Company lists · Data refreshed November 2026

Top 25 Environmental litigation firms worldwide

RevenueBase identified 3,498 company matches for environmental litigation firms worldwide as of November 2026 and tracks 62,410 professional contacts across them, including 33,926 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers company matches for environmental litigation 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 6, 2026. Country and city lists for environmental litigation 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 6, 2026 How this list was built
3,498Companies
62,410Contacts tracked
33,926Verified emails
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The 25 largest environmental litigation firms worldwide

Ranked by team size
Top 25 of 3,498 company matches for environmental litigation firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchPhiladelphia, DC, United StatesHQ recorded Nov 6, 20261,001-5,0001,802 contacts →

Exact match

“Ballard Spahr LLP, an Am Law 100 law firm with more than 750 lawyers in 19 U.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchKansas City, PA, United StatesHQ recorded Nov 6, 20261,001-5,0001,562 contacts →

Exact match

“Shook, Hardy & Bacon has long been recognized as one of the premier litigation firms in the country.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchBuffalo, CA, United StatesHQ recorded Nov 6, 20261,001-5,0001,023 contacts →

Exact match

“Goldberg Segalla is a national civil litigation firm with a diverse team of 500+ attorneys in 23 offices in major metropolitan markets across the United States, providing…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchSan Francisco, CO, United StatesHQ recorded Nov 6, 2026501-1,000733 contacts →

Exact match

“Earthjustice is a non-profit public interest law organization dedicated to protecting the magnificent places, natural resources, and wildlife of this earth, and to defending the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchChicago, CA, United StatesHQ recorded Nov 6, 2026501-1,000659 contacts →

Exact match

“As a national law firm defending corporations, non-profits, associations and their officers & directors in every manner of litigation, O'Hagan Meyer provides individualized…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchHartford, PA, United StatesHQ recorded Nov 6, 2026201-500649 contacts →

Exact match

“Robinson+Cole is a service mark of Robinson & Cole LLP, a law firm with offices throughout the Northeast, Mid-Atlantic, Florida, and California serving regional, national, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchCharlotte, NC, United StatesHQ recorded Nov 6, 2026501-1,000631 contacts →

Exact match

“Businesses and local governments turn to Parker Poe to structure transactions, navigate regulations, and resolve disputes.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchWashington, DC, United StatesHQ recorded Nov 6, 2026501-1,000601 contacts →

Exact match

“Founded in 1983, Wiley is a dominant presence in the nation’s capital.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchUnited KingdomHQ recorded Nov 6, 2026201-500573 contacts →

Exact match

“Michelmores is the destination law firm for the ambitious, the imaginative and the distinctive.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchMinneapolis, TX, United StatesHQ recorded Nov 6, 2026501-1,000567 contacts →

Exact match

“Bowman and Brooke LLP is a nationally recognized trial firm with one of the largest product liability practices in the country.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchRiverside, CA, United StatesHQ recorded Nov 6, 2026201-500548 contacts →

Exact match

“Best Best & Krieger serves as a trusted partner and strategist to public and private sector clients across the nation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026201-500543 contacts →

Exact match

“Weitz & Luxenberg is New York City’s largest personal injury and mass-tort plaintiffs’ law firm.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBoston, MA, United StatesHQ recorded Nov 6, 2026201-500536 contacts →

Exact match

“MG+M is a national litigation firm with deep expertise in a wide range of practice areas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBirmingham, AL, United StatesHQ recorded Nov 6, 2026201-500497 contacts →

Exact match

“Balch & Bingham LLP is a full-service corporate law firm recognized nationally for its genuine dedication to its clients, forward-thinking approach, and ability to anticipate what…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchMt. Pleasant, DC, United StatesHQ recorded Nov 6, 2026201-500445 contacts →

Exact match

“Our History Makes Us Bold.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchHouston, United StatesHQ recorded Nov 6, 2026201-500423 contacts →

Exact match

“Susman Godfrey is America’s premier litigation boutique.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchFt. Lauderdale, FL, United StatesHQ recorded Nov 6, 2026201-500378 contacts →

Exact match

“Our verdicts tell the story.™ Luks and Santaniello, LLC is a Corporate and Insurance Defense Litigation firm committed to securing equal justice in the courtroom for…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchLos Angeles, CA, United StatesHQ recorded Nov 6, 2026201-500368 contacts →

Exact match

“Nossaman LLP is a national law firm with attorneys and policy advisors located in 12 offices throughout the United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSan Diego, CA, United StatesHQ recorded Nov 6, 2026201-500366 contacts →

Exact match

“This page contains attorney advertising.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-500355 contacts →

Exact match

“We are a non-profit using the power of the law to bring about end-to-end systemic change: informing, implementing and enforcing the law, drafting and advising decision-makers on…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchHarrisburg, PA, United StatesHQ recorded Nov 6, 2026201-500343 contacts →

Exact match

“Since 1935, McNees Wallace & Nurick has been a trusted, client-focused law firm delivering practical, results-driven legal solutions to businesses, individuals, and organizations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSan Diego, CA, United StatesHQ recorded Nov 6, 2026201-500343 contacts →

Exact match

“Robbins Geller Rudman & Dowd LLP is one of the world’s leading complex class action firms representing plaintiffs in securities fraud, antitrust, breach of fiduciary duty…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchNew Orleans, AL, United StatesHQ recorded Nov 6, 2026201-500340 contacts →

Exact match

“Galloway Johnson Tompkins Burr & Smith stands ready as a premier corporate defense and litigation firm in the Gulf South and Midwest to be your strategic advisor.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchWashington, CA, United StatesHQ recorded Nov 6, 2026201-500335 contacts →

Exact match

“Beveridge & Diamond’s 170+ lawyers in 7 U.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchCharleston, KY, United StatesHQ recorded Nov 6, 2026201-500332 contacts →

Exact match

“Jackson Kelly PLLC is a national law firm representing leading global corporations, national companies, entrepreneurs and individuals in areas of law such as environmental…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 3,498 environmental litigation firms worldwide

See the full list, filter by size, metro and specialty, and access 33,926 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Environmental litigation firms worldwide at a glance

As of Nov 6, 2026
54.4%Verified-email coverage
17.8Average contacts per company
1-10Median size (employees)
3.1%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
2,042
11-50
1,099
51-200
284
201-500
44
501-1,000
5
1,001-5,000
4
5,001-10,000
1

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 environmental litigation firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “environmental litigation 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 33,926 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 6, 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.

Environmental litigation firms by location

31 lists · largest first

Every Environmental litigation 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 “environmental litigation firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many environmental litigation firms are there worldwide?

RevenueBase identified 3,498 company matches for environmental litigation 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?

Ballard Spahr LLP tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most environmental litigation firms?

The United States leads with 2,166 companies, followed by Brazil (251) and France (86). Every environmental litigation firms list by country and city is linked on this page.

Which city has the most environmental litigation firms?

New York leads with 108 company records, followed by Los Angeles (79) and Houston (78).

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 33,926 professional contacts with verified work emails tracked across these 3,498 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 6, 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.