K
Kelly Scott Madison
Chicago, Illinois, United States · Founded 1984
51-200 employees
Sourced & current · updated Oct 22, 2026
Kelly Scott Madison (KSM) is an independent, full-service media agency headquartered in Chicago, specializing in media planning, buying, and analytics for mid-market and national brands.
Where they sit
Marketing AgencyProgrammatic Platform
One of the largest independent media agencies in the United States, known for transparent, data-driven media services for mid-market and national brands