LAST UPDATED JUN 16, 2021

Best SEO Firms in United States - 2021 Rankings

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    1 Rankings.io

    Fairview Heights - United States

    We help elite personal injury law firms dominate first page rankings. We bring not only scrupulous attention to detail with our specialization in personal injury SEO, but also distinct competitive ....

    • Founded : 2013
    • Revenue : $10 million
    • Firm Size : 10 - 49
    • Numbers of Client : 40+
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    2 Titan Growth

    San Diego - United States

    Titan Growth is an internet marketing company based out of San Diego, offering advanced search engine optimization and pay per click solutions to clients globally. As host to a proprietary technology ....

    • Founded : 2004
    • Revenue : NA
    • Firm Size : 10 - 49
    • Numbers of Client : 50+
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    3 WebiMax

    Camden - United States

    With over 100 dedicated employees, WebiMax has among the largest pool of Internet marketing professionals you will find at an agency. WebiMax’s success is due, in large part, to the highly talent....

    • Founded : 2008
    • Revenue : $3 million - $5 million
    • Firm Size : 100+
    • Numbers of Client : 250+
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    4 Lounge Lizard

    New York - United States

    Lounge Lizard has 25 years of experience in website design and development, digital marketing, social media, and mobile app development. The agency and its team of more than 50 have been servicing cli....

    • Founded : 1998
    • Revenue : N/A
    • Firm Size : 50-75
    • Numbers of Client : 50-100
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    5 Actuate Media

    Seattle - United States

    Actuate Media was founded to help businesses navigate the world of digital advertising. Our vision is simple: we facilitate data-driven business-to-consumer relationships. How do we do this? Th....

    • Founded : 2016
    • Revenue : $1.5 - $2 million
    • Firm Size : 5-10
    • Numbers of Client : 100+
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    6 Ignite Visibility

    San Diego - United States

    Ignite Visibility is one of the industries top online marketing companies. Named number 1 SEO company in the USA, UK and Canada, one of the fastest growing companies in San Diego and number 698 on the....

    • Founded : 2012
    • Revenue : $3 million - $5 million
    • Firm Size : 50+
    • Numbers of Client : 170+
  • Verified

    7 SocialSEO

    Colorado Springs - United States

    SocialSEO is headquartered in Colorado Springs, Colorado, near the base of Pikes Peak – “America’s Mountain”, (14,115 ft.). SocialSEO has grown from a “One-Man Band” to a National Brand wi....

    • Founded : 1996
    • Revenue : $10 million
    • Firm Size : 50 - 249
    • Numbers of Client : 100+
  • Verified

    8 Dallas SEO Dogs

    Dallas - United States

    Dallas SEO Dogs is an award-winning, full-scale digital marketing team. We are experts in SEO, Google/Yahoo/Bing Ads, display and retargeting ads, social media advertising and content marketing. Our t....

    • Founded : 2006
    • Revenue : $3 million - $5 million
    • Firm Size : 30+
    • Numbers of Client : 100+
  • Verified

    9 Radd Interactive

    San Diego - United States

    Radd Interactive’s SEO and PPC marketing team utilizes innovative strategies and cutting edge, proprietary technology to help our clients grow their first page resume and achieve their goals. We are....

    • Founded : 2012
    • Revenue : $5 million
    • Firm Size : 50 - 249
    • Numbers of Client : 50+
  • Verified

    10 Website Depot Inc.

    Los Angeles - United States

    Website Depot Inc, is a full-service digital marketing agency. Website Depot was founded and incorporated in May 2012 in the state of California, with a primary office in Van Nuys. After fast and rapi....

    • Founded : 2012
    • Revenue : $1 million - $2 million
    • Firm Size : 49
    • Numbers of Client : 100+
  • Verified

    11 OuterBox

    Akron - United States

    At OuterBox we're focused on designing, developing and marketing websites that are performance minded. Since 2004 we have worked with hundreds of clients across all industries. Our talented in-house t....

    • Founded : 2004
    • Revenue : $5 million - $10 million
    • Firm Size : 50-249
    • Numbers of Client : 200+
  • Verified

    12 Double Up Digital

    Atlanta - United States

    A FULL SERVICE WEB DESIGN & DIGITAL MARKETING AGENCY. We’ve created an environment that makes us excited to come to work. Our efforts are motivated through passion, teamwork, and a demand for ex....

    • Founded : 2016
    • Revenue : N/A
    • Firm Size : 10+
    • Numbers of Client : 50+
  • Verified

    13 Nimbletoad

    Carlsbad - United States

    We are Nimbletoad. We build and optimize marketing-driven websites. Let's face it. Unless you are a marketing company, nobody decided to go into business to spend their days generating leads and fi....

    • Founded : 2008
    • Revenue : N/A
    • Firm Size : 10+
    • Numbers of Client : 50+
  • Verified

    14 WebiMax

    Camden - United States

    With over 100 dedicated employees, WebiMax has among the largest pool of Internet marketing professionals you will find at an agency. WebiMax’s success is due, in large part, to the highly talent....

    • Founded : 2008
    • Revenue : $3 million - $5 million
    • Firm Size : 100+
    • Numbers of Client : 250+
  • Verified

    15 405 Media Group

    Scottsdale - United States

    405 Media Group has been fine tuning marketing processes for businesses for over 30 years. We’ve seen fads come and go. We know the numbers, we study your customers and we know what works. We’ll m....

    • Founded : 2010
    • Revenue : $1 million - $3 million
    • Firm Size : 20
    • Numbers of Client : 100+
  • Verified

    16 Avenue 25

    Phoenix - United States

    We at Avenue 25 believe great ideas come from incredibly talented individuals, not an over-staffed office full of clock-punchers. We’re a boutique creative studio. That means we’re purposely ....

    • Founded : 1991
    • Revenue : N/A
    • Firm Size : N/A
    • Numbers of Client : N/A
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  • Top SEO Firms in United States


    Considering the importance of Search Engine optimization, businesses are joining hands with the top SEO firms to attain the best outcome. SEMfirms unveils the top SEO companies in the list provided. Here they can easily compare the most trusted and credible companies and make their wise decision. It is a one-stop place where the Top 10 SEO firms in USA are ranked based on their client reviews, experience, credibility, technical expertise, feedback, previous performance, response and many more. Search Engine optimization companies on our list strive to be the best for their customers. They provide services at an affordable price. You can collaborate with the top agencies and grow your business by attracting potential customers.

    Our team at semfirms.com filter the top Search Engine optimization Firms in US  by analysing how they implement particular strategies, Keywords, Conversion Rate Optimization as well as Backlink Strategy. Moreover, our team evaluate the ability of SEO service providers to comprehend the customers target audience and apply the perfect tactics. The Top 10 SEO firms in US  have been listed after careful analysis as well as evaluation of their previous and consistent work performance. So, you can collaborate with any of them to get a superb internet marketing solution. On top of that, you can also give your business a worldwide unique identity. SEMfirms will surely assist you to get organic and relevant traffic to your website.