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

347 Companies - Rankings updated: August 19, 2026

DesignRush assesses agencies using expertise standards and verified client experiences to help you make better decisions. Certain agencies have paid placements.

United States × California ×
  • 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
  • Your Shortcut To Launching A Profitable, LA-Made Brand

    Plucky Reach is a premier fashion consultancy and manufacturing partner based in Los Angeles. We specialize in helping emerging brands navigate the journey from initial concept to market-ready collection. Having supported over 1,000 fashion startups, we focus on high-efficiency LA-based production, strategic...

    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $65/hr
    Minimal Budget
    $1,000 - $10,000
  • Cider Is the Leading Software Development Company in the San Francisco Bay Area.

    Cidersoft builds compelling apps and websites that will strengthen the success of your business...

    Location
    San Ramon, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $65/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • In Your Budget

    Affordable Web came into existence in the year 2007 with evolutionary measures taken into consideration for a consistent enhancement in its service-providing capabilities. Since then, Affordable Web has gradually grown into one of the best IT solutions in town with more margin for extending its clientele...

    Location
    San Jose, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $20/hr
    Minimal Budget
    Under $1,000
  • We Authentically Care & Deliver

    Want to boost your revenue? We create high-converting, future-proofed websites, apps, and brand assets...

    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $70/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    12 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
  • Software, Mobile App, Games Development Company.

    The App Founders is a recognized leader in the mobile app development industry that excels in building mobile apps to upscale your business and bolster your customer retention rate. Well transform your idea into a market-ready application on schedule and within budget...

    Location
    Santa Clara, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $70/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    16 Projects Listed
  • 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...

    Location
    Laguna Beach, California
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $25/hr
    Portfolios Count
    6 Projects Listed
  • Professional Internet Marketing & Design Company

    Marketing 1on1 is one of the best internet marketing companies with extensive digital marketing expertise that offers cutting-edge website marketing services to businesses of all sizes...

    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $60/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    4 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
  • Ranked #1 Software & App Development Company

    Vrinsoft is the most promising IT solution providing company, based in India which is a one-stop shop for all your business needs. We are a Microsoft certified IT company, which besides rendering professional and comprehensive business solutions also cater a range of services in mobile technologies...

    Location
    Los Angeles, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    16 Projects 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
  • Delivering High-Quality Mobile Apps at Quick Turnaround Time

    MyAppGurus is best Mobile App Development Company, offering App Development Services globally, Having dedicated and expert mobile app development team to design your app...

    Location
    Fremont, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed
  • Strength in Structure

    We believe in "Strength in Structure". Its embedded in everything we do. From strategy to marketing to development to design to optimizing MarTech, ATAK brings proven systems to help you achieve your goals...

    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $80/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    8 Projects Listed
  • E-Commerce Made Simple Growth Made Inevitable

    MAK E-Partners is a full-service ecommerce growth agency helping brands to launch, optimize and scale on Shopify and Amazon through expert account managment, storefront development, compliance and data-driven advertising...

    Location
    Irvine, California
    Number of Employees
    Under 49
    Minimal Budget
    Under $1,000
  • eCommerce Consulting & Services

    MakkPress Technologies is an eCommerce consulting and services firm specifically focused on helping D2C brands understand how to grow their brand successfully online...

    Location
    Aliso Viejo, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $30/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    8 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 Enhance Your Business.

    Techno Pulse empowers businesses to thrive in the digital age. From crafting user-friendly websites and apps to implementing strategic social media campaigns, their team of experts unlocks a company's online potential...

    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    4 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
  • Blending Creativity, Technology, and Strategy To Shape What Matters Most.

    Mattered is an award-winning digital marketing agency specializing in email & sms marketing, branding & design, development, and paid media. We are a people first agency, dedicated to putting our clients and their customers at the center of everything we do...

    Location
    Irvine, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    5 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
  • 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
  • Ripening Ideas Into Apps

    RipenApps Technologies is the leading mobile app development company which is headquartered in USA and successfully running in other locating countries including India, UAE, Germany...

    Location
    Ontario, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    21 Projects Listed
  • Propel Your Digital Marketing to New Heights

    Elevate your brand to new heights, surpassing competitors with our customized strategies, cutting-edge best-of-breed marketing techniques, and a relentless commitment to maximizing your return on investment...

    Location
    Santa Monica, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $145/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    4 Projects Listed
  • Revenue Rise

    Verified Verified by the DesignRush team for authenticity and credibility.

    Award-winning design. Systems that close deals.

    Revenue Rise builds award-winning websites and client acquisition systems for mortgage brokers and realtors across the US and Canada. 412+ clients. $863M+ in transactions influenced...

    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $97/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project 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
  • Tailored Supply Chain Solutions For High Compliance Industries

    ALOM is an award-winning, quality-driven global supply chain leader offering services from 19 locations on 5 continents...

    Location
    Fremont, California
    Number of Employees
    100 - 249
  • 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
  • Solutions-Led & Delivery-Focused Branded Commerce Solutions.

    SLTWTR, a California-based design+development firm, partners with lifestyle brands, delivering authenticity, dedication, continuous learning and efficiency...

    Location
    Santa Barbara, California
    Number of Employees
    Under 49
  • Website Design and Development Agency.

    EcombitHub is a Shopify development agency that specializes in providing custom solutions for e-commerce businesses. With expertise in custom theme development, app integrations, and performance optimization, help businesses create seamless, scalable online stores that drive growth and enhance customer...

    Location
    California City, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
  • Crafting Unified Commerce Solutions that Deliver

    RunDTC is a global digital commerce agency that helps direct-to-consumer (DTC), business-to-business (B2B) and enterprise brands modernize and scale their online operations through tailored eCommerce strategies, platform implementations, data-driven insights, and ongoing support. The agency specializes in...

    Location
    Dana Point, California
    Number of Employees
    Under 49
  • Building powerful eCommerce experiences

    Zobrist Software Group, Inc. is an enterprise-level digital commerce and eCommerce development agency that builds robust, mobile-first online storefronts and custom commerce solutions for high-revenue brands. The agency delivers services including headless eCommerce, B2B and B2C commerce platforms, cloud...

    Location
    Woodland, California
    Number of Employees
    Under 49
  • Transforming Ideas into Impactful Digital Solutions.

    Rivo Agency is a leading custom software development firm dedicated to delivering innovative web and mobile solutions. With a focus on industries like healthcare, e-commerce, and construction, our expert team harnesses the latest technologies to create secure, scalable applications that drive business...

    Location
    Citrus Heights, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed
  • Delivering Technology Solutions.

    Since its inception in 1999, Drish Infotech has been a pioneer in delivering cutting-edge technology solutions globally. Headquartered in Silicon Valley with an additional office in Saratoga, CA, and a proficient backend development team in Chandigarh, India, Drish has firmly established itself as a prominent...

    Location
    Saratoga, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    10 Projects Listed
  • Simplifying Amazon, Amplifying Your Brand

    Commerce Ink was built from inside the Amazon ecosystem. After managing large portfolios, we saw brands struggle with fragmented strategy, content, and operations. We created a full-service model where everything works together under one roof. As operators, we focus on helping brands turn Amazon from a...

    Location
    Irvine, California
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
  • Solve-Automate-Scale Leveraging Technology for your Business

    YES IT Labs is a top software development company delivering innovative, high-quality solutions tailored to client needs. Our expert team uses cutting-edge technology to turn ideas into reality. Services include custom software, mobile/web apps, IT consulting, and more...

    Location
    Laguna Beach, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project 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
  • California Digital Marketing Agency

    QunsTack - California Digital Marketing Agency is your Performance-Driven Partner for scaling brands online. Based in Sonoma, CA, we leverage over a decade of proven expertise in SEO, paid media, and custom web solutions to deliver bespoke strategies that consistently elevate visibility...

    Location
    Sonoma, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    4 Projects Listed
  • 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
  • Mobilize the Future, Faster

    LYQX is a dynamic mobile and website development agency based in Ukraine, driven by a passionate team of designers and developers with over five years of experience. Specializing in UX/UI design and software development, the agency brings creativity and expertise to every project, ensuring exceptional results...

    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    8 Projects Listed
  • Empowering Digital Success With Cutting-Edge Solutions and Proactive Excellence

    Webential is a top digital agency specializing in web development, digital marketing, and design services. With over a decade of experience, they offer SEO, PPC, custom web development, and e-commerce solutions...

    Location
    Foster City, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
  • Innovation Through Automation

    Blac Flag is a full-service creative, development, and growth partner for brands that need more than pretty pictures. We design and build high-performing sites, apps, and automations, then back them with SEO, email, and paid media that actually drive revenue...

    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    6 Projects Listed
  • Trusted Shopify Experts & Partners

    Founded in 2015, Ecommerce Pro has become one of the most trusted Shopify expert agencies worldwide, serving clients from all industries. With expertise in new launches, redesigns, and seamless migrations, we've successfully completed over 100+ projects globally...

    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000

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