Our expert analysts have ranked the best eCommerce development companies in California that build intuitive online stores to help you turn visitors into paying customers. Filter them by portfolios, budget, client reviews, industry reputation and more to find the right fit for your brand.

Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.

United States × California × Retail × $25,000 - $50,000 ×Clear Filters
  • Your trusted AI software development partner

    Diffco builds Magento and Shopify web stores for retail and eCommerce clients, including grocery delivery platform Food Rocket, from its Silicon Valley base. The 2008-founded eCommerce company also specializes in AI and custom software development, having delivered 1,150+ projects overall...

    Top Services:

    • AI Development
    • Software Development
    • Staff Augmentation
    • Mobile App Development
    • Web Development
    • Show more
    Location
    San Jose, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $110/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    31 Projects Listed
  • Your Product Engineering & Gen AI Partner

    Simform is a premier AI-native digital engineering company specializing in Product Engineering, Agentic AI, Data, Cloud and Enterprise Transformation. We help enterprises and high-growth ISVs build sophisticated AI-integrated digital solutions and scalable platforms...

    Top Services:

    • Software Development
    • Cloud Consulting
    • AI Development
    • Big Data Analytics
    • DevOps Consulting
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    8 Projects Listed
  • Mobile App & Ecommerce Development for Startups

    Minority-owned web, mobile app, e-commerce and AI development company founded in Los Angeles in 2019, with roots in client work across France and Europe since 2016. Case studies include apps and platforms for Snapchat employees, the National Dental Association, Pergola Cave and The Wisdom Tooth Clin...

    Top Services:

    • Web Development
    • eCommerce Development
    • Mobile App Development
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    28 Projects Listed
  • Certified E-Commerce Development Company

    Certified E-Commerce Development Company...

    Top Services:

    • eCommerce Development
    • Web Development
    • IT Services
    • Web Design
    • Mobile App Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    16 Projects Listed
  • Driven by Innovation

    The best eCommerce development company empowering you with the tools you need to conquer your industry...

    Top Services:

    • Wearables
    • VR/AR
    • Mobile App Development
    • Software Development
    • eCommerce Development
    • Show more
    Location
    Pleasanton, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    11 Projects Listed
  • Memorable Customer Experiences Guaranteed

    Sleepless Media is driven by a deep passion for meticulously creating comprehensive brand experiences that revolve around bespoke and adaptable Shopify websites...

    Top Services:

    • WordPress Website Design
    • Web Development
    • Web Design
    • eCommerce Development
    • Logo Design
    • Show more
    Location
    Soquel, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $175/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    24 Projects Listed
  • Digital Experiences, Re-Imagined.

    We pride ourselves on delivering innovative, digital experiences that make an impact. Since 2012, weve proudly partnered with start-ups, SMBs, Fortune 500 companies and everyone in between to unlock value through creativity, technology, and business-minded thinking...

    Top Services:

    • Web Design
    • Web Development
    • Branding
    • WordPress Website Design
    • eCommerce Development
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $125/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    4 Projects Listed
  • Driving Change Through Technology

    At eQuality Software, we create digital solutions that drive real impact. With over 14 years of experience in mobile app development, our team specializes in designing and delivering scalable, intuitive, and high-performance applications tailored to your business goals...

    Top Services:

    • Mobile App Development
    • Blockchain
    • VR/AR
    • eCommerce Development
    • IoT
    • Show more
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    13 Projects Listed
  • Impactful WordPress Web Design Solutions

    As a woman-owned WordPress web design and development company, we specialize in building high-impact custom websites for environmentally conscious, social justice-oriented, and purpose-driven companies. With our expertise in WordPress, we provide full control over website editing and maintenance...

    Top Services:

    • Web Development
    • UI/UX Design
    • eCommerce Development
    • Web Design
    • SEO
    • Show more
    Location
    Oakland, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $175/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    14 Projects Listed
  • Elevate your eCommerce.

    i95Dev is your one-stop-shop for all your customer experience, eCommerce, and integration needs. We specialize in designing, developing, and maintaining B2B/B2C integrated omni-channel eCommerce solutions on Magento, Shopify, and BigCommerce. Our products and solutions are designed to enable clients to reach...

    Top Services:

    • eCommerce Development
    • Digital Marketing
    Location
    Burbank, California
    Number of Employees
    500 - 999
    Minimal Budget
    $25,000 - $50,000
  • Innovating One Product at a Time!

    Kwanso, recognized as a top 5 mobile company by Silicon Review, is a team of expert designers, developers, machine learning engineers, and consultants dedicated to building exceptional digital experiences...

    Top Services:

    • Mobile App Development
    • Software Development
    • AI Development
    • eCommerce Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    5 Projects Listed
  • Achieving the Unachievable.

    We create and manage the world's most iconic brands. Brand and product agency that delivers heroic work and legendary clients. DECOSTA has worked with clients in a wide range of industries including entertainment, consumer goods, technology, energy, finance, and more...

    Top Services:

    • Digital Services
    • Branding
    • Creative Services
    • Product Design
    • Digital Strategy
    • Show more
    Location
    Burbank, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $300/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    6 Projects Listed
  • Elevating Retail Brands Through Data

    Latticework Insights is a Los Angeles-based data science agency. We provide Data Leadership to CFOs and COOs at Retail and DTC brands. Our team connects fragmented data from Meta, Google, TikTok, Shopify, Amazon, and Salesforce into a centralized warehouse, then models LTV:CAC, retention, unit economics, and...

    Top Services:

    • AI Development
    • Software Development
    • CRM Consulting
    • Big Data Analytics
    • eCommerce Development
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $300/hr
    Minimal Budget
    $25,000 - $50,000

Why companies trust DesignRush

Every agency is independently vetted before it can be listed or ranked

1

Identity Check

We verify businesses and reviewer LinkedIn profiles for integrity.

Agencies vetted
129,437+
2

Portfolio Review

We review agency work, case studies, and results to confirm skill.

Applicants rejected
47%
3

Ongoing Audit

We monitor listings regularly; outdated agencies are removed.

Agencies verified
13

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