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. 

United States × California ×
  • Web Tonic

    VerifiedVerified by the DesignRush team for authenticity and credibility.
    Trusted By More Than 750 Brands like Nestle, Airbnb and Youtube.

    Trusted By More Than 750 Brands like Nestle, Airbnb and Youtube.

    Best Global Agency Awards 2026...

    Top Services:

    • SEO
    • PPC
    • Advertising
    • Digital Marketing
    • Media Buying
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    Location
    San Francisco, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    36 Projects Listed
  • eCommerce & Amazon Marketing

    eCommerce & Amazon Marketing

    Established in 1999, Team4eCom is a global e-commerce marketplace management agency with over 500 full-time employees. We have supported 5,000+ businesses with solutions across marketplaces, including Amazon, eBay, and platforms like ChannelAdvisor...

    Top Services:

    • eCommerce
    • SEO
    • PPC
    • Digital Marketing
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    Location
    Laguna Beach, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
  • Full Service Amazon Agency

    Full Service Amazon Agency

    With 25+ years of experience, Data4Amazon is a full-service Amazon agency with over 500 Amazon specialists. We have managed 3,500+ Amazon stores across the USA, Europe, Canada, and Asia...

    Top Services:

    • Digital Marketing
    • SEO
    • PPC
    • Content Marketing
    • Advertising
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    Location
    Laguna Beach, California
    Number of Employees
    500 - 999
  • There Is No Limit

    There Is No Limit

    3Q/DEPT has been helping innovative businesses succeed since 2008. Through 3Q's assistance, brands such as Square, ModCloth, SurveyMonkey and Eventbrite have evolved from up-and-comers to industry leaders! For more information on the services we offer visit https://3qDept.com/contact today - it could be your...

    Top Services:

    • SEO
    • Media Buying
    • Social Media Marketing
    • eCommerce
    • Digital Marketing
    • Show more
    Location
    San Francisco, California
    Number of Employees
    500 - 999
    Minimal Budget
    $50,000 & Up
  • Full Service Ecommerce Agency

    Full Service Ecommerce Agency

    Data4eCom is a full-service eCommerce and marketing agency with 25+ years of experience and 500+ full-time employees. We have supported more than 4,500 eCommerce businesses with product data management, marketing, marketplace management, and virtual assistant services...

    Top Services:

    • eCommerce
    • SEO
    • PPC
    • CRO
    • Digital Marketing
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    Location
    Laguna Beach, California
    Number of Employees
    500 - 999
    Minimal Budget
    Under $1,000
  • Merging Data with Creativity

    Merging Data with Creativity

    TEAM LEWIS is a worldwide force in marketing, connecting brands to success with an expansive range of services. With offices on three continents and over 500 specialists ready to help make the most out of any business venture, they inspire ambition while using creativity and technology to achieve amazing...

    Top Services:

    • PPC
    • SEO
    • Content Marketing
    • Digital Marketing
    • Email Marketing
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    Location
    San Francisco, California
    Number of Employees
    500 - 999
  • AI-Enabled IT and Digital Services Company

    AI-Enabled IT and Digital Services Company

    SunTec India is an AI-enabled IT and digital services company with 25+ years of experience, 1,500+ full-time employees, 8500+ clients worldwide, and a full spectrum of IT outsourcing, data solutions, digital engineering, eCommerce support, digital marketing and photo editing services...

    Top Services:

    • Web Development
    • Mobile App Development
    • eCommerce Development
    • SEO
    • Web Design
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    Location
    Laguna Beach, California
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $25/hr
    Portfolios Count
    6 Projects Listed
  • Marketing For Digital Natives

    Marketing For Digital Natives

    Grazitti Interactive, a global leader in digital innovation, offering AI-driven solutions to drive customer success. We specialize in Salesforce, marketing automation, analytics, and more, partnering with industry giants to deliver results-oriented solutions for clients...

    Top Services:

    • Graphic Design
    • Video Production
    • Web Design
    • Web Development
    • Digital Marketing
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    Location
    Mountain View, California
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    11 Projects Listed
  • AI-Enabled, Human-Validated Data Support, Engineered for Enterprises

    AI-Enabled, Human-Validated Data Support, Engineered for Enterprises

    SunTec Data is a global leader in AI-enabled data, BPO, and KPO solutions, backed by over 25 years of experience and 1,500+ data professionals across 50+ countries. Combining advanced AI tools with human-in-the-loop oversight, we deliver ISO-certified, HIPAA-compliant data management...

    Top Services:

    • Market Research
    • BPO
    • Big Data Analytics
    • eCommerce
    • AI Development
    • Show more
    Location
    Laguna Beach, California
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • Love Growth. Hate Waste.

    Love Growth. Hate Waste.

    Tinuiti is the largest independent fullfunnel performance marketing agency in the U.S., managing over $4billion in media spend across search, social, commerce, TV/audio, and affiliate channels. With 1,200+ employees and locations across North America, the agency blends media expertise, data science, and...

    Top Services:

    • Media Buying
    • Digital Marketing
    • eCommerce
    • Video Marketing
    • PPC
    • Show more
    Location
    San Francisco, California
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $50,000 & Up
  • Truth in data. Proof in performance.

    Truth in data. Proof in performance.

    Merkle is a leading technology-enabled, data-driven customer experience management (CXM) company. For over 30 years, Fortune 1,000 companies and leading nonprofit organizations have partnered with us to build and maximize the value of their customer portfolios...

    Top Services:

    • Affiliate Marketing
    • Advertising
    • eCommerce
    • Creative Services
    • Public Relations
    • Show more
    Location
    San Francisco, California
    Number of Employees
    1000 & Up

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