Company lists · Data refreshed October 2026

Top 17 Adoption law firms based in France

RevenueBase identified 104 adoption law firms headquartered in France as of October 2026 and tracks 348 professional contacts across them, including 34 with verified work emails. Paris is the largest hub.

This list covers adoption 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 October 1, 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 Oct 1, 2026 86% judged on-target in blind review
104Companies
348Contacts tracked
34Verified emails
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The 17 largest adoption law firms based in France

Ranked by team size
Top 17 of 104 adoption law firms based in France, ranked by team size, largest first. Data refreshed Oct 1, 2026. RevenueBase Smart Search rates how each company's information relates to adoption 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 evidenceParis, FranceHQ checked Oct 1, 202611-5035 contacts →

Indirect evidence

“En 20 ans, bwg est devenu le cabinet d'avocats de référence en droit de la famille et du patrimoine.”

Source: RevenueBase Database · checked Oct 1, 2026
2Partial evidenceClermont-ferrand, FranceHQ checked Oct 1, 20261-1010 contacts →

Partial evidence

“Law firm based in Clermont-Ferrand, France”

Source: RevenueBase Database · checked Oct 1, 2026
3Partial evidenceParis, FranceHQ checked Oct 1, 202611-5010 contacts →

Partial evidence

“ANTELIS is a law office Cabinet d'Avocats”

Source: RevenueBase Database · checked Oct 1, 2026
4Indirect evidenceLa Roche-sur-yon, FranceHQ checked Oct 1, 202611-508 contacts →

Indirect evidence

“Cabinet d’Avocats et de Médiation”

Source: RevenueBase Database · checked Oct 1, 2026
5Indirect evidenceParis, FranceHQ checked Oct 1, 20261-107 contacts →

Indirect evidence

“Alexandre Boiché & Associés est un cabinet d'avocates et avocats situé à Paris et spécialisé en droit interne et international de la famille.”

Source: RevenueBase Database · checked Oct 1, 2026
6Indirect evidenceNantes, FranceHQ checked Oct 1, 20261-106 contacts →

Indirect evidence

“Maîtres Céline GUINEL-JOHNSON et Bruno LE TOULLEC ont le plaisir de vous faire part de leur association au sein du cabinet ALTG19.”

Source: RevenueBase Database · checked Oct 1, 2026
7Indirect evidenceParis, FranceHQ checked Oct 1, 20261-105 contacts →

Indirect evidence

“Le cabinet LEICK & DARMOIS a été créé par Valentine Darmois et Arnaud Leick et est consacré au droit interne et international de la famille.”

Source: RevenueBase Database · checked Oct 1, 2026
8Indirect evidenceParis, FranceHQ checked Oct 1, 20261-105 contacts →

Indirect evidence

“Le cabinet CHANGO AVOCATS est à votre disposition pour vous accompagner dans toutes vos démarches juridiques, de conseils ou contentieuses.”

Source: RevenueBase Database · checked Oct 1, 2026
9Indirect evidenceParis, FranceHQ checked Oct 1, 20261-105 contacts →

Indirect evidence

“Notre cabinet est spécialisé en droit de la famille et privilégie les solutions amiables Divorce / Séparation / Rupture PACS / Régimes matrimoniaux / Successions / Filiation /…”

Source: RevenueBase Database · checked Oct 1, 2026
10Indirect evidenceNantes, FranceHQ checked Oct 1, 20261-104 contacts →

Indirect evidence

“Le cabinet MAJELI AVOCAT vous accompagne en droit de la famille et des personnes et en droit pénal.”

Source: RevenueBase Database · checked Oct 1, 2026
11Indirect evidenceParis, FranceHQ checked Oct 1, 20261-103 contacts →

Indirect evidence

Source: RevenueBase Database · checked Oct 1, 2026
12Indirect evidenceToulouse, FranceHQ checked Oct 1, 20261-103 contacts →

Indirect evidence

“Avocate au Barreau de Toulouse.”

Source: RevenueBase Database · checked Oct 1, 2026
13Indirect evidenceDunkerque, FranceHQ checked Oct 1, 20261-102 contacts →

Indirect evidence

“Société d’Avocat”

Source: RevenueBase Database · checked Oct 1, 2026
14Partial evidenceBayonne, FranceHQ checked Oct 1, 20261-102 contacts →

Partial evidence

“Le Cabinet d'avocats BLAZY-ANDRIEU intervient en, droit de la famille: divorce, enfants, liquidation régime matrimonial, adoption, PACS, succession,indivision, tutelle (personnes…”

Source: RevenueBase Database · checked Oct 1, 2026
15Indirect evidenceParis, FranceHQ checked Oct 1, 20261-102 contacts →

Indirect evidence

“Cabinet d'avocats à Paris”

Source: RevenueBase Database · checked Oct 1, 2026
16Indirect evidenceToulouse, FranceHQ checked Oct 1, 20261-101 contacts →

Indirect evidence

“Cabinet juridique et d'avocat.”

Source: RevenueBase Database · checked Oct 1, 2026
17Indirect evidenceRennes, FranceHQ checked Oct 1, 20261-101 contacts →

Indirect evidence

Source: RevenueBase Database · checked Oct 1, 2026

Showing 17 of 104 adoption law firms based in France

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Adoption law firms based in France at a glance

As of Oct 1, 2026
9.8%Verified-email coverage
3.3Average contacts per company
1-10Median size (employees)
36.5%Largest-city concentration · Paris
Oct 1, 2026Page data refreshed

Companies by employee count

1-10
88
11-50
9
201-500
1
10001+
1

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 104 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 adoption 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 “adoption 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 adoption 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 adoption 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, 34 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 October 1, 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.

Adoption 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 adoption 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 adoption law firms are there based in France?

RevenueBase identified 104 adoption law firms headquartered in France as of October 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?

BWG Family LAW Firm, headquartered in Paris, tops this list with the largest team on record.

Which city has the most adoption law firms?

Paris leads with 38 headquartered companies, followed by Toulouse (8) and Lyon (5).

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 34 verified decision-maker contacts tracked across these 104 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 1, 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.