Horizon Media

Largest independent media agency in the United States

Horizon Media is the largest independent media agency in the United States, founded in 1989 by Bill Koenigsberg. The company provides full-service media planning, buying, and marketing services across traditional and digital channels, serving major national and international brands. With a client roster that includes Fortune 500 companies, Horizon Media manages billions of dollars in media spend annually. The agency operates through a model that combines strategic media planning with data-driven insights and creative marketing solutions. Horizon Media has built specialized practices across various verticals and capabilities, including entertainment marketing, multicultural marketing, sports and experiential marketing, and programmatic media buying. The company has consistently grown through both organic expansion and strategic acquisitions of specialized agencies and technology platforms. Horizon Media differentiates itself in the market through its independence, allowing it to maintain client-focused agility without the constraints of holding company ownership. The agency has invested heavily in proprietary technology and data analytics capabilities to compete with larger holding company agencies, while maintaining a culture of entrepreneurship and innovation. With over 2,300 employees across multiple offices, Horizon Media represents a significant force in the media agency landscape.