Explore the leading South Carolina SEO companies selected by our team of industry experts. Find the most suitable candidate for your project needs based on average rates, expertise, team size, client reviews and more. Use the filter to streamline your search.

Best South Carolina SEO Company Rankings

4 Companies - Rankings updated: August 28, 2026

Every agency on DesignRush meets evaluation criteria around expertise and client feedback to empower informed choices. Some listings include paid partnerships.

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  • Fuel Online

    #1 Rated Digital Agency since 1998. Elite SEO, AI Strategy & Unmatched Full Funnel Digital Execution

    Fuel Online emphasizes in-house expertise and long-running technical experimentation, presenting itself as a pioneer in algorithm research and search behavior tracking. The SEO agency treats search optimization as an evolving engineering discipline rather than a checklist-based marketing service...

    Top Services:

    • SEO
    • Social Media Marketing
    • PPC
    • eCommerce Development
    • Digital Marketing
    • Show more
    Location
    North Charleston, South Carolina
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    2 Projects Listed

    Fuel Online Services

    • SEO
    • Social Media Marketing
    • PPC
    • eCommerce Development
    • Digital Marketing
    • Content Marketing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • VERACODE
    • Recruiter.com
    • Fresh N Lean
    • Trustmark
    • Verizon
    • NVIDIA
    • Aspect Software
    • AppDynamics
    • Steel Commander
    • Keller & Keller
    Data sourced from the agency's DesignRush profile

    Fuel Online Reviews & Testimonials

    • Derek Shaw
      Derek Shaw CEO at Derek Shaw Labs
      5.0 ★

      SEO Review from Derek Shaw

      Their expertise definitely shows in their work! Highly recommended for anyone looking for an innovative creative/branding agency to upgrade their business. Their communication and transparency is awesome as well.

    • Joeri Leeuwerik
      Joeri Leeuwerik Sales manager at Brandist NYC
      5.0 ★

      SEO Review from Joeri Leeuwerik

      We hired them for Enterprise SEO and so far they have blown us away. The attention to detail, reports and analytics, and actual real serp movement across atleast 30-40% of our keywords within 6 months is astounding. These guys really know their stuff, can't recommend them enough.

    • Madeline Perez
      Madeline Perez Organization Manager at Atomic Digital Marketing
      5.0 ★

      SEO Review from Madeline Perez

      Top notch seo services. We've begun to receive a large number of organic inquiries from people doing Google searches and visiting our website. Since starting with them website traffic via organic has increased approx 250%. Furthermore, we believe that their efforts have steered a large number of new clients toward us. Very impressed.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit Website View Profile
    4.8 4.8 (5)
    5.0 5.0 (73)

  • AddWebSolution

    Verified Verified by the DesignRush team for authenticity and credibility.

    AI Driven Digital Agency

    AddWeb Solution is a Greenville, South Carolina - based AI-driven digital agency delivering innovative digital solutions worldwide...

    Top Services:

    • Web Development
    • eCommerce Development
    • Mobile App Development
    • Software Development
    • Software Testing
    • Show more
    Location
    Greenville, South Carolina
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    65 Projects Listed

    AddWebSolution Services

    • Web Development
    • eCommerce Development
    • Mobile App Development
    • Software Development
    • Software Testing
    • SEO
    • Cloud Consulting
    • WordPress Website Design
    • AI Development
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • PPE Supplies Direct
    • Georgia Test Prep
    • SageFlow
    • Life Coach Schools - LCS
    • GoSafr
    • Houseys
    • EAB
    • Australian Christian College
    • Bradley’s Fish
    • Voxabot
    Data sourced from the agency's DesignRush profile

    AddWebSolution Reviews & Testimonials

    • Derick Lee
      Derick Lee CEO at PilotCity
      5.0 ★

      Software Development Review from Derick Lee

      AddWeb came in clutch during a time when we were needing engineering and software development back in 2021. We worked with them for nearly 4 years with small to large contracts for full stack development. We highly recommend their team. Professional, smart, helpful and great people. We worked with them on smaller agreement all the way to $120K contracts. We highly recommend their vast levels of experiences.

    • Ravi Patel
      Ravi Patel Director at VTeam
      5.0 ★

      Web Development Review from Ravi Patel

      Our experience with AddWeb Solution was excellent. The team built a modern, SEO-optimized WordPress website and a custom AI-powered SaaS platform for the US accounting industry. They helped automate key processes like bookkeeping, invoicing, and reporting, which reduced manual work by over 60% and improved accuracy. The platform is fast, scalable, and easy to use, and the website performs well across devices. Communication was clear, timelines were met, and the team was proactive in suggesting better technical solutions when needed. Both the WordPress site and the SaaS platform exceeded our expectations. We highly recommend AddWeb Solution for WordPress development, SaaS product development, and AI-driven web solutions.

    • Dan París
      Dan París CEO at Funatik World SL
      5.0 ★

      Mobile App Development Review from Dan París

      AddWeb Solution has been a fantastic partner for our app development. They quickly understood our vision and how the product needed to work, and they supported us consistently throughout the process with clear communication and fast, practical solutions. A special mention to the people behind the work: beyond being highly skilled professionals, the team is genuinely kind, approachable, and committed. You can feel they care about the project and about doing things right. Were very happy with the outcome and would absolutely recommend them to anyone looking for a reliable, human, and high-quality development team. We're very happy with the final result and the overall collaboration. Highly recommended for anyone looking for a skilled, dependable team to build and deliver a solid product.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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    4.9 4.9 (17)

  • RGray

    RGray is an AI-accelerated, performance-oriented marketing agency for crypto, AI, SaaS & FinTech

    RGray is an AI-accelerated, performance-oriented marketing agency for crypto, AI, SaaS, fintech, and tech companies. Since 2019, we've served 80+ tech businesses, supported 15 token launches, and raised $30M+ for our clients - earning a 4.9 rating on Clutch, with 15% of clients staying with us...

    Top Services:

    • SEO
    • Digital Marketing
    • Web Design
    • Social Media Marketing
    • Branding
    • Show more
    Location
    Charleston, South Carolina
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    6 Projects Listed

    RGray Services

    • SEO
    • Digital Marketing
    • Web Design
    • Social Media Marketing
    • Branding
    • Logo Design
    • Product Design
    • UI/UX Design
    • PPC
    • Media Buying
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • News.Bitcoin.com
    • goodcryptoX
    • SatsTerminal
    • ShapeShift
    • IntellectSoft
    • CoinLaunch
    • Devurai
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile
    5.0 5.0 (6)

  • Peaktwo

    Designing, building, and optimizing modern website systems.

    Peaktwo is a strategy-led web consultancy that designs, builds, and optimizes high-performing websites for fast-growing B2B companies. We help marketing teams turn their websites into modern digital platforms that support demand generation, user engagement, and long-term growth...

    Top Services:

    • Web Design
    • Web Development
    • Digital Marketing
    • WordPress Website Design
    • Creative Services
    • Show more
    Location
    Fort Mill, South Carolina
    Number of Employees
    Under 49
    Average Hourly Rate
    $199/hr
    Minimal Budget
    $50,000 & Up

    Peaktwo Services

    • Web Design
    • Web Development
    • Digital Marketing
    • WordPress Website Design
    • Creative Services
    • SEO
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Itential
    • Emplifi
    • Smithbucklin
    • Granicus
    • Cayuse
    Data sourced from the agency's DesignRush profile

    Peaktwo Reviews & Testimonials

    • Ann Tate
      Ann Tate Review from Google
      5.0 ★

      Ann Tate's Review Sourced from Google

      Our business, United Wellness Center & Sports Rehab, located in Northern Virginia, has been using Peaktwo for many years now and are more than thrilled with their work. Peaktwo created our website, mobile website application and continually helps us with blogging and content marketing. If you are looking for a top notch firm to help you maximize your online and marketing presence, then Peaktwo is for you.

    • Lori Biggers
      Lori Biggers Review from Google
      5.0 ★

      Lori Biggers's Review Sourced from Google

      We've worked with Mike and the staff at Peaktwo since 2009. They have provided services from the development and continual updates of our website, to providing our staff with lectures on marketing and the use of social media to our clients. They offer creative solutions for challenging industries. We're grateful to have them at our side.

    • Nolan M
      Nolan M Review from Google
      5.0 ★

      Nolan M's Review Sourced from Google

      Mike and his team at Peaktwo have provided great vision and expertise for Roadmaster Active Suspension in any area that pertains to strategy, web development, online presence and usual website maintenance. Their communication and detailed execution is on point, the team is top notch. Peaktwo certainly comes with my recommendation!

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit Website View Profile
    5.0 5.0 (23)

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