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.

Best California eCommerce Development Agency Rankings

176 Companies - Rankings updated: August 20, 2026

DesignRush vets all agencies based on professional qualifications and verified customer feedback to help you choose confidently. Some featured agencies maintain paid sponsorships.

United States × California ×
  • AI-Native Product Engineering Company

    Developer Bazaar Technologies is a Top AI Development company building custom Mobile App & Software Development and specializing in building AI Solutions delivering mesurable outcome...

    Location
    Fremont, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    6 Projects Listed
  • Your Vision. My Expertise. Powerful Branding & Web Design.

    We help Brands & Businesses stand out online and thrive in a connected world. Crafting user-friendly websites and impactful brand identities to help brands and businesses thrive online...

    Location
    Santa Cruz, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $125/hr
    Portfolios Count
    8 Projects Listed
  • Your strategic partners in data-driven, user-inspired, & future-ready digital innovations.

    Tentackles is a premier UI/UX design agency, serving global clients since 2018. We specialize in innovative and user-centric digital solutions that captivate audiences and drive conversions. Our expert team crafts visually engaging and seamless user experiences. Need top-tier design? Connect with us...

    Location
    Walnut, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Portfolios Count
    16 Projects Listed
  • Guaranteeing a 5 star experience!

    Innofied is an award-winning B2B AI software development company with 600+ successful projects since 2012, helping businessesincluding Fortune 500 companieswith modern AI and SaaS solutions. With a global presence, our game-changing automated solutions continue to drive success across industries...

    Location
    Sunnyvale, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    20 Projects Listed
  • Growth Partner for Strategic Innovation

    At Make My Brand (MMB), we transform ideas into industry-leading brands using our proprietary Brand Development Lifecycle (BDLC) framework. We deliver measurable growth through tailored strategies, real-time insights, and flexible models including Growth-as-a-Service, Staff-as-a-Service, AI Innovation, and...

    Location
    Emeryville, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $15/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    20 Projects Listed
  • Top AI, Mobility, and IoT Software Consulting and Development Agency

    Fusion Informatics is a leading software development and consulting company specializing in AI & IoT, helping businesses enhance Customer Experience, achieve Operational Excellence, and drive Digital Transformation. We deliver cutting-edge digital solutions ranging from AI and IoT to mobile apps...

    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    5 Projects Listed
  • AI-enabled Software Development

    Capital Numbers are an award-winning Digital Transformation and Engineering Firm offering end-to-end software development solutions to Enterprises, SMEs, Digital Agencies, and Startups worldwide. Pricing starts at $25/hour...

    Location
    San Francisco, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    15 Projects Listed
  • Engineering partner for digital agencies

    GetDevDone is the engineering partner for digital agencies...

    Location
    San Francisco, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    19 Projects Listed
  • Olifant Digital

    Verified Verified by the DesignRush team for authenticity and credibility.

    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...

    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
  • Award-Winning Web Design, eCommerce Development & Digital Marketing Strategies

    Vital Design is a leading digital marketing agency of skilled, passionate professionals. We specialize in website development, eCommerce, SEO, paid advertising, inbound and content marketing, plus video and webinar production to deliver impactful solutions for our clients...

    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    9 Projects Listed
  • AI | Gen-AI | Blockchain | IT Staff Augmentation | Mobile App

    Quytech is a leader in digital innovation of global startups, SMEs, and Fortune 500 organizations. With 14+ years of experience and strong technology expertise, we deliver digital-first experiences that help businesses stay competitive. View the Quytech Reviews, Portfolio, and Services...

    Location
    Walnut, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    12 Projects Listed
  • We Empower Businesses Through Technology.

    Saritasa is a leading custom software development company offering a wide range of services, including mobile development, web development, AR/VR development, IoT solutions, DevOps, custom development, and database development...

    Location
    Irvine, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $130/hr
    Portfolios Count
    5 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...

    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
  • We Believe The Only Strategy Is To Be Irreplaceable.

    RNR is a high-end web atelier built by passionate creatives and builders...

    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $70/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    10 Projects Listed
  • Carefully devised digital products that strengthen your brand

    Full cycle UX/UI design and development studio that crafts comprehensive digital experiences for the real users...

    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed
  • We Accelerate Your Technology Excellence.

    First Line Software is a global AI services and technology partner helping organizations become AI-First. Since 2010, weve worked with enterprises and high-growth companies to design, build, and scale custom software and AI-driven solutions that deliver measurable business outcomes...

    Location
    San Mateo, California
    Number of Employees
    500 - 999
    Portfolios Count
    4 Projects Listed
  • Boost Your DTC Profitability

    Binaery is a boutique Shopify Plus agency specializing in theme development, UX/UI ecommerce design, and conversion optimization. The team partners with growing direct to consumer brands to create engaging, high performance online storefronts...

    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $120/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    4 Projects Listed
  • Your trusted partner for cutting-edge mobile app development.

    Discover innovation and excellence at IMG Global Infotech! Immerse yourself in cutting-edge services and high-quality development solutions that redefine the digital landscape. Our dynamic work environment fosters creativity and collaboration to fuel groundbreaking ideas...

    Location
    California City, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    7 Projects Listed
  • We develop high quality, SEO ready WordPress and Shopify websites for businessessince 2008.

    We develop high quality, SEO ready WordPress and Shopify websites for businesses—since 2008. We help websites and ecommerce businesses increase performance and sales through online marketing and SEO...

    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    11 Projects Listed
  • Transforming businesses with custom AI development

    Xicom has been building software and mobile apps that moves businesses forward. Over 20+ years, we have grown into a trusted AI development company, delivering 1800+ projects to 750+ clients across 50+ countries, including startups, SMBs, and enterprises...

    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    2 Projects Listed
  • Product development studio for innovators

    We are a product development studio for innovators, specializing in B2B SaaS platforms for productivity, analytics, marketing, sales, and engineering. We work with serial entrepreneurs, startup founders, and CTOs at industrial enterprises to create time through innovative products...

    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $60/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    14 Projects Listed
  • Turn Your Website and E-Commerce Visitors Into Loyal Customers

    UX/UI Design and Development | Websites and e-Commerce When you work with DesignPax, you can count on a customer-centric site with stunning visuals, clear messaging, and a rich user experience that puts your goals first...

    Location
    Burbank, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $95/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    10 Projects Listed
  • Your Software Development Partner Where AI Innovation Meets Engineering Excellence

    Founded in 2000, Radixweb is a global leader in AI-driven software, product engineering & digital transformation. With 25+ yrs, 650+ experts & 5,500+ projects for 3,000+ clients in 25+ countries, we deliver cloud & AI solutions across industries, driving innovation, agility & growth...

    Location
    Artesia, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $25/hr
    Portfolios Count
    24 Projects Listed
  • Custom Enterprise Software Development Company in USA

    Custom Software Development and IT Consulting Company...

    Location
    San Jose, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    6 Projects Listed
  • Reshaping Your Business Via Best-In-Class Services

    We architect growth engines for B2B companies scaling from $100K to $50M+. Most businesses leave 30-50% of their revenue on the table not because they lack good products or smart people, but because their growth systems can't scale with their ambitions...

    Location
    Mountain View, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $199/hr
    Minimal Budget
    $10,000 - $25,000
  • Performance Begins With Clarity

    Agency39A is a Los Angeles based digital transformation and UX consultancy founded in 2011. The boutique agency, with under 50 staff, offers an integrated combination of UX design, digital marketing, technology strategy, and fractional marketing teams. It primarily serves B2B SaaS, e-commerce, biotech, and...

    Location
    Los Angeles, California
    Number of Employees
    Under 49
  • We Build Technology for Brand Marketers and Agencies

    Oshyn partners with some of the world's best brands and creative agencies to create exceptional digital marketing solutions. By providing services, technology, and platforms, we enable creative talent to focus on what they do best: create amazing work...

    Location
    Cypress, California
    Number of Employees
    50 - 99
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    5 Projects Listed
  • Supercharge Your Growth With Multi-Agent Intelligence

    Goyim Design Strategies delivers premium websites, custom applications, and industry-specific SaaS platforms with full code ownership and sovereign decentralized hosting. Based in San Diego, we eliminate monthly fees and vendor lock-in with high-performing systems built for speed and independence...

    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $225/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    9 Projects Listed
  • We Design and Develop with Innovation

    Creasions, an digital advertising Dallas Agency, offers top-notch digital marketing strategies that will help your business stay ahead of the competition. Our digital marketing services are designed to increase your online visibility and help your website rank higher on search engines...

    Location
    Irvine, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $80/hr
    Portfolios Count
    8 Projects Listed
  • We Work After Dark So You Don't Have To!

    Since 1992, Web Development, SEO, App Development, eCommerce services for businesses large and small. Free 30 minute phone consultation. Discounts for Veteran Owned Businesses. Partner / Developer for Shopify, BigCommerce, WooCommerce, WIX and more. ADA Website and PCI Compliance Services...

    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $85/hr
    Minimal Budget
    $1,000 - $10,000
  • Healthcare AI, App & Software Development Company in San Diego, CA

    bitcot is an award-winning digital transformation company that leading organizations, healthcare providers, and health tech innovators trust for custom solutions in web, mobile, AI, and automation. AI-powered software that actually moves the needle...

    Location
    San Diego, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $30/hr
    Portfolios Count
    10 Projects Listed
  • Be Unmistakable.

    Inward Studio, rooted in the creative vibes of Los Angeles, specializes in transforming brands with a fusion of strategic insight and artistic flair. Founded in 2020, our globally remote team crafts custom digital solutions, from compelling brand identities to innovative web designs and targeted marketing...

    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    5 Projects Listed
  • Make Your Business Digital

    In todays dynamic environment, businesses are starting to make their presence online and going global to expand their business...

    Location
    California City, California
    Number of Employees
    Under 49
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
  • Leading AI-Powered Software Development Agency.

    Zignuts Technolab is a top-rated Web and On-demand Mobile App development company in the USA, Germany, and India. We strive to excel in the invention and development of the industry’s most advanced technologies. We will help you to make your digital dreams in on your hand...

    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Portfolios Count
    1 Project Listed
  • The best Next.js & Sanity agency

    Roboto Studio is a Next.js and Sanity agency in San Francisco. We build headless content platforms for companies that have outgrown their CMS, so marketing teams can publish without waiting on a developer. Recent work includes Tray.ai, Topaz Labs and Slingshot Bio...

    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $200/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    8 Projects Listed
  • We Tailor-Make Delightful Engaging Digital Experiences.

    Atomic Studio is a Pasadena, California-based digital creative agency founded in 2012. The firm specializes in crafting tailored web and mobile experiences spanning responsive development, e-commerce, brand identity, managed hosting, and digital strategywith a strong emphasis on polished design and user-first...

    Location
    Arcadia, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    6 Projects Listed
  • We Build Next-Gen Brands

    We are a Fremont, CA based web design and mobile application development company. You may look forward to us if your wish to convert your business into the Brand!!!!!!...

    Location
    Fremont, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
  • Products And Experiences Should Be Enjoyable

    Marker Seven designs and delivers production-ready connected systems and enterprise-grade digital platforms, helping teams take complex, device-backed and AI-enabled ideas from prototype to reliable, real-world solutions...

    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $175/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    3 Projects Listed
  • Building the Future, Code At A Time

    Ambsan Digital is a full stack company specializing in high-performance web and mobile app development. We transform ideas into scalable digital products, offering end-to-end services from UI/UX design and custom web platforms to native and cross-platform mobile applications. Our expert developers focus on...

    Location
    California City, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • Focused On Results That Actually Matter

    Codexelle is a website design and digital marketing agency based in London, New York, and Paris, distinguished by its expertise and ambition to drive the growth of the brands and businesses we collaborate with while shaking up their competitors...

    Location
    Los Angeles, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed
  • Custom Websites & Branding for Local Businesses

    MJM Designz is a versatile web developer and creative specialist based in Orange County, California. It offers a wide array of services, including web development, web design, graphic design, website optimization, SEO strategy, and drone services...

    Location
    Anaheim, California
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    5 Projects Listed
  • Creative Design Solutions for Entrepreneurs and Their Businesses

    Design Musketeer LLC is a full-service graphic design agency, providing a spectrum of services encompassing logo creation to website development. Distinguished by their emphasis on precision, punctuality, and cost-effectiveness, they are dedicated to delivering high-quality, customized design solutions that...

    Location
    Hayward, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $15/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    6 Projects Listed
  • Website That Capture Attention & Drive Results

    VegaOne Trusted name in the field of digital marketing in California, Los Angeles. our most strong working areas included SEO, social media marketing, Web design & development including WordPress, Shopify, Ecommerce, Magento and custom CMS based website...

    Location
    El Segundo, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $40/hr
    Minimal Budget
    Under $1,000
  • AI-First Engineering | Agentic AI | Product Engineering | Enterprise Software | Digital Transformati

    Appventurez is a global AI and digital transformation company specializing in custom software, mobile app, web, and enterprise application development. We build scalable technology solutions that help businesses innovate, automate, and grow...

    Location
    San Jose, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    8 Projects Listed
  • Web Design & Development Company Anchored in Los Angeles, CA

    We're a leading web design & development company in Los Angeles, CA – Specializing in UI/UX Design, Web Design, Product Design, & Web Development...

    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    4 Projects Listed
  • SD Web Co - Crafting sleek, SEO-driven websites that fuel your business in San Diego

    San Diego Web Design Company (SD Web Co) creates fast, responsive, and SEO-friendly websites for small businesses and startups. The company focuses on clean design, usability, and helping brands grow through better online visibility...

    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $135/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    3 Projects Listed
  • Website Design Engine Offers Effective Website Development Solutions!

    Proactive web development services to help you expand and deliver dependable mobile, custom software, and web solutions that promote digital success and creative innovation.!...

    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000
  • Focus on Care, We Handle the Growth.

    Merging creativity with strategic expertise, Search Business Group specializes in digital marketing for healthcare and dental SEO. Serving healthcare professionals since 1998, we empower practices to focus on care while we drive growth...

    Location
    Fullerton, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    5 Projects Listed
  • All Systems, Grow.

    SmartBug Media is a highly intelligent inbound marketing agency dedicated to assisting businesses in various aspects such as lead generation, increasing awareness, and fostering brand loyalty through effective inbound marketing strategies...

    Location
    Newport Beach, California
    Number of Employees
    50 - 99
    Portfolios Count
    5 Projects Listed

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