Looking for an SEO agency in Sunnyvale to improve your online visibility? DesignRush helps you connect with top agencies trusted by brands like Huawei and Marriott. With over 1M monthly visitors and 40,000+ vetted agencies, our platform is a reliable resource for businesses seeking quality SEO services. Compare providers by industry expertise, client type, budget, reviews, team size, and portfolio.

Best Sunnyvale SEO Company Rankings

7 Companies - Rankings updated: July 03, 2026

DesignRush evaluates each agency using expert assessment and client feedback to inform your choices. Some featured agencies have paid placements.

United States × California × Sunnyvale ×
  • We design experiences for brands we love. Anywhere we go, digital is our home.

    We design experiences for brands we love. Anywhere we go, digital is our home.

    Critical Mass was founded when a design visionary and a successful entrepreneur came together with a focus on digital experiences in a rapidly evolving space. Over the next 25 years, we helped global brands reimagine digital and transform their businesses though strategic consulting, innovative creative ideas  [... view Critical Mass profile ]

    Top Services:

    • SEO
    • Web Design
    • Social Media Marketing
    Location
    Sunnyvale, California
    Number of Employees
    500 - 999
  • Resuscitate Your B2B Brand.

    Resuscitate Your B2B Brand.

    Even B2B professionals have B2C lives. Start talking to them as people, not companies.  [... view Donnan Creative Strategy profile ]

    Top Services:

    • SEO
    • Digital Marketing
    Location
    Sunnyvale, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $125/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    5 Projects Listed
  • Fueling the Rise of Startups

    Fueling the Rise of Startups

    Assistanova is a California-based digital marketing agency specializing in SEO, web design, content creation, ppc, and motion graphics. We deliver tailored strategies to help businesses thrive online with innovative solutions and measurable results.  [... view AssistaNova profile ]

    Top Services:

    • SEO
    • Content Marketing
    • Local Optimization
    Location
    Sunnyvale, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • Creative Consultant

    Creative Consultant

    Where you are an established business or a startup, ensuring you have a well thought out digital marketing plan in place, is vital. We do this through collaboration between our strategners and technologists. eCorweb has partnered with business across every major industry to make amazing products and connect  [... view ECorweb profile ]

    Top Services:

    • SEO
    • Web Design
    • Social Media Marketing
    Location
    Sunnyvale, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
  • Shopify design, development and marketing agency.

    Shopify design, development and marketing agency.

    Digital commerce agency Coderapper focuses on growth and has locations in the US, Canada, and India. For meaningful customer experiences, we combine data-driven design, specialized development, and targeted growth strategy.  [... view Coderapper profile ]

    Top Services:

    • SEO
    • Web Design
    • Digital Marketing
    Location
    Sunnyvale, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $25,000 - $50,000
  • Top Mobile App and Web Development Company in Canada, USA and UK

    Top Mobile App and Web Development Company in Canada, USA and UK

    We design highly polished iPhone, Android and Web Apps for startups and Enterprise clients.  [... view MobMaxime profile ]

    Top Services:

    • SEO
    • Digital Marketing
    • Web Development
    Location
    Sunnyvale, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $15/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    3 Projects Listed
  • Astin Technology is a market pioneer in IT outsourcing services. We deliver website design & development, ecommerce website development, digital marketing services and mobile app development services along with the consultation of Tivoli and Maximo tools. Delivering the best is our prime business objective  [... view Astin Technology profile ]

    Top Services:

    • SEO
    • Web Design
    • Advertising
    Location
    Sunnyvale, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $15/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed

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.