Company lists · Data refreshed September 2026
Top 25 Privacy law firms based in the United States
RevenueBase identified 372 privacy law firms headquartered in the United States as of September 2026 and tracks 3,218 professional contacts across them, including 1,891 with verified work emails and 1,650 with mobile numbers. New York is the largest hub.
This list covers privacy law firms headquartered in the United States, 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, how directly it supports the match, and when it was last checked. Data refreshed September 5, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 privacy law firms based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 606 | ||||
“Knobbe Martens protects the ideas that drive innovation and propel our world forward.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 2 | 368 | ||||
“HaystackID solves complex data challenges related to legal, compliance, regulatory, and cyber events.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 3 | 213 | ||||
“Founded by John F.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 4 | 111 | ||||
“Redgrave is the leading law firm addressing legal discovery, information governance, AI governance, data security, and other Information Law challenges for corporations and…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 5 | 81 | ||||
“For over 25 years, Haug Partners has provided synthesized multidisciplinary legal services for life science and technology businesses.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 6 | ZwillgenStrong evidence | 72 | |||
“ZwillGen is a boutique law firm specializing in technology and privacy law.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 7 | 62 | ||||
“Atheria Law provides legal services to insurance and reinsurance clients, focusing on the technology, privacy and cyber, and professional liability sectors.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 8 | VerasafePartial evidence | 55 | |||
“VeraSafe’s mission is to provide the world’s best privacy and data protection advice, with a human touch.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 9 | Troutman Emerge LLCIndirect evidence | 50 | |||
“Troutman eMerge provides clients with a multidisciplinary team of attorneys and technologists who collaborate to provide strategic legal thinking and advanced technology for the…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 10 | Privacy PillarPartial evidence | 50 | |||
“Privacy Pillar is a company that provides consumer data privacy solutions.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 11 | 46 | ||||
“Founded in 2008, with operations in New York, London and Toronto, Bortstein Legal Group is a noted leader in the areas of technology, market data, digital content, privacy…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 12 | Myna PartnersPartial evidence | 42 | |||
“In an ever-changing risk management environment, Myna Partners is your global partner in privacy, compliance, and technology risk.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 13 | 35 | ||||
“Data is one of the most valuable assets for enterprises.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 14 | 34 | ||||
“Jayaram advises individuals and companies around the world, supporting cutting-edge creators, innovators, and change-makers.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 15 | 28 | ||||
“We are experienced technologists and litigators, passionate about innovation.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 16 | 28 | ||||
“InfoLawGroup LLP is a national boutique law firm with a laser focus on information governance – including privacy and data security matters – advertising and marketing, evolving…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 17 | 27 | ||||
“Our clients face extraordinary challenges.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 18 | TermlyPartial evidence | 26 | |||
“Termly is an all-in-one privacy compliance solution for small and medium-sized businesses.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 19 | 26 | ||||
“FLLR Consulting is the #1 OneTrust Global Boutique Partner, helping enterprises turn compliance technology into a business advantage.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 20 | 26 | ||||
“Mac Murray & Shuster (M&S) is a nationally recognized women-owned boutique firm with a dedicated focus on consumer protection and privacy regulatory compliance and litigation.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 21 | 25 | ||||
“Troutman Amin, LLP is a nationally-recognized complex litigation and privacy consulting law firm based in Irvine, CA.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 22 | 25 | ||||
“Security Validation is your trusted advisor.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 23 | 25 | ||||
“BD Emerson: Transforming Security, Privacy, Compliance & Technology into Competitive Advantages BD Emerson stands at the forefront of cybersecurity and information security…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 24 | 24 | ||||
“Watstein Terepka is an elite litigation and compliance boutique law firm with best-in-class attorneys and an impeccable track record handling sophisticated disputes across the…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 25 | 24 | ||||
“A class action litigation firm” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
Showing 25 of 372 privacy law firms based in the United States
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Privacy law firms based in the United States at a glance
As of Sep 5, 2026Companies by employee count
Verified emails by last verification
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 privacy law firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the United States whose own description of what they do matches “privacy law firms”. Matching reads each company's description, not its industry code or its name.
- What we exclude
- Companies whose own description does not clearly place them among privacy law firms, and records with no verified work email. Companies headquartered outside United States 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 an evidence 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, 1,891 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 5, 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.
Privacy law firms by metro
- Privacy law firms in New York26
Frequently asked
How many privacy law firms are there based in the United States?
RevenueBase identified 372 privacy law firms headquartered in the United States 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?
Knobbe Martens, headquartered in Irvine, tops this list with the largest team on record.
Which city has the most privacy law firms?
New York leads with 26 headquartered companies, followed by Washington (20) and San Francisco (16).
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 1,891 verified decision-maker contacts tracked across these 372 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 5, 2026.
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Privacy law firms by geography
- Privacy law firms based in Brazil
- Privacy law firms based in Germany
- Privacy law firms based in Spain
- Privacy law firms based in France
- Privacy law firms based in Italy
- Privacy law firms based in the United Kingdom
- Privacy law firms based in the Netherlands
- Privacy law firms based in Poland
- Privacy law firms based in Belgium
- Privacy law firms based in Switzerland
- Privacy law firms based in Canada
- Privacy law firms based in Austria
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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 SmartSearch, 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.