All lobbying filings

Lobbying spending

Who spends the most influencing Congress: top clients and lobbying firms by total reported spend, from federal Lobbying Disclosure Act filings.

Spend by issue

All years 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015

Totals are by the name exactly as reported on each filing. We don't merge name variants of the same company, so one firm may appear more than once. "Spend" = reported income (fees paid to lobbyists) plus in-house lobbying expenses.

Top clients

UNIVERSITY OF WISCONSIN MEDICAL FOUNDATION/UW HEALTH $40,000.00 1 filing
BIOMARIN PHARMACEUTICAL, INC. $30,000.00 1 filing
RECOLOGY INC. $30,000.00 1 filing

Top lobbying firms

VENN STRATEGIES, LLC $100,000.00 3 filings

Source: federal Lobbying Disclosure Act filings. Money fields are self-reported by filers and often rounded or left blank.