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.
>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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421Undisclosed50 - 249 employeesAlgonquin, ILRead More
WON Marketing is a Chicago-based search marketing firm founded in 2011. Their team of about 73 individuals provides marketing strategy, email marketing, SEO, and web development services.
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422$25,000+50 - 249 employeesChicago, ILIn Chicago, Illinois, SEO Notch is a SEO agency. They provide Search Engine Optimization and Web Development and were launched in 2022.Read More
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423Undisclosed50 - 249 employeesChicago, ILEstablished in 2012, Huble Digital is a Marketing Strategy company. The midsize team specializes in Marketing Strategy and Social Media Marketing.Read More
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424Undisclosed10 - 49 employeesMoline, ILMajorBrains Technology Pvt. Ltd., a web design agency, was established in 2009. The team offers Web Design and Branding.Read More
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425Undisclosed2 - 9 employeesChicago, ILEstablished in 2013, Barclay Digital is a Business Consulting company. The agency offers Business Consulting and Search Engine Optimization, and is small.Read More
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426Undisclosed2 - 9 employeesCarterville, ILHarness Digital Marketing is a social media marketing agency. Established in 2010, the firm provides Social Media Marketing and Email Marketing.Read More
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427Undisclosed2 - 9 employeesNorthfield, ILLoud Interactive, a SEO company, was established in 2011. Located in Northfield, Illinois, the team specializes in Search Engine Optimization and Pay Per Click.Read More
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428$10,000+50 - 249 employeesChicago, ILOmobono Ltd, a midsize branding firm, is based in Cambridge, England and Chicago, Illinois. Their services include Branding and Digital Strategy.Read More
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429Undisclosed10 - 49 employeesChicago, ILEduvantis LLC, an Advertising company, was launched in 2010. The firm provides Advertising and Marketing Strategy.Read More
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430Undisclosed10 - 49 employeesChicago, ILLaunched in 2005, Fuor Digital is a small media planning and buying company. Their team offers Media Planning & Buying and Advertising.Read More
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431Undisclosed10 - 49 employeesWheaton, ILBased in Wheaton, Illinois, C. Grant & Company Inspiring Marketing is a Marketing Strategy company. They provide Marketing Strategy and Advertising and were founded in 2000.Read More
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432Undisclosed10 - 49 employeesBloomington, ILMavidea Technology Group, LLC. Is a Digital Strategy company. Their team is based in Bloomington, Illinois. The agency provides Digital Strategy and IT managed services.Read More
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433Undisclosed10 - 49 employeesGlen Ellyn, ILSmall video production company No Limits Multimedia, is in Glen Ellyn, Illinois. The team provides Video Production and Search Engine Optimization.Read More
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434Undisclosed10 - 49 employeesHuntley, ILIn Huntley, Illinois, J Miller Marketing Inc is an Advertising company. Launched in 2002, the team specializes in Advertising and Media Planning & Buying.Read More
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435$1,000+2 - 9 employeesWashington, ILCocrele is a SEO company and web design agency founded in 2012. The team specializes in Search Engine Optimization and Web Design.Read More
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436UndisclosedFreelancer employeesBerwyn, ILDertiweb, a social media marketing firm, is based in Berwyn, Illinois. The agency specializes in social media marketing, public relations, marketing strategy, and search engine optimization and has a small team.The agency was established in 2016.Read More
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437$1,000+250 - 999 employeesChicago, ILSpark Digital, a SEO agency, was established in 2009. Their midsize team is located in Los Angeles, California; New York, New York; Dallas, Texas and Seattle, Washington and provides search engine optimization, e-commerce development, social media marketing, email marketing, and more.Read More
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438$5,000+50 - 249 employeesSkokie, ILParagon Marketing Group is a Broadcast Video company. They focus on Broadcast Video and Content Marketing and were established in 1995. The agency is headquartered in Skokie, Illinois.Read More
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439$1,000+50 - 249 employeesEvanston, ILL2TMedia is an Advertising company. The Evanston, Illinois-based team focuses on Advertising and Broadcast Video.Read More
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440$5,000+50 - 249 employeesChicago, ILFounded in 2012, All Campus is a midsize graphic design company. Their services include Graphic Design and Market Research.Read More
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441Undisclosed50 - 249 employeesSkokie, ILDunn Solutions, a SEO company, was launched in 1988. The team provides Search Engine Optimization and Web Design and is based in Skokie, Illinois.Read More
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442Undisclosed50 - 249 employeesDes Plaines, ILGO2 Partners is a midsize Content Marketing company. They specialize in Content Marketing and Email Marketing and were established in 1995.Read More
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443Undisclosed50 - 249 employeesDes Plaines, ILLogo company KNB Logos is based in Des Plaines, Illinois. Launched in 2017, the team provides Logo and Web Development.Read More
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444$1,000+10 - 49 employeesGlenview, ILSmall SEO services firm Simple SEO Group, is in Glenview, Illinois. The team focuses on Search Engine Optimization and Pay Per Click.Read More
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445$1,000+2 - 9 employeesSycamore, ILBarracuda Creative Studio, a small Advertising company, is headquartered in Sycamore, Illinois. Their services include Advertising and Branding.Read More
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446$5,000+2 - 9 employeesBloomington, ILCretMark Business Solutions is a SEO agency launched in 2020. The team focuses on Search Engine Optimization and Web Design.Read More
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447$1,000+Freelancer employeesOak Park, ILHire Henri, a Product Design company, was launched in 2010. The team specializes in Product Design and Branding.Read More
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448$1,000+2 - 9 employeesPlainfield, ILLocal Site Designer is a web design company. The team offers Web Design and Search Engine Optimization, and the company is located in Plainfield, Illinois.Read More
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449$1,000+10 - 49 employeesSpringfield, ILDalton Luka SEO is a SEO company. The agency is in St. Louis, Missouri and Kansas City, Missouri. Their services include Search Engine Optimization and Pay Per Click.Read More
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450Undisclosed2 - 9 employeesRockford, ILSEO services firm Global SEO Partners was established in 2005. The team specializes in Search Engine Optimization.Read More
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