Mayer Brown LLP
Mayer Brown LLP is a lobbying firm that has earned $23.6M in lobbying income across 582 filings, representing 103 clients over 8 years (2018–2025). The firm employs 20 lobbyists across 33 policy issue areas.
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Mayer Brown LLP has earned $23.6M in lobbying income across 582 filings, representing 103 clients. It is a significant player in the federal lobbying industry. across 33 policy areas. Active from 2018 to 2025.
$23.6M
Total Income
103
Clients
20
Lobbyists
582
Filings
Income by Year
| Year | Lobbying Income |
|---|---|
| 2018 | $2.6M |
| 2019 | $2.7M |
| 2020 | $2.9M |
| 2021 | $2.7M |
| 2022 | $2.8M |
| 2023 | $3.2M |
| 2024 | $2.5M |
| 2025 | $4.3M |
Clients (103)
U.S. Venture, INC. (Formerly U.S. Oil)Arista Networks, INC.AT&T Services INCCaithness EnergyUS Chamber of CommerceCtia - the Wireless AssociationIfm Investors PTY LTD.Nokia Solutions and Networks US LLC (Formerly Alcatel-lucent USA INC )Property Casualty Insurers Association of AmericaStudsvik INCSuniva, INC.Swiss Bankers Association21st Century Privacy CoalitionUnited States Telecom AssociationVerizon Communications INC and Various SubsidiariesWilliams Companies (Formerly Williams Partners LP)Aluminum Extruders CouncilAgrofresh Solutions, INC.BP Corporation North America INC.Customs Advisory Services, INC.Sonos INC.Uber Technologies, INC.Visa INC.Weldbend CorporationSabin Metal CorporationLending Tree, INC.Huntsman CorporationTemasek Capital Management Pte LTD.Galata Chemicals, LLCCree, INC.Federal-mogul Motorparts CorporationAbbott LaboratoriesChubb Ina Holdings, INC. (Formerly Ace Ina Holdings, INC.)American Specialty HealthArkema INCSouthwire Company, LLCMec Aerial Work PlatformsEvenflo Feeding INC.Goodbaby InternationalMedline Industries, L.P. (Formerly Medline Industries, INC.)Amy's Kitchen, INC.Eog Resources INC.Klesch & Company LTD.United States Steel CorporationSalim Group, INC.Chevron CorpIntel CorporationThe City of Los Angeles Harbor DepartmentProduction Technology and Services INC.Albemarle Corporation+53 more
Lobbyists (20)
Issue Areas (33)
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Data Sources: Senate LDA Filings
Last updated: February 2026
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