Top 100 SEO Companies in the United States

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Top 100 SEO Companies in the United States

The Best of July 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
    (316 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, a SEO agency, was founded in 2011. The midsize team specializes in Search Engine Optimization, Pay Per Click, Advertising, and Social Media Marketing. The agency is headquartered in Paramus, New Jersey; Chamblee, Georgia; Detroit, Michigan and Raleigh, North Carolina.
    Read More

    Clients

    Porsche

    Industries

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  • 2
    (436 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
    (85 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 is a SEO services firm in Arlington Heights, Illinois; Kyiv, Ukraine; Kherson, Ukraine and New York, New York. Established in 2014, the midsize team offers Search Engine Optimization, Pay Per Click, Social Media Marketing, Digital Strategy, and more.
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    Clients

    IKEA Bolt Rehau Hi EYE

    Industries

  • 4
    (115 Reviews) 4.8

    Timeliness

    4.7

    Service Excellence

    4.8

    Value

    4.5

    Would Recommend

    4.8
    $5,000+
    50 - 249 employees
    San Francisco, CA
    Victorious is a midsize SEO agency founded in 2013. Their team specializes in Search Engine Optimization, Content Marketing, and Web Development. The agency is based in San Francisco, California.
    Read More

    Clients

    Agora Wayfair Spotify University of Miami

    Industries

  • 5
    (148 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

  • 6
    (88 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

    4.9
    $5,000+
    50 - 249 employees
    Marion, IL

    Rankings.io is a legal SEO company located in O'Fallon, Ill. It was founded in 2013 and now has a team of nearly 20 that exclusively provides SEO services to clients. 

    Read More

    Clients

    Sibley Dolman Gipe

    Industries

  • 7
    (147 Reviews) 4.8

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.7

    Would Recommend

    4.8
    $5,000+
    250 - 999 employees
    San Diego, CA
    Ignite Visibility, a midsize SEO services firm, is located in San Diego, California; Orlando, Florida and Orlando, Florida. They focus on Search Engine Optimization, Social Media Marketing, Email Marketing, Pay Per Click, and more and were established in 2012.
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    Clients

    Tony Robbins Wawanesa The General Insurance Experian

    Industries

  • 8
    (69 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

    4.9
    $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.
    Read More

    Clients

    Corsa Performance K2awards.com A&C Plastics JetDock

    Industries

  • 9
    (51 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    Oklahoma City, OK
    Outpace is a SEO services firm. Their small team is located in Oklahoma City, Oklahoma and Charlotte, North Carolina. The company provides Search Engine Optimization and Pay Per Click. The company was established in 2013.
    Read More

    Industries

  • 10
    (92 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

  • 11
    (140 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.7

    Would Recommend

    4.9
    $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.
    Read More

    Clients

    Mizuno Gaiam Jaguar Arcadia

    Industries

  • 12
    (23 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.
    Read More

    Clients

    Learnix Tree Center Rapidus Better Life Science INOKIM

    Industries

  • 13
    (131 Reviews) 4.7

    Timeliness

    4.7

    Service Excellence

    4.7

    Value

    4.5

    Would Recommend

    4.7
    $1,000+
    50 - 249 employees
    Chicago, IL
    Straight North is a midsize SEO company. The Chicago, Illinois-based firm was established in 1997. Their services include Search Engine Optimization, Pay Per Click, and Web Design.
    Read More

    Clients

    Keyence

    Industries

  • 14
    (92 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

    4.9
    $1,000+
    50 - 249 employees
    Boca Raton, FL
    SEO Brand is a SEO services firm established in 2005. They are in Boca Raton, Florida; Hollywood, Florida; Philadelphia, Pennsylvania and New York, New York and have a midsize team. Their services include Search Engine Optimization, Digital Strategy, Social Media Marketing, Pay Per Click, and more.
    Read More

    Clients

    US Department of State

    Industries

  • 15
    (20 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

  • 16
    (96 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    Draper, UT

    Searchbloom provides cutting-edge search engine marketing for businesses around the world. Founded in 2014 and based in Draper, Utah, their team specializes in local, national, and E-commerce SEO & PPC. They support clients by increasing their revenues and have quickly built a reputation for being an authority in SEO. 

    Read More

    Clients

    Trex Fencing Nordstrom Sun & Ski Sports 1 800 Contacts

    Industries

  • 17
    (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

  • 18
    (17 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

  • 19
    (36 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.8

    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

  • 20
    (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

    Zupo is a SEO agency. The small team is in Anaheim, California and New York City, New York. Their services include Search Engine Optimization.

    Read More

    Clients

    Vincit

    Industries

  • 21
    (97 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

    4.9
    $1,000+
    10 - 49 employees
    San Antonio, TX

    Funnel Boost Media is a marketing and lead generation company based in San Antonio. The company, founded in 2012, has a team of more than ten that provides PPC, SEO, web design, and branding services. Funnel Boost Media serves small and midmarket companies in the legal; medical; supply chain, logistics, & transport; e-commerce, and financial services industries.

    Read More

    Industries

  • 22
    (101 Reviews) 4.6

    Timeliness

    4.6

    Service Excellence

    4.5

    Value

    4.5

    Would Recommend

    4.6
    $1,000+
    10 - 49 employees
    Arlington, TX
    SEO company Thrive Internet Marketing Agency is headquartered in Arlington, Texas; Dallas, Texas; Houston, Texas and San Diego, California. They provide Search Engine Optimization, Social Media Marketing, Pay Per Click, and Web Design and were established in 2005.
    Read More

    Clients

    Restoration 1

    Industries

  • 23
    (18 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    4.9
    $1,000+
    2 - 9 employees
    Denver, CO
    Eclipse Marketing is a small Denver, Colorado-based SEO services firm. They offer Search Engine Optimization, Marketing Strategy, and Pay Per Click and were founded in 2019.
    Read More

    Industries

  • 24
    (34 Reviews) 4.7

    Timeliness

    4.7

    Service Excellence

    4.7

    Value

    4.7

    Would Recommend

    4.7
    $1,000+
    10 - 49 employees
    Carlsbad, CA
    SEO services firm SEO Inc. Was launched in 1997. Their small team is based in Carlsbad, California and Mt. Juliet, Tennessee. Their services include Search Engine Optimization and Pay Per Click.
    Read More

    Clients

    PG&E Corporation

    Industries

  • 25
    (27 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    New York, NY

    Mimvi SEO is a marketing agency headquartered in New York that specializes in SEO, social media marketing and PR. Founded in 2015, the agency is comprised of fewer than 50 employees.

    Read More

    Industries

  • 26
    (29 Reviews) 4.8

    Timeliness

    5.0

    Service Excellence

    4.8

    Value

    4.7

    Would Recommend

    4.7
    $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

  • 27
    (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
    Direction.com is a SEO services firm. Established in 2016, the team specializes in Search Engine Optimization. Their small firm is Austin, Texas-based.
    Read More

    Industries

  • 28
    (23 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 agency. The small San Diego, California-based company was established in 2015. Their team provides Search Engine Optimization, Content Marketing, and Pay Per Click.
    Read More

    Clients

    Hallmark Inc.

    Industries

  • 29
    (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

  • 30
    (21 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    Los Angeles, CA
    LawRank is a small SEO company located in Los Angeles, California and New York, New York. Founded in 2014, the team provides Search Engine Optimization, Advertising, Pay Per Click, and Web Design.
    Read More

    Clients

    Lorenz & Lorenz

    Industries

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