Company lists · Data refreshed September 2026

Top 25 Breach response law firms worldwide

RevenueBase identified 69 company matches for breach response law firms worldwide as of September 2026 and tracks 637 professional contacts across them, including 310 with verified work emails. The United States is the largest market and Denver the largest hub.

This list covers company matches for breach response law firms worldwide, 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. Country and city lists for breach response law firms follow the table.

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
69Companies
637Contacts tracked
310Verified emails
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The 25 largest breach response law firms worldwide

Ranked by team size
Top 25 of 69 company matches for breach response law firms worldwide, 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 matchUnited StatesHQ recorded Sep 27, 202611-5031 contacts →

Exact match

“Profero provides breach readiness and rapid response services through a predictable subscription model.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchCambridge, United KingdomHQ recorded Sep 27, 202611-5021 contacts →

Exact match

“Digital Forensics, Incident Response & Data Breach Management Services 3B Data Security is an approved PCI SSC PCI Forensic Investigator (PFI) and Qualified Security Assessor…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact 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
6Exact 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
7Exact 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
8Exact 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
9Exact 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
10Exact matchStadt, SwitzerlandHQ recorded Sep 27, 20261-107 contacts →

Exact match

“Datenschutz | Informationssicherheit | Risikomanagement | Impunix hilft Ihnen, Datenschutz-Pannen und teure Bussgelder zu vermeiden.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchUnited StatesHQ recorded Sep 27, 20261-106 contacts →

Exact match

“The Lyon Firm is a boutique firm handling complex litigation arising from data privacy breaches, product defects, medical malpractice and other toxic exposure matters.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact 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
13Exact 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
14Exact matchWaterloo, ON, CanadaHQ recorded Sep 27, 20261-104 contacts →

Exact match

“DigitalDefence is an authority in assessing data security and responding to security and privacy breaches.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact 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
16Exact matchKing Fahd, Saudi ArabiaHQ recorded Sep 27, 20261-104 contacts →

Exact match

“Turki Al-Rashdi is a specialized Saudi law firm established in 2024 to serve as a trusted partner for businesses, delivering high-calibre legal solutions tailored to a rapidly…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact 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
18Exact matchSevilla, SpainHQ recorded Sep 27, 20261-104 contacts →

Exact match

“Quantika14 es el resultado de la experiencia profesional de sus socios, desde distintos ámbitos, las Tecnologías de la Información, la Comunicación, y el Derecho, y la convicción…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact 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
20Exact 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
21Exact matchAnnecy, FranceHQ recorded Sep 27, 20261-103 contacts →

Exact match

“EMPREINTE AVOCATS est un cabinet dédié à la prévention et la gestion des incidents cyber.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact 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
23Exact 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
24Exact 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
25Exact 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

Showing 25 of 69 breach response law firms worldwide

See the full list, filter by size, metro and specialty, and access 310 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Breach response law firms worldwide at a glance

As of Sep 27, 2026
48.7%Verified-email coverage
9.2Average contacts per company
1-10Median size (employees)
4.3%Largest-city concentration · Denver
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
50
11-50
14
51-200
3
201-500
2

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for breach response law firms are linked below.
What qualifies
Company records worldwide 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. 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 310 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.

Breach response law firms by location

1 lists · largest first

Every Breach response law firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 worldwide?

RevenueBase identified 69 company matches for breach response law firms worldwide 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 country has the most breach response law firms?

The United States leads with 31 companies. Every breach response law firms list by country and city is linked on this page.

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 310 professional contacts with verified work emails tracked across these 69 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.