Find a lobbyist

672 firms have filed work on this in Congress and federal agencies. Ranked by matching filed work and recent client activity.

Matched to the lobbying forms’ issue areas: Energy/Nuclear.

1Holland & Knight LLP
Worked on Energy/Nuclear for 77 clients in 2024–2026 filings.
Typical fee
$30K–$60K a quarter
Active clients
302 · records from 2012
Team
109 lobbyists, 52 former government staff
Works for
Sable Offfshore Corp., Oklo Inc., Occidental Petroleum Corporation
Calculated October 6, 2026. May be out of date.
See their record
2Cornerstone Government Affairs, Inc.
Worked on Energy/Nuclear for 55 clients in 2024–2026 filings.
Typical fee
$30K–$50K a quarter
Active clients
355 · records from 2012
Team
111 lobbyists, 73 former government staff
Works for
Google Client Services, Fund for a Better Future, Inc., Riot Platforms, Inc.
Calculated October 6, 2026. May be out of date.
See their record
3Boundary Stone Partners
Worked on Energy/Nuclear for 68 clients in 2024–2026 filings.
Typical fee
$30K–$60K a quarter
Active clients
32 · records from 2017
Team
36 lobbyists, 16 former government staff
Works for
Antora Energy, Mazama Energy, Ike Smart City, LLC
Calculated October 6, 2026. May be out of date.
See their record
4K&L Gates, LLP
Worked on Energy/Nuclear for 43 clients in 2024–2026 filings.
Typical fee
$20K–$60K a quarter
Active clients
168 · records from 2012
Team
59 lobbyists, 34 former government staff
Works for
Opal Fuels Inc., Zeno Power Systems, Inc., Berkshire Hathaway Energy
Calculated October 6, 2026. May be out of date.
See their record
5Strategic Marketing Innovations
Worked on Energy/Nuclear for 53 clients in 2024–2026 filings.
Typical fee
$20K–$40K a quarter
Active clients
174 · records from 2012
Team
35 lobbyists, 17 former government staff
Works for
The Battery Advocacy for Technology Transformation (BATT) Coalition, The Chemours Company, Marquette University
Calculated October 6, 2026. May be out of date.
See their record
6Cassidy & Associates, Inc.
Worked on Energy/Nuclear for 51 clients in 2024–2026 filings.
Typical fee
$30K–$60K a quarter
Active clients
166 · records from 2012
Team
38 lobbyists, 29 former government staff
Works for
Valhalla Impact LLC, Clearpath Action Fund for Conservative Clean Energy, Inc., Calpine Corporation
Calculated October 6, 2026. May be out of date.
See their record
7Alpine Group Partners, LLC.
Worked on Energy/Nuclear for 45 clients in 2024–2026 filings.
Typical fee
$40K–$60K a quarter
Active clients
94 · records from 2012
Team
23 lobbyists, 21 former government staff
Works for
The Sustainable Aviation Fuel Coalition, RWE, Vistra Corporate Services Company
Calculated October 6, 2026. May be out of date.
See their record
8Brownstein Hyatt Farber Schreck, LLP
Worked on Energy/Nuclear for 32 clients in 2024–2026 filings.
Typical fee
$40K–$80K a quarter
Active clients
367 · records from 2012
Team
116 lobbyists, 76 former government staff
Works for
Dtek International Limited, Woodside Energy, Honeywell International Inc.
Calculated October 6, 2026. May be out of date.
See their record
9Invariant LLC
Worked on Energy/Nuclear for 36 clients in 2024–2026 filings.
Typical fee
$50K–$80K a quarter
Active clients
189 · records from 2012
Team
86 lobbyists, 66 former government staff
Works for
Poet LLC, SK Americas, Inc., Archer Aviation Inc.
Calculated October 6, 2026. May be out of date.
See their record
10Lot Sixteen LLC
Worked on Energy/Nuclear for 40 clients in 2024–2026 filings.
Typical fee
$30K–$50K a quarter
Active clients
41 · records from 2017
Team
18 lobbyists, 12 former government staff
Works for
Northern California Power Agency, Orsted North America Inc., North Slope Borough
Calculated October 6, 2026. May be out of date.
See their record
11Bracewell LLP
Worked on Energy/Nuclear for 34 clients in 2024–2026 filings.
Typical fee
$30K–$75K a quarter
Active clients
70 · records from 2012
Team
19 lobbyists, 9 former government staff
Works for
Energy Forward, Air Liquide USA LLC, Cameco Corporation
Calculated October 6, 2026. May be out of date.
See their record
12Forbes-Tate
Worked on Energy/Nuclear for 27 clients in 2024–2026 filings.
Typical fee
$40K–$60K a quarter
Active clients
126 · records from 2012
Team
35 lobbyists, 19 former government staff
Works for
General Atomics, National Grid USA Service Company, Inc. D/B/A National Grid, Abb Inc.
Calculated October 6, 2026. May be out of date.
See their record
13Continental Strategy, LLC
Worked on Energy/Nuclear for 31 clients in 2024–2026 filings.
Typical fee
$38K–$105K a quarter
Active clients
168 · records from 2021
Team
26 lobbyists, 10 former government staff
Works for
Gran Tierra Energy Inc., DP Delta Finance B.V., Mercuria Energy America, LLC
Calculated October 6, 2026. May be out of date.
See their record
14Squire Patton Boggs
Worked on Energy/Nuclear for 31 clients in 2024–2026 filings.
Typical fee
$30K–$80K a quarter
Active clients
188 · records from 2012
Team
65 lobbyists, 38 former government staff
Works for
Polar LNG, Government of U.S. Virgin Islands, Solar Energy Industries Association
Calculated October 6, 2026. May be out of date.
See their record
15BGR Government Affairs
Worked on Energy/Nuclear for 29 clients in 2024–2026 filings.
Typical fee
$50K–$80K a quarter
Active clients
362 · records from 2012
Team
58 lobbyists, 53 former government staff
Works for
Nebius Group N.V., Orsted North America, Inc., Ameresco, Inc.
Calculated October 6, 2026. May be out of date.
See their record
16Crossroads Strategies, LLC
Worked on Energy/Nuclear for 26 clients in 2024–2026 filings.
Typical fee
$30K–$60K a quarter
Active clients
169 · records from 2012
Team
28 lobbyists, 22 former government staff
Works for
Sable Offshore Corp., Atkinsrealis Nuclear Secured, LLC, Sempra Energy
Calculated October 6, 2026. May be out of date.
See their record
17Ballard Partners
Worked on Energy/Nuclear for 26 clients in 2024–2026 filings.
Typical fee
$40K–$110K a quarter
Active clients
322 · records from 2017
Team
43 lobbyists, 22 former government staff
Works for
Gunvor USA, LLC F.K.A. Nerobreeze Limited, Nahigian Strategies on Behalf of Clarios, Totalenergies Ep Mozambique Area 1
Calculated October 6, 2026. May be out of date.
See their record
18Akin Gump Strauss Hauer & Feld
Worked on Energy/Nuclear for 29 clients in 2024–2026 filings.
Typical fee
$40K–$80K a quarter
Active clients
310 · records from 2012
Team
90 lobbyists, 56 former government staff
Works for
Partnership to Address Global Emissions, Inc., Stack Infrastructure, Inc., Enhanced Geothermal Systems Deployment Coalition
Calculated October 6, 2026. May be out of date.
See their record
19Miller Strategies, LLC
Worked on Energy/Nuclear for 27 clients in 2024–2026 filings.
Typical fee
$60K–$150K a quarter
Active clients
172 · records from 2017
Team
13 lobbyists, 10 former government staff
Works for
Blackstone Administrative Services Partnerships L.P., Fermi America, Grey Rock Net Zero Opportunities Fund I, LP
Calculated October 6, 2026. May be out of date.
See their record
20Thorn Run Partners
Worked on Energy/Nuclear for 22 clients in 2024–2026 filings.
Typical fee
$20K–$50K a quarter
Active clients
252 · records from 2012
Team
42 lobbyists, 24 former government staff
Works for
Serena Power, LLC, Bio-Lng Maritime Fuel Coalition, First Solar, Inc.
Calculated October 6, 2026. May be out of date.
See their record

Rankings use matching bills, issue areas, words on filings and recent client counts. Fees are what firms reported earning per client, as the middle half of their recent reports. This is a record of work filed, not a rating or an endorsement.