associés et plus de 25 collaborateurs.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 39 contacts → | ||||
Indirect evidence “Founded in 1983, CARLARA regroups around 80 professionals located in Paris, Lyon, Lille, Brussels and Algiers.” 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: ad law 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 ad law firms.
- Partial evidence
- Its own public description names part of ad law firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name ad law 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 1,143 ad law firms based in France
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Ad law firms 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 1,143 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 ad 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 “ad 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 ad 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 ad 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, 3,812 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.
Ad law firms 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 ad 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 ad law firms are there based in France?
RevenueBase identified 1,143 ad 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?
GIDE, headquartered in Paris, tops this list with the largest team on record.
Which city has the most ad law firms?
Paris leads with 555 headquartered companies, followed by Lyon (62) and Toulouse (32).
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 3,812 verified decision-maker contacts tracked across these 1,143 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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