Company lists · Data refreshed September 2026

Top 21 Breach response law firms based in the United States

RevenueBase identified 31 company matches for breach response law firms associated with the United States as of September 2026 and tracks 507 professional contacts across them, including 257 with verified work emails. Denver is the largest hub.

This list covers company matches for breach response 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 27, 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 27, 2026 How this list was built
31Companies
507Contacts tracked
257Verified emails
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The 21 largest breach response law firms based in the United States

Ranked by team size
Top 21 of 31 company matches for breach response law firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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 StatesHQ recorded Sep 27, 2026201-500213 contacts →

Exact match

“Founded by John F.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchBerkeley, CA, United StatesHQ recorded Sep 27, 202651-20034 contacts →

Exact match

“Kivu Consulting, part of Quorum Cyber, combines technical and legal expertise to deliver world-class investigative, discovery, and forensic solutions globally.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact matchWilton Manors, FL, United StatesHQ recorded Sep 27, 202611-5018 contacts →

Exact match

“The Law Offices of Jibrael S.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchFranklin, TN, United StatesHQ recorded Sep 27, 202611-5013 contacts →

Exact match

“NXG Strategies, LLC, founded in 2005, is a pioneer in consumer identity investigation and remediation and an innovative designer and manufacturer of needs-based, identity fraud…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchBuffalo, NY, United StatesHQ recorded Sep 27, 202611-5012 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 27, 2026 · View company records in RevenueBase
6Exact matchNew York, United StatesHQ recorded Sep 27, 202611-5011 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 27, 2026 · View company records in RevenueBase
7Exact matchLewisburg, PA, United StatesHQ recorded Sep 27, 202611-507 contacts →

Exact match

“Born in the world of Incident Response, Vendetta Cyber Defense was founded with one goal in mind.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchWashington, DC, United StatesHQ recorded Sep 27, 20261-105 contacts →

Exact match

“Raj Ferber PLLC is a Washington, D.C-based boutique law firm that helps companies prepare for, manage, and recover from cybersecurity incidents and other business compromise risks.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchChicago, IL, United StatesHQ recorded Sep 27, 202611-505 contacts →

Exact match

“TeamWerks is an IT company based in the United States.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchDenver, CO, United StatesHQ recorded Sep 27, 20261-104 contacts →

Exact match

“Why LibertyID?”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchAtlanta, GA, United StatesHQ recorded Sep 27, 202611-504 contacts →

Exact match

“We combine pre-breach due diligence with on-site security engineering and triage services to provide our clients with the expertise, tools, and workforce they need to better…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchNew Orleans, LA, United StatesHQ recorded Sep 27, 20261-103 contacts →

Exact match

“We're a law firm representing individuals in personal injury, worker's compensation, and data breach claims.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchOrlando, FL, United StatesHQ recorded Sep 27, 20261-103 contacts →

Exact match

“At Cyber Centaurs, we specialize in digital forensics and data breach investigations, providing comprehensive services to address a range of cyber incidents.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchMiami, FL, United StatesHQ recorded Sep 27, 20261-103 contacts →

Exact match

“Ward PLLC offers clients expertise in data security, information management, and privacy, while providing high quality legal services.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchDearborn, MI, United StatesHQ recorded Sep 27, 20261-102 contacts →

Exact match

“Relic Law provides multidisciplinary legal and technical expertise in matters of data privacy, cybersecurity, and artificial intelligence.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchBaton Rouge, LA, United StatesHQ recorded Sep 27, 20261-102 contacts →

Exact match

“Effectively communicating with information security and technology officers about best practices to mitigate liability before and after an incident – all protected by the…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchAtlanta, GA, United StatesHQ recorded Sep 27, 20261-102 contacts →

Exact match

“The Granade Law Firm, LLC provides legal advice regarding privacy and security law compliance to its corporate and institutional clients.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchDenver, CO, United StatesHQ recorded Sep 27, 20261-101 contacts →

Exact match

“OnCall Cyber assembles expertise and capabilities from three areas to offer businesses a prearranged, trusted Cyber Crisis Team that is on call and on demand when a cyberattack…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchAlpharetta, GA, United StatesHQ recorded Sep 27, 20261-101 contacts →

Exact match

“A general business and data risk management law firm.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchBethesda, MD, United StatesHQ recorded Sep 27, 20261-101 contacts →

Exact match

“John Reed Stark Consulting LLC offers expertise in the fields of data breach, cybersecurity, cybercrime and incident response.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchBaltimore, MD, United StatesHQ recorded Sep 27, 20261-101 contacts →

Exact match

“The Cyberlaw Group is a Maryland-based law firm focused on information privacy and cybersecurity.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 21 of 31 breach response law firms based in the United States

See the full list, filter by size, metro and specialty, and access 257 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Breach response law firms based in the United States at a glance

As of Sep 27, 2026
50.7%Verified-email coverage
16.4Average contacts per company
1-10Median size (employees)
9.7%Largest-city concentration · Denver
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
18
11-50
8
51-200
3
201-500
2

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 31 companies.

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 “breach response 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 257 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 27, 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 “breach response law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many breach response law firms are there based in the United States?

RevenueBase identified 31 company matches for breach response 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 breach response law firms?

Denver leads with 3 company records, followed by Atlanta (2) and Chattanooga (2).

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 257 professional contacts with verified work emails tracked across these 31 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 27, 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.