Top 100 SEO Companies in the United States

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Top 100 SEO Companies in the United States

The Best of December 2025

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

  • 1
    (339 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

    4.9
    $1,000+
    250 - 999 employees
    Paramus, NJ
    SmartSites is a SEO agency founded in 2011. The company focuses on Search Engine Optimization, Pay Per Click, Advertising, and Social Media Marketing and has a midsize team. The company is in Paramus, New Jersey; Chamblee, Georgia; Detroit, Michigan and Raleigh, North Carolina.
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    Clients

    Porsche

    Industries

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  • 2
    (440 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.6

    Would Recommend

    4.9
    $1,000+
    250 - 999 employees
    Harrisburg, PA
    Based in Harrisburg, Pennsylvania; New York, New York; Philadelphia, Pennsylvania and Washington, District of Columbia, WebFX is a SEO company. The midsize firm was established in 1995. Their team specializes in Search Engine Optimization, Advertising, Social Media Marketing, Content Marketing, and more.
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    Clients

    Verizon

    Industries

  • 3
    (143 Reviews) 4.8

    Timeliness

    4.9

    Service Excellence

    4.8

    Value

    4.7

    Would Recommend

    4.8
    $1,000+
    250 - 999 employees
    Colorado Springs, CO
    Located in Colorado Springs, Colorado; San Diego, California; Farmington, Arizona and Columbia, Missouri, Intero Digital is a SEO services firm. Established in 1996, the midsize team specializes in Search Engine Optimization, Pay Per Click, Digital Strategy, Social Media Marketing, and more.
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    Clients

    Mizuno Gaiam Jaguar Arcadia

    Industries

  • 4
    (86 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

    5.0
    $1,000+
    250 - 999 employees
    Copley, OH
    Launched 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.
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    Clients

    Corsa Performance K2awards.com A&C Plastics JetDock

    Industries

  • 5
    (118 Reviews) 4.8

    Timeliness

    4.7

    Service Excellence

    4.7

    Value

    4.5

    Would Recommend

    4.7
    $50,000+
    50 - 249 employees
    San Francisco, CA
    Victorious 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

    Clients

    Agora Wayfair Spotify University of Miami

    Industries

  • 6
    (169 Reviews) 4.8

    Timeliness

    4.9

    Service Excellence

    4.8

    Value

    4.7

    Would Recommend

    4.8
    $10,000+
    250 - 999 employees
    San Diego, CA
    Ignite 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

    Clients

    Tony Robbins Wawanesa The General Insurance Experian

    Industries

  • 7
    (94 Reviews) 4.9

    Timeliness

    5.0

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

    4.9
    $5,000+
    50 - 249 employees
    Marion, IL
    Established in 2013, Rankings.io is a SEO agency. The firm offers Search Engine Optimization, Pay Per Click, Web Design, and Advertising and has a midsize team. The firm is based in Marion, Illinois.
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    Clients

    Sibley Dolman Gipe

    Industries

  • 8
    (86 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    5.0
    $1,000+
    250 - 999 employees
    Arlington Heights, IL
    Elit-Web, a SEO services firm, was founded in 2014. Their midsize team is in Arlington Heights, Illinois; Kyiv, Ukraine; Kherson, Ukraine and New York, New York. Their services include Search Engine Optimization, Pay Per Click, Social Media Marketing, Digital Strategy, and more.
    Read More

    Clients

    IKEA Bolt Rehau Hi EYE

    Industries

  • 9
    (98 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

    4.9
    $1,000+
    10 - 49 employees
    Boca Raton, FL
    SEO company SEO Brand was founded in 2005. Their small team is in Boca Raton, Florida; Hollywood, Florida; Philadelphia, Pennsylvania and New York, New York. SEO Brand provides Search Engine Optimization, Pay Per Click, and Generative AI.
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    Clients

    US Department of State

    Industries

  • 10
    (132 Reviews) 4.7

    Timeliness

    4.7

    Service Excellence

    4.6

    Value

    4.5

    Would Recommend

    4.7
    $1,000+
    50 - 249 employees
    Chicago, IL

    SEO services firm Straight North was launched in 1997. They are based in Chicago, Illinois and Charlotte, North Carolina and have a midsize team. Straight North provides Search Engine Optimization, Pay Per Click, and Web Design.

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    Clients

    Keyence

    Industries

  • 11
    (91 Reviews) 4.8

    Timeliness

    4.8

    Service Excellence

    4.7

    Value

    4.6

    Would Recommend

    4.8
    $1,000+
    50 - 249 employees
    Lehi, UT

    Big Leap is a digital marketing agency in Lehi, Utah. With over 13 years in the industry, Big Leap helps companies sustainably grow in organic reach and lead generation. They specialize in SEO marketing, content marketing, reputation management, social media marketing, conversion rate optimization, and marketing automation to match their clients’ needs. 

    Read More

    Clients

    Avis Budget Car Rental

    Industries

  • 12
    (107 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

    4.9
    $1,000+
    50 - 249 employees
    San Antonio, TX
    Midsize SEO company Funnel Boost Media, is headquartered in San Antonio, Texas; Doral, Florida; Boston, Massachusetts and San Francisco, California. They focus on Search Engine Optimization, Advertising, Pay Per Click, and Web Design and were launched in 2012.
    Read More

    Industries

  • 13
    (26 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    Tampa, FL

    SEO agency Marketing Link is headquartered in Tampa, Florida. Launched in 2016, the small team specializes in Search Engine Optimization and Pay Per Click.

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    Clients

    Learnix Tree Center Rapidus Better Life Science INOKIM

    Industries

  • 14
    (18 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.8

    Would Recommend

    5.0
    $10,000+
    10 - 49 employees
    Nashville, TN

    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.

    Read More

    Industries

  • 15
    (19 Reviews) 4.8

    Timeliness

    4.9

    Service Excellence

    4.8

    Value

    4.6

    Would Recommend

    4.8
    $1,000+
    50 - 249 employees
    Seattle, WA

    Fannit is a SEO services firm. Established in 2010, the midsize agency is in Seattle, Washington; Everett, Washington; Olympia, Washington and Los Angeles, California. Their services include Search Engine Optimization.

    Read More

    Clients

    Bentley

    Industries

  • 16
    (21 Reviews) 4.9

    Timeliness

    4.8

    Service Excellence

    4.9

    Value

    4.6

    Would Recommend

    5.0
    $1,000+
    50 - 249 employees
    Chicago, IL
    Digital 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

    Clients

    Omron Healthcare

    Industries

  • 17
    (25 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    50 - 249 employees
    Boise, ID
    Breakline, 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 Aerials

    Industries

  • 18
    (40 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    2 - 9 employees
    Anaheim, CA
    SEO agency Zupo was launched in 2019. The firm focuses on Search Engine Optimization and has a small team.
    Read More

    Clients

    Vincit

    Industries

  • 19
    (155 Reviews) 4.8

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.6

    Would Recommend

    4.7
    $1,000+
    50 - 249 employees
    Los Angeles, CA

    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.

    Read More

    Clients

    PayPal

    Industries

  • 20
    (26 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    San Diego, CA
    NextLeft is a SEO services firm. The San Diego, California-based agency was launched in 2015. The small team offers Search Engine Optimization, Content Marketing, and Pay Per Click.
    Read More

    Clients

    Hallmark Inc.

    Industries

  • 21
    (87 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    Oklahoma City, OK

    Outpace SEO is a SEO services firm established in 2013. The small team specializes in Search Engine Optimization and Pay Per Click. The agency is headquartered in Oklahoma City, Oklahoma and Charlotte, North Carolina.

    Read More

    Industries

  • 22
    (24 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    The Woodlands, TX

    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.

    Read More

    Industries

  • 23
    (103 Reviews) 4.6

    Timeliness

    4.6

    Service Excellence

    4.5

    Value

    4.5

    Would Recommend

    4.6
    $1,000+
    10 - 49 employees
    Arlington, TX
    Launched in 2005, Thrive Internet Marketing Agency is a SEO agency. The small team provides Search Engine Optimization, Social Media Marketing, Pay Per Click, and Web Design. The company is based in Arlington, Texas; Dallas, Texas; Houston, Texas and San Diego, California.
    Read More

    Clients

    Restoration 1

    Industries

  • 24
    (28 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    4.9
    $1,000+
    2 - 9 employees
    Austin, TX

    Established in 2016, Direction.com is a small SEO services firm. Their team specializes in Search Engine Optimization. The agency is based in Austin, Texas; Draper, Utah; San Jose, California and Austin, Texas.

    Read More

    Industries

  • 25
    (44 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    Seattle, WA
    Logic 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

    Clients

    Advanced Liposuction Center

    Industries

  • 26
    (34 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

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

    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. 

    Read More

    Clients

    Mizuno

    Industries

  • 27
    (94 Reviews) 4.9

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

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

    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. 

    Read More

    Clients

    Bright Pattern

    Industries

  • 28
    (33 Reviews) 4.8

    Timeliness

    5.0

    Service Excellence

    4.8

    Value

    4.7

    Would Recommend

    4.8
    $1,000+
    10 - 49 employees
    Bend, OR

    180 Marketing is a small SEO agency launched in 2013. Their services include Search Engine Optimization. The company is headquartered in Bend, Oregon.

    Read More

    Industries

  • 29
    (52 Reviews) 5.0

    Timeliness

    4.8

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    Colorado Springs, CO

    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.

    Read More

    Clients

    YMCA (Denver

    Industries

  • 30
    (37 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

    4.9
    $5,000+
    10 - 49 employees
    Portland, OR

    RevenueZen is a SEO company. They are based in Portland, Oregon and have a small team. Their services include Search Engine Optimization. The firm was founded in 2017.

    Read More

    Clients

    ProdPerfect

    Industries

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