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Top Advertising Companies in Illinois

17 of 47 advertising companies ranked on evidence in the Q4 2026 edition.

Between them, the 47 advertising companies on this page cover creative (12), advertising (11), consumer products & services (7) and medical (7). They also list work in Chicago and Reading. 47 of them have written a profile you can read before you get in touch.

TrustList ranking

Q4 2026 edition

17 of 47 advertising companies ranked on evidence held on 9 October 2026: client reviews, vetting, awards and facts each business states on its own website, which we read and date. Nobody pays to be placed.

Positions are fixed for the quarter; the next edition is due in January 2027.

How this is ranked About this edition

All advertising companies 17 ranked SMEs 17 ranked

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Buster Creative
Advertising & Marketing · Creative · Advertising · Also in Chicago
Buster Creative is a boutique advertising agency that works in healthcare, producing branding, product launches and educational material for medical companies.
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Why #1: Based in North Chicago, Illinois, United States · Founded 1993 · Boutique, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
Carol Ann Marketing
Advertising · Also in Chicago
Carol Ann Marketing is a direct mail marketing company in West Chicago, Illinois, with more than 30 years in the trade.
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Why #2 (shared): Based in West Chicago, Illinois · In business 30+ years, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
Gerard Agency
SEO · Branding
Gerard Agency is a branding and marketing communications agency in the Chicago suburbs, with its site pointing to Naperville and an earlier address in Warrenville, Illinois.
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Why #2 (shared): Based in Chicago area, Illinois, US · In business 30+ years, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.
515 Group Inc
Creative · Advertising · Branding
515 Group Inc is a graphic design firm in Huntley, Illinois, west of Chicago, that has worked with established companies and professional bodies since 1999.
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Why #4: Based in Huntley, Illinois · Founded 1999, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
Aronson Advertising
Advertising & Marketing · Advertising · SEO
Aronson Advertising is an automotive marketing agency in the Chicago area of Illinois, trading since 2000.
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Why #5: Based in Chicago area, Illinois, USA · Founded 2000, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
Converse Marketing, Inc.
Converse Marketing, Inc. is a marketing agency in Peoria, Illinois, that builds brands and produces communications for companies large and small.
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Why #6 (shared): Based in Peoria, Illinois, United States · In business 25+ years, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
Cyber Construction
Consumer Products & Services · Business Services · Web Design
Cyber Construction is a Chicago company that looks after both the online presence and the day-to-day technology of its clients.
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Why #6 (shared): Based in Chicago, Illinois, United States · In business 25+ years, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
J. Murray & Associates
Business Services · Creative · Advertising · Also in Chicago
J. Murray & Associates is a website design and marketing agency in Downers Grove, a suburb of Chicago, Illinois.
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Why #6 (shared): Based in Downers Grove, Illinois · In business 25+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Blast! Marketing & PR
Chicago public relations and marketing firm serving retail, hospitality, health, beauty and entertainment brands nationwide
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Why #9: Based in Chicago and Glenview, Illinois · Founded 2003 · Boutique, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
Fathead Design
Consumer Products & Services · Advertising & Marketing · Business Services · Also in Miami
Fathead Design is a full-service web, print and identity design studio in Chicago, Illinois.
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Why #10 (shared): Based in Chicago, Illinois, USA · In business 20+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Central States Media
Central States Media works as Central States Marketing, a marketing firm in Peoria, Illinois.
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Why #10 (shared): Based in Peoria, Illinois · In business 20+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Blue Magnet Interactive
Hospitality & Leisure
Blue Magnet Interactive is a digital marketing and search agency in Chicago that has worked with clients since 2007.
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Why #12: Based in Chicago, Illinois, United States · Founded 2007, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
HY-Viz Marketing
Consumer Products & Services · Responsive · Dental
HY-Viz Marketing is a solo digital marketing business in Belleville, Illinois.
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Why #13 (shared): Based in Belleville, Illinois, USA · In business 15+ years · One person, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Digital Hive Mind Inc
Based in Rockford, Illinois, Digital Hive Mind Inc is an advertising, design and content agency.
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Why #13 (shared): Based in Rockford, Illinois, USA · Founded 2011, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.
Elevate99 for Dentists
Web Design · Dental
Elevate99 for Dentists designs websites and runs online marketing for dental offices.
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Why #15: Based in Hoffman Estates, Illinois · Founded 2012, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.
IDEALalter
Advertising & Marketing · SEO · eCommerce
IDEALalter is a digital marketing agency in Chicago, Illinois, that opened in 2015.
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Why #16: Based in Chicago, Illinois, United States · Founded 2015, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
BFG iTech
Illinois software developer building websites, custom software and automation for small firms, startups and public bodies
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Why #17: Based in Illinois, USA · Founded 2017, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
Also listed, not yet ranked. We hold nothing checkable on these yet that ranks them here: no client review, vetting, award, expert review, or fact stated on their own website (and on a place ranking, where they are based). They follow in order of their TrustList Score. How TrustList ranks · Get vetted, free
Healthcare Success
Creative · Advertising · Medical
Healthcare Success is a marketing agency that works only in healthcare and wellness.
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On record: Founded 2006, as stated on its own website, read 5 Oct 2026
309 Marketing
Dental · Water · Also in Tampa
Working out of Peoria, Illinois, 309 Marketing is a marketing and web development agency that helps companies build or refresh their brand and attract more customers.
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On record: Based in Peoria, Illinois, United States
Activate Hype
Also in Chicago
Activate Hype describes itself as a creative and digital marketing lab based in Chicago.
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On record: Based in Chicago, Illinois, United States
Adcetera
Consumer Products & Services · Financial Services · Medical
Adcetera is an integrated marketing and creative agency headquartered in Houston, Texas.
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On record: Based in Houston, Texas, with offices listed in The Woodlands, Texas and Chicago, Illinois
Bernard & Company
Manufacturing · Industrial · Also in Dundee and Monterrey, Mexico
Bernard & Company is an advertising and public relations agency in the Chicago area that focuses on industrial businesses selling to other industrial businesses.
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On record: Based in Chicago area, Illinois, United States
Big Splash Public Relations
Big Splash Public Relations is a small public relations and marketing firm with offices in Lansing, Illinois and Dyer, Indiana, near Chicago.
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On record: Office in Illinois
Blue Bot Advertising
Blue Bot Advertising is a design and advertising agency in Bloomingdale, Illinois.
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On record: Based in Bloomingdale, Illinois, United States

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