10 Best Marketing Agencies in Illinois [2026 Updated]

1. Spark Foundry

• Focus: Media selection
• URL: https://www.sparkfoundryww.com/
• Overview: Established in 2017, Spark Foundry is a Chicago-based advertising agency offering media selection services. As part of Publicis Groupe, it operates globally with over 2,000 employees.

2. Tom, Dick & Harry Creative Co.

• Focus: Integrated marketing communications
• URL: https://tdhcreative.com/
• Overview: Founded in 2002, this Chicago agency specializes in integrated marketing communications for businesses and non-profits. Notable for launching the Big Ten Network, it has a diverse client portfolio.

3. Laughlin Constable

• Focus: Advertising and public relations
• URL: https://laughlin.com/
• Overview: With offices in Chicago and Milwaukee, Laughlin Constable offers advertising and public relations services. Founded in 1976, it has grown to over 120 employees and serves clients worldwide.

4. Burrell Communications Group

• Focus: Multicultural marketing
• URL: http://www.burrell.com/
• Overview: Established in 1971, Burrell Communications is a Chicago-based agency specializing in multicultural marketing. It is one of the largest firms in its field, with work featured in the Library of Congress.

5. Plan B Advertising Agency

• Focus: Full-service advertising and marketing
• URL: http://www.thisisplanb.com/
• Overview: Founded in 1999, Plan B is a B Corp-certified agency in Chicago's River North neighborhood. It offers services including strategy, creative, social media, and web development.

6. The San Jose Group

• Focus: Multicultural marketing and advertising
• URL: https://thesanjosegroup.com/
• Overview: Founded in 1981, The San Jose Group is a Chicago-based agency specializing in multicultural marketing. It operates across the U.S. and Latin America, offering advertising, consulting, and public relations services.

7. Leo Burnett Chicago

• Focus: Creative storytelling and brand development
• URL: https://leoburnett.com/
• Overview: Leo Burnett is a global leader in advertising with a strong presence in Illinois. Known for its award-winning campaigns, the agency focuses on creative storytelling and brand protection strategies.

8. Mabbly

• Focus: Digital marketing and data analytics
• URL: https://www.mabbly.com/
• Overview: Founded in 2013, Mabbly is a Chicago-based agency specializing in strategic digital marketing powered by data analytics, market research, and digital technology.

9. Scale Marketing

• Focus: Integrated marketing solutions
• URL: https://www.scale-marketing.com/
• Overview: Established in 2014, Scale Marketing is a Chicago-based agency offering integrated marketing solutions, combining media, creativity, technology, and data to achieve business results.

10. Orbit Media Studios

• Focus: Web design and development
• URL: https://www.orbitmedia.com/
• Overview: Founded in 2001, Orbit Media is an award-winning digital marketing and web design agency based in Chicago, specializing in SEO-driven website design, development, and conversion optimization.