Top Lobbying Firms
K Street's biggest players — ranked by total income from lobbying clients, 2018–2025.
AI Overview
Lobbying firms are the middlemen of influence — K Street firms like Brownstein Hyatt and Akin Gump represent dozens of clients simultaneously, giving them outsized access to lawmakers. The biggest firms earn tens of millions annually from clients seeking to shape legislation. A firm's client list reveals which industries are fighting hardest to influence policy, and which issues are generating the most lobbying demand.
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About Lobbying Firms
Our database includes 7,757 lobbying firms that have filed quarterly activity reports with the Senate. These K Street firms serve as intermediaries between corporations and Congress, representing dozens of clients simultaneously and deploying networks of lobbyists with specialized relationships and expertise.
Firms with former government officials on staff command a 369% revenue premium over those without — demonstrating the quantifiable value of the revolving door. Click any firm to explore their client portfolio, lobbyist roster, issue specializations, and revenue history.