Company lists · Data refreshed September 2026

Top 25 Data protection law firms based in Paris, France

Name: Data protection law firms based in Paris, France
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 10, 2026 150 companies tracked

RevenueBase identified 150 data protection law firms headquartered in Paris, France as of September 2026 and tracks 775 professional contacts across them, including 280 with verified work emails and 25 with mobile numbers. Paris is the largest hub.

This list covers data protection law 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 10, 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 10, 2026 86% judged on-target in blind review

150Companies

775Contacts tracked

280Verified emails

25Mobile numbers

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The 25 largest data protection law firms based in Paris, France

Ranked by team size

Top 25 of 150 data protection law firms based in Paris, France, ranked by team size, largest first. Data refreshed Sep 10, 2026. RevenueBase Smart Search rates how each company's information relates to data protection 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	DPO Consulting	Partial evidence	Paris, FranceHQ checked Sep 10, 2026	11-50	43 contacts →
	Partial evidence “DPO Consulting est un cabinet de conseil spécialisé en protection des données, gouvernance de l’IA et cybersécurité.” Source: RevenueBase Database · checked Sep 10, 2026
2	Dipeeo	Indirect evidence	Paris, FranceHQ checked Sep 10, 2026	11-50	39 contacts →
	Indirect evidence “At Dipeeo, our mission is clear: to transform GDPR compliance into a true business ally, serving your company's growth and competitiveness- An outsourced DPO registered with the…” Source: RevenueBase Database · checked Sep 10, 2026
3	Haas Avocats	Partial evidence	Paris, FranceHQ checked Sep 10, 2026	11-50	37 contacts →
	Partial evidence “Haas Avocats is a law firm specializing in new technologies, digital and intellectual property law.” Source: RevenueBase Database · checked Sep 10, 2026
4	Lombard Baratelli Astolfe & Associés	Indirect evidence	Paris, FranceHQ checked Sep 10, 2026	11-50	27 contacts →
	Indirect evidence “Forte de plusieurs décennies d’expérience et de succès depuis sa création, l’association Lombard Baratelli Astolfe & associés est l’un des acteurs incontournables du paysage…” Source: RevenueBase Database · checked Sep 10, 2026
5	Agil'it	Indirect evidence	Paris, FranceHQ checked Sep 10, 2026	11-50	25 contacts →
	Indirect evidence “Avocats, innovants et résolument AGIL'IT!” Source: RevenueBase Database · checked Sep 10, 2026
6	Cabinet Vercken & Gaullier	Partial evidence	Paris, FranceHQ checked Sep 10, 2026	1-10	19 contacts →
	Partial evidence “Created in 2005, the business of Vercken & Gaullier Law Firm is solely focused on two specialised areas: literary and artistic property (copyright, neighbouring rights, database…” Source: RevenueBase Database · checked Sep 10, 2026
7	MCE Carrel Avocats	Strong evidence	Paris, FranceHQ checked Sep 10, 2026	1-10	16 contacts →
	Strong evidence “A Boutique law firm in Paris and Geneva, we provide creative legal services for the protection, development and transfer of your innovations.” Source: RevenueBase Database · checked Sep 10, 2026
8	Momentum Avocats	Indirect evidence	Paris, FranceHQ checked Sep 10, 2026	1-10	15 contacts →
	Indirect evidence “Cabinet d'avocats d’affaires indépendant, Momentum Avocats assiste sa clientèle en droit de la propriété intellectuelle et des technologies de l’information et de la…” Source: RevenueBase Database · checked Sep 10, 2026
9	DUNE	Indirect evidence	Paris, FranceHQ checked Sep 10, 2026	1-10	15 contacts →
	Indirect evidence “Composée d’une équipe engagée et expérimentée, Dune conseille, accompagne et protège ses clients dans leurs besoins juridiques et contentieux.” Source: RevenueBase Database · checked Sep 10, 2026
10	Lawways Avocats	Strong evidence	Paris, FranceHQ checked Sep 10, 2026	1-10	13 contacts →
	Strong evidence “Lawways is a law firm located in Paris which provides legal support in Information Technology, Data Privacy, Corporate and Private Equity, with a strong focus on transactional…” Source: RevenueBase Database · checked Sep 10, 2026
11	Cassius Avocats	Indirect evidence	Paris, FranceHQ checked Sep 10, 2026	1-10	12 contacts →
	Indirect evidence “Chez Cassius, nos avocats vous accompagnent au quotidien avec une approche quelque peu différente et qui tient en 3 étapes : 1⃣ Vous prenez rendez-vous et nous définissons…” Source: RevenueBase Database · checked Sep 10, 2026
12	Itlaw Avocats	Partial evidence	Paris, FranceHQ checked Sep 10, 2026	11-50	12 contacts →
	Partial evidence “Thanks to our 30 years' experience in IT law, we offer the best possible advice to ensure the success of our customers' IT projects.” Source: RevenueBase Database · checked Sep 10, 2026
13	Cabinet Bouchara & Avocats	Indirect evidence	Paris, FranceHQ checked Sep 10, 2026	1-10	12 contacts →
	Indirect evidence “Fondé en 2005 par Vanessa Bouchara, le Cabinet Bouchara & Avocats est un cabinet d’avocats situé à Paris, Lyon et Strasbourg.” Source: RevenueBase Database · checked Sep 10, 2026
14	LETO	Strong evidence	Paris, FranceHQ checked Sep 10, 2026	1-10	12 contacts →
	Strong evidence “Nous adorons la data et avons pour mission de vous aider à la protéger Leto accompagne ses clients dans la protection des données et la conformité RGPD depuis 2022 🤝 Leto est…” Source: RevenueBase Database · checked Sep 10, 2026
15	Securitrust	Indirect evidence	Paris, FranceHQ checked Sep 10, 2026	1-10	9 contacts →
	Indirect evidence “Fondée sur une expertise en sécurité des systèmes d’informations, SecuriTrust offre aux entreprises et aux administrations des prestations d’audits et de conseils avancés ainsi…” Source: RevenueBase Database · checked Sep 10, 2026
16	Joshua Société D'avocats	Indirect evidence	Paris, FranceHQ checked Sep 10, 2026	1-10	8 contacts →
	Indirect evidence “Le cabinet JOSHUA accompagne entreprises, dirigeants, décideurs publics et particuliers dans la prévention et la gestion du risque juridique et réputationnel et les assiste dans…” Source: RevenueBase Database · checked Sep 10, 2026
17	Cabinet Ziegler & Associés	Indirect evidence	Paris, FranceHQ checked Sep 10, 2026	1-10	8 contacts →
	Indirect evidence “Le cabinet d'avocats Ziegler & Associés intervient en conseil comme en contentieux, notamment dans des dossiers complexes pour vous et à forts enjeux.” Source: RevenueBase Database · checked Sep 10, 2026
18	LWM	Indirect evidence	Paris, FranceHQ checked Sep 10, 2026	1-10	8 contacts →
	Indirect evidence “LWM est le cabinet d’avocats des entreprises innovantes.” Source: RevenueBase Database · checked Sep 10, 2026
19	Jacob Avocats	Partial evidence	Paris, FranceHQ checked Sep 10, 2026	1-10	7 contacts →
	Partial evidence “Le cabinet Jacob Avocats est dédié au droit du numérique, des médias, du gambling et des télécoms (data, compliance, digital).” Source: RevenueBase Database · checked Sep 10, 2026
20	H2o Avocats	Indirect evidence	Paris, FranceHQ checked Sep 10, 2026	1-10	7 contacts →
	Indirect evidence “H2O est un cabinet d’avocats d’affaires qui réunit des avocats disposant d’une solide expertise dans les domaines du droit du numérique, droit de la propriété intellectuelle…” Source: RevenueBase Database · checked Sep 10, 2026
21	NÉA	Partial evidence	Paris, FranceHQ checked Sep 10, 2026	1-10	7 contacts →
	Partial evidence “Néa est un cabinet de conseil en Cybersécurité & Protection des données (RGPD) qui a pour objectif que chaque collaborateur puisse s'épanouir professionnellement dans les…” Source: RevenueBase Database · checked Sep 10, 2026
22	Aumans Avocats	Indirect evidence	Paris, FranceHQ checked Sep 10, 2026	11-50	7 contacts →
	Indirect evidence “AUMANS est une boutique indépendante, organisée autour de deux spécialisations fortes et complémentaires, le droit de la distribution et le droit des données personnelles.” Source: RevenueBase Database · checked Sep 10, 2026
23	Hiro Avocats	Indirect evidence	Paris, FranceHQ checked Sep 10, 2026	1-10	6 contacts →
	Indirect evidence “HIRO Avocats est né de la volonté d’offrir aux acteurs de la création et de l’innovation une assistance personnalisée au fait des évolutions technologiques et du foisonnement des…” Source: RevenueBase Database · checked Sep 10, 2026
24	Next Avocats	Partial evidence	Paris, FranceHQ checked Sep 10, 2026	1-10	6 contacts →
	Partial evidence “NEXT is an independent French law firm specializing in all areas of digital and creative law.” Source: RevenueBase Database · checked Sep 10, 2026
25	Walter Billet Avocats	Partial evidence	Paris, FranceHQ checked Sep 10, 2026	1-10	6 contacts →
	Partial evidence “Walter Billet Avocats is dedicated to assisting companies and investment funds in the fields of corporate law (M&A, Private Equity) as well as new technologies (particularly…” Source: RevenueBase Database · checked Sep 10, 2026

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: data protection 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 data protection law firms.
Partial evidence: Its own public description names part of data protection law firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name data protection 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 150 data protection law firms based in Paris, France

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Data protection law firms based in Paris, France at a glance

As of Sep 10, 2026

36.1%Verified-email coverage

3.2%Mobile-number coverage

5.2Average contacts per company

1-10Median size (employees)

62.7%Largest-city concentration · Paris

Sep 10, 2026Page data refreshed

Companies by employee count

1-10

134

11-50

51-200

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 13.0d

2590–30

2131–60

061–90

090–180

0180+

Company record updated

Median 47.0d

00–30

51231–60

18761–90

5190–180

25180+

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 data protection 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 Paris, France whose own description of what they do matches “data protection 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 data protection 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 data protection law 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, 280 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 10, 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.

Data protection law firms by metro in France

Data protection law firms in Paris94

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 data protection 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 data protection law firms are there based in Paris, France?

RevenueBase identified 150 data protection law 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?

DPO Consulting, headquartered in Paris, tops this list with the largest team on record.

Which city has the most data protection law firms?

Paris leads with 94 headquartered companies, followed by Lyon (14) and Marseille (9).

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 280 verified decision-maker contacts tracked across these 150 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 10, 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.