Looking for an SEO agency in Portsmouth to boost your website's visibility? DesignRush connects you with top agencies trusted by Fortune 500 companies like Dell and Huawei. With over 1M monthly visitors and 40,000+ vetted agencies, our platform is a trusted resource for businesses seeking to enhance their online presence. Compare providers by industry expertise, client type, budget, reviews, team size, and portfolio.

Best Portsmouth SEO Company Rankings

5 Companies - Rankings updated: July 08, 2026

Each agency listed on DesignRush is assessed for industry expertise and customer testimonials are evaluated in order to provide you with a vetted selection. Certain listings represent paid partnerships.

United States × New Hampshire × Portsmouth ×
  • Real estate marketing done creatively!

    Real estate marketing done creatively!

    inMotion Real Estate Media is a dynamic digital marketing and creative agency dedicated to providing comprehensive real estate marketing solutions that drive visibility and boost sales for commercial real estate companies and their assets.  [... View InMotion Real Estate Media portfolio ]

    Top Services:

    • Web Design
    • Digital Marketing
    • SEO
    • WordPress Website Design
    • Web Development
    • Digital Services
    • Email Marketing
    Location
    Portsmouth, New Hampshire
    Number of Employees
    Under 49
    Portfolios Count
    4 Projects Listed
  • Award-Winning Web Design, eCommerce Development & Digital Marketing Strategies

    Award-Winning Web Design, eCommerce Development & Digital Marketing Strategies

    Vital Design is a leading digital marketing agency of skilled, passionate professionals. We specialize in website development, eCommerce, SEO, paid advertising, inbound and content marketing, plus video and webinar production to deliver impactful solutions for our clients.  [... View Vital Design portfolio ]

    Top Services:

    • Web Design
    • eCommerce Development
    • PPC
    • eCommerce
    • Content Marketing
    • Digital Marketing
    • SEO
    Location
    Portsmouth, New Hampshire
    Number of Employees
    100 - 249
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    9 Projects Listed
  • Advertising Campaigns That Go Above And Beyond

    Advertising Campaigns That Go Above And Beyond

    Where traditional media buying firms stop at the transaction, we go further, using our deep knowledge of how different advertising platforms perform to guide campaign creative development.  [... view Richardson Media Group profile ]

    Top Services:

    • PPC
    • Content Marketing
    • SEO
    • Media Buying
    Location
    Portsmouth, New Hampshire
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
  • Dominate the Lucrative Digital World

    Dominate the Lucrative Digital World

    SC Digital provides businesses with personalized support to help them reach their business goals and outclass the competition in today's dynamic digital market. We are dedicated to helping our clients succeed by providing real, human insights on how they can maximize their potential.  [... view SC Digital profile ]

    Top Services:

    • Digital Marketing
    • SEO
    • PPC
    • CRO
    • Social Media Marketing
    • Web Design
    • Digital Strategy
    Location
    Portsmouth, New Hampshire
    Number of Employees
    Under 49
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $1,000 - $10,000
  • Streamlining The eCommerce Shopping Experience!

    Streamlining The eCommerce Shopping Experience!

    Scaledon's team of experts guides clients through the full marketing cycle with 15+ years of experience. From strategic planning to data management and reporting, our services cover every aspect needed for a successful campaign - including PPC, SEO, email initiatives and creative content/designs.  [... view Scaledon profile ]

    Top Services:

    • PPC
    • Digital Marketing
    • SEO
    • Content Marketing
    • Email Marketing
    • WordPress Website Design
    • Video Production
    Location
    Portsmouth, New Hampshire
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000

About The Author and Expert Reviewer

Natasa Glikman is an experienced editor and content writer with over 10 years of experience in writing, editing, and translating articles across various topics, with a strong focus on marketing and advertising. At DesignRush, Natasa currently works as an editor, where she refines and enhances B2B content to ensure accuracy, clarity, and consistency across agency profiles and industry reports.

Robin Fishley is a digital professional with over 20 years of experience in programming, website architecture, and data optimization. Twice honored as Most Innovative Employee at his previous agency, he excelled in leadership roles across SEO, research, analytics, and strategy. At Saatchi & Saatchi, where he was the Director of Search and Data, he developed a successful Big Data analysis tool and provided expert consulting for renowned clients like P&G, Toyota, and VISA. A valuable asset to DesignRush, he used his technical background to drive success for the company's digital initiatives.