Top 100 SEO Companies in the United States
The Best of October 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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61Undisclosed250 - 999 employeesHarrisburg, PASEO.com is a SEO company. Located in Harrisburg, Pennsylvania, their midsize team focuses on Search Engine Optimization, Digital Strategy, Content Marketing, Pay Per Click, and more. The agency was launched in 1995.Read More
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DellIndustries
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62$5,000+50 - 249 employeesLos Angeles, CARead More
Launched in 2015, Hennessey Digital is a midsize SEO company. Their services include search engine optimization, pay per click, ux/ui design, content marketing, and more. The company is in Los Angeles, California.
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John Foy & AssociatesIndustries
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63$1,000+10 - 49 employeesAtlanta, GAAIS Media, Inc. Is a social media marketing agency established in 1997. They are headquartered in Atlanta, Georgia and have a small team. The company specializes in Social Media Marketing, Search Engine Optimization, Pay Per Click, Content Marketing, and more.Read More
Clients
Buckhead Cosmetic & Family Dentistry Wake Forest Innovations American Health Imaging AT&TIndustries
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64$1,000+2 - 9 employeesStow, OHRead More
SEO services firm advancreative was established in 2001. The small Stow, Ohio-based team specializes in Search Engine Optimization, Web Design, and Social Media Marketing.
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65$5,000+2 - 9 employeesDenver, COSEO services firm Legal Guardian Digital was established in 2022. Their small team is based in Denver, Colorado and focuses on Search Engine Optimization, Digital Strategy, and Pay Per Click.Read More
Clients
Salwin Law Group Michael T. Gibson, P.A., Auto Justice Attorney The Law Office of Justin SchnitzerIndustries
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66$5,000+50 - 249 employeesChicago, ILRead More
Pay per click company Galactic Fed is located in Chicago, Illinois. The midsize company was established in 2017. Their services include Pay Per Click, Search Engine Optimization, and Demand Generation Marketing.
Clients
ShellIndustries
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67$1,000+10 - 49 employeesSt. Charles, ILRead More
Small SEO agency RivalMind, is headquartered in St. Charles, Illinois. Established in 2012, the team focuses on search engine optimization, web development, pay per click, and social media marketing.
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68$5,000+10 - 49 employeesBrooklyn, NYRead More
Serial Scaling is a content marketing company. They offer content marketing, pay per click, search engine optimization, conversion optimization, and more and were founded in 2019. The company is headquartered in BROOKLYN, New York.
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Merchant MaverickIndustries
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69$1,000+50 - 249 employeesBoise, IDRead More
Page One Power is a midsize Content Marketing and SEO agency. They provide Content Marketing and Search Engine Optimization and were founded in 2010.
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AteraIndustries
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70$1,000+10 - 49 employeesLos Angeles, CARead More
Bliss Drive is a digital marketing company based in Los Angeles with a secondary office in Irvine, Calif. Bliss Drive was founded in 2007 and now features a team of about a dozen employees providing SEO, PPC, web design, digital strategy, and conversion optimization services.
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Smart Bean IncIndustries
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71$10,000+50 - 249 employeesArlington, VASilverback Strategies is a pay per click company. Founded in 2007, the midsize company is in Arlington, Virginia; Philadelphia, Pennsylvania and Charlotte, North Carolina. Their services include Pay Per Click, Search Engine Optimization, Performance Marketing, Social Media Marketing, and more.Read More
Clients
SiriusXM Johns Hopkins University Muse Paintbar Long HomeIndustries
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72$1,000+50 - 249 employeesSan Diego, CARead More
SEO company iLawyerMarketing was founded in 2006. Based in San Diego, California, their midsize team specializes in search engine optimization, pay per click, and web design.
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73$5,000+50 - 249 employeesHallandale Beach, FLRead More
IceWeb - Web Design & SEO Company Miami, an advertising company, was established in 2013. They are located in Miami, Florida and have a small team. IceWeb - Web Design & SEO Company Miami offers advertising, branding, content marketing, e-commerce development, and more.
Clients
Pure Echo Inc Americor Frasier Adjusters Golden Heights RemodelingIndustries
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74$25,000+10 - 49 employeesPittsburgh, PAWeb design agency HUEMOR was established in 2011. They are in Pittsburgh, Pennsylvania and have a small team. HUEMOR specializes in Web Design, Web Development, UX/UI Design, Search Engine Optimization, and more.Read More
Clients
23andMe Boston Dynamics HITT Construction ShopifyIndustries
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75$5,000+50 - 249 employeesFort Lauderdale, FLGrow Law is a SEO services firm launched in 2008. Their midsize team is located in Fort Lauderdale, Florida and offers Search Engine Optimization, Generative AI, Pay Per Click, and Web Design.Read More
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76$1,000+50 - 249 employeesLehi, UTRead More
Summit Scout is a SEO company. They are located in Lehi, Utah and have a midsize team. Their services include search engine optimization, conversion optimization, and pay per click.
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77$5,000+50 - 249 employeesAustin, TXRead More
Content Marketing company Siege Media was founded in 2012. Their midsize team is in Austin, Texas; San Diego, California; New York, New York and Chicago, Illinois. Their services include Content Marketing, Search Engine Optimization, Affiliate Marketing, Public Relations, and more.
Clients
ZillowIndustries
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78$1,000+10 - 49 employeesSan Antonio, TXRead More
Based in San Antonio, Texas and founded in 2008, Pear Analytics is a digital marketing agency that provided PPC, SEO, web design, and digital strategy. Their team of 15 work with small businesses in the business services, consumer products, and e-commerce industries.
Clients
VP Racing FuelsIndustries
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79$10,000+2 - 9 employeesPortland, ORRead More
97 Switch is a SEO agency headquartered in Chicago, Illinois and Portland, Oregon. The small firm was founded in 2013. Their services include Search Engine Optimization, Web Design, Branding, and Digital Strategy.
Clients
theWit Hotel in ChicagoIndustries
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80$5,000+10 - 49 employeesSeattle, WARead More
SEO.co is a small SEO agency. Founded in 2008, the team specializes in search engine optimization and content marketing. The agency is based in Seattle, Washington.
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81$10,000+10 - 49 employeesNew York, NYMeanPug Digital is a SEO company founded in 2017. In New York, New York, their small team offers Search Engine Optimization, Pay Per Click, Advertising, Social Media Marketing, and more.Read More
Clients
Wallace LawIndustries
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82$1,000+10 - 49 employeesNew York, NYRead More
Swarm Digital Marketing is a digital marketing agency based in New York City and Tampa, Florida, founded in 2016. They have about 10 employees, and serve small and midmarket clients in all types of industries and sectors, from doctors and medical groups, lawyers, E-commerce sellers, to military contractors. Services include SEO, website development, digital marketing, and branding.
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83$1,000+10 - 49 employeesAsbury Park, NJRead More
Shoreline Media Marketing is an SEO strategy company based in Asbury Park, N.J., with a secondary location in Los Angeles. Founded in 2010, this company has 10 employees. Services provided by Shoreline Media Marketing include web development, SEO, and marketing automation for small to mid-sized businesses.
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Christensen RecyclingIndustries
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84$5,000+10 - 49 employeesHouston, TXEWR Digital is a SEO agency. Founded in 1999, the small agency is based in Houston, Texas. Their team offers Search Engine Optimization, Digital Strategy, Pay Per Click, and Web Design.Read More
Clients
Rock MortgageIndustries
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85$1,000+2 - 9 employeesLong Valley, NJRead More
Search Geek Solutions is an SEO and web design agency based in Montclair, N.J. This company was founded in 2011 and has two employees. Services offered by Search Geek Solutions include SEO, PPC, and social media marketing for small to medium-sized businesses.
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Mama Lams Hot SauceIndustries
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86$1,000+50 - 249 employeesSarasota, FLNetReputation is a public relations firm based in Sarasota, Florida and London , England. The midsize team offers Public Relations, Search Engine Optimization, and Digital Strategy. The company was founded in 2015.Read More
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WhiteHatIndustries
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87$5,000+50 - 249 employeesBoston, MABrafton is a Content Marketing company founded in 2008. The midsize Boston, Massachusetts-based team offers Content Marketing and Search Engine Optimization.Read More
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CanvaIndustries
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88$5,000+250 - 999 employeesSan Diego, CARead More
Founded in 2012, Power Digital is a social media marketing agency. They are based in San Diego, California; New York, New York and Arlington, Virginia and have a midsize team. Their services include Social Media Marketing, Search Engine Optimization, Pay Per Click, Advertising, and more.
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TOMSIndustries
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89$1,000+10 - 49 employeesPhiladelphia, PARead More
SEO Locale is a digital marketing agency that was founded in 2015. Based in Philadelphia, PA, SEO Locale's team of about 5 employees specialize in web design, web development, and SEO. The firm also offers social media marketing, PPC, and content marketing services to its clients.
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YMCAIndustries
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90$1,000+50 - 249 employeesLos Angeles, CARead More
Founded in 2010, 180Fusion is a Los Angeles, CA-based digital marketing agency that serves small and enterprise businesses, with a particular focus on the hospitality industry. The team of nearly 50 employees is expert in national and local SEO, PPC, video, social media management, and conversion rate optimization.
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AAMCOIndustries
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