Company lists · Data refreshed September 2026

Top 25 Energy law attorneys worldwide

RevenueBase identified 4,102 company matches for energy law attorneys worldwide as of September 2026 and tracks 68,600 professional contacts across them, including 31,550 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for energy law attorneys 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 21, 2026. Country and city lists for energy law attorneys 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 21, 2026 How this list was built
4,102Companies
68,600Contacts tracked
31,550Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest energy law attorneys worldwide

Ranked by team size
Top 25 of 4,102 company matches for energy law attorneys worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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 matchHamburg, United KingdomHQ recorded Sep 21, 20265,001-10,0006,574 contacts →

Exact match

“A&O Shearman transforms the way law is practiced, to deliver unparalleled results for our clients' most complex matters – everywhere in the world.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchMilwaukee, WI, United StatesHQ recorded Sep 21, 20261,001-5,0002,884 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 · Sep 21, 2026 · View company records in RevenueBase
3Exact matchMumbai, IndiaHQ recorded Sep 21, 20261,001-5,0001,926 contacts →

Exact match

“Trilegal is a leading full-service law firm in India with over 25 years of experience, known for its depth of expertise and client-focused approach.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchWashington, DC, United StatesHQ recorded Sep 21, 20261,001-5,0001,790 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 · Sep 21, 2026 · View company records in RevenueBase
5Exact matchDallas, TX, United StatesHQ recorded Sep 21, 20261,001-5,0001,558 contacts →

Exact match

“Haynes Boone is among the fastest-growing firms in the Am Law 100, providing full-service counsel across sectors, including corporate, energy, financial services, real estate…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Sep 21, 20261,001-5,0001,331 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 21, 2026 · View company records in RevenueBase
7Exact matchPittsburgh, PA, United StatesHQ recorded Sep 21, 2026501-1,0001,197 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 · Sep 21, 2026 · View company records in RevenueBase
8Exact matchCalgary, AB, CanadaHQ recorded Sep 21, 2026501-1,0001,144 contacts →

Exact match

“For over a century, Bennett Jones has been an internationally recognized Canadian law firm founded and focused on principles of professional excellence, integrity, respect and…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchBirmingham, United KingdomHQ recorded Sep 21, 20261,001-5,000989 contacts →

Exact match

“Shakespeare Martineau is a leading law firm that brings creativity, commerciality and clarity to complex challenges.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchPortland, OR, United StatesHQ recorded Sep 21, 2026501-1,000864 contacts →

Exact match

“Stoel Rives is a leading U.S.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchBridgeport, WV, United StatesHQ recorded Sep 21, 2026501-1,000757 contacts →

Exact match

“Steptoe & Johnson PLLC is a law firm nationally recognized for its strengths in energy law with more than a century of know-how in the areas of business, employment, and…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchDublin 4, IrelandHQ recorded Sep 21, 2026501-1,000666 contacts →

Exact match

“Mason Hayes & Curran LLP is a leading Irish law firm based in Dublin with offices in San Francisco, New York and London, three of Ireland’s most important conduits for inward…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchCharlotte, NC, United StatesHQ recorded Sep 21, 2026501-1,000584 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 · Sep 21, 2026 · View company records in RevenueBase
14Exact matchSyracuse, NY, United StatesHQ recorded Sep 21, 2026201-500581 contacts →

Exact match

“Bond is a full-service law firm counseling individuals, companies, not-for-profits and public sector entities in a wide spectrum of practice areas.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchWashington, DC, United StatesHQ recorded Sep 21, 2026501-1,000576 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchUnited KingdomHQ recorded Sep 21, 2026201-500531 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchSao Paulo, BrazilHQ recorded Sep 21, 2026201-500518 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 21, 2026 · View company records in RevenueBase
18Exact matchCosta Del Este, PanamaHQ recorded Sep 21, 2026501-1,000484 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 21, 2026 · View company records in RevenueBase
19Exact matchBirmingham, AL, United StatesHQ recorded Sep 21, 2026201-500472 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 · Sep 21, 2026 · View company records in RevenueBase
20Exact matchBaton Rouge, LA, United StatesHQ recorded Sep 21, 2026201-500452 contacts →

Exact match

“Just as oil and gas must be refined to unlock their true potential, we at Kean Miller continuously optimize our legal approach to help transform business complexities into new…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchOklahoma City, OK, United StatesHQ recorded Sep 21, 2026201-500403 contacts →

Exact match

“By rigorously maintaining the highest standards of legal excellence, the Oklahoma-based law firm of McAfee & Taft has grown to become one of the largest and most respected…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchWashington, DC, United StatesHQ recorded Sep 21, 2026201-500328 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchDallas, TX, United StatesHQ recorded Sep 21, 2026501-1,000327 contacts →

Exact match

“Thompson & Knight is now known as Holland & Knight.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchHelsinki, FinlandHQ recorded Sep 21, 2026201-500326 contacts →

Exact match

“Over a hundred different handshakes, one thing in common.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchPortland, ME, United StatesHQ recorded Sep 21, 2026201-500320 contacts →

Exact match

“Pierce Atwood LLP, a highly-regarded, full-service law firm based in New England, has 150 attorneys who serve regional, national, and international clients from offices in…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 4,102 energy law attorneys worldwide

See the full list, filter by size, metro and specialty, and access 31,550 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Energy law attorneys worldwide at a glance

As of Sep 21, 2026
46.0%Verified-email coverage
16.7Average contacts per company
1-10Median size (employees)
1.9%Largest-city concentration · Sao Paulo
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
2,504
11-50
1,281
51-200
223
201-500
53
501-1,000
14
1,001-5,000
12
5,001-10,000
2

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 energy law attorneys are linked below.
What qualifies
Company records worldwide whose business descriptions match “energy law attorneys” 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 31,550 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 21, 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.

Energy law attorneys by location

27 lists · largest first

Every Energy law attorneys 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 “energy law attorneys”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many energy law attorneys are there worldwide?

RevenueBase identified 4,102 company matches for energy law attorneys 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?

A&o Shearman tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most energy law attorneys?

The United States leads with 656 companies, followed by Brazil (375) and Spain (185). Every energy law attorneys list by country and city is linked on this page.

Which city has the most energy law attorneys?

Sao Paulo leads with 78 company records, followed by Houston (72) and Madrid (65).

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 31,550 professional contacts with verified work emails tracked across these 4,102 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 21, 2026.

Ready to reach these companies? Verified emails and direct dials for all 4,102 energy law attorneys worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.