Top 100 SEO Companies in Illinois
The Best of December 2025Looking 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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481$5,000+10 - 49 employeesChicago, ILTreacy Marketing Group is a SEO services firm. Their small team is headquartered in Chicago, Illinois. Their services include Search Engine Optimization and Web Design.Read More
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482$5,000+10 - 49 employeesChicago, ILEstablished in 2006, ClearEdge Marketing is a SEO services firm. Their team provides Search Engine Optimization and Advertising.Read More
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483$5,000+10 - 49 employeesChicago, ILEM Search Consulting is a Chicago, Illinois-based SEO company. They specialize in Search Engine Optimization and Web Design.Read More
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484$5,000+10 - 49 employeesSkokie, ILGLC, an Advertising company, was launched in 1969. The team focuses on Advertising and Search Engine Optimization.Read More
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485$5,000+10 - 49 employeesNaperville, ILTechnologies is a web design agency. The Naperville, Illinois-based firm provides Web Design and Search Engine Optimization.Read More
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486$1,000+10 - 49 employeesNorthbrook, ILMarket JD, Inc., a SEO services firm, is located in Northbrook, Illinois. Their services include Search Engine Optimization and Web Design.Read More
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487Undisclosed10 - 49 employeesChicago, ILBased in Chicago, Illinois, Designed Social Media is a PR agency. They offer Public Relations and Pay Per Click.Read More
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488Undisclosed10 - 49 employeesChicago, ILFounded in 2013, Liquid Iron is a small media planning & buying company. Their services include Media Planning & Buying and Advertising.Read More
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489Undisclosed10 - 49 employeesBatavia, ILLaunched in 1958, ARENDS, a small Advertising company, is based in Batavia, Illinois. Their team specializes in Advertising and Market Research.Read More
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490Undisclosed10 - 49 employeesNaperville, ILMarketing Strategy company Digital Marketing Innovations, Inc. Was founded in 2009. The firm focuses on Marketing Strategy and Search Engine Optimization.Read More
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491Undisclosed10 - 49 employeesArlington Heights, ILMarketing Relevance is a Marketing Strategy company. The small Arlington Heights, Illinois-based team offers Marketing Strategy and Branding. The company was launched in 2001.Read More
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492Undisclosed10 - 49 employeesChicago, ILTE+A Marketing is a branding firm established in 1985. The agency focuses on Branding and Market Research, and is small.Read More
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493Undisclosed10 - 49 employeesBuffalo Grove, ILINT- Managed Solutions is a graphic design company established in 1999. The company specializes in Graphic Design and Print Design, and is small.Read More
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494Undisclosed10 - 49 employeesAlgonquin, ILInfinite Designs, Inc. Is a graphic design agency. The Algonquin, Illinois-based team focuses on Graphic Design and Logo.Read More
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495Undisclosed10 - 49 employeesBatavia, ILOvertake Digital, a Content Marketing company, was established in 2017. The team provides Content Marketing and Marketing Strategy.Read More
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496Undisclosed10 - 49 employeesOak Brook, ILSocial Integration, an Advertising company, was launched in 2011. The company offers Advertising and Email Marketing, and is small.Read More
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497Undisclosed10 - 49 employeesEdwardsville, ILUS Marketing Source is a marketing strategy company founded in 2016. The company provides marketing strategy, email marketing, web design, and search engine optimization and has a small team. The company is in Edwardsville, Illinois.Read More
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498Undisclosed10 - 49 employeesFreeburg, ILExpress Design Group, Inc. Is a graphic design company. They provide Graphic Design and Print Design and were founded in 1999. The company is in Freeburg, Illinois.Read More
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499Undisclosed10 - 49 employeesChicago, ILLimeRed Consultancy is a branding firm. They were launched in 2004, and their services include Branding and Digital Strategy.Read More
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500Undisclosed10 - 49 employeesChicago, ILDHS Digital is a Chicago, Illinois-based branding agency. Their services include Branding and Marketing Strategy.Read More
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501Undisclosed10 - 49 employeesChicago, ILEM Search Consulting LLC is a social media marketing firm. The team focuses on Social Media Marketing and Content Marketing and is headquartered in Chicago, Illinois.Read More
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502Undisclosed10 - 49 employeesOak Forest, ILSocial media marketing agency SS Tech Services is headquartered in Oak Forest, Illinois and Noida, India. They specialize in Social Media Marketing and Content Marketing and were founded in 2015.Read More
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503Undisclosed10 - 49 employeesChicago, ILSmall social media marketing firm HoneyBadger Solutions, is located in Toronto, Canada and Chicago, Illinois. Their services include Social Media Marketing and Search Engine Optimization.Read More
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504Undisclosed10 - 49 employeesBurr Ridge, ILClue Dental Marketing is a branding firm. Launched in 2011, the team offers Branding and Web Design. The firm is located in Burr Ridge, Illinois.Read More
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505Undisclosed10 - 49 employeesChicago, ILEMPro is a social media marketing agency. They were founded in 2010 and focus on Social Media Marketing and Content Marketing.Read More
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506Undisclosed10 - 49 employeesRolling Meadows, ILGREEN LINE AUTOMOTIVE is a social media marketing company. Their small team is based in Rolling Meadows, Illinois. Their services include Social Media Marketing and Email Marketing.Read More
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507Undisclosed10 - 49 employeesGurnee, ILMarketSparx is a small public relations agency headquartered in Gurnee, Illinois. Their services include Public Relations and Digital Strategy.Read More
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508Undisclosed10 - 49 employeesChicago, ILSeven Seas Web Design is a media planning and buying company established in 2014. In Chicago, Illinois, the team specializes in Media Planning & Buying and Search Engine Optimization.Read More
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509$5,000+2 - 9 employeesChicago, ILEVE User Experience Design Agency is a small user experience agency. They offer UX/UI Design and Branding and were launched in 2017.Read More
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510$1,000+50 - 249 employeesOak Park, ILBreakline, a SEO company, is headquartered in Guildford, England; London, England; Boise, Idaho and Houston, Texas. They provide Search Engine Optimization and were launched in 2012.Read More
Clients
Exciting Escapes Mayfield Dental Value My Car Taylor AerialsIndustries
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