Top 100 SEO Companies in the United States
The Best of May 2026Looking for a top SEO firm in the United States?
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 United States. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best United States 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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1$1,000+10 - 49 employeesOklahoma City, OKSEO services firm Outpace SEO is in Oklahoma City, Oklahoma and Charlotte, North Carolina. They focus on Search Engine Optimization and were launched in 2013.Read More
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2$1,000+250 - 999 employeesHarrisburg, PASEO agency WebFX was founded in 1995. Their midsize team is in Harrisburg, Pennsylvania; New York, New York; Philadelphia, Pennsylvania and Washington, District of Columbia and specializes in Search Engine Optimization, Advertising, Social Media Marketing, Content Marketing, and more.Read More
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VerizonIndustries
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3$1,000+250 - 999 employeesParamus, NJSEO company SmartSites is based in Paramus, New Jersey; Chamblee, Georgia; Detroit, Michigan and Raleigh, North Carolina. They provide Search Engine Optimization, Pay Per Click, Advertising, and Social Media Marketing and were launched in 2011.Read More
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PorscheIndustries
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4$1,000+250 - 999 employeesColorado Springs, COLaunched in 1996, Intero Digital is a SEO agency. Their midsize team is headquartered in Colorado Springs, Colorado; San Diego, California; Farmington, Arizona and Columbia, Missouri. Their team offers Search Engine Optimization and Pay Per Click.Read More
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Mizuno Freshpet MyComputerCareer ArcadiaIndustries
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5$1,000+250 - 999 employeesCopley, OHLaunched in 2004, OuterBox is a SEO company. They are headquartered in Copley, Ohio; Houston, Texas and Rochester, Minnesota and have a midsize team. The agency specializes in Search Engine Optimization, Pay Per Click, Conversion Optimization, Web Design, and more.Read More
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Corsa Performance K2awards.com A&C Plastics JetDockIndustries
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6$10,000+250 - 999 employeesSan Diego, CAIgnite Visibility is a midsize SEO agency established in 2013. Their team focuses on Search Engine Optimization, Pay Per Click, Web Design, Social Media Marketing, and more. The agency is in San Diego, California; Orlando, Florida and Orlando, Florida.Read More
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Tony Robbins Wawanesa The General Insurance ExperianIndustries
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7$50,000+50 - 249 employeesSan Francisco, CAVictorious is a SEO company. Launched in 2013, the team offers Search Engine Optimization, Content Marketing, and Web Development. Their midsize firm is located in San Francisco, California.Read More
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Agora Wayfair Spotify University of MiamiIndustries
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8$5,000+50 - 249 employeesMarion, ILRankings.io, a SEO company, is headquartered in Marion, Illinois. The midsize agency was established in 2013. Their team specializes in Search Engine Optimization, Pay Per Click, Advertising, and Social Media Marketing.Read More
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Sibley Dolman GipeIndustries
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9$1,000+250 - 999 employeesArlington Heights, ILFounded in 2014, Elit-Web is a SEO agency. They are based in Arlington Heights, Illinois; Kyiv, Ukraine; Kherson, Ukraine and New York, New York and have a midsize team. Their services include Search Engine Optimization, Pay Per Click, Social Media Marketing, Digital Strategy, and more.Read More
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IKEA Bolt Rehau Hi EYEIndustries
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10$1,000+50 - 249 employeesBoise, IDBreakline, 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
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Exciting Escapes Mayfield Dental Value My Car Taylor AerialsIndustries
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11$1,000+50 - 249 employeesBoca Raton, FLSEO Brand is a midsize SEO services firm founded in 2006. Their services include Search Engine Optimization, Generative AI, Pay Per Click, and Social Media Marketing. The agency is based in Boca Raton, Florida; Hollywood, Florida; Philadelphia, Pennsylvania and New York, New York.Read More
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US Department of StateIndustries
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12$1,000+10 - 49 employeesTampa, FLMarketing Link, a SEO company, was founded in 2016. They are in Tampa, Florida and have a small team. Marketing Link specializes in Search Engine Optimization and Pay Per Click.Read More
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Learnix Tree Center Rapidus Better Life Science INOKIMIndustries
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13$1,000+50 - 249 employeesLehi, UTBig Leap is a SEO services firm. Established in 2008, the agency is based in Lehi, Utah. The midsize team focuses on Search Engine Optimization and Pay Per Click.Read More
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Avis Budget Car RentalIndustries
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14$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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15$1,000+2 - 9 employeesAnaheim, CASEO agency Zupo was launched in 2019. The firm focuses on Search Engine Optimization and has a small team.Read More
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VincitIndustries
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16$1,000+50 - 249 employeesChicago, ILStraight North is a midsize SEO company. Based in Chicago, Illinois and Charlotte, North Carolina, the company was established in 1997. Their team focuses on Search Engine Optimization, Pay Per Click, and Web Design.Read More
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KeyenceIndustries
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17$1,000+10 - 49 employeesSan Diego, CASEO services firm NextLeft was launched in 2015. They are located in San Diego, California and Chicago, Illinois and have a small team. NextLeft specializes in Search Engine Optimization, Content Marketing, and Pay Per Click.Read More
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Hallmark Inc.Industries
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18$1,000+50 - 249 employeesChicago, ILDigital Authority Partners is a Chicago, Illinois-based SEO company. They provide Search Engine Optimization, Marketing Strategy, and Pay Per Click and were launched in 2016.Read More
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Omron HealthcareIndustries
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19$1,000+10 - 49 employeesSouth Jordan, UTSearchbloom is a SEO agency launched in 2014. The small South Jordan, Utah-based team focuses on Search Engine Optimization, Pay Per Click, and Conversion Optimization.Read More
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Trex Fencing Nordstrom Sun & Ski Sports 1 800 ContactsIndustries
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20$1,000+2 - 9 employeesAustin, TXDirection.com is a small SEO company based in Austin, Texas; Draper, Utah; San Jose, California and Austin, Texas. Founded in 2016, the team specializes in Search Engine Optimization.Read More
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21$10,000+10 - 49 employeesNashville, TNRead More
Content marketing company Stellar SEO is based in Spring Hill, Tennessee. The agency offers content marketing, digital strategy, pay per click, and search engine optimization and is small.The agency was established in 2012.
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22$1,000+10 - 49 employeesThe Woodlands, TXRead More
Fair Marketing, a pay per click agency, was launched in 2005. The small Spring, Texas-based team focuses on pay per click, social media marketing, search engine optimization, conversion optimization, and more.
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23$1,000+50 - 249 employeesSeattle, WAFannit is a SEO services firm. Founded in 2010, the midsize agency is headquartered in Seattle, Washington; Everett, Washington; Olympia, Washington and Los Angeles, California. Their team focuses on Search Engine Optimization.Read More
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BentleyIndustries
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24$1,000+50 - 249 employeesSan Diego, CARead More
Titan Growth is a marketing and advertising firm based in San Diego, Calif. and founded in 2004. Titan Growth's team of about 45 employees primarily offers digital strategy services, although it also offers search engine optimization and pay per click services.
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MizunoIndustries
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25$5,000+10 - 49 employeesSeattle, WALogic Inbound is a SEO agency. Their small team is headquartered in Seattle, Washington. Their services include Search Engine Optimization and Web Design. The company was launched in 2016.Read More
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Advanced Liposuction CenterIndustries
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26$5,000+10 - 49 employeesNew York, NYRead More
Founded in 2018, LinkGraph is a full-service digital marketing and design agency based in New York. Their team of 25+ specializes in SEO, content marketing, PPC, UX/UI design, and conversion optimization for mainly midmarket clients.
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Bright PatternIndustries
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27$1,000+50 - 249 employeesArlington, TXSEO services firm Thrive Internet Marketing Agency was founded in 2005. The midsize Arlington, Texas-based team offers Search Engine Optimization, Social Media Marketing, Pay Per Click, and Web Design.Read More
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Restoration 1Industries
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28$5,000+10 - 49 employeesPortland, ORFounded in 2017, RevenueZen by Eastern Standard is a small SEO company. Their services include Search Engine Optimization. The company is in Portland, Oregon.Read More
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ProdPerfectIndustries
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29$1,000+10 - 49 employeesColorado Springs, CORead More
Based in Colorado Springs, CO, Infront Webworks specializes in web design development, and hosting services. Its marketing department provides SEO, marketing, and advertising assistance. A Google Certified Partner, Infront Webworks aims to boost website traffic for small, mid-market, and enterprise businesses.
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YMCA (DenverIndustries
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30$1,000+10 - 49 employeesGolden, COCSP Agency is a SEO agency launched in 2012. They are headquartered in Golden, Colorado and Denver, Colorado and have a small team. The agency offers Search Engine Optimization.Read More
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SpectrumIndustries
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