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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421$1,000+10 - 49 employeesGrayslake, ILThe Designs Firm (TDF) is a SEO services firm. Their small team is in Karachi, Pakistan and Grayslake, Illinois. Their services include Search Engine Optimization, Social Media Marketing, Web Development, and Branding. The company was founded in 2002.Read More
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422$50,000+250 - 999 employeesChicago, ILGyro, a web design company, was established in 1981. The agency specializes in Web Design and Digital Strategy.Read More
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423$1,000+Freelancer employeesChicago, ILSpark Collective is a digital strategy company. They are located in Chicago, Illinois and have a small team. Their services include digital strategy, email marketing, content marketing, search engine optimization, and more. The agency was founded in 2023.Read More
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424$1,000+Freelancer employeesSkokie, IL312ITConsulting, a SEO company, was established in 2024. They are in Skokie, Illinois and have a small team. Their services include Search Engine Optimization, Web Design, IT strategy consulting, Web Development, and more.Read More
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425$1,000+10 - 49 employeesChicago, ILRizk AD is a SEO company. Launched in 2007, the team offers Search Engine Optimization and Web Design. The firm is headquartered in Chicago, Illinois.Read More
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426Undisclosed2 - 9 employeesChicago, ILSEO company Abour SEO was established in 2022. The team provides Search Engine Optimization and is in Chicago, Illinois.Read More
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427$5,000+10 - 49 employeesChicago, ILBrainchild Studios is a website development firm. Their small team of employees is in Milwaukee, Wisconsin and Chicago, Illinois. Their team provides Web Development and Email Marketing.Read More
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428Undisclosed10 - 49 employeesOak Brook, ILFounded in 2005, Pradica is a Conversion Optimization company. The small team focuses on Conversion Optimization and Search Engine Optimization.Read More
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429$5,000+50 - 249 employeesPeoria, ILMindstream Media, a Content Marketing company, was founded in 2016. Headquartered in Peoria, Illinois and Milwaukee, Wisconsin, the team focuses on Content Marketing and Pay Per Click.Read More
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430Undisclosed50 - 249 employeesChicago, ILPowerReviews is an e-commerce development company. Based in Chicago, Illinois, the team focuses on E-Commerce Development and Marketing Strategy.Read More
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431Undisclosed50 - 249 employeesSchaumburg, ILInbox Insight is a Market Research company. They were launched in 2010, and their services include Market Research and Email Marketing.Read More
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432$5,000+10 - 49 employeesChicago, ILLaunched in 2017, Equinox Dynamics LDA is a SEO agency. They are in Esgueira, Portugal; Chicago, Illinois; New York, New York and Los Angeles, California and have a small team. The company offers Search Engine Optimization.Read More
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MySpace Happenventures Petaljet MelroseIndustries
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433Undisclosed50 - 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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434$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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435Undisclosed50 - 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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436Undisclosed10 - 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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437Undisclosed2 - 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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438Undisclosed2 - 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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439Undisclosed2 - 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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440$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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441Undisclosed10 - 49 employeesChicago, ILEduvantis LLC, an Advertising company, was launched in 2010. The firm provides Advertising and Marketing Strategy.Read More
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442Undisclosed10 - 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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443Undisclosed10 - 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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444Undisclosed10 - 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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445Undisclosed10 - 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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446Undisclosed10 - 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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447$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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448UndisclosedFreelancer 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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449$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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450$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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