Company lists · Data refreshed September 2026
Top 25 Data privacy law firms worldwide
RevenueBase identified 2,883 data privacy law firms worldwide as of September 2026 and tracks 41,513 professional contacts across them, including 8,487 with verified work emails and 2,653 with mobile numbers. Brazil is the largest market and Sao Paulo the largest hub.
This list covers data privacy law firms worldwide, 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 1, 2026. Country and city lists for data privacy law firms follow the table.
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 data privacy law firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 3,184 contacts → | ||||
Partial evidence “Bird & Bird is an international law firm with a focus on helping organisations being changed by technology and the digital world.” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 2 | 369 contacts → | ||||
Partial evidence “HaystackID solves complex data challenges related to legal, compliance, regulatory, and cyber events.” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 3 | 360 contacts → | ||||
Strong evidence “Data privacy regulations change daily, with new laws introduced worldwide.” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 4 | 341 contacts → | ||||
Partial evidence “Licks Attorneys is a top-tier Brazilian law firm widely recognized for successfully handling large and strategic Intellectual Property, Life Sciences, Food & Drug, Regulatory…” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 5 | 282 contacts → | ||||
Indirect evidence “For over 165 years, the lawyers of WeirFoulds have been proud to serve our clients in their most difficult and complex matters.” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 6 | 213 contacts → | ||||
Indirect evidence “Founded by John F.” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 7 | 185 contacts → | ||||
Strong evidence “b/luz is a Brazilian law firm founded with the ambition of rethinking the role of Law in a world increasingly driven by technology, data, and speed.” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 8 | 182 contacts → | ||||
Partial evidence “Expertos en Ciberseguridad, Privacidad, GRC, IRM y Cumplimiento Normativo unificando la perspectiva Legal y Tecnológica GOVERTIS es la mayor firma de Advisory 100% especializada…” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 9 | 180 contacts → | ||||
Indirect evidence “Somos o parceiro estratégico em Direito Digital que transforma tendências em novas possibilidades, alavancando empresas em direção ao futuro e transformando realidades – das…” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 10 | 155 contacts → | ||||
Partial evidence “Tsaaro People Consulting redefines Digital Trust through specialist talent and advisory across Privacy, Cybersecurity, AI Governance, and Risk & Compliance.” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 11 | 145 contacts → | ||||
Indirect evidence “Built for compliance.” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 12 | 139 contacts → | ||||
Indirect evidence “ADNOV, filiale du groupe ADSN, acteur de renommée française à l'ancrage national, développe depuis plus de 40 ans une expertise reconnue dans la cybersécurité et la protection des…” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 13 | 137 contacts → | ||||
Partial evidence “With offices in Washington, DC, Denver, Colorado, and Austin, Texas, Wilkinson Barker Knauer (WBK) is the nation’s largest stand-alone communications and technology law firm.” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 14 | 134 contacts → | ||||
Indirect evidence “Litigation, compliance and investigations: It's what we do, day in and day out.” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 15 | 130 contacts → | ||||
Partial evidence “360 Advanced is a relationship-focused cybersecurity and compliance firm offering security, privacy and compliance-oriented solutions customized to meet your organization and your…” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 16 | 111 contacts → | ||||
Strong evidence “Redgrave is the leading law firm addressing legal discovery, information governance, AI governance, data security, and other Information Law challenges for corporations and…” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 17 | 108 contacts → | ||||
Indirect evidence “Audidat Protección de Datos lleva en el mercado desde 2003, cuando un grupo de abogados y profesionales especializados en economía, marketing y empresa con más de veinte años de…” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 18 | 89 contacts → | ||||
Indirect evidence “Portolano Cavallo provides legal advice to companies operating in complex and evolving sectors: it is a leader in the Digital-Media-Tech and Life Sciences-Healthcare sectors.” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 19 | 81 contacts → | ||||
Strong evidence “Scriboard™ is a full service law firm with cutting edge specialisation in Information Technology, Information Security, Data Privacy, Intellectual Property and related legal…” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 20 | 78 contacts → | ||||
Partial evidence “Established in 1997, Hudson Cook, LLP focuses on state and federal consumer and commercial financial services, banking and privacy compliance, regulation, enforcement and…” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 21 | 72 contacts → | ||||
Strong evidence “ZwillGen is a boutique law firm specializing in technology and privacy law.” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 22 | 72 contacts → | ||||
Indirect evidence “CRANIUM is a consultancy firm specialised in digital compliance and governance.” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 23 | 70 contacts → | ||||
Indirect evidence “intersoft consulting ist ein spezialisiertes Beratungsunternehmen in den Bereichen Datenschutz, IT-Sicherheit und IT-Forensik.” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 24 | 68 contacts → | ||||
Partial evidence “Focal Point Data Risk is now a CDW company!” Source: RevenueBase Database · checked Sep 1, 2026Thanks. The Data Team will review it. | |||||
| 25 | 62 contacts → | ||||
Strong evidence “Atheria Law provides legal services to insurance and reinsurance clients, focusing on the technology, privacy and cyber, and professional liability sectors.” Source: RevenueBase Database · checked Sep 1, 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: data privacy 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 privacy law firms.
- Partial evidence
- Its own public description names part of data privacy 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 privacy 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 2,883 data privacy law firms worldwide
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Data privacy law firms worldwide at a glance
As of Sep 1, 2026Companies by employee count
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 privacy 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.
- Coverage
- 17 countries, largest first: Brazil, the United States, Germany, Spain, France, Italy, the United Kingdom, the Netherlands, India, Poland and 7 more. Country and city lists for data privacy law firms are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “data privacy 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 privacy 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 privacy law firms, and records with no verified work email.
- 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, 8,487 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 between September 1, 2026 and September 14, 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 privacy law firms by location
26 lists · largest firstEvery Data privacy law firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Data privacy law firms based in Brazil500
- Data privacy law firms based in the United States464
- Data privacy law firms based in Germany328
- Data privacy law firms based in Spain295
- Data privacy law firms based in France236
- Data privacy law firms based in Italy194
- Data privacy law firms based in the United Kingdom177
- Data privacy law firms based in the Netherlands144
- Data privacy law firms based in India114
- Data privacy law firms based in Poland107
- Data privacy law firms based in Türkiye67
- Data privacy law firms based in Canada61
- Data privacy law firms based in Belgium54
- Data privacy law firms based in Switzerland51
- Data privacy law firms based in Colombia34
- Data privacy law firms based in Australia30
- Data privacy law firms based in South Africa27
Cities
- Data privacy law firms based in Sao Paulo, Brazil131
- Data privacy law firms based in Paris, France109
- Data privacy law firms based in London, United Kingdom80
- Data privacy law firms based in Madrid, Spain66
- Data privacy law firms based in Berlin, Germany35
- Data privacy law firms based in New York, United States32
- Data privacy law firms based in Barcelona, Spain31
- Data privacy law firms based in Warszawa, Poland31
- Data privacy law firms based in Washington, United States30
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 privacy 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 privacy law firms are there worldwide?
RevenueBase identified 2,883 data privacy law firms worldwide 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?
Bird & Bird, headquartered in Munich, tops this list with the largest team on record.
Which country has the most data privacy law firms?
Brazil leads with 500 companies, followed by the United States (464) and Germany (328). Every data privacy law firms list by country and city is linked on this page.
Which city has the most data privacy law firms?
Sao Paulo leads with 126 headquartered companies, followed by Paris (109) and London (82).
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 8,487 verified decision-maker contacts tracked across these 2,883 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled from the company graph between September 1, 2026 and September 14, 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.