Capitol Clarity / Lobbyists / M / William Campbell King Mueller

William Campbell King Mueller: federal lobbyist

William Campbell King Mueller is named as a lobbyist on federal disclosure filings for 34 clients through Mindset Advocacy, LLC. The most recent filing naming them posted in October 2026. Issues reported include Taxation/Internal Revenue Code, Financial Institutions/Investments/Securities, Banking and Consumer Issues/Safety/Products.

34Clients on filings
1Registrants
23Issue categories
2Years with reports

Former government positions listed

Filers must list covered executive or legislative branch positions held. As filed:

Clients and registrants

ClientRegistrantLatestIssues
VISA USA, INC.MINDSET ADVOCACY, LLCQ3 2026Financial Institutions/Investments/Securities, Taxation/Internal Revenue Code, Homeland Security
SUMITOMO MITSUI BANKING CORPORATION (SMBC)MINDSET ADVOCACY, LLCQ3 2026Financial Institutions/Investments/Securities, Banking, Taxation/Internal Revenue Code
SHELL USA, INC.MINDSET ADVOCACY, LLCQ3 2026Taxation/Internal Revenue Code
RBC CAPITAL MARKETS, LLCMINDSET ADVOCACY, LLCQ3 2026Financial Institutions/Investments/Securities, Taxation/Internal Revenue Code, Housing
SH ADVISORS, LLC DBA SITUS HAWKMINDSET ADVOCACY, LLCQ3 2026Aviation/Airlines/Airports
REGIONS BANKMINDSET ADVOCACY, LLCQ3 2026Financial Institutions/Investments/Securities
PURPOSE FINANCIAL, INC.MINDSET ADVOCACY, LLCQ3 2026Financial Institutions/Investments/Securities
PFS INVESTMENTS, INC.MINDSET ADVOCACY, LLCQ3 2026Retirement, Taxation/Internal Revenue Code, Consumer Issues/Safety/Products
PWC US GROUP LLPMINDSET ADVOCACY, LLCQ3 2026Accounting, Taxation/Internal Revenue Code
PLAID INC.MINDSET ADVOCACY, LLCQ3 2026Financial Institutions/Investments/Securities, Taxation/Internal Revenue Code, Consumer Issues/Safety/Products
PAYPAL, INC.MINDSET ADVOCACY, LLCQ3 2026Financial Institutions/Investments/Securities, Taxation/Internal Revenue Code
NOMURA HOLDING AMERICA, INC.MINDSET ADVOCACY, LLCQ3 2026Financial Institutions/Investments/Securities, Taxation/Internal Revenue Code, Commodities (big ticket)
NATIONWIDE INSURANCEMINDSET ADVOCACY, LLCQ3 2026Insurance, Retirement, Taxation/Internal Revenue Code
METROPOLITAN LIFE INSURANCE COMPANYMINDSET ADVOCACY, LLCQ3 2026Retirement, Taxation/Internal Revenue Code
KOCH GOVERNMENT AFFAIRSMINDSET ADVOCACY, LLCQ3 2026Taxation/Internal Revenue Code
INTUIT, INC. AND AFFILIATESMINDSET ADVOCACY, LLCQ3 2026Financial Institutions/Investments/Securities, Trade (domestic/foreign), Budget/Appropriations
INTERNATIONAL COUNCIL OF SHOPPING CENTERS, INC. DBA ICSCMINDSET ADVOCACY, LLCQ3 2026Banking, Taxation/Internal Revenue Code
HCBS ADVOCACY, LLCMINDSET ADVOCACY, LLCQ3 2026Taxation/Internal Revenue Code
THE GOLDMAN SACHS GROUP, INC.MINDSET ADVOCACY, LLCQ3 2026Financial Institutions/Investments/Securities
FINANCIAL TECHNOLOGY ASSOCIATION (FTA)MINDSET ADVOCACY, LLCQ3 2026Financial Institutions/Investments/Securities, Taxation/Internal Revenue Code
FLUENCE ENERGY, LLCMINDSET ADVOCACY, LLCQ3 2026Transportation, Taxation/Internal Revenue Code, Energy/Nuclear
DUKE ENERGY BUSINESS SERVICES LLCMINDSET ADVOCACY, LLCQ3 2026Utilities, Waste (hazardous/solid/interstate/nuclear), Taxation/Internal Revenue Code
CHIME FINANCIAL, INC.MINDSET ADVOCACY, LLCQ3 2026Financial Institutions/Investments/Securities, Banking, Taxation/Internal Revenue Code
MELLON FINANCIAL SERVICES CORPORATION #1MINDSET ADVOCACY, LLCQ3 2026Economics/Economic Development, Banking, Taxation/Internal Revenue Code
ASSOCIATION FOR CONSUMER DEBT RELIEF(ACDR)MINDSET ADVOCACY, LLCQ3 2026Financial Institutions/Investments/Securities
ARCH CAPITAL GROUP (U.S.) INC.MINDSET ADVOCACY, LLCQ3 2026Housing
ADVANTAGE CAPITALMINDSET ADVOCACY, LLCQ3 2026Financial Institutions/Investments/Securities, Taxation/Internal Revenue Code
ABIRMINDSET ADVOCACY, LLCQ3 2026Taxation/Internal Revenue Code
INSTITUTE FOR PORTFOLIO ALTERNATIVES (IPA)MINDSET ADVOCACY, LLCQ2 2026Taxation/Internal Revenue Code
ZILLOW GROUP, INC.MINDSET ADVOCACY, LLCQ1 2026Financial Institutions/Investments/Securities, Taxation/Internal Revenue Code
LPL FINANCIAL LLCMINDSET ADVOCACY, LLCQ4 2025Taxation/Internal Revenue Code
INVESTMENT ADVISER ASSOCIATION (IAA)MINDSET ADVOCACY, LLCQ4 2025Taxation/Internal Revenue Code
KLARNA INC.MINDSET ADVOCACY, LLCQ3 2025Financial Institutions/Investments/Securities
EVGO SERVICES LLCMINDSET ADVOCACY, LLCQ3 2025Transportation, Energy/Nuclear, Automotive Industry

Activity by year

YearClientsRegistrants
2026301
2025311

Contributions reported on Form LD-203

YearItemsTotal
20266$8K

Pay is not disclosed for individual lobbyists. Filings do not confirm that records with the same name are one person, so this page may combine people who share the name William Campbell King Mueller. See the Capitol Clarity rankings and method.