Gamble & Schlemeier, Ltd. is Missouri's largest government relations firm, bringing together 150 years of collective experience in legislative and regulatory affairs. Over the last 30 years, our top-ranked Missouri lobbyists have fostered bipartisan relationships with local, state, and federal lawmakers while negotiating public policy changes on behalf of clients across every major industry. 

We proudly represent trade and professional associations, corporations, small businesses, and local governments, offering a full range of government affairs and lobbying services. We maintain a robust presence in the Missouri Capitol, having spent decades building strong, trusting relationships with the Legislature, the Governor’s administration, and other statewide office holders.