Company lists · Data refreshed November 2026

Top 25 Information security law firms worldwide

Name: Information security law firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 5, 2026 13,395 companies tracked

RevenueBase identified 13,395 company matches for information security law firms worldwide as of November 2026 and tracks 174,223 professional contacts across them, including 54,715 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for information security 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 November 5, 2026. Country and city lists for information security 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 Nov 5, 2026 How this list was built

13,395Companies

174,223Contacts tracked

54,715Verified emails

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The 25 largest information security law firms worldwide

Ranked by team size

Top 25 of 13,395 company matches for information security law firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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	LAW Firm	Exact match	London, United KingdomHQ recorded Nov 5, 2026	n/a	5,944 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2	Bird & Bird	Exact match	London, United KingdomHQ recorded Nov 5, 2026	1,001-5,000	3,397 contacts →
	Exact match “Bird & Bird is an international law firm with a focus on helping organisations being changed by technology and the digital world.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3	Morrison Foerster	Exact match	San Francisco, WA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	2,918 contacts →
	Exact match “Morrison Foerster transforms complexity into advantage.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4	Simmons & Simmons	Exact match	London, United KingdomHQ recorded Nov 5, 2026	1,001-5,000	2,739 contacts →
	Exact match “An international law firm that acts like your business partner.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5	Arnold & Porter	Exact match	Washington, NY, United StatesHQ recorded Nov 5, 2026	1,001-5,000	2,454 contacts →
	Exact match “Arnold & Porter combines sophisticated regulatory, litigation, and transactional capabilities to resolve clients’ most complex issues.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6	Bakerhostetler	Exact match	Washington, WA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	2,234 contacts →
	Exact match “Recognized as one of the top firms for client service and quality of legal services, BakerHostetler is a leading law firm that helps clients around the world address their most…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7	OPTIV	Exact match	Leawood, KS, United StatesHQ recorded Nov 5, 2026	1,001-5,000	2,171 contacts →
	Exact match “Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8	Dechert LLP	Exact match	Philadelphia, PA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	2,171 contacts →
	Exact match “Dechert is the law firm that helps business leaders lead.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9	Unitedlex	Exact match	New York, NY, United StatesHQ recorded Nov 5, 2026	1,001-5,000	2,157 contacts →
	Exact match “UnitedLex is the preeminent business partner for legal delivering solutions that achieve value and drive growth for corporate legal departments and law firms in the areas of…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10	Pillsbury Winthrop Shaw Pittman LLP	Exact match	New York, NY, United StatesHQ recorded Nov 5, 2026	1,001-5,000	2,048 contacts →
	Exact match “Pillsbury is one of the world’s foremost law firms, operating at the intersection of technology innovation, capital and government.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11	Faegre Drinker	Exact match	Minneapolis, MN, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,914 contacts →
	Exact match “Faegre Drinker is a firm designed for clients.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12	Site سايت	Exact match	Al Nakheel, Saudi ArabiaHQ recorded Nov 5, 2026	501-1,000	1,514 contacts →
	Exact match “We are established for enriching local content in designing, developing, and operating secure digital computing environments through Saudi talents, by fulfilling our role as a…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13	Guidepoint Security	Exact match	Reston, VA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,346 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 · Nov 5, 2026 · View company records in RevenueBase
14	Brownstein Hyatt Farber Schreck	Exact match	Denver, CA, United StatesHQ recorded Nov 5, 2026	501-1,000	941 contacts →
	Exact match “For decades, we’ve positioned ourselves at the intersection of law, business and policy to bring a multidisciplinary strategy to every issue.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15	SISA	Exact match	Bangalore, IndiaHQ recorded Nov 5, 2026	1,001-5,000	755 contacts →
	Exact match “SISA is a global forensics-driven cybersecurity solutions company, trusted by leading organizations for securing their businesses with robust preventive, detective, and corrective…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16	I-Tracing	Exact match	Courbevoie, FranceHQ recorded Nov 5, 2026	1,001-5,000	687 contacts →
	Exact match “I-TRACING, pure player and cybersecurity service provider leader in France, supports over 600 clients around the world in managing their cyber risks, from anticipating threats to…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17	Knobbe Martens	Exact match	Irvine, CA, United StatesHQ recorded Nov 5, 2026	501-1,000	632 contacts →
	Exact match “Knobbe Martens protects the ideas that drive innovation and propel our world forward.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18	Smith Gambrell Russell	Exact match	Atlanta, CA, United StatesHQ recorded Nov 5, 2026	501-1,000	606 contacts →
	Exact match “Smith, Gambrell & Russell, LLP is a full-service, international law firm that advises regional, national and global businesses on a wide range of legal matters.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19	own.security	Exact match	Paris, FranceHQ recorded Nov 5, 2026	51-200	558 contacts →
	Exact match “Founded in 2008, OWN is a Pure Player in cybersecurity, with offices in Paris, Rennes and Toulouse, but with a presence throughout France with its fully remote employees.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20	Paramount Computer Systems	Exact match	Dubai, United Arab EmiratesHQ recorded Nov 5, 2026	201-500	553 contacts →
	Exact match “Protection is Paramount!” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21	Securityhq	Exact match	London, United KingdomHQ recorded Nov 5, 2026	501-1,000	516 contacts →
	Exact match “SecurityHQ, a global cybersecurity company pioneering Security Performance Engineering for stronger operational performance and resilience.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	Aujas Cybersecurity	Exact match	Cupertino, United StatesHQ recorded Nov 5, 2026	1,001-5,000	514 contacts →
	Exact match “At Aujas Cybersecurity, we specialize in building and transforming cybersecurity postures to help businesses effectively mitigate risks.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23	Protechmanize	Exact match	Thane, IndiaHQ recorded Nov 5, 2026	501-1,000	497 contacts →
	Exact match “At ProTechmanize, we’re committed to making cybersecurity simpler, stronger, and more future ready for the organizations we serve.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24	Mcdonald Hopkins LLC	Exact match	Cleveland, OH, United StatesHQ recorded Nov 5, 2026	201-500	419 contacts →
	Exact match “McDonald Hopkins is an entrepreneurial law firm founded in 1930 on practical Midwestern business values that are as relevant today as when we first began.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25	Schwabe	Exact match	Portland, CA, United StatesHQ recorded Nov 5, 2026	201-500	412 contacts →
	Exact match “We focus our practices by industry, so you can access legal services based on your unique needs in today’s economy.” Recorded in the RevenueBase company graph · Nov 5, 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 “information security law firms”. 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 13,395 information security law firms worldwide

See the full list, filter by size, metro and specialty, and access 54,715 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Information security law firms worldwide at a glance

As of Nov 5, 2026

31.4%Verified-email coverage

13.0Average contacts per company

1-10Median size (employees)

2.6%Largest-city concentration · London

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

9,118

11-50

3,378

51-200

627

201-500

131

501-1,000

1,001-5,000

5,001-10,000

10001+

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 information security law firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “information security 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 54,715 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 November 5, 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.

Information security law firms by location

109 lists · largest first

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

Countries

Cities

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 “information security law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many information security law firms are there worldwide?

RevenueBase identified 13,395 company matches for information security law firms worldwide as of November 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?

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

Which country has the most information security law firms?

The United States leads with 2,286 companies, followed by Brazil (1,058) and the United Kingdom (830). Every information security law firms list by country and city is linked on this page.

Which city has the most information security law firms?

London leads with 352 company records, followed by Sao Paulo (317) and Paris (260).

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 54,715 professional contacts with verified work emails tracked across these 13,395 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 November 5, 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.