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 × Industrial × $10,000 - $25,000 ×Clear Filters
  • Magneto IT Solutions

    VerifiedVerified by the DesignRush team for authenticity and credibility.
    Next-Gen Digital Commerce and Growth Marketing Partner

    Magneto IT Solutions, a New York based digital commerce agency founded in 2010, is one of the eCommerce providers building Magento, Shopify Plus, and Adobe Commerce platforms for B2B, B2C, and D2C brands. The team has launched 400+ stores and managed over $15 billion in client revenue...

    Top Services:

    • Branding
    • AEO
    • AI Development
    • CRM Consulting
    • ERP Consulting
    • Show more
    Location
    San Francisco, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    50 Projects Listed
  • AI & Software Development Company

    Intuz is an AI development company with 16+ years of enterprise delivery: 700+ products built, 54+ AI systems live in production today. AWS Consulting Partner and a Clutch Top Generative AI Company in 2026. Startups to Fortune 500s hire us when AI has to work on day 400, not just in the demo...

    Top Services:

    • AI Development
    • Software Development
    • IoT
    • Mobile App Development
    • eCommerce Development
    • Show more
    Location
    San Ramon, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    12 Projects Listed
  • Fluent In Digital. Focused On Impact

    We empower businesses / non-profits / communities with powerful technology solutions that shape their future...

    Top Services:

    • Mobile App Development
    • Software Development
    • AI Development
    • eCommerce Development
    • Blockchain
    • Show more
    Location
    Bakersfield, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000

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
129,561+
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
3

Some agencies pay for sponsored placement, clearly labeled and held to the same vetting standards.

See how rankings and monetization work.