Top 100 SEO Companies in the United States

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Top 100 SEO Companies in the United States

The Best of October 2026

Looking 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. 

Jump to Most Reviewed Companies

List of the Best United States SEO Firms

  • 511
    (18 Reviews) 4.8

    Timeliness

    4.5

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

    4.9
    $5,000+
    2 - 9 employees
    Chicago, IL

    Gulo is a small web design agency founded in 2003. With offices in Chicago, Illinois and Cincinnati, Ohio, the Gulo team primarily helps B2B and DTC companies with web design, content marketing, SEO, and conversion optimization.

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    Clients

    Holigos

    Industries

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  • 512
    (23 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    4.8

    Would Recommend

    5.0
    $10,000+
    10 - 49 employees
    Dover, DE
    SplitMetrics Growth Services is a small Mobile & App Marketing company. The Dover, Delaware-based agency was established in 2015. Their services include Mobile & App Marketing, Advertising, Conversion Optimization, Performance Marketing, and more.
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    Clients

    Chatterbug

    Industries

  • 513
    (8 Reviews) 4.9

    Timeliness

    4.8

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    Acworth, GA

    INTEGRITY RESOURCE SOLUTION LLC is a web development company. Their small team is in Acworth, Georgia and provides web development, search engine optimization, e-commerce development, social media marketing, and more. The company was launched in 2008.

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    Industries

  • 514
    (50 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.8

    Would Recommend

    5.0
    $1,000+
    50 - 249 employees
    San Diego, CA

    Radd Interactive is a technical SEO and PPC agency based in San Diego. This company was founded in 2012 and has 50 employees. Services provided by Radd Interactive are exclusively focused on SEO and PPC.

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    Clients

    Medterra
  • 515
    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $10,000+
    50 - 249 employees
    New York, NY

    Pixel506 is a branding firm. Their small team is based in Escazú, Costa Rica and New York, New York. Their team specializes in branding, cloud consulting & SI, digital strategy, mobile app development, and more.

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    Industries

  • 516
    (11 Reviews) 4.6

    Timeliness

    4.7

    Service Excellence

    4.6

    Value

    4.4

    Would Recommend

    4.6
    $5,000+
    10 - 49 employees
    Greenwood Village, CO
    Mountaintop Web Design, a SEO agency, is located in Greenwood Village, Colorado. The small company was founded in 2013. Their services include Search Engine Optimization, Web Design, Advertising, Marketing Strategy, and more.
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    Clients

    EES LIVSMED Secure Anchor CCS Facility Services

    Industries

  • 517
    (3 Reviews) 5.0

    Timeliness

    4.8

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    Colleyville, TX

    Genius Digital Marketing is a digital marketing agency founded in 2020 in Dallas. With a team of about 10 employees, they provide marketing strategy, social media marketing, content marketing, email marketing, and SEO services.

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    Clients

    AMLI Residential

    Industries

  • 518
    (3 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.8

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    New York, NY

    Unicorn DV, an e-commerce development firm, is headquartered in New York, New York. They offer e-commerce development, search engine optimization, ecommerce marketing, and web development and were launched in 2020.

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    Clients

    Nielsen

    Industries

  • 519
    (22 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    5.0
    $10,000+
    50 - 249 employees
    Overland Park, KS

    Lifted Logic is an SEO, web design, and development firm based in Overland Park, Kan. Founded in 2007, their team of 30 serves clients in the healthcare industry. Services include web design, development, and Google Ads.

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    Clients

    Tesla

    Industries

  • 520
    (12 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    4.9
    $5,000+
    2 - 9 employees
    Oceanside, CA
    Coastal Web Solutions, a small web design company, is headquartered in Oceanside, California. They specialize in web design, web development, e-commerce development, mobile app development, and more and were established in 2022.
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    Industries

  • 521
    (16 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    Lexington, SC
    SEO agency Local and Qualified was launched in 2020. The small Lexington, South Carolina-based team provides Search Engine Optimization, Pay Per Click, Web Design, Social Media Marketing, and more.
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    Industries

  • 522
    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.8

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    Los Angeles, CA

    Social media marketing agency Thought Catalog Agency is headquartered in Los Angeles, California and Brooklyn, New York. The small agency was launched in 2010. Their services include Social Media Marketing, Content Marketing, Search Engine Optimization, Digital Strategy, and more.

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    Industries

  • 523
    (7 Reviews) 4.8

    Timeliness

    4.7

    Service Excellence

    4.6

    Value

    4.9

    Would Recommend

    4.8
    $5,000+
    10 - 49 employees
    Columbus, OH

    Founded in 2019, Split Reef is a digital marketing agency with two locations in Columbus, Ohio and Jacksonville Beach, Fla. The team of about 8 individuals offers SEO, web design, and mobile app development services. Their clients include small and midmarket businesses in the legal, automotive, real estate, and health care and medical industries.

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    Clients

    Robertson Truck Group

    Industries

  • 524
    (16 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    Dallas, TX
    Nativz is a social media marketing company launched in 2017. They are headquartered in Dallas, Texas; Miami, Florida and Fort Lauderdale, Florida and have a small team. The firm offers Social Media Marketing, Advertising, Content Marketing, Email Marketing, and more.
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    Industries

  • 525
    (7 Reviews) 4.9

    Timeliness

    4.6

    Service Excellence

    4.6

    Value

    4.4

    Would Recommend

    4.6
    $5,000+
    10 - 49 employees
    New York, NY

    Architectural design company Van West Media was founded in 2004. They are based in New York, New York and have a small team. Van West Media specializes in architectural design, branding, digital strategy, email marketing, and more.

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    Industries

  • 526
    (3 Reviews) 4.7

    Timeliness

    4.5

    Service Excellence

    4.7

    Value

    4.3

    Would Recommend

    5.0
    $250,000+
    250 - 999 employees
    El Segundo, CA

    This California-based company specializes in customer acquisition and digital marketing. The 250+ team is ever-growing and passionate about delivering digital campaigns that their clients can be proud of.

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    Clients

    Verizon

    Industries

  • 527
    (12 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    2 - 9 employees
    Columbia, SC

    Cut Throat Marketing is a digital marketing agency founded in 2017 and located in Columbia, S.C. Their team of fewer than 10 employees provides digital strategy, social media marketing, SEO, PPC, and web design services.

    Read More

    Industries

  • 528
    (7 Reviews) 4.9

    Timeliness

    5.0

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    4.9
    $5,000+
    10 - 49 employees
    Euless, TX

    Web development company Crossway Consulting is in Euless, Texas. The company specializes in Web Development, Mobile App Development, Search Engine Optimization, Social Media Marketing, and more and is small.The company was founded in 2019.

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    Industries

  • 529
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    Pittsburgh, PA

    Pittsburgh Internet Consulting is an inbound agency that was founded in 2001. Their 10-person team is based in Pittsburg and offers services in digital strategy, SEO, and content marketing.

    Read More

    Clients

    Rock 'N Rescue

    Industries

  • 530
    (11 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.8

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    2 - 9 employees
    Towson, MD

    Established in 2021, Agency 102 is a content marketing company. Headquartered in Towson, Maryland, their small team specializes in content marketing, social media marketing, marketing strategy, email marketing, and more.

    Read More

    Clients

    2020 On-site

    Industries

  • 531
    (10 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    2 - 9 employees
    New York, NY
    SEO agency Clectiq is headquartered in New York, New York. The small team specializes in Search Engine Optimization, Pay Per Click, and Social Media Marketing. The firm was launched in 2021.
    Read More

    Industries

  • 532
    (10 Reviews) 4.9

    Timeliness

    5.0

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

    4.9
    $1,000+
    10 - 49 employees
    Cincinnati, OH

    Founded in 2017, BigOrange.Marketing is a small web design agency headquartered in Cincinnati, Ohio. Their services include web design, content marketing, digital strategy, search engine optimization, and more.

    Read More

    Clients

    Intrust IT

    Industries

  • 533
    (9 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.8

    Value

    4.9

    Would Recommend

    5.0
    $25,000+
    2 - 9 employees
    Kings Park, NY
    ONE18MEDIA is a web design agency. They specialize in Web Design, Digital Strategy, Search Engine Optimization, Pay Per Click, and more and were founded in 2014. Their small team is in Kings Park, New York.
    Read More

    Industries

  • 534
    (5 Reviews) 4.8

    Timeliness

    5.0

    Service Excellence

    4.8

    Value

    4.7

    Would Recommend

    4.8
    $25,000+
    50 - 249 employees
    New York, NY
    Ai Media Group, a Digital Strategy company, is headquartered in New York, New York. The midsize company was launched in 2008. Their team specializes in Digital Strategy, Advertising, Media Planning & Buying, Social Media Marketing, and more.
    Read More

    Industries

  • 535
    (7 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    Covina, CA

    Milyon Digital is a SEO agency founded in 2022. The agency provides search engine optimization, branding, digital strategy, social media marketing, and more and has a small team.

    Read More

    Industries

  • 536
    (29 Reviews) 4.9

    Timeliness

    4.7

    Service Excellence

    4.9

    Value

    4.7

    Would Recommend

    4.9
    $10,000+
    2 - 9 employees
    Austin, TX

    Web design agency Lion's Share Digital was launched in 2013. Their small team is headquartered in Austin, Texas. Lion's Share Digital provides Web Design, Graphic Design, Branding, Search Engine Optimization, and more.

    Read More

    Clients

    Keller Williams

    Industries

  • 537
    (14 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $10,000+
    10 - 49 employees
    San Francisco, CA
    Upgrow is a pay per click agency founded in 2018. The small San Francisco, California-based team focuses on Pay Per Click, Search Engine Optimization, Digital Strategy, Social Media Marketing, and more.
    Read More

    Clients

    MemSQL

    Industries

  • 538
    (19 Reviews) 4.9

    Timeliness

    4.8

    Service Excellence

    4.9

    Value

    4.6

    Would Recommend

    4.9
    $5,000+
    2 - 9 employees
    Atlanta, GA
    Aktiv Studios is a small Atlanta, Georgia-based web design agency. They provide Web Design, Web Development, Search Engine Optimization, IT managed services, and more and were launched in 2013.
    Read More

    Clients

    LexisNexis Risk Solutions Davis-Adams Attorneys The Battery Atlanta Weichert, Realtors, Highlands Properties

    Industries

  • 539
    (18 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    4.9
    $5,000+
    10 - 49 employees
    Middletown, DE
    Web design agency Your Hustler, Inc. Is in Middletown, Delaware. The small team provides Web Design and Search Engine Optimization and was established in 2016.
    Read More

    Clients

    Shipley Donuts

    Industries

  • 540
    (10 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    5.0
    $10,000+
    10 - 49 employees
    Orlando, FL
    Boldist is a small web design agency. They specialize in Web Design, Web Development, Conversion Optimization, Search Engine Optimization, and more and were launched in 2008. The firm is based in Orlando, Florida.
    Read More

    Clients

    Experience in a Box Gideon's Bakehouse OpenHouse Insurance Carib Brewery

    Industries

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