Company lists · Data refreshed October 2026

Top 25 Environmental law firms worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 14,780 companies tracked

RevenueBase identified 14,780 company matches for environmental law firms worldwide as of October 2026 and tracks 242,404 professional contacts across them, including 114,765 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for environmental 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 October 1, 2026. Country and city lists for environmental 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 Oct 1, 2026 How this list was built

14,780Companies

242,404Contacts tracked

114,765Verified emails

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The 25 largest environmental law firms worldwide

Ranked by team size

Top 25 of 14,780 company matches for environmental law firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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	K&l Gates	Exact match	Pittsburgh, PA, United StatesHQ recorded Oct 1, 2026	1,001-5,000	4,861 contacts →
	Exact match “At K&L Gates, we foster an inclusive and collaborative environment across our fully integrated global platform that enables us to diligently combine the knowledge and expertise of…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2	Skadden, Arps, Slate, Meagher & Flom LLP And Affiliates	Exact match	New York, NY, United StatesHQ recorded Oct 1, 2026	1,001-5,000	4,540 contacts →
	Exact match “Skadden, Arps, Slate, Meagher & Flom LLP and Affiliates delivers the highest quality advice and novel solutions to legal challenges, enabling clients to achieve their business…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3	Cooley LLP	Exact match	Palo Alto, CA, United StatesHQ recorded Oct 1, 2026	1,001-5,000	3,341 contacts →
	Exact match “Clients partner with Cooley on transformative deals, complex IP and regulatory matters, and high-stakes litigation.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	Foley & Lardner LLP	Exact match	Milwaukee, WI, United StatesHQ recorded Oct 1, 2026	1,001-5,000	2,884 contacts →
	Exact match “Foley & Lardner LLP stands at the nexus of the Energy & Infrastructure, Health Care & Life Sciences, Innovative Technology, and Manufacturing Sectors.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5	Morrison Foerster	Exact match	San Francisco, CA, United StatesHQ recorded Oct 1, 2026	1,001-5,000	2,667 contacts →
	Exact match “Morrison Foerster transforms complexity into advantage.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6	Akin Gump Strauss Hauer & Feld LLP	Exact match	Washington, United StatesHQ recorded Oct 1, 2026	1,001-5,000	2,454 contacts →
	Exact match “Akin is a global law firm with more than 1,100 lawyers and advisors who pride themselves on dedication to their clients and their communities.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	Arnold & Porter	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	1,001-5,000	2,333 contacts →
	Exact match “Arnold & Porter combines sophisticated regulatory, litigation, and transactional capabilities to resolve clients’ most complex issues.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8	Seyfarth Shaw LLP	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 2026	1,001-5,000	2,167 contacts →
	Exact match “High stakes.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9	Dechert LLP	Exact match	Philadelphia, PA, United StatesHQ recorded Oct 1, 2026	1,001-5,000	2,041 contacts →
	Exact match “Dechert is the law firm that helps business leaders lead.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10	Nelson Mullins Riley & Scarborough	Exact match	Columbia, SC, United StatesHQ recorded Oct 1, 2026	1,001-5,000	2,012 contacts →
	Exact match “Established in 1897, Nelson Mullins is an Am Law 100 firm of more than attorneys, policy advisors and professionals with 33 offices in 17 states and Washington, D.C.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11	Taft Stettinius & Hollister LLP	Exact match	Cincinnati, OH, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,980 contacts →
	Exact match “At Taft, we work as one team, driven and committed to helping you succeed.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12	TLT LLP	Exact match	Bristol, United KingdomHQ recorded Oct 1, 2026	1,001-5,000	1,797 contacts →
	Exact match “We’re your business advisers as well as your lawyers, working in step with you to protect your interests today and progress your ambitions for tomorrow.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	Venable LLP	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,790 contacts →
	Exact match “Committed to Your Success – As a law firm of more than 900 professionals, Venable delivers legal services globally in every area of regulatory compliance, government affairs…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14	Clayton UTZ	Exact match	Sydney, AustraliaHQ recorded Oct 1, 2026	1,001-5,000	1,787 contacts →
	Exact match “We are one of Australia's oldest and largest law firms, with offices in six cities, nearly 200 partners, and a full range of legal services for large private sector and government…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15	Vinson & Elkins	Exact match	Houston, TX, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,693 contacts →
	Exact match “Vinson & Elkins is a law firm of global distinction, working with leading companies on wide-ranging matters in key industries across the economy.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	Ballard Spahr LLP	Exact match	Philadelphia, PA, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,682 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 · Oct 1, 2026 · View company records in RevenueBase
17	Crowell & Moring	Exact match	Washington, DC, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,602 contacts →
	Exact match “Crowell & Moring is an international law firm with operations in the United States, Europe, MENA, and Asia.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18	Tozzinifreire Advogados	Exact match	São Paulo, BrazilHQ recorded Oct 1, 2026	1,001-5,000	1,580 contacts →
	Exact match “TozziniFreire is one of the leading legal services organizations in Latin America, operating in all areas of Business Law and with a significant track record in serving national…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19	Browne Jacobson	Exact match	Nottingham, United KingdomHQ recorded Oct 1, 2026	1,001-5,000	1,503 contacts →
	Exact match “We’re Browne Jacobson.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20	KIM & Chang	Exact match	Sajik-ro 8-gil, South KoreaHQ recorded Oct 1, 2026	1,001-5,000	1,451 contacts →
	Exact match “Kim & Chang is a globally recognized law firm based in Korea.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21	Shoosmiths	Exact match	London, United KingdomHQ recorded Oct 1, 2026	1,001-5,000	1,444 contacts →
	Exact match “We’re the law firm clients choose for excellent service, incisive thinking and above all for our ability to focus on what matters.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22	Quarles & Brady LLP	Exact match	Milwaukee, WI, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,318 contacts →
	Exact match “For over 125 years, Quarles & Brady LLP has provided quality legal services to a wide range of industries on a national stage.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23	Hill Dickinson LLP	Exact match	Liverpool, United KingdomHQ recorded Oct 1, 2026	1,001-5,000	1,231 contacts →
	Exact match “An unpredictable world calls for a progressive-thinking law firm that’s aligned to your ambitions.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24	Buchanan Ingersoll & Rooney PC	Exact match	Pittsburgh, PA, United StatesHQ recorded Oct 1, 2026	501-1,000	1,197 contacts →
	Exact match “Buchanan Ingersoll & Rooney is a national law firm with a proven reputation for providing progressive, industry-leading legal, business, regulatory and government relations advice…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25	Jenner & Block	Exact match	Chicago, IL, United StatesHQ recorded Oct 1, 2026	501-1,000	1,194 contacts →
	Exact match “At Jenner & Block, we shape what’s next through experience, vision, and judgment.” Recorded in the RevenueBase company graph · Oct 1, 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 “environmental 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 14,780 environmental law firms worldwide

See the full list, filter by size, metro and specialty, and access 114,765 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Environmental law firms worldwide at a glance

As of Oct 1, 2026

47.3%Verified-email coverage

16.4Average contacts per company

1-10Median size (employees)

3.1%Largest-city concentration · Sao Paulo

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

9,446

11-50

4,198

51-200

815

201-500

162

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 environmental law firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “environmental 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 114,765 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 October 1, 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 law firms by location

95 lists · largest first

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

How many environmental law firms are there worldwide?

RevenueBase identified 14,780 company matches for environmental law firms worldwide as of October 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?

K&l Gates tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most environmental law firms?

The United States leads with 4,078 companies, followed by Brazil (2,612) and France (595). Every environmental law firms list by country and city is linked on this page.

Which city has the most environmental law firms?

Sao Paulo leads with 464 company records, followed by Paris (291) and Curitiba (169).

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 114,765 professional contacts with verified work emails tracked across these 14,780 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 October 1, 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.