Company lists · Data refreshed September 2026

Top 25 Data protection law firms based in the United States

RevenueBase identified 191 company matches for data protection law firms associated with the United States as of September 2026 and tracks 1,083 professional contacts across them, including 594 with verified work emails and 496 with mobile numbers. New York is the largest hub.

This list covers company matches for data protection law firms associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 1, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 1, 2026 How this list was built
191Companies
1,083Contacts tracked
594Verified emails
496Mobile numbers
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The 25 largest data protection law firms based in the United States

Ranked by team size
Top 25 of 191 company matches for data protection law firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 1, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchDevon, PA, United States201-500213 contacts →

Exact match

“Founded by John F.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
2Exact matchWashington, DC, United States51-20072 contacts →

Exact match

“ZwillGen is a boutique law firm specializing in technology and privacy law.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
3Exact matchDuluth, GA, United States51-20052 contacts →

Exact match

“CompliancePoint delivers the governance, protections and assurances organizations need to succeed in an interconnected and data-driven world.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
4Exact matchCatonsville, MD, United States11-5034 contacts →

Exact match

“Data is one of the most valuable assets for enterprises.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
5Exact matchRedwood City, CA, United States11-5028 contacts →

Exact match

“We are experienced technologists and litigators, passionate about innovation.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
6Exact matchIrvine, CA, United States11-5027 contacts →

Exact match

“Troutman Amin, LLP is a nationally-recognized complex litigation and privacy consulting law firm based in Irvine, CA.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
7Exact matchWashington, DC, United States11-5026 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
8Exact matchNew Albany, OH, United States11-5025 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
9Exact matchAlpharetta, GA, United States11-5025 contacts →

Exact match

“FLLR Consulting is the #1 OneTrust Global Boutique Partner, helping enterprises turn compliance technology into a business advantage.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
10Exact matchOradell, NJ, United States51-20025 contacts →

Exact match

“Security Validation is your trusted advisor.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
11Exact matchSeattle, WA, United States11-5024 contacts →

Exact match

“Hintze Law PLLC exclusively provides global data protection counseling for technology, ecommerce, advertising, media, and mobile companies, organizations, and industry…”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
12Exact matchNew York, NY, United States11-5024 contacts →

Exact match

“A Partnership with Unique Value R Digital is a privacy-first digital agency operating between Denmark and Vietnam, helping organisations modernise their web, marketing and data…”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
13Exact matchJensen Beach, FL, United States11-5022 contacts →

Exact match

“CSR is the data privacy authority providing privacy solutions for small and medium size businesses globally.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
14Exact matchHouston, TX, United States11-5019 contacts →

Exact match

“Meru Data is a data software and consulting company focused on building solutions to simplify and sustain data privacy programs for customers worldwide.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
15Exact matchWilton Manors, FL, United States11-5015 contacts →

Exact match

“The Law Offices of Jibrael S.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
16Exact matchSan Francisco, CA, United States11-5014 contacts →

Exact match

“TrueVault makes software for privacy-conscious businesses.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
17Exact matchIrvine, CA, United States11-5012 contacts →

Exact match

“Privageo is a data privacy & security solutions provider.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
18Exact matchBuffalo, NY, United States11-5011 contacts →

Exact match

“Octillo is one of the few law firms in the country focused exclusively on data security and privacy, incident response, and litigation.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
19Exact matchAustin, TX, United States11-5011 contacts →

Exact match

“We will NEVER contact clients via Whatsapp** The Beckage Firm is a data security, privacy, AI, and crypto law firm and NetDiligence® Authorized BreachCoach©.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
20Exact matchLos Angeles, CA, United States11-509 contacts →

Exact match

“Consumer Action Law Group is built on a foundation of excellence, attention to detail, honesty and professionalism, in support of our primary client goal: exceptional client…”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
21Exact matchSan Francisco, CA, United States1-108 contacts →

Exact match

“Trusted Global Privacy Specialists for Data-Driven Companies”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
22Exact matchRichmond, VA, United States1-107 contacts →

Exact match

“Dunlap Law provides counsel on business law, data privacy and cybersecurity law, international trade law, IP, licensing and regulatory compliance to emerging and established…”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
23Exact matchWashington, DC, United States1-106 contacts →

Exact match

“Hedin LLP prosecutes consumer and data-privacy class actions.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
24Exact matchRedwood City, United States201-5006 contacts →

Exact match

“Legal executive and advisor with experience advising and assisting in building profitable businesses and highly productive teams focusing on employment related legal matters and…”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
25Exact matchHauppauge, NY, United States11-506 contacts →

Exact match

“Stetson Cybergroup is a Data Privacy and Protection Firm that approaches cybersecurity holistically, engaging people, processes, and technologies.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase

Showing 25 of 191 data protection law firms based in the United States

See the full list, filter by size, metro and specialty, and access 594 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Data protection law firms based in the United States at a glance

As of Sep 1, 2026
54.8%Verified-email coverage
45.8%Mobile-number coverage
5.7Average contacts per company
1-10Median size (employees)
8.4%Largest-city concentration · New York
Sep 1, 2026Page data refreshed

Companies by employee count

1-10
147
11-50
34
51-200
5
201-500
3
501-1,000
1

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

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
Company records associated with the United States whose business descriptions match “data protection law firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 594 professional contacts with verified work emails across the full matched dataset. 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 1, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “data protection law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many data protection law firms are there based in the United States?

RevenueBase identified 191 company matches for data protection law firms associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Mullen Coughlin LLC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most data protection law firms?

New York leads with 16 company records, followed by San Francisco (11) and Washington (10).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 594 professional contacts with verified work emails tracked across these 191 companies; direct dials are available where recorded.

How current is this list?

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