Top 100 SEO Companies in the United States
The Best of November 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$1,000+250 - 999 employeesHarrisburg, PALaunched in 1996, WebFX is a midsize SEO services firm. Their services include Search Engine Optimization, Advertising, AI Consulting, Pay Per Click, and more. The firm is located in Harrisburg, Pennsylvania; New York, New York; Philadelphia, Pennsylvania and Washington, District of Columbia.Read More
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UPMC 40+ CAT Equipment Dealers Spooky Nook Sports Kampgrounds of America (KOA)Industries
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2$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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3$5,000+50 - 249 employeesMarion, ILRankings.io is a SEO agency based in Marion, Illinois. They focus on Search Engine Optimization, Advertising, Pay Per Click, and Social Media Marketing and were launched in 2013.Read More
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Sibley Dolman GipeIndustries
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4$1,000+250 - 999 employeesCopley, OHOuterBox is a midsize SEO services firm based in Copley, Ohio; Houston, Texas and Rochester, Minnesota. Established in 2004, the team offers 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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5$1,000+250 - 999 employeesArlington Heights, ILIn Arlington Heights, Illinois; Kyiv, Ukraine; Kherson, Ukraine and New York, New York, Elit-Web is a SEO company. The midsize team focuses on Search Engine Optimization, Pay Per Click, Social Media Marketing, Marketing Strategy, and more and was established in 2014.Read More
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IKEA Bolt Rehau Hi EYEIndustries
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6$1,000+50 - 249 employeesColorado Springs, COHeadquartered in Colorado Springs, Colorado; San Diego, California; Farmington, Arizona and Columbia, Missouri, Intero Digital is a midsize SEO company. They provide Search Engine Optimization and Pay Per Click and were launched in 1996.Read More
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Mizuno Freshpet MyComputerCareer ArcadiaIndustries
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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$1,000+250 - 999 employeesSan Diego, CAIgnite Visibility is a SEO services firm. They are located in San Diego, California; Orlando, Florida; New York, New York and Irvine, California and have a midsize team that focuses on Search Engine Optimization, Advertising, Email Marketing, Low/No Code Development, and more. The firm was founded in 2013.Read More
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Tony Robbins Wawanesa The General Insurance ExperianIndustries
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9$1,000+10 - 49 employeesAustin, TXComplete SEO is a SEO agency based in Austin, Texas; Dallas, Texas; Houston, Texas and Scottsdale, Arizona. The agency specializes in Search Engine Optimization, Generative AI, and Pay Per Click and has a small team.The agency was founded in 2012.Read More
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10$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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11$1,000+50 - 249 employeesLos Angeles, CARead More
Launched in 2009, Coalition Technologies is a SEO company. Their midsize team is based in Los Angeles, California; Seattle, Washington and Austin, Texas. Their team specializes in Search Engine Optimization, Pay Per Click, Web Design, and Web Development.
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PayPalIndustries
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12$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
Clients
Exciting Escapes Mayfield Dental Value My Car Taylor AerialsIndustries
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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 employeesBoca Raton, FLSEO services firm SEO Brand was established in 2006. The company focuses on Search Engine Optimization, Pay Per Click, Web Development, and Content Marketing and has a midsize team.Read More
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US Department of StateIndustries
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15$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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16$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
Clients
Trex Fencing Nordstrom Sun & Ski Sports 1 800 ContactsIndustries
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17$5,000+10 - 49 employeesBrooklyn, NYSure Oak is a small SEO agency based in Brooklyn, New York. They focus on Search Engine Optimization, Content Marketing, and Generative AI and were founded in 2017.Read More
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SoFi Next Insurance Guidepoint Security United Van LinesIndustries
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18$1,000+50 - 249 employeesArlington, TXThrive Internet Marketing Agency is a midsize SEO company. The Arlington, Texas-based agency was founded in 2005. Their team offers Search Engine Optimization, Pay Per Click, Social Media Marketing, and Web Design.Read More
Clients
Restoration 1Industries
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19$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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20$1,000+50 - 249 employeesChicago, ILStraight North is a SEO company. They offer Search Engine Optimization, Pay Per Click, Web Design, Web Development, and more and were established in 1997. Their midsize team is Chicago, Illinois-based.Read More
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KeyenceIndustries
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21$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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22$1,000+250 - 999 employeesPearland, TXCoozmoo Digital Solutions is a SEO company. The midsize Pearland, Texas-based firm was launched in 2019. Their team focuses on Search Engine Optimization, Pay Per Click, Web Design, Social Media Marketing, and more.Read More
Clients
MusicogalaIndustries
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23$1,000+50 - 249 employeesLos Angeles, CAHawkSEM is a PPC agency launched in 2006. The midsize team focuses on Pay Per Click, Search Engine Optimization, and Social Media Marketing. The agency is located in Los Angeles, California.Read More
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Microsoft Honda DataDog NikeIndustries
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24$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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25$1,000+50 - 249 employeesLos Angeles, CALawRank is a SEO services firm. Their midsize team is based in Los Angeles, California and New York, New York. The agency provides Search Engine Optimization, Advertising, Pay Per Click, and Web Design.Read More
Clients
Lorenz & LorenzIndustries
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26$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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27$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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28$1,000+10 - 49 employeesNew York, NYNeon Ambition is a SEO company. Launched in 2013, the small company is in Austin, Texas; New York, New York and Shoreline, Washington. Their team provides Search Engine Optimization, Advertising, Pay Per Click, Digital Strategy, and more.Read More
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issuuIndustries
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29$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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30$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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