Best California eCommerce SEO Agencies

402 Companies - Rankings updated: April 01, 2026

DesignRush assesses agencies using expertise standards and verified client experiences to help you make better decisions. Certain agencies have paid placements.

United States × California ×
  • Your One-Stop-Destination For Growth-Marketing.

    Your One-Stop-Destination For Growth-Marketing.

    We are Tech Bay Leaf, a leading data-driven digital marketing agency where curiosity meets creativity, & insights become sales. We specialize in providing digital specialists with flexibility and cost-effective solutions. Our presence is global and our marketing culture meets the demands of businesses as the  [... view Tech Bay Leaf profile ]
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    Under $1,000
  • Reimagine Growth With Cutting-Edge App Development

    Reimagine Growth With Cutting-Edge App Development

    VOCSO Technologies is an ISO 27001 certified web and mobile solutions company based in India, USA, and UAE. VOCSO Technologies is a one-stop web and mobile solutions agency, offers website design and development, mobile application design & development, and digital marketing services.  [... view VOCSO Technologies profile ]
    Location
    Orange County, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
  • A Headless Commerce Agency

    A Headless Commerce Agency

    RW Infotech is a Dubai-based digital agency specializing in custom web development, headless CMS integration, and scalable digital solutions. Founded in 2012 and originally established in India, they now have operations in Dubai, USA, and Australia, serving clients globally.  [... view RW Infotech profile ]
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
  • Innovate, Create, Excel.

    Innovate, Create, Excel.

    SoftGrid Computers is a prominent custom software development company that excels in blending the latest technologies with well-organized creative work. With a strong focus on understanding client needs and delivering optimal solutions, we strive to be a reliable partner that offers great value for money. Our  [... view SoftGrid Computers profile ]
    Location
    Santa Monica, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $1,000 - $10,000
  • Crafting Websites, Creating Success!

    Crafting Websites, Creating Success!

    Invoxico Technologies is an adept company in web design and development, acknowledged for its proficiency in crafting customized digital solutions. Their expert team focuses on UI/UX design, web development, CMS development, eCommerce solutions, and mobile app development, and offers a complete range of  [... view Invoxico Technologies profile ]
    Location
    La Puente, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
  • Transform Your Brand with Leading IT Experts.

    Transform Your Brand with Leading IT Experts.

    SystechLogic is your trusted partner for innovative marketing solutions and software development services. We combine creativity, technology, and strategy to help businesses stand out in competitive markets. From crafting engaging campaigns to developing user-friendly, high-performance software & mobile apps  [... view Systechlogic profile ]
    Location
    Ontario, California
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
  • Imagination Meets Implementation

    Imagination Meets Implementation

    We are one stop solution for all your digital needs. We follow a structured and agile development approach with project management planner to ensure the successful delivery of every project, focusing on quality, cost-optimization, transparency, and client satisfaction.  [... view Nextwebi It Solutions Pvt Ltd profile ]
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
  • Best SEO and Digital Marketing Company

    Best SEO and Digital Marketing Company

    Brand Height offers digital-marketing solutions and integrates WhatsApp marketing to help brands communicate directly with customers via a channel already in their hands. The agency combines targeted outreach and performance marketing to drive leads and conversions through WhatsApp.  [... view Brand Height profile ]
    Location
    San Francisco, California
    Number of Employees
    Under 49
  • Let Design, Function, and Strategy Meet!

    Let Design, Function, and Strategy Meet!

    We create websites and provide businesses with various opportunities to collect leads and make money from unexpected conversions. The custom website company is dedicated to fulfilling needs that our experts can handle. We only make the best promises when it comes to website creation.  [... see all Website Design Valley reviews ]
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Portfolios Count
    5 Projects 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.