Leo Burnett
Advertising ServicesIllinois, United States5001-10000 Employees
Leo Burnett is a communications agency in the advertising services industry, based in Chicago, Illinois. It operates under a HumanKind operating system that blends creativity, data, and technology to influence human behavior and support client prosperity. As part of Publicis Communications, it belongs to one of the world’s largest agency networks with a broad global footprint and thousands of employees. Its client roster includes brands such as Aldi, Bank of America, Campbell's, Dunkin, Firestone, Jim Beam, Kellogg's, Nintendo, Tillamook, and UnitedHealthcare. The agency serves global brands across consumer goods, financial services, entertainment, and healthcare sectors, delivering branding and communications solutions to address market challenges. In 2025, Leo Burnett merged with Publicis North America, expanding its network and capabilities.