Company lists · Data refreshed September 2026

Top 25 Law firm cybersecurity companies based in the United States

Name: Law firm cybersecurity companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 1,951 companies tracked

RevenueBase identified 1,951 company matches for law firm cybersecurity companies associated with the United States as of September 2026 and tracks 20,737 professional contacts across them, including 9,378 with verified work emails. New York is the largest hub.

This list covers company matches for law firm cybersecurity companies 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 28, 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 28, 2026 How this list was built

1,951Companies

20,737Contacts tracked

9,378Verified emails

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The 25 largest law firm cybersecurity companies based in the United States

Ranked by team size

Top 25 of 1,951 company matches for law firm cybersecurity companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Guidepoint Security	Exact match	Reston, VA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,232 contacts →
	Exact match “GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Coalfire	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	1,001-5,000	947 contacts →
	Exact match “Coalfire is the premier Cybersecurity and Compliance Services leader for the tech, healthcare, and finance industries.(This page is maintained by Marketing.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Network Intelligence	Exact match	Plano, TX, United StatesHQ recorded Sep 28, 2026	501-1,000	641 contacts →
	Exact match “At Network Intelligence, we combine our team of 500+ security professionals with Transilience – our cutting-edge AI platform.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Knobbe Martens	Exact match	Irvine, CA, United StatesHQ recorded Sep 28, 2026	501-1,000	606 contacts →
	Exact match “Knobbe Martens protects the ideas that drive innovation and propel our world forward.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	ARETE	Exact match	Boca Raton, FL, United StatesHQ recorded Sep 28, 2026	201-500	462 contacts →
	Exact match “Arete helps organizations stay ahead of cyber threats with standardized, intelligence-led detection, response, resolution, and resilience capabilities.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Haystackid	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	201-500	368 contacts →
	Exact match “HaystackID solves complex data challenges related to legal, compliance, regulatory, and cyber events.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Security Risk Advisors	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 28, 2026	201-500	315 contacts →
	Exact match “We deliver cybersecurity consulting, 24x7 operations and SaaS to leading companies in the Financial Services, Healthcare, Pharmaceuticals, Technology and Retail industries.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Prescient Security	Exact match	Nashville, TN, United StatesHQ recorded Sep 28, 2026	201-500	272 contacts →
	Exact match “Prescient Security is a global cybersecurity and compliance firm delivering risk-based audits, advanced penetration testing, and end-to-end framework support.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Baxter Clewis Cybersecurity	Exact match	Cedar Hill, TX, United StatesHQ recorded Sep 28, 2026	201-500	255 contacts →
	Exact match “Baxter Clewis Cybersecurity, we bring to the table a unique set of experiences that allow us to best serve your cybersecurity needs.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Lumifi	Exact match	Scottsdale, AZ, United StatesHQ recorded Sep 28, 2026	51-200	249 contacts →
	Exact match “Lumifi Cyber helps organizations illuminate their cyber defense with continuous protection across the full security lifecycle.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Mullen Coughlin LLC	Exact match	Devon, PA, United StatesHQ recorded Sep 28, 2026	201-500	213 contacts →
	Exact match “Founded by John F.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Mindpoint Group, A Quantum SKY Company	Exact match	Reston, VA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	204 contacts →
	Exact match “MindPoint Group, a Quantum Sky company, is a cybersecurity specialist trusted by U.S.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Safeaeon INC	Exact match	Pleasanton, CA, United StatesHQ recorded Sep 28, 2026	51-200	196 contacts →
	Exact match “SafeAeon leads the industry as a top-tier Cybersecurity-as-a-Service provider, delivering 24x7 premium Managed Security Services with AI-powered and human-driven 24x7 SOC…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Deepseas	Exact match	Globally Distributed, United StatesHQ recorded Sep 28, 2026	201-500	182 contacts →
	Exact match “With 30 years of experience in cyber defense, DeepSeas is trusted by nearly clients around the world, including Fortune 100 enterprises and mid-market organizations, municipality…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Munck Wilson Mandala LLP	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	51-200	180 contacts →
	Exact match “Munck Wilson Mandala is a technology-focused law firm with offices in Dallas, Austin, Houston, Waco, Texas; Los Angeles, California; and South Florida.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Cyber Advisors	Exact match	Maple Grove, MN, United StatesHQ recorded Sep 28, 2026	201-500	176 contacts →
	Exact match “Cyber Advisors is a nationwide leader in cyber security, providing a comprehensive range of Offensive, Defensive, and Risk Management services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Stratascale	Exact match	Charlotte, NC, United StatesHQ recorded Sep 28, 2026	201-500	171 contacts →
	Exact match “Stratascale is a premier services company proudly operating as the cybersecurity division of SHI.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Ampcus Cyber	Exact match	Chantilly, VA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	170 contacts →
	Exact match “Trusted By 2,880+ World-Class Brands And Organizations Of All Sizes…!” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Defendedge	Exact match	Elmhurst, IL, United StatesHQ recorded Sep 28, 2026	51-200	167 contacts →
	Exact match “DefendEdge is a leading US-based cybersecurity firm specializing in protecting clients' firewalls, endpoints, and applications against cyber threats and vulnerabilities.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Hitachi Cyber	Exact match	Santa Clara, CA, United StatesHQ recorded Sep 28, 2026	501-1,000	159 contacts →
	Exact match “Hitachi Systems Trusted Cyber Management Inc.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Nuharbor	Exact match	Colchester, VT, United StatesHQ recorded Sep 28, 2026	51-200	151 contacts →
	Exact match “nuHarbor is a U.S-based cybersecurity firm trusted by public sector and critical infrastructure organizations nationwide.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Avalon	Exact match	National, NY, United StatesHQ recorded Sep 28, 2026	51-200	150 contacts →
	Exact match “Achieve more, every day, by shifting a variety of critical business functions – including litigation support, eDiscovery, digital forensics, paper discovery, managed review and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Accorian	Exact match	East Brunswick, NJ, United StatesHQ recorded Sep 28, 2026	51-200	148 contacts →
	Exact match “At Accorian, we don’t just advise on compliance, we operationalize it.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Langley & Banack, INC	Exact match	San Antonio, TX, United StatesHQ recorded Sep 28, 2026	51-200	148 contacts →
	Exact match “Langley & Banack's attorneys and staff are dedicated to furnishing our clients exceptional legal service and diligent personal attention.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Optima Partners	Exact match	NY, United StatesHQ recorded Sep 28, 2026	51-200	145 contacts →
	Exact match “Established in 2014, Optima is a leading global regulatory compliance and cybersecurity consulting firm advising financial institutions, including investment managers, hedge…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “law firm cybersecurity companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 1,951 law firm cybersecurity companies based in the United States

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Law firm cybersecurity companies based in the United States at a glance

As of Sep 28, 2026

45.2%Verified-email coverage

10.6Average contacts per company

1-10Median size (employees)

4.2%Largest-city concentration · New York

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

1,260

11-50

509

51-200

137

201-500

501-1,000

1,001-5,000

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 1,951 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 “law firm cybersecurity companies” 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 9,378 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 28, 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.

Law firm cybersecurity companies by metro

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 “law firm cybersecurity companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many law firm cybersecurity companies are there based in the United States?

RevenueBase identified 1,951 company matches for law firm cybersecurity companies 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?

Guidepoint Security tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most law firm cybersecurity companies?

New York leads with 82 company records, followed by Washington (49) and Atlanta (46).

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 9,378 professional contacts with verified work emails tracked across these 1,951 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 28, 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.