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
Industries
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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
Industries
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631Undisclosed2 - 9 employeesEvanston, ILGrey Matter Collective is a graphic design company. Their small team of employees is in Evanston, Illinois. Their team provides Graphic Design and Advertising.Read More
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632Undisclosed2 - 9 employeesEvanston, ILE-Mail Logic is a Marketing Strategy company. In Evanston, Illinois, the team offers Marketing Strategy and Advertising.Read More
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633Undisclosed2 - 9 employeesEvanston, ILMIOD, LLC is an Evanston, Illinois-based Marketing Strategy company. They provide Marketing Strategy and Public Relations and were launched in 2010.Read More
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634Undisclosed2 - 9 employeesPeoria, ILIn Peoria, Illinois, Simply Integrated, LLC is a SEO agency. They specialize in Search Engine Optimization and Business Consulting and were launched in 2015.Read More
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635Undisclosed2 - 9 employeesElmhurst, ILIn Elmhurst, Illinois, Zeros Ones is a SEO services firm and web design company. Launched in 1998, the team specializes in Search Engine Optimization and Web Design.Read More
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636Undisclosed2 - 9 employeesPalatine, ILMAK Consulting Inc., a small SEO company and web design company, is headquartered in Palatine, Illinois. The team provides Search Engine Optimization and Web Design.Read More
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637Undisclosed2 - 9 employeesSycamore, ILCosmos Enterprises LLC is a Business Consulting company based in Sycamore, Illinois. They specialize in Business Consulting and Web Design and were launched in 2003.Read More
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638Undisclosed2 - 9 employeesPlainfield, ILHeadquartered in Plainfield, Illinois, TWP Marketing is an Advertising company. The team focuses on Advertising and Social Media Marketing.Read More
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639Undisclosed2 - 9 employeesCrystal Lake, ILLas Casas Graphics is a small SEO agency and web design company. They focus on Search Engine Optimization and Web Design and were founded in 1993.Read More
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640Undisclosed2 - 9 employeesHanover Park, ILEstablished in 2016, Prudent Digital is a small branding company. Their team focuses on Branding and Email Marketing.Read More
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641Undisclosed2 - 9 employeesGeneva, ILR C Romine Advertising & Marketing, an Advertising company, offer Advertising and Web Development. They were established in 1976.Read More
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642Undisclosed2 - 9 employeesOswego, ILSpider Design, Inc. Is an Advertising company located in Oswego, Illinois. Their services include Advertising and Graphic Design.Read More
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643Undisclosed2 - 9 employeesGlendale Heights, ILIT managed services and SEO services firm DP Tech Group is located in Glendale Heights, Illinois. Launched in 2003, the team specializes in IT managed services and Search Engine Optimization.Read More
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644Undisclosed2 - 9 employeesSouth Elgin, ILEstablished in 2013, Cinnamon Digital, LLC is a SEO services firm and website development firm. The company provides Search Engine Optimization and Web Development, and is small.Read More
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645Undisclosed2 - 9 employeesElgin, ILOmni Marketing Interactive is an UX agency and SEO company. They provide UX/UI Design and Search Engine Optimization and were founded in 1995.Read More
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646Undisclosed2 - 9 employeesChicago, ILSEO River is a small social media marketing firm and SEO company. Founded in 2009, the team focuses on Social Media Marketing and Search Engine Optimization.Read More
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647Undisclosed2 - 9 employeesHuntley, ILSEO Windy City is a Huntley, Illinois-based SEO company and pay per click company. They offer Search Engine Optimization and Pay Per Click and were launched in 2002.Read More
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648Undisclosed2 - 9 employeesVernon Hills, ILMarie Daniel Group, LLC is a branding firm. Their small team of employees is located in Vernon Hills, Illinois. Their team specializes in Branding and Public Relations.Read More
Industries
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649Undisclosed2 - 9 employeesEvanston, ILMarketSurge is a web design company. Their small team of employees is based in Evanston, Illinois. Their team offers Web Design and Content Marketing.Read More
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650$1,000+Freelancer employeesChicago, ILModem Digital is a PPC company headquartered in Chicago, Illinois. They offer Pay Per Click and Web Design and were launched in 2017.Read More
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651$1,000+Freelancer employeesBatavia, ILLang Growth Consultancy is a Business Consulting company. Based in Batavia, Illinois, the team focuses on Business Consulting and Market Research.Read More
Industries
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652$5,000+2 - 9 employeesChicago, ILEstablished in 2006, Soyculto is a small CXH, Argentina-based UX design agency. Their services include UX/UI Design and Content Marketing.Read More
Industries
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653UndisclosedFreelancer employeesNaperville, ILIGenMedia, an e-commerce development company, is in Naperville, Illinois and Lockport, Illinois. They focus on E-Commerce Development and Email Marketing.Read More
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654Undisclosed50 - 249 employeesChicago, ILYes& Lipman Hearne is a branding company. Located in Chicago, Illinois, their midsize team offers Branding and Public Relations. The company was founded in 1988.Read More
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655Undisclosed50 - 249 employeesSpringfield, ILLead IT Corporation is a midsize social media marketing agency founded in 2005. Their services include Social Media Marketing and Content Marketing.Read More
Industries
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656Undisclosed50 - 249 employeesPeru, ILBased in Peru, Illinois, LKCS is a branding agency. They focus on Branding and Logo.Read More
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657$1,000+Freelancer employeesChicago, ILAstucia, an AI Consulting company, was launched in 2025. The small team offers AI Consulting and Artificial Intelligence.Read More
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658$10,000+50 - 249 employeesChicago, ILBreaking Blue is a branding company. The London, England-based firm provides Branding and Call Center Services.Read More
Industries
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659$5,000+10 - 49 employeesChicago, ILCustom Legal Marketing, a SEO services firm, was founded in 2005. The team offers Search Engine Optimization and Pay Per Click.Read More
Clients
Briskman Briskman & Greenberg -
660Undisclosed10 - 49 employeesElgin, ILVSG Commerce is an user experience design agency. The Elgin, Illinois-based firm was founded in 2006. Their services include UX/UI Design 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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