MAYERBROWN
2025–2026 federal contribution records · FEC Schedule A
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Contribution summary
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Reading the shared contribution publication for this cycle.
2025–2026 federal contribution records · FEC Schedule A
Loading the financial summary…
Reading the shared contribution publication for this cycle.
Federal contribution records grouped across normalized variants of this reported employer. Contributions are made by individuals, not by the employer.
Current-version rows · memo entries excluded from net amount
Last updated . These are the last published financial totals; newer source data is not included yet.
Across this cycle, 98,314 contributions come from electronic filings the FEC has not yet processed into its bulk data; those rows are replaced by the FEC version when it does.
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These immutable labels appeared in FEC filings and are grouped under MAYERBROWN.
Showing the last published contribution snapshot. Newer source data is not included yet.
Top 10 contributors and top 10 recipients · independent of list pagination
Explore the reported connections for Mayer Brown LLP. Contributor and recipient lists are available below.
Data: GovMoneyGraph, based on FEC records. Groupings and recipient-party allocations are derived analysis, not FEC-verified identities or party registrations. Read our contribution and classification methodology.
Reported contributor groups, with evidence-based name-variant matching; not verified unique people · 10 per page
Showing 41–50 of 125 · largest absolute amount first
Reported name + ZIP cluster; not a verified identity merge · NEW YORK, NY, 10024 · MAYER BROWN · Legal & Professional Services · LAWYER · 4 transaction rows
DemocraticDerived from contributionsEvidence-based cluster of 2 reported identities; not a verified identity merge · WASHINGTON, DC, 20010 · MAYER BROWN LLP · Legal & Professional Services · ATTORNEY · Reported as HICKEY, ADAM / HICKEY, ADAM SEAN · 9 transaction rows
DemocraticDerived from contributionsReported name + ZIP cluster; not a verified identity merge · NEW YORK, NY, 10012 · MAYER BROWN · Legal & Professional Services · LAWYER · 5 transaction rows
DemocraticDerived from contributionsReported name + ZIP cluster; not a verified identity merge · RYE BROOK, NY, 10573 · MAYER BROWN · Legal & Professional Services · PARTNER · 4 transaction rows
72% Democratic · 28% unclassifiedDerived from contributionsEvidence-based cluster of 2 reported identities; not a verified identity merge · CHICAGO, IL, 60610 · MAYER BROWN LLP · Legal & Professional Services · ATTORNEY · Reported as HORSNAIL, JOANNA / HORSNAIL, JOANNA K. · 6 transaction rows
DemocraticDerived from contributionsReported name + ZIP cluster; not a verified identity merge · WASHINGTON, DC, 20016 · MAYER BROWN LLP · Legal & Professional Services · LAWYER · 6 transaction rows
DemocraticDerived from contributionsReported name + ZIP cluster; not a verified identity merge · HIGHLAND PARK, IL, 60035 · MAYER BROWN LLP · Legal & Professional Services · ATTORNEY · 3 transaction rows
DemocraticDerived from contributionsReported name + ZIP cluster; not a verified identity merge · MANHATTAN BEACH, CA, 90266 · MAYER BROWN LLP · Legal & Professional Services · ATTORNEY · 1 transaction rows
100% Democratic · 0% unclassifiedDerived from contributionsReported name + ZIP cluster; not a verified identity merge · MOUNT PROSPECT, IL, 60056 · MAYER BROWN LLP · Legal & Professional Services · ATTORNEY · 1 transaction rows
DemocraticDerived from contributionsReported name + ZIP cluster; not a verified identity merge · OAK PARK, IL, 60302 · MAYER BROWN LLP · Legal & Professional Services · LAWYER · 4 transaction rows
DemocraticDerived from contributionsWhere the contributions went · 10 per page
Showing 101–110 of 247 · largest absolute amount first
House campaign committee · FAIRFIELD, CA · GARAMENDI, JOHN · U.S. House CA 08 · 2 transaction rows
DemocraticDerived from contributionsHouse campaign committee · BAY CITY, MI · MCDONALD RIVET, KRISTEN · U.S. House MI 08 · 2 transaction rows
DemocraticDerived from contributionsHouse campaign committee · HARTFORD, CT · LARSON, JOHN B · U.S. House CT 01 · 2 transaction rows
DemocraticDerived from contributionsPAC (not qualified) · WILLIAMSBURG, VA · 2 transaction rows
DemocraticDerived from contributionsHouse campaign committee · WASHINGTON, DC · SIMMONS, MIKE · U.S. House IL 09 · 2 transaction rows
DemocraticDerived from contributionsHouse campaign committee · NORTH LAS VEGAS, NV · HORSFORD, STEVEN ALEXZANDER · U.S. House NV 04 · 2 transaction rows
DemocraticDerived from contributionsPAC (not qualified) · FOXBORO, MA · 2 transaction rows
DemocraticDerived from contributionsHouse campaign committee · EVANSTON, IL · PYATI, NICK · U.S. House IL 09 · 2 transaction rows
DemocraticDerived from contributionsHouse campaign committee · ATHENS, GA · SMUCKER, LLOYD K. · U.S. House PA 11 · 2 transaction rows
RepublicanDerived from contributionsHouse campaign committee · IVY, VA · PERRIELLO, THOMAS · U.S. House VA 05 · 2 transaction rows
DemocraticDerived from contributionsReported as MAYERBROWN
Industry classification summary
Mayer Brown LLP is a global law firm headquartered in Chicago, providing comprehensive legal services across various sectors. The research confirms its primary identity and industry, with verified URLs supporting its status as a professional services firm.
AI-generated classification based on saved sources
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