Company lists · Data refreshed September 2026
Top 25 Breach response law firms worldwide
RevenueBase identified 69 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 breach response 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 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 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 breach response law firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 213 contacts → | ||||
Indirect evidence “Founded by John F.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 2 | 34 contacts → | ||||
Indirect evidence “Kivu Consulting, part of Quorum Cyber, combines technical and legal expertise to deliver world-class investigative, discovery, and forensic solutions globally.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 3 | 31 contacts → | ||||
Strong evidence “Profero provides breach readiness and rapid response services through a predictable subscription model.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 4 | 21 contacts → | ||||
Strong evidence “Digital Forensics, Incident Response & Data Breach Management Services 3B Data Security is an approved PCI SSC PCI Forensic Investigator (PFI) and Qualified Security Assessor…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 5 | 18 contacts → | ||||
Partial evidence “The Law Offices of Jibrael S.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 6 | 13 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 7 | 12 contacts → | ||||
Strong evidence “We will NEVER contact clients via Whatsapp** The Beckage Firm is a data security, privacy, AI, and crypto law firm and NetDiligence® Authorized BreachCoach©.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 8 | 11 contacts → | ||||
Strong evidence “Octillo is one of the few law firms in the country focused exclusively on data security and privacy, incident response, and litigation.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 9 | 7 contacts → | ||||
Partial evidence “Born in the world of Incident Response, Vendetta Cyber Defense was founded with one goal in mind.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 10 | 7 contacts → | ||||
Indirect evidence “Datenschutz | Informationssicherheit | Risikomanagement | Impunix hilft Ihnen, Datenschutz-Pannen und teure Bussgelder zu vermeiden.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 11 | 6 contacts → | ||||
Partial evidence “The Lyon Firm is a boutique firm handling complex litigation arising from data privacy breaches, product defects, medical malpractice and other toxic exposure matters.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 12 | 5 contacts → | ||||
Partial evidence “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.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 13 | 5 contacts → | ||||
Indirect evidence “TeamWerks is an IT company based in the United States.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 14 | 4 contacts → | ||||
Strong evidence “DigitalDefence is an authority in assessing data security and responding to security and privacy breaches.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 15 | 4 contacts → | ||||
Indirect evidence “Why LibertyID?” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 16 | 4 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 17 | 4 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 18 | 4 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 19 | 3 contacts → | ||||
Strong evidence “We're a law firm representing individuals in personal injury, worker's compensation, and data breach claims.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 20 | 3 contacts → | ||||
Partial evidence “At Cyber Centaurs, we specialize in digital forensics and data breach investigations, providing comprehensive services to address a range of cyber incidents.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 21 | 3 contacts → | ||||
Indirect evidence “EMPREINTE AVOCATS est un cabinet dédié à la prévention et la gestion des incidents cyber.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 22 | 3 contacts → | ||||
Indirect evidence “Ward PLLC offers clients expertise in data security, information management, and privacy, while providing high quality legal services.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 23 | 2 contacts → | ||||
Partial evidence “Relic Law provides multidisciplinary legal and technical expertise in matters of data privacy, cybersecurity, and artificial intelligence.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 24 | 2 contacts → | ||||
Indirect evidence “Effectively communicating with information security and technology officers about best practices to mitigate liability before and after an incident – all protected by the…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 25 | 2 contacts → | ||||
Partial evidence “The Granade Law Firm, LLC provides legal advice regarding privacy and security law compliance to its corporate and institutional clients.” Source: RevenueBase Database · checked Sep 27, 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: breach response 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 breach response law firms.
- Partial evidence
- Its own public description names part of breach response law firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name breach response 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 69 breach response law firms worldwide
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Breach response law firms worldwide at a glance
As of Sep 27, 2026Companies by employee count
Email recency is reported on each country list linked below.
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 breach response 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
- Every country. Country and city lists for breach response law firms are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “breach response 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 breach response 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 breach response 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, 310 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 27, 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.
Breach response law firms by location
1 lists · largest firstEvery 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 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 breach response 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 breach response law firms are there worldwide?
RevenueBase identified 69 breach response 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?
Mullen Coughlin LLC, headquartered in Devon, tops this list with the largest team on record.
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 headquartered companies, 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 the top results, verified emails and direct dials included. Upgrading unlocks all 310 verified decision-maker contacts tracked across these 69 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 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 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.