Company lists · Data refreshed September 2026
Top 25 Energy law attorneys worldwide
RevenueBase identified 4,102 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 energy law attorneys worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. 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 Smart Search, 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.
The 25 largest energy law attorneys worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 6,574 contacts → | ||||
Partial evidence “A&O Shearman transforms the way law is practiced, to deliver unparalleled results for our clients' most complex matters – everywhere in the world.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 2,884 contacts → | ||||
Partial evidence “Foley & Lardner LLP stands at the nexus of the Energy & Infrastructure, Health Care & Life Sciences, Innovative Technology, and Manufacturing Sectors.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 1,926 contacts → | ||||
Partial evidence “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.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 1,790 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 1,558 contacts → | ||||
Strong evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 1,331 contacts → | ||||
Strong evidence “Watson Farley & Williams is a leading international law firm advising clients operating in the energy, infrastructure and transport sectors.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 1,197 contacts → | ||||
Partial evidence “Buchanan Ingersoll & Rooney is a national law firm with a proven reputation for providing progressive, industry-leading legal, business, regulatory and government relations advice…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 1,144 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 989 contacts → | ||||
Partial evidence “Shakespeare Martineau is a leading law firm that brings creativity, commerciality and clarity to complex challenges.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 864 contacts → | ||||
Indirect evidence “Stoel Rives is a leading U.S.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 757 contacts → | ||||
Strong evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 666 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 584 contacts → | ||||
Indirect evidence “Businesses and local governments turn to Parker Poe to structure transactions, navigate regulations, and resolve disputes.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 581 contacts → | ||||
Partial evidence “Bond is a full-service law firm counseling individuals, companies, not-for-profits and public sector entities in a wide spectrum of practice areas.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 576 contacts → | ||||
Indirect evidence “Founded in 1983, Wiley is a dominant presence in the nation’s capital.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 531 contacts → | ||||
Partial evidence “Michelmores is the destination law firm for the ambitious, the imaginative and the distinctive.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 518 contacts → | ||||
Indirect evidence “Fundado em o Marcelo Tostes Advogados firmou-se como um escritório de advocacia empresarial de excelência.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 484 contacts → | ||||
Partial evidence “Morgan & Morgan is a full-service Panamanian law firm, regularly assisting local and multinational corporations from different industries, as well as recognized financial…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 472 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 452 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 403 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 328 contacts → | ||||
Indirect evidence “Beveridge & Diamond’s 170+ lawyers in 7 U.S.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 327 contacts → | ||||
Indirect evidence “Thompson & Knight is now known as Holland & Knight.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 326 contacts → | ||||
Indirect evidence “Over a hundred different handshakes, one thing in common.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 320 contacts → | ||||
Strong evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: energy law attorneys. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names energy law attorneys.
- Partial evidence
- Its own public description names part of energy law attorneys, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name energy law attorneys. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 4,102 energy law attorneys worldwide
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Energy law attorneys worldwide at a glance
As of Sep 21, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among energy law attorneys, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, 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
- Companies worldwide whose own description of what they do matches “energy law attorneys”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names energy law attorneys), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among energy law attorneys, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 31,550 across the full list. 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.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Energy law attorneys by location
27 lists · largest firstEvery Energy law attorneys list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Energy law attorneys based in the United States656
- Energy law attorneys based in Brazil375
- Energy law attorneys based in Spain185
- Energy law attorneys based in Germany165
- Energy law attorneys based in Italy162
- Energy law attorneys based in Türkiye129
- Energy law attorneys based in France118
- Energy law attorneys based in Mexico113
- Energy law attorneys based in the United Kingdom113
- Energy law attorneys based in India112
- Energy law attorneys based in Nigeria95
- Energy law attorneys based in Chile94
- Energy law attorneys based in Poland91
- Energy law attorneys based in Colombia80
- Energy law attorneys based in the Netherlands78
- Energy law attorneys based in Australia76
- Energy law attorneys based in Canada68
- Energy law attorneys based in South Africa47
- Energy law attorneys based in Peru44
- Energy law attorneys based in Argentina43
- Energy law attorneys based in Belgium35
- Energy law attorneys based in Romania27
- Energy law attorneys based in Switzerland27
Cities
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names energy law attorneys, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many energy law attorneys are there worldwide?
RevenueBase identified 4,102 energy law attorneys worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
A&o Shearman, headquartered in Hamburg, tops this list with the largest team on record.
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 headquartered companies, 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 the top results, verified emails and direct dials included. Upgrading unlocks all 31,550 verified decision-maker contacts tracked across these 4,102 companies.
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.
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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 Smart Search, 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.