Our experts ranked the leading eCommerce marketing agencies in California providing a wide variety of services such as social media marketing, content marketing, influencer marketing, SEO, paid advertising and more. They can help your brand stand out in a crowded marketplace and achieve online success. Use our filters to sort listings by price, reviews, portfolios, size and more to select the right company for you. 

Best California eCommerce Marketing Company Rankings

156 Companies - Rankings updated: July 09, 2026

All agencies on DesignRush undergo evaluation based on professional expertise and verified client reviews. Please note that certain placements are paid partnerships.

United States × California ×
  • Performance-Driven SEO, SEM and PPC Digital Marketing Agency

    Performance-Driven SEO, SEM and PPC Digital Marketing Agency

    TimeZ Marketing is a global, performance-driven SEO, SEM, and PPC agency delivering measurable, scalable growth for B2B SaaS, eCommerce, enterprise, and local brands. We leverage live data to drive and optimize traffic and increase search visibility...  View TimeZ Marketing profile

    Top Services:

    • PPC
    • SEO
    • CRO
    • Content Marketing
    • Digital Marketing
    • Show more
    Location
    San Jose, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $86/hr
    Minimal Budget
    $1,000 - $10,000
  • Scalable Strategies for Mid & Large Companies

    Scalable Strategies for Mid & Large Companies

    Uprankd is a premium SEO agency helping mid and large companies scale with data-driven strategies. We deliver measurable growth, trustworthy service, and proven results. Partner with Uprankd to dominate search and maximize ROI...  View all reviews

    Top Services:

    • Web Development
    • SEO
    • PPC
    • Digital Marketing
    • Social Media Marketing
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
  • Empowering Brands With Smart Solutions

    Empowering Brands With Smart Solutions

    Brandock is a full-stack Amazon automation agency helping entrepreneurs, sellers, and investors build, launch, and scale profitable eCommerce businesses. From LLC formation to product sourcing, listing optimization, and PPC management, Brandock delivers data-driven solutions with full transparency and...  View Brandock profile

    Top Services:

    • eCommerce Development
    • Web Development
    • UI/UX Design
    • HR Outsourcing
    • Business Consulting
    • Show more
    Location
    Mountain View, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    Under $1,000
  • Beautiful & Functional Digital Solutions That Deliver ROI

    Beautiful & Functional Digital Solutions That Deliver ROI

    Endertech (endertech.com, 310.400.0800) is a full-service web and software development company near Los Angeles since the year 2000 providing custom design, e-commerce, software development, and online marketing support. “If you can dream it; We can build it”...  View all reviews

    Top Services:

    • Digital Services
    • Web Development
    • Web Design
    • eCommerce Development
    • Software Development
    • Show more
    Location
    Torrance, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
  • Best Websites for Best Business

    Best Websites for Best Business

    WebsiteDezk is a premier digital marketing agency thats enabling companies to grow by aligning their business with a data-centric strategy. From mobile apps to video production, website design to branding, search engine optimized content to complete digital marketing we do it all...  View all reviews

    Top Services:

    • Web Design
    • eCommerce Development
    • Web Development
    • WordPress Website Design
    • eCommerce
    • Show more
    Location
    Anaheim, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    Under $1,000
  • Specializing in technology development and marketing services.

    Specializing in technology development and marketing services.

    Covinten Media is a dynamic agency specializing in both technology development and marketing services. We create advanced digital products for businesses and implement marketing strategies to boost brands visibility and growth. Our dual expertise ensures comprehensive support for your business's success in a...  View Covinten Media profile

    Top Services:

    • Web Design
    • Web Development
    • Mobile App Development
    • UI/UX Design
    • SEO
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Minimal Budget
    Under $1,000
  • 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 portfolio  |  View all reviews

    Top Services:

    • Web Design
    • eCommerce Development
    • WordPress Website Design
    • eCommerce
    • SEO
    • Show more
    Location
    Sunnyvale, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $15/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • We Build Success Stories

    We Build Success Stories

    For over 2 decades, starting in 1998, we have been serving a global clientele with web design, web development, mobile app development & digital marketing services. Our expertise spans SEO, Google Ads, Alibaba minisites & ranking optimization & the ongoing maintenance of apps and websites across more than 75...  View all reviews

    Top Services:

    • Web Design
    • eCommerce Development
    • Web Development
    • WordPress Website Design
    • Digital Marketing
    • Show more
    Location
    Dublin, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000

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.

Mariana Delgado is the Head of Marketing at DesignRush, with more than ten years of experience across digital marketing, sales management, search, and video advertising. Since joining DesignRush, she has delivered 3× site-traffic growth and 2× growth in monthly revenue by building scalable, performance-led programs that connect acquisition, content, and brand across channels. Her campaigns have achieved a 5:1 ROAS.