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

116 Companies - Rankings updated: August 23, 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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  • Team4eCom

    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
    • Show more
    Location
    Laguna Beach, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    4.9 4.9 (13)

  • SunTec India

    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
    • Show more
    Location
    Laguna Beach, California
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $25/hr
    Portfolios Count
    6 Projects Listed
    View Profile
    4.3 4.3 (7)
    3.5 3.5 (684)

  • SunTec Data

    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
    View Profile
    4.6 4.6 (3)

  • Andolasoft

    Scalable Gen AI Solutions

    Scalable Gen AI Solutions

    Andolasoft offers cutting-edge web and mobile app solutions that can transform your business. Our team of experts design, develop and launch apps that provide seamless user experiences and enhance productivity...

    Top Services:

    • eCommerce Development
    • WordPress Website Design
    • Web Development
    • Mobile App Development
    • Software Development
    • Show more
    Location
    San Jose, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    13 Projects Listed
    View Profile
    5.0 5.0 (2)

  • Epik Solutions

    Simplify & Grow

    Simplify & Grow

    Epik Solutions is a global organization that embraces creativity and diversity, uses technology to inspire and implement solutions to meet our customer needs. Our capabilities include: - Digital Services: helping clients to reimagine and capture possibilities while strengthening the performance of their...

    Top Services:

    • Digital Marketing
    • Email Marketing
    • eCommerce
    Location
    Pleasant Hill, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
    View Profile
    3.7 3.7 (23)

  • Sigma Infosolutions

    Magento eCommerce Solutions USA

    Magento eCommerce Solutions USA

    Contact Sigma Infosolutions for Magento eCommerce Development Solution for your business and avail secure, flexible and optimized online store...

    Top Services:

    • UI/UX Design
    • Web Development
    • Web Design
    • WordPress Website Design
    • eCommerce Development
    • Show more
    Location
    Irvine, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    View Profile
    5.0 5.0 (15)

  • Olifant Digital

    Verified Verified by the DesignRush team for authenticity and credibility.
    Full-Service Amazon Agency for PPC, SEO & Account Management

    Full-Service Amazon Agency for PPC, SEO & Account Management

    Olifant Digital is a full-service Amazon agency and Amazon PPC agency for established brands that want profitable growth managed entirely by senior Amazon specialists with 7+ years of experience, with no work delegated below senior level...

    Top Services:

    • PPC
    • SEO
    • eCommerce Development
    • Digital Marketing
    • Email Marketing
    • Show more
    Location
    Santa Monica, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    3 Projects Listed
    View Profile

  • eSellerHub

    Be-Spoke E-Commerce Solutions Handcrafted For Your Business

    Be-Spoke E-Commerce Solutions Handcrafted For Your Business

    eSellerHub is a specialized e-commerce software development and integration company that builds custom retail technology solutions for online sellers, brands, distributors, and logistics businesses. With more than 12 years of experience in the e-commerce domain, the company develops inventory management...

    Top Services:

    • eCommerce Development
    • eCommerce
    Location
    Fremont, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $20/hr
    Minimal Budget
    Under $1,000
    View Profile
    4.7 4.7 (6)

  • Social Influence

    For Tomorrow's Brands Today.

    For Tomorrow's Brands Today.

    Full-service digital marketing and eCommerce agency...

    Top Services:

    • Email Marketing
    • SEO
    • Digital Marketing
    • Social Media Marketing
    • eCommerce
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile

  • Brandock

    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...

    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
    View Profile

  • SeoTonic

    Verified Verified by the DesignRush team for authenticity and credibility.
    Featured By Forbes as Change Maker Company. Rank Higher, Grow Faster

    Featured By Forbes as Change Maker Company. Rank Higher, Grow Faster

    As a full-service, progressive digital web agency in India & USA, SEOTonic delivers impeccable services to build brands and help them connect with their own clients digitally. We believe in building dynamic, collaborative partnerships to share knowledge and ideas that will gain the results...

    Top Services:

    • SEO
    • Digital Marketing
    • Content Marketing
    • Social Media Marketing
    • PPC
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $15/hr
    Portfolios Count
    10 Projects Listed
    View Profile
    4.8 4.8 (8)
    4.1 4.1 (19)

  • Anuva LLC

    A Leading Digital Marketing Agency

    A Leading Digital Marketing Agency

    Anuva is a leading Digital Marketing Agency delivering results driven Digital Marketing Services...

    Top Services:

    • SEO
    • eCommerce
    • Digital Marketing
    • Social Media Marketing
    • PPC
    • Show more
    Location
    Folsom, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $15/hr
    Minimal Budget
    Under $1,000
    View Profile
    4.5 4.5 (2)

  • Astin Technology

    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...

    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
    View Profile
    4.5 4.5 (24)

  • Woosper Infotech

    The Brand Builders

    The Brand Builders

    Woosper is one of the best digital marketing agency based in USA and India, which was founded back in 2020. Our team of 75+ professionals in SEO, PPC, SMO, ASO, Content, Affiliate, Email Marketing, ORM, & Outbound Call Centre aims at building well-reputed brand images in the the virtual world...

    Top Services:

    • Digital Marketing
    • SEO
    • PPC
    • Social Media Marketing
    • Video Marketing
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $15/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    10 Projects Listed
    View Profile

  • jetfuel.agency

    Expert Marketing for Growing Brands

    Expert Marketing for Growing Brands

    Tired of agencies who don't perform? Or "get it?" Our team develops and executes effective marketing strategies for forward-thinking companies...

    Top Services:

    • Email Marketing
    • PPC
    • eCommerce
    • Digital Marketing
    • SEO
    • Show more
    Location
    Walnut, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $15/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile

  • SEO Discovery

    Verified Verified by the DesignRush team for authenticity and credibility.
    SEO with Guaranteed Leads (22 Years of Success)

    SEO with Guaranteed Leads (22 Years of Success)

    SEO Discovery Driving Results with Guaranteed Leads & AI-Powered SEO...

    Top Services:

    • Digital Marketing
    • SEO
    • PPC
    • Social Media Marketing
    • Content Marketing
    • Show more
    Location
    Jurupa Valley, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $10/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    8 Projects Listed
    View Profile
    4.8 4.8 (7)
    4.3 4.3 (561)

  • Sinelogix Technologies

    Bring Business Online And Grow Sales

    Bring Business Online And Grow Sales

    Sinelogix Technologies: Your Digital Success Partner Since 2012. Elevate with Irresistible Web Design, Development, and SEO. At Sinelogix we do not pull any marketing stunts on our clients, we address the clients needs directly to the point so that it can be time effective and cost effective. Sinelogix...

    Top Services:

    • Web Design
    • eCommerce Development
    • Web Development
    • WordPress Website Design
    • SEO
    • Show more
    Location
    Newark, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $10/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    4 Projects Listed
    View Profile
    4.2 4.2 (24)

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