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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841UndisclosedFreelancer employeesPeoria, ILWeb design company IdoSolu Website Design was founded in 2009. The team offers Web Design and Branding.Read More
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842UndisclosedFreelancer employeesBloomington, ILAlways Connected Marketing is a small Marketing Strategy company. Founded in 2009, the team offers Marketing Strategy and Email Marketing.Read More
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843UndisclosedFreelancer employeesLake in the Hills, ILSolid Gold SEO is a Marketing Strategy company. The Lake in the Hills, Illinois-based agency focuses on Marketing Strategy and Pay Per Click.Read More
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844UndisclosedFreelancer employeesBuffalo Grove, ILSmall web design company Implicit Success Marketing & Web Design, is based in Buffalo Grove, Illinois. The team provides Web Design and Search Engine Optimization.Read More
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845$5,000+250 - 999 employeesChicago, ILInnocean USA is a Huntington Beach, California-based Advertising company. Founded in 2005, the team offers Advertising and Branding.Read More
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846$1,000+10 - 49 employeesChicago, ILIn Toronto, Canada and Ottawa, Canada, Thornley Fallis is a mobile app development firm. The team provides Mobile App Development and Search Engine Optimization.Read More
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847Undisclosed1,000 - 9,999 employeesChicago, ILMaking Science is a Madrid, Spain-based branding company. The team provides Branding and Digital Strategy.Read More
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848UndisclosedFreelancer employeesPeoria, ILPOGO Marketing is an Advertising company. The team provides Advertising and Branding, and the agency is based in Peoria, Illinois.Read More
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849UndisclosedFreelancer employeesBloomington, ILISC Media is a Bloomington, Illinois-based SEO agency. Their services include Search Engine Optimization and Web Design.Read More
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850UndisclosedFreelancer employeesMillstadt, ILSEO company Whole Brain Digital LLC is based in Millstadt, Illinois. Launched in 2018, the team specializes in Search Engine Optimization and Pay Per Click.Read More
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851$5,000+2 - 9 employeesChicago, ILLaunched in 1987, Manning Digital is a small Chicago, Illinois-based user experience agency. Their team provides UX/UI Design and Web Development.Read More
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852$5,000+2 - 9 employeesLombard, ILHeadquartered in Lombard, Illinois, Frizz Marketing is a small Advertising company. The team provides Advertising and Branding.Read More
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853$5,000+2 - 9 employeesChicago, ILWalton Street Web design is a web design company. Their small team is in Chicago, Illinois. Their team focuses on Web Design and Print Design.Read More
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854$5,000+2 - 9 employeesElgin, ILMatt's Web Design is an Elgin, Illinois-based web development firm. Their services include Web Development and Print Design.Read More
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855Undisclosed2 - 9 employeesDecatur, ILLaunched in 2001, Creative Media Services, Inc. Is an Advertising company. Their services include Advertising and Marketing Strategy.Read More
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856Undisclosed2 - 9 employeesNaperville, ILDesign & Promote is a web design company. Launched in 2007, the team offers Web Design and Web Development. The company is based in Naperville, Illinois.Read More
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857Undisclosed2 - 9 employeesGlendale Heights, ILSmall Email Marketing company TALK4SITE.COM, is based in Glendale Heights, Illinois. The team focuses on Email Marketing and Logo.Read More
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858Undisclosed2 - 9 employeesMundelein, ILDIGITAL RVM, an Advertising company, was founded in 2010. The team specializes in Advertising and Digital Strategy and is located in Mundelein, Illinois.Read More
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859Undisclosed2 - 9 employeesChicago, ILFischer Software is a website development company. They are headquartered in Chicago, Illinois and have small team. Their team provides Web Development and Social Media Marketing.Read More
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860$1,000+250 - 999 employeesArlington Heights, ILSoftware development firm Kriyan Infotech is based in Irving, Texas and Ahmedabad, India. The team offers Custom Software Development and Mobile App Development.Read More
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861UndisclosedFreelancer employeesOak Brook, ILMarija Tana Designs and Art is a graphic design agency established in 2006. The team offers Graphic Design and Print Design and is based in Oak Brook, Illinois.Read More
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862Undisclosed50 - 249 employeesChicago, IL360i Europe is a Content Marketing company. The New York, New York-based team focuses on Content Marketing and Marketing Strategy.Read More
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863$5,000+50 - 249 employeesChicago, ILApplication development firm Qodestar was established in 2022. They are based in Seattle, Washington; Nashville, Tennessee; New York, New York and Tampa, Florida and have a midsize team. Their services include Mobile App Development, UX/UI Design, Mobile & App Marketing, Product Design, and more.Read More
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864$5,000+10 - 49 employeesGeneseo, ILEstablished in 2003, Websites to Impress is a web design agency. The agency provides Web Design and Web Development.Read More
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865$5,000+50 - 249 employeesNorthfield, ILEstablished in 1919, Miller Advertising is an Advertising company. The midsize team offers Advertising and Branding.Read More
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866$5,000+250 - 999 employeesChicago, ILTeam One is a Digital Strategy company. Established in 1987, the team offers Digital Strategy and Advertising.Read More
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