Company lists · Data refreshed September 2026

Top 25 Grid modernization law firms worldwide

RevenueBase identified 213 grid modernization law firms worldwide as of September 2026 and tracks 2,614 professional contacts across them, including 716 with verified work emails. The United States is the largest market and Washington the largest hub.

This list covers grid modernization law firms 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 28, 2026. Country and city lists for grid modernization law firms 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review
213Companies
2,614Contacts tracked
716Verified emails
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The 25 largest grid modernization law firms worldwide

Ranked by team size
Top 25 of 213 grid modernization law firms worldwide, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to grid modernization law firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceLake Mary, FL, United StatesHQ checked Sep 28, 20261,001-5,000160 contacts →

Partial evidence

“Qualus is a leading pure-play power services firm and innovator at the forefront of the energy transition and transformation, with differentiated capabilities across grid…”

Source: RevenueBase Database · checked Sep 28, 2026
2Strong evidenceMansfield, MA, United StatesHQ checked Sep 28, 202651-20077 contacts →

Strong evidence

“ControlPoint Technologies is advancing the Power & Energy industry through engineering, design, and analytical solutions enabling grid modernization and renewable energy…”

Source: RevenueBase Database · checked Sep 28, 2026
3Partial evidenceLewisville, TX, United StatesHQ checked Sep 28, 202611-5053 contacts →

Partial evidence

“EEPLUS is a niche strategic energy advisory firm specializing in all aspects of next generation grid, transmission and distribution infrastructure projects with a special focus on…”

Source: RevenueBase Database · checked Sep 28, 2026
4Indirect evidenceWashington, DC, United StatesHQ checked Sep 28, 2026n/a46 contacts →

Indirect evidence

“John & Hengerer LLP represents and advises energy companies, inlcuding natural gas producers, importers, processors, and marketers; gas and liquids pipeline operators; gas storage…”

Source: RevenueBase Database · checked Sep 28, 2026
5Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 28, 202611-5045 contacts →

Indirect evidence

“At Clean Energy Counsel, we devote our legal power to advancing clean energy and a sustainable future.”

Source: RevenueBase Database · checked Sep 28, 2026
6Indirect evidenceWorcester, MA, United StatesHQ checked Sep 28, 202611-5041 contacts →

Indirect evidence

“Daymark Energy Advisors is an economics and engineering consulting firm serving the North American electric power and natural gas industries.”

Source: RevenueBase Database · checked Sep 28, 2026
7Indirect evidenceLexington, MA, United StatesHQ checked Sep 28, 202611-5035 contacts →

Indirect evidence

“At Keegan Werlin LLP, we specialize in developing creative solutions to the complex challenges our clients encounter in their business environments.”

Source: RevenueBase Database · checked Sep 28, 2026
8Indirect evidenceRecife, BrazilHQ checked Sep 28, 202611-5032 contacts →

Indirect evidence

“A Regis Pontes Advogados é um escritório especializado em Direito de Energia, composto por profissionais especializados e experientes, e que tem por objetivo auxiliar seus…”

Source: RevenueBase Database · checked Sep 28, 2026
9Indirect evidenceOrinda, CA, United StatesHQ checked Sep 28, 202611-5031 contacts →

Indirect evidence

“2050 Partners helps organizations navigate regulatory complexity, implement impactful policies, and drive energy innovation.”

Source: RevenueBase Database · checked Sep 28, 2026
10Indirect evidenceWashington, DC, United StatesHQ checked Sep 28, 202611-5029 contacts →

Indirect evidence

“Spiegel & McDiarmid LLP was formed to represent the public side of our nation’s critical infrastructure industries, including energy, telecommunications and transportation.”

Source: RevenueBase Database · checked Sep 28, 2026
11Indirect evidenceRio De Janeiro, BrazilHQ checked Sep 28, 202611-5021 contacts →

Indirect evidence

“Faveret Tepedino Londres Fraga é um escritório de advocacia empresarial especializado em projetos de energia.”

Source: RevenueBase Database · checked Sep 28, 2026
12Partial evidenceBurford, United KingdomHQ checked Sep 28, 20261-1019 contacts →

Partial evidence

“Complex electricity grid connection challenges can derail critical infrastructure projects worth hundreds of millions.”

Source: RevenueBase Database · checked Sep 28, 2026
13Partial evidenceWashington, DC, United StatesHQ checked Sep 28, 20261-1018 contacts →

Partial evidence

“Amis, Patel & Brewer, LLP is a boutique law firm focused on providing legal services to the renewable energy and sustainability sectors.”

Source: RevenueBase Database · checked Sep 28, 2026
14Indirect evidenceTel Aviv, IsraelHQ checked Sep 28, 202611-5018 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 28, 2026
15Indirect evidenceSpokane, WA, United StatesHQ checked Sep 28, 202611-5018 contacts →

Indirect evidence

“Elevate Energy Consulting is dedicated to elevating the electricity sector through the clean energy transition.”

Source: RevenueBase Database · checked Sep 28, 2026
16Partial evidenceWashington, DC, United StatesHQ checked Sep 28, 202611-5017 contacts →

Partial evidence

“Grid Strategies LLC is a power sector consulting firm helping clients understand the opportunities and barriers to integrating clean energy into the electric grid.”

Source: RevenueBase Database · checked Sep 28, 2026
17Indirect evidenceWashington, DC, United StatesHQ checked Sep 28, 202611-5017 contacts →

Indirect evidence

“Rock Creek Energy Group is a group of diverse and like-minded professionals with a shared passion – Energy.”

Source: RevenueBase Database · checked Sep 28, 2026
18Partial evidenceBerlin, GermanyHQ checked Sep 28, 202611-5017 contacts →

Partial evidence

“Highly specialised law firm in renewable energy matters since 2012.”

Source: RevenueBase Database · checked Sep 28, 2026
19Partial evidencePortland, OR, United StatesHQ checked Sep 28, 202611-5016 contacts →

Partial evidence

“Energy, Environmental, and Telecommunications Law, these fields are undergoing constant change and rapid growth.”

Source: RevenueBase Database · checked Sep 28, 2026
20Indirect evidenceEssen, GermanyHQ checked Sep 28, 202611-5015 contacts →

Indirect evidence

“Rosin Büdenbender ist eine auf Energierecht spezialisierte Kanzlei mit Sitz in Essen.”

Source: RevenueBase Database · checked Sep 28, 2026
21Indirect evidenceWashington, DC, United StatesHQ checked Sep 28, 202611-5015 contacts →

Indirect evidence

“Mission Strategies is the premier boutique government affairs firm serving companies at the forefront of advanced energy, national security, emerging technologies, and domestic…”

Source: RevenueBase Database · checked Sep 28, 2026
22Indirect evidenceDenver, CO, United StatesHQ checked Sep 28, 202611-5014 contacts →

Indirect evidence

“Keyes & Fox represents public, private, and nonprofit entities at the forefront of the clean energy transition.”

Source: RevenueBase Database · checked Sep 28, 2026
23Indirect evidenceSalt Lake City, UT, United StatesHQ checked Sep 28, 202611-5012 contacts →

Indirect evidence

“LEAR & LEAR L.L.P.”

Source: RevenueBase Database · checked Sep 28, 2026
24Partial evidenceLewisville, TX, United StatesHQ checked Sep 28, 202611-5011 contacts →

Partial evidence

“Empowering the Future of Energy with AI-Driven Insights & Technical Expertise At GridAxon, we specialize in providing advanced analytics, grid modeling, and interconnection…”

Source: RevenueBase Database · checked Sep 28, 2026
25Indirect evidenceCalgary, CanadaHQ checked Sep 28, 202611-5010 contacts →

Indirect evidence

“EnerNEXT is a boutique legal and advisory platform based in Calgary, Alberta, specializing in energy, clean technology and sustainability.”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 25 of 213 grid modernization law firms worldwide

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Grid modernization law firms worldwide at a glance

As of Sep 28, 2026
27.4%Verified-email coverage
12.3Average contacts per company
1-10Median size (employees)
5.6%Largest-city concentration · Washington
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
147
11-50
56
51-200
2
1,001-5,000
8

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 grid modernization law firms, 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 grid modernization law firms are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “grid modernization law firms”. 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 grid modernization law firms), 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 grid modernization law firms, 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, 716 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 28, 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.

Grid modernization law firms by location

1 lists · largest first

Every Grid modernization law firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 grid modernization law firms, 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 grid modernization law firms are there worldwide?

RevenueBase identified 213 grid modernization law firms 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?

Power Grid Engineering, LLC, headquartered in Lake Mary, tops this list with the largest team on record.

Which country has the most grid modernization law firms?

The United States leads with 87 companies. Every grid modernization law firms list by country and city is linked on this page.

Which city has the most grid modernization law firms?

Washington leads with 12 headquartered companies, followed by Calgary (6) and Berlin (5).

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 716 verified decision-maker contacts tracked across these 213 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 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 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.