Top 100 SEO Companies in Illinois
The Best of April 2026Looking for a top SEO firm in Illinois?
Compare top-performing SEO agencies to see which may be the best fit for your business goals. Whether you're seeking to improve your ranking in search engine results pages, boost website traffic, or show up in local search results, investing in SEO is important for business growth.
To assist you in your search for a partner, we’ve compiled this list of the top SEO companies in Illinois. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
Jump to Most Reviewed Companies
List of the Best Illinois SEO Firms
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$1,000+50 - 249 employeesSan Antonio, TXFunnel Boost Media is a SEO company. They are located in San Antonio, Texas; Doral, Florida; Boston, Massachusetts and San Francisco, California and have a midsize team that focuses on Search Engine Optimization, Advertising, Pay Per Click, and Web Design. The agency was launched in 2012.Read More
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$1,000+10 - 49 employeesNew York, NYSEO company NuStream is in New York, New York; Philadelphia, Pennsylvania and Allentown, Pennsylvania. They provide Search Engine Optimization, Web Design, Digital Strategy, and Video Production and were established in 2010.Read More
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691$5,000+2 - 9 employeesChicago, ILSmarty Media, a PPC company, offer Pay Per Click and Conversion Optimization. They were launched in 2009.Read More
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692Undisclosed2 - 9 employeesChicago, ILFounded in 2011, Knoed Creative is a small Chicago, Illinois-based branding company. Their services include Branding and Web Design.Read More
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693$5,000+2 - 9 employeesChicago, ILConversion Optimization company Shkalix is based in Chicago, Illinois. Their services include Conversion Optimization and Web Design.Read More
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694$5,000+2 - 9 employeesLake Zurich, ILWeb development firm Legend Creative Group is in Lake Zurich, Illinois. The team provides Web Development and Video Production.Read More
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695$10,000+2 - 9 employeesLa Grange, ILBoomm Marketing & Communications is a branding agency. Their small team is headquartered in La Grange, Illinois. Their services include Branding and Public Relations.Read More
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696Undisclosed2 - 9 employeesChicago, ILEstablished in 1982, McKnight Kurland is a branding firm. The company focuses on Branding and Graphic Design.Read More
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697Undisclosed2 - 9 employeesAurora, ILStrategic & Creative Marketing Inc., a Marketing Strategy company, is in Aurora, Illinois. Their services include Marketing Strategy and Advertising.Read More
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698Undisclosed2 - 9 employeesAurora, ILSmall Marketing Strategy company Pattern Marketing, Inc., is in Aurora, Illinois. The team provides Marketing Strategy and Web Design.Read More
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699Undisclosed2 - 9 employeesQuincy, ILMedia Development is an Advertising company. Launched in 1982, the team offers Advertising and Graphic Design.Read More
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700Undisclosed2 - 9 employeesPeoria, ILAdvertising company Central States Media was founded in 2003. The team provides Advertising and Event Marketing and is based in Peoria, Illinois.Read More
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701Undisclosed2 - 9 employeesRockton, ILLocated in Rockton, Illinois, RyCOM Creative Corp. Is a small Advertising company. Their services include Advertising and Branding.Read More
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702Undisclosed2 - 9 employeesSt. Charles, ILFounded in 2005, Curtis Digital is an Advertising company. The team offers Advertising and Email Marketing and is headquartered in St. Charles, Illinois.Read More
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703Undisclosed2 - 9 employeesChicago, ILBlack Box Creative, Inc. Is a small social media marketing company founded in 2009. Their services include Social Media Marketing and Content Marketing.Read More
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704Undisclosed2 - 9 employeesChicago, ILFounded in 2015, ZO Media Group is a small Chicago, Illinois-based Advertising company. Their services include Advertising and Media Planning & Buying.Read More
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705Undisclosed2 - 9 employeesChicago, ILConnections Marketing is a branding agency. Headquartered in Chicago, Illinois, the company was founded in 2009. Their team offers Branding and Media Planning & Buying.Read More
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706Undisclosed2 - 9 employeesChicago, ILThinkBox312 is a social media marketing company. They are based in Chicago, Illinois, and their services include Social Media Marketing and Web Development.Read More
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707Undisclosed2 - 9 employeesChicago, ILFounded in 2003, Markitexture is a Sales Outsourcing company. The team focuses on Sales Outsourcing and Event Management and is headquartered in Chicago, Illinois.Read More
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708Undisclosed2 - 9 employeesPark Ridge, ILBare Sky Marketing is a Park Ridge, Illinois-based Content Writing Services company. They specialize in Content Writing Services and Content Marketing and were established in 2004.Read More
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709Undisclosed2 - 9 employeesNaperville, ILNaper Solutions, Inc. Is an Email Marketing company established in 1997. In Naperville, Illinois, the team provides Email Marketing and Search Engine Optimization.Read More
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710Undisclosed2 - 9 employeesWinfield, ILRelevant Elephant is a Marketing Strategy company launched in 2014. Headquartered in Winfield, Illinois, the team focuses on Marketing Strategy and Social Media Marketing.Read More
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711Undisclosed2 - 9 employeesHoffman Estates, ILAtRevenue is a branding agency. Their team is based in Hoffman Estates, Illinois and specializes in Branding and Marketing Strategy.Read More
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712Undisclosed2 - 9 employeesHighland Park, ILDigital Content Strategy LLC is a branding agency based in Highland Park, Illinois. Their services include Branding and Public Relations.Read More
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713$5,000+10 - 49 employeesElk Grove Village, ILTapvera is a small social media marketing firm established in 2025. Their services include Social Media Marketing and Branding.Read More
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714Undisclosed50 - 249 employeesChicago, ILC-4 Analytics is a Conversion Optimization company. They were founded in 2009, and their services include Conversion Optimization and Graphic Design.Read More
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715$5,000+50 - 249 employeesChicago, ILMagnet 360 is an Advertising company. They provide Advertising and Branding and were established in 2001. The agency is based in St. Louis Park, Minnesota and Chicago, Illinois.Read More
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716$5,000+2 - 9 employeesChicago, ILFounded in 2012, Online Media Masters is a small SEO agency in Chicago, Illinois. Their team provides Search Engine Optimization and UX/UI Design.Read More
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717Undisclosed2 - 9 employeesSchaumburg, ILDirect Marketing company KDR Media Group is in Schaumburg, Illinois. The team focuses on Direct Marketing and Search Engine Optimization.Read More
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718Undisclosed2 - 9 employeesPalatine, ILMPurcell Designs, a graphic design company, is based in Palatine, Illinois. They specialize in Graphic Design and Search Engine Optimization and were launched in 2014.Read More
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719Undisclosed2 - 9 employeesMount Prospect, ILI-seo.us is a small Mount Prospect, Illinois-based Market Research company. Their services include Market Research and Search Engine Optimization.Read More
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720Undisclosed2 - 9 employeesWheaton, ILAdvertising company TREX Digital Marketing is located in Wheaton, Illinois. The team focuses on Advertising and Search Engine Optimization.Read More
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Check out a SEO Company in Illinois with the most new reviews in the past 12 months.
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