Leo (formerly Leo Burnett)
Leo Burnett was founded in Chicago in 1935 and in 2025 became the anchor of Leo, the creative network of Publicis Groupe, which reports 15,000 people across 90 markets. Leo Chicago remains the network's flagship U.S. office and handles global and U.S. campaigns for McDonald's, Gatorade, Oreo and Bank of America. It is owned by Publicis Groupe. Nobody pays to be ranked.
Why it’s hereChicago's defining creative agency for 90 years; Leo Chicago won a Global Grand Effie in 2025 and the network was named Effie's most effective creative network in 2024. Number 1 of the advertising agencies in the Midwest.
Estimated: $8,000–$30,000/mo, typical for Midwest advertising retainers; not a quote.
Typical industry estimate, not a quote from any firm on this list.
A fit forLarge national and global consumer brands, such as McDonald's, Gatorade, Heineken and Oreo shown on its site, that need big creative campaigns backed by a holding company's media and data teams.
- Based in
- Chicago, IL
- Founded
- 1935
- Team size
- 500+ people
- Known for
- creative · global brand campaigns · CPG and QSR · holding company: Publicis Groupe
- Named clients
- McDonald's, Gatorade, Oreo, Bank of America, Heineken, Renault, AXA
- Best for
- Large national and global consumer brands, such as McDonald's, Gatorade, Heineken and Oreo shown on its site, that need big creative campaigns backed by a holding company's media and data teams.
- Estimated cost
Estimated: $8,000–$30,000/mo, typical for Midwest advertising retainers; not a quote.
Typical industry estimate, not a quote from any firm on this list.
UpdateIn January 2025 Publicis Groupe merged Leo Burnett with Publicis Worldwide into one network called Leo; leoburnett.com now presents the Leo Constellation.
Sources leoburnett.com, en.wikipedia.org
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