Top 100 SEO Companies in the United States
The Best of December 2025Looking 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
Industries
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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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1861$5,000+2 - 9 employeesPort Townsend, WARead More
Totera Inc. Is a small web design agency. The Port Townsend, Washington-based firm was established in 1999. Their team focuses on web design, web development, branding, and search engine optimization.
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1862Undisclosed2 - 9 employeesLong Grove, ILKeyKit is a social media marketing firm launched in 2020. In Long Grove, Illinois, the team focuses on Social Media Marketing and Search Engine Optimization.Read More
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1863$5,000+2 - 9 employeesToano, VARead More
Plitz Corporation is a digital marketing company that was founded in 2016. They are headquartered in Northport, N.Y., and consist of less than 10 employees. They specialize in UX/UI design, digital strategy, and affiliate marketing.
Clients
Ferocious MediaIndustries
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1864$1,000+10 - 49 employeesSouthbury, CTLaunched in 2019, True Ad Solutions is a social media marketing company. The firm offers Social Media Marketing, Search Engine Optimization, Pay Per Click, Custom Software Development, and more and has a small team.Read More
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1865$10,000+50 - 249 employeesArlington, VABIG Linden, a social media marketing firm, was established in 2010. Located in Arlington, Virginia and Long Beach, California, the team offers Social Media Marketing and Content Marketing.Read More
Clients
Feinberg School of Medicine - Northwestern University -
1866$1,000+10 - 49 employeesAustin, TXAllegiant Digital Marketing is a SEO services firm established in 2022. Their small team is in Austin, Texas; Dallas, Texas and Houston, Texas. Their services include Search Engine Optimization, Digital Strategy, Pay Per Click, Web Design, and more.Read More
Industries
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1867$1,000+10 - 49 employeesLaguna Beach, CARead More
Position1.com is a small digital marketing firm headquartered in Laguna Beach, Calif. Founded in 2017, their main focus lines are PPC, SEO, and web design.
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DesignerHardware.comIndustries
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1868Undisclosed2 - 9 employeesChicago, ILKyle Eggleston SEO Consultant is a SEO agency in Chicago, Illinois and Chicago, Illinois. Their services include Search Engine Optimization.Read More
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1869$1,000+2 - 9 employeesTampa, FLZappyPeople by 1st-party.com, a SEO agency, is headquartered in Tampa, Florida and Austin, Texas. The small firm was founded in 2024. Their team provides Search Engine Optimization, Conversion Optimization, Web Development, and Content Marketing.Read More
Industries
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1870$1,000+10 - 49 employeesBrooklyn, NYRead More
Gold Chip Digital Marketing is a small SEO company based in Brooklyn, New York. Their services include search engine optimization, content marketing, marketing strategy, email marketing, and more.
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1871$5,000+2 - 9 employeesBirmingham, MIRead More
EGO is a development company based in Birmingham, Mich. Founded in 2014, their team of around eight employees provides web and custom software development services.
Clients
Birmingham Country ClubIndustries
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1872$10,000+10 - 49 employeesCharlotte, NCSEO agency Contractor Growth Network is located in Charlotte, North Carolina. They focus on Search Engine Optimization, Pay Per Click, Web Design, Web Development, and more and were founded in 2017.Read More
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1873$1,000+2 - 9 employeesWashington, DCRead More
Purple Zebra is a small branding agency. Based in Washington, District of Columbia, the company was launched in 2022. Their services include branding, market research, social media marketing, search engine optimization, and more.
Clients
Tacklebox Partum HealthIndustries
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1874$1,000+10 - 49 employeesAlpharetta, GAAuthor Vicinity is a small SEO company. Launched in 2020, the company is headquartered in Alpharetta, Georgia. Their services include Search Engine Optimization, Content Writing Services, and Content Marketing.Read More
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1875$5,000+2 - 9 employeesWorcester, MASmall advertising company Enroll Media Group, LLC, is based in Worcester, Massachusetts. They specialize in advertising, direct marketing, social media marketing, email marketing, and more and were founded in 2018.Read More
Industries
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1876$5,000+2 - 9 employeesTamarac, FLConnectica LLC is a SEO services firm. Established in 2003, the agency offers Search Engine Optimization and Content Marketing.Read More
Clients
Art Plumbing and ACIndustries
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1877Undisclosed2 - 9 employeesWest Hartford, CTMrkt insight, a small SEO services firm, is headquartered in West Hartford, Connecticut and Avon, Connecticut. They provide search engine optimization, web design, marketing strategy, digital strategy, and more and were launched in 2024.Read More
Industries
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1878$1,000+2 - 9 employeesPhoenix, AZHeadquartered in Phoenix, Arizona, Phoenix AZ Ad Agency is an Advertising company. The small team provides Advertising, Branding, Search Engine Optimization, Social Media Marketing, and more and was founded in 2016.Read More
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1879$1,000+2 - 9 employeesOrem, UTRead More
Polar Advertising is a PPC firm based in Orem, Utah. Founded in 2017, their team of 7 serves clients in the legal, e-commerce, and business services sectors. Services include conversion optimization and social media marketing.
Industries
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1880$10,000+10 - 49 employeesCincinnati, OHRead More
AMBI is a Cincinnati, Ohio-based branding firm. The company focuses on branding, web development, email marketing, search engine optimization, and more and is small.The company was established in 2024.
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1881$1,000+10 - 49 employeesBrooklyn, NYEstablished in 2012, The Custom Websites is a small website development firm located in Brooklyn, New York. Their team focuses on Web Development and Search Engine Optimization.Read More
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1882$5,000+10 - 49 employeesWashington, DCRead More
Established in 1994, Fathom Creative is a branding agency. Headquartered in Washington, District of Columbia and New York City, , their small team focuses on branding, digital strategy, search engine optimization, web design, and more.
Industries
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1883$1,000+10 - 49 employeesBoulder, CORead More
Avid Demand (formerly SmartSearch Marketing) is a full-service digital marketing agency based in Boulder, CO, with an office in Denver. Founded in 1999, Avid Demand's team of nearly 20 employees provides a host of different capabilities including SEO, PPC, and conversion optimization. They work primarily with mid-market and enterprise outfits in a variety of industries.
Clients
LiveRampIndustries
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1884$5,000+10 - 49 employeesConshohocken, PARead More
Founded in 2001, Farotech is an online marketing company. They are located in Conshohocken, Pa. and have a team of about 35 employees that provides web development, branding, and SEO services. They primarily service clients in the business, consumer products, and financial services industries.
Clients
Rothman OrthopaedicsIndustries
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1885$5,000+10 - 49 employeesGreenville, SCRead More
Content marketing company 10x digital inc is headquartered in Charlotte, North Carolina and Greenville, South Carolina. Launched in 2003, the small team focuses on content marketing, e-commerce development, marketing strategy, pay per click, and more.
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1886$1,000+50 - 249 employeesNew York, NYRead More
eBiz Expert is a digital marketing company founded in 2019 and located in Noida, India. The team of about 5 employees serves small and midmarket businesses and enterprises in the advertising and marketing, financial services, government, and e-commerce industries. Their services include advertising, SEO, and social media marketing.
Clients
Breads N FashionIndustries
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1887$1,000+10 - 49 employeesNew York, NYLocated in New York, New York and Berlin, Germany, Gramercy Global Media Inc. Is a web design agency. The small company was launched in 2009. Their services include web design, search engine optimization, pay per click, and social media marketing.Read More
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1888Undisclosed10 - 49 employeesElmhurst, ILVis Mountain Marketing & Advertising , a social media marketing firm, was launched in 2018. They are located in Elmhurst, Illinois and have a small team. Vis Mountain Marketing & Advertising specializes in social media marketing, email marketing, search engine optimization, web design, and more.Read More
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1889$10,000+10 - 49 employeesMinneapolis, MNMarketing Strategy company Br8kthru Consulting was established in 2017. The firm offers Marketing Strategy and Digital Strategy, and is small.Read More
Industries
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1890$5,000+2 - 9 employeesSan Diego, CARead More
Software development company EyeUniversal is in San Diego, California. The small firm was established in 2005. Their services include custom software development, mobile app development, search engine optimization, web design, and more.
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