Company lists · Data refreshed September 2026

Top 25 Environmental maritime law firms worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 8,659 companies tracked

RevenueBase identified 8,659 company matches for environmental maritime law firms worldwide as of September 2026 and tracks 110,907 professional contacts across them, including 44,096 with verified work emails. Brazil is the largest market and Sao Paulo the largest hub.

This list covers company matches for environmental maritime 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 September 28, 2026. Country and city lists for environmental maritime 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 Sep 28, 2026 How this list was built

8,659Companies

110,907Contacts tracked

44,096Verified emails

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The 25 largest environmental maritime law firms worldwide

Ranked by team size

Top 25 of 8,659 company matches for environmental maritime law firms worldwide, 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	Clyde & CO	Exact match	London, United KingdomHQ recorded Sep 28, 2026	5,001-10,000	5,079 contacts →
	Exact match “Clyde & Co is a leading global law firm, helping organisations successfully navigate risk and maximise opportunity in the sectors that underpin global trade and commercial…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Kennedys	Exact match	City Of London, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	2,847 contacts →
	Exact match “Every day we make a difference.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Arnold & Porter	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 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 · Sep 28, 2026 · View company records in RevenueBase
4	TLT LLP	Exact match	Bristol, United KingdomHQ recorded Sep 28, 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 · Sep 28, 2026 · View company records in RevenueBase
5	Ballard Spahr LLP	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 28, 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 · Sep 28, 2026 · View company records in RevenueBase
6	Corrs Chambers Westgarth	Exact match	Sydney, AustraliaHQ recorded Sep 28, 2026	1,001-5,000	1,506 contacts →
	Exact match “Corrs Chambers Westgarth is Australia’s leading independent law firm.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	HFW	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	1,406 contacts →
	Exact match “HFW is a leading global law firm in the aerospace, commodities, construction, energy, insurance, and shipping sectors.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Watson Farley & Williams	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	1,331 contacts →
	Exact match “Watson Farley & Williams is a leading international law firm advising clients operating in the energy, infrastructure and transport sectors.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Wallem Group	Exact match	Hong KongHQ recorded Sep 28, 2026	501-1,000	1,313 contacts →
	Exact match “First established in Shanghai in 1903, Wallem Group has a 120-year maritime heritage with a presence in 19 countries globally.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Hill Dickinson LLP	Exact match	Liverpool, United KingdomHQ recorded Sep 28, 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 · Sep 28, 2026 · View company records in RevenueBase
11	Hinshaw & Culbertson LLP	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	501-1,000	1,188 contacts →
	Exact match “Hinshaw & Culbertson LLP is a U.S-based law firm with offices nationwide.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Rechtsanwaltskanzlei	Exact match	United StatesHQ recorded Sep 28, 2026	n/a	960 contacts →
	Exact match “O ve r t wo d e c a d e s (2 0 0 1 - P re s e n t) o f s p e c i a l i z e d ex p e r i e n c e i n I n t e r n a t i o n a l M a r i t i m e L a w a n d Ya c h t I n s u r a n c…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Stoel Rives LLP	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	501-1,000	864 contacts →
	Exact match “Stoel Rives is a leading U.S.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Phelps Dunbar LLP	Exact match	New Orleans, LA, United StatesHQ recorded Sep 28, 2026	501-1,000	824 contacts →
	Exact match “As an AmLaw 200 firm, Phelps provides strategic legal counsel to businesses across the South, with 17 offices in the U.S.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Stibbe	Exact match	Brussels, BelgiumHQ recorded Sep 28, 2026	501-1,000	811 contacts →
	Exact match “Stibbe is a leading independent, international law firm with main offices in Amsterdam, Brussels and Luxembourg, and a branch office in London.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Herzog	Exact match	Tel Aviv, IsraelHQ recorded Sep 28, 2026	501-1,000	749 contacts →
	Exact match “Herzog Fox & Neeman is Israel’s largest law firm and has earned a reputation as market leader, evidenced by consistent top-tier rankings in both international and Israeli legal…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Marval O'farrell, Mairal	Exact match	Ciudad De Buenos Aires, ArgentinaHQ recorded Sep 28, 2026	501-1,000	688 contacts →
	Exact match “Fundada en 1923, Marval O’Farrell Mairal es la firma legal más grande de la Argentina, líder en el país y también en Latinoamérica.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Wiley Rein LLP	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	501-1,000	576 contacts →
	Exact match “Founded in 1983, Wiley is a dominant presence in the nation’s capital.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Eckert Seamans	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 28, 2026	501-1,000	570 contacts →
	Exact match “Eckert Seamans Cherin & Mellott LLC has lawyers in offices throughout the United States, including Harrisburg, Philadelphia, and Pittsburgh, Pennsylvania; Boston, Massachusetts…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Gorrissen Federspiel	Exact match	Copenhagen V, DenmarkHQ recorded Sep 28, 2026	501-1,000	559 contacts →
	Exact match “Gorrissen Federspiel is among the leading Danish law firms with distinguished international relations.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Lavery	Exact match	Montréal, QC, CanadaHQ recorded Sep 28, 2026	201-500	546 contacts →
	Exact match “Over a century of legal advice to domestic and international organizations has made Lavery Lawyers the leading independent law firm in Quebec (Canadian Lawyer).” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Michelmores	Exact match	United KingdomHQ recorded Sep 28, 2026	201-500	531 contacts →
	Exact match “Michelmores is the destination law firm for the ambitious, the imaginative and the distinctive.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Marcelo Tostes Advogados	Exact match	Sao Paulo, BrazilHQ recorded Sep 28, 2026	201-500	518 contacts →
	Exact match “Fundado em o Marcelo Tostes Advogados firmou-se como um escritório de advocacia empresarial de excelência.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	VDA Vieira DE Almeida	Exact match	Lisbon, PortugalHQ recorded Sep 28, 2026	201-500	516 contacts →
	Exact match “Vieira de Almeida (VdA) is a leading international law firm with over 45 years of history, known for its unrivalled track record in corporate legal advice and for its innovative…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Morgan & Morgan	Exact match	Costa Del Este, PanamaHQ recorded Sep 28, 2026	501-1,000	484 contacts →
	Exact match “Morgan & Morgan is a full-service Panamanian law firm, regularly assisting local and multinational corporations from different industries, as well as recognized financial…” 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 “environmental maritime 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 8,659 environmental maritime law firms worldwide

See the full list, filter by size, metro and specialty, and access 44,096 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Environmental maritime law firms worldwide at a glance

As of Sep 28, 2026

39.8%Verified-email coverage

12.8Average contacts per company

1-10Median size (employees)

2.9%Largest-city concentration · Sao Paulo

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

5,350

11-50

2,723

51-200

415

201-500

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 maritime law firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “environmental maritime 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 44,096 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.

Environmental maritime law firms by location

74 lists · largest first

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

How many environmental maritime law firms are there worldwide?

RevenueBase identified 8,659 company matches for environmental maritime law firms worldwide 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?

Clyde & CO tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most environmental maritime law firms?

Brazil leads with 1,204 companies, followed by the United States (762) and Italy (481). Every environmental maritime law firms list by country and city is linked on this page.

Which city has the most environmental maritime law firms?

Sao Paulo leads with 248 company records, followed by Paris (200) and Istanbul (159).

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 44,096 professional contacts with verified work emails tracked across these 8,659 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.