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MERCURY PUBLIC AFFAIRS, LLC

Registrant on federal lobbying filings · filed 2025 to 2026

$46,558,700 Income reported
175 Clients represented
889 Filings counted
2 Former members lobbying

Income is the fees this registrant reported being paid to lobby. 85 filings on this record were restated by a later amendment and are left out of every total here. Everything on this page is grouped by the registrant's LDA id (70175), not by name.

 Clients top 50 of 175

Ranked by reported money. 175 clients in total.

 Lobbyists named 9
  • CHERI BUSTOS 217 filings · through 2026 Former member of Congress
  • DAVID BRUCE VITTER 143 filings · through 2026 Former member of Congress
  • JONATHAN PYATT 57 filings · through 2026 Jon Pyatt Chief of Staff, Rep. Cheri Bustos (2015-2020); Deputy Chief of Staff and Floor Director, Rep. Debbie Wasserman Schultz 2005-2011).
  • PATRICK COSTELLO 37 filings · through 2026 2005 - 2008 (Congressman Jon Porter)
  • PETER KUCIK 30 filings · through 2026 US House of Rep. 200-2006
  • MICHAEL MCSHERRY 24 filings · through 2026 U.S. Department of Labor U.S. Department of Housing and Urban Development
  • MICHAEL SOLIMAN 23 filings · through 2026 September 2007 - September 2013, State Director to U.S. Senator Robert Menendez (D- NJ)
  • DANIEL BOYLE 1 filing · through 2026 Special assistant to the president January 2025 - April 2026
  • JAMES COSTELLO 1 filing · through 2026 " 2005 - 2008 (Congressman Jon Porter)"

A lobbyist who previously held a covered government position must disclose it. We flag the ones whose name resolves to a member of Congress and link the ones still in our roster. The revolving door collects them across every firm.

 Reported by year 2 years
  • 2026 $20,730,000 383 filings
  • 2025 $25,828,700 506 filings
 Agencies and chambers lobbied top 30 of 37
  • HOUSE OF REPRESENTATIVES 500
  • SENATE 494
  • Office of Administration 259
  • White House Office 166
  • State, Dept of (DOS) 74
  • Commerce, Dept of (DOC) 58
  • Energy, Dept of 55
  • Treasury, Dept of 55
  • Transportation, Dept of (DOT) 52
  • Executive Office of the President (EOP) 47
  • Environmental Protection Agency (EPA) 37
  • Defense, Dept of (DOD) 35
  • Agriculture, Dept of (USDA) 28
  • Justice, Dept of (DOJ) 21
  • Education, Dept of 20
  • Health & Human Services, Dept of (HHS) 18
  • U.S. Trade Representative (USTR) 17
  • Natl Security Council (NSC) 11
  • Labor, Dept of (DOL) 10
  • Veterans Affairs, Dept of (VA) 9
  • Centers For Medicare and Medicaid Services (CMS) 8
  • Internal Revenue Service (IRS) 8
  • Office of Science & Technology Policy (OSTP) 8
  • Federal Reserve System 7
  • General Services Administration (GSA) 7
  • Intl Trade Administration (ITA) 7
  • Natl Economic Council (NEC) 7
  • Interior, Dept of (DOI) 6
  • Bureau of Industry and Security (BIS) 5
  • Federal Communications Commission (FCC) 5
 Recent filings 974 total
Q2 amendment
THE SORCY INVESTMENTS TRUST
2nd Quarter 2026 (Apr 1 - June 30) · $120,000 income · posted Nov 2, 2026
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Q2 termination
SEMI GLOBAL
2nd Quarter 2026 (Apr 1 - June 30) · $30,000 income · posted Nov 2, 2026
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Q2 termination
KEYSTONE STRATEGIC ADVISORS OBO BATRIC RADUNOVIC
2nd Quarter 2026 (Apr 1 - June 30) · House · Senate · $120,000 income · posted Nov 2, 2026
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Q2 termination
JEFFER MANGELS BUTLER & MITCHELL LLP OBO DATELINE RESOURCES LIMITED
2nd Quarter 2026 (Apr 1 - June 30) · $40,000 income · posted Nov 2, 2026
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Q2 termination
GRUP IMMOBILIARI CIERCO
2nd Quarter 2026 (Apr 1 - June 30) · House · Senate · $100,000 income · posted Nov 2, 2026
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Q2 termination
ELANCO US INC.
2nd Quarter 2026 (Apr 1 - June 30) · $60,000 income · posted Nov 2, 2026
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Q2 termination
CADA ENERGY, INC
2nd Quarter 2026 (Apr 1 - June 30) · $40,000 income · posted Nov 2, 2026
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Q2 termination
BETTER SCHOOLS FOR A BETTER FUTURE
2nd Quarter 2026 (Apr 1 - June 30) · House · Senate · $70,000 income · posted Nov 2, 2026
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Q3 amendment
SOLANA POLICY INSTITUTE
3rd Quarter 2026 (July 1 - Sep 30) · House · Senate · $110,000 income · posted Nov 2, 2026
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Q3 amendment
ORACLE AMERICA INC. FKA ORACLE CORPORATION
3rd Quarter 2026 (July 1 - Sep 30) · House · Senate · $60,000 income · posted Nov 2, 2026
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Q3 amendment
OPEN AI
3rd Quarter 2026 (July 1 - Sep 30) · House · Senate · $50,000 income · posted Nov 2, 2026
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Q3 amendment
ONE EARTH SEQUESTATION LLC
3rd Quarter 2026 (July 1 - Sep 30) · $50,000 income · posted Oct 28, 2026
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Q3 amendment
NATIONAL DOMESTIC VIOLENCE HOTLINE
3rd Quarter 2026 (July 1 - Sep 30) · House · Senate · $40,000 income · posted Oct 28, 2026
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Q3 amendment
NATIONAL AGRICULTURAL GENOTYPING CENTER
3rd Quarter 2026 (July 1 - Sep 30) · House · Senate · $20,000 income · posted Oct 28, 2026
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Q3 amendment
MESSER FINANCIAL GROUP
3rd Quarter 2026 (July 1 - Sep 30) · House · Senate · $110,000 income · posted Oct 28, 2026
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Q3 amendment
LINEBARGER GOGGAN BLAIR & SAMPSON
3rd Quarter 2026 (July 1 - Sep 30) · $20,000 income · posted Oct 28, 2026
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Q3 amendment
KNOX COUNTY AREA PARTNERSHIP FOR ECONOMIC DEVELOPMENT
3rd Quarter 2026 (July 1 - Sep 30) · House · Senate · $20,000 income · posted Oct 28, 2026
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Q3 amendment
KOREA ZINC COMPANY, LTD.
3rd Quarter 2026 (July 1 - Sep 30) · House · Senate · $360,000 income · posted Oct 28, 2026
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Q3 amendment
ILLINOIS STATE UNIVERSITY
3rd Quarter 2026 (July 1 - Sep 30) · House · Senate · $20,000 income · posted Oct 28, 2026
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Q3 amendment
SOYBEAN GROWERS (FKA ILLINOIS SOYBEAN ASSOCIATION)
3rd Quarter 2026 (July 1 - Sep 30) · House · Senate · $20,000 income · posted Oct 28, 2026
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Showing the 20 most recent of 974 filings. Search the explorer for "MERCURY PUBLIC AFFAIRS, LLC".

Filings through , the newest posted date on this record. Source: federal Lobbying Disclosure Act filings, synced daily. Money is self-reported by the filer and often rounded. Lobbying is legal, disclosed activity.

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