Best California eCommerce App Development Companies

75 Companies - Rankings updated: September 04, 2026

Each agency undergoes DesignRush evaluation for professional expertise and genuine client satisfaction to assist your search. Some featured placements are paid.

Expertise
eCommerce
$10,000 - $25,000
Sort by: Sponsored
United States × California × eCommerce App Development × $10,000 - $25,000 × Clear Filters

  • Dr Developers

    Changing the Future Helping You Evolve

    Dr Developers is a full-service web design and development agency specializing in prototyping, strategy, and full stack development. We have undertaken terrific projects for industries such as e-commerce, healthcare, education, banking and finance, marketing, publishing and communications...

    Top Services:

    • Web Design
    • Web Development
    • eCommerce Development
    • Social Media Marketing
    • Mobile App Development
    • Show more
    Location
    Sacramento, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    2 Projects Listed
    Visit Website View Profile

  • Greensighter

    Custom software development firm

    Greensighter is a full-cycle software development studio. We build custom software, AI agents, and MVPs...

    Top Services:

    • Mobile App Development
    • Software Development
    • AI Development
    • Wearables
    • IT Services
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    2 Projects Listed
    Visit Website View Profile

  • Nova Era Agency

    Building the new era of digital growth

    Nova Era is a digital solutions agency built to merge creativity with innovation, offering web and app design, development, video production, automation, and customized AI tools. The focus is always on building smarter systems that help businesses work seamlessly and communicate with impact. What defines the...

    Top Services:

    • Web Design
    • Web Development
    • eCommerce Development
    • UI/UX Design
    • Mobile App Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    2 Projects Listed
    Visit Website View Profile
    5.0 5.0 (19)

  • The Component Studio

    A boutique web application and website development studio crafting exceptional online experiences.

    Ready to bring your idea to life? We'll help plan and develop your next full-featured, data-driven web application. With our expertise in React, Next.js, Vue, and TypeScript, we deliver modern solutions that scale...

    Top Services:

    • Mobile App Development
    • Software Development
    • Staff Augmentation
    Location
    San Rafael, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $115/hr
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile

  • Appinventors Inc

    Digital Transformation Agency.

    Appinventors stands as a prominent Digital Transformation Agency, enabling businesses to prosper within the contemporary digital landscape. At Appinventors, we pride ourselves on delivering exceptional customer support and assistance. Whether you're facing technical challenges or seeking guidance on your...

    Top Services:

    • IoT
    • Mobile App Development
    • Digital Services
    • UI/UX Design
    • Software Development
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile

  • CloudGeometry

    From Business Intent To Production-Ready Change

    CloudGeometry is a Silicon Valley engineering firm that builds and runs cloud-native platforms, data pipelines, and AI systems for SaaS and enterprise teams. Its AI-MSL offering pairs an AI-driven delivery platform with a managed service: AI agents carry build and maintenance work across the software...

    Top Services:

    • AI Development
    • Managed Services
    • Software Development
    • Mobile App Development
    • Cloud Consulting
    • Show more
    Location
    Sunnyvale, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile
    5.0 5.0 (2)

  • MSP Mobility Corp.

    Driven Companies Towards Their Digital Transformation

    We are a company specialized in software development for mobile platforms, portals and electronic commerce since 1991...

    Top Services:

    • eCommerce Development
    • Web Development
    • WordPress Website Design
    • Software Development
    • Mobile App Development
    • Show more
    Location
    Concord, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $24/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed
    Visit Website View Profile

  • Web Experio

    Not Your Typical Design Agency

    We’re a US-based creative digital agency, focusing on connecting customers with companies through ground-breaking digital marketing and web-based solutions with an exceptional reputation for delivering quality products...

    Top Services:

    • WordPress Website Design
    • Web Development
    • eCommerce Development
    • Mobile App Development
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile

  • Capitol Tech Solutions

    Capitol Tech Solutions Is a Leading Digital Agency.

    Capitol Tech Solutions is a leading digital agency providing a full range of marketing , development, and IT services that help companies' top and bottom lines...

    Top Services:

    • Web Development
    • Digital Marketing
    • Web Design
    • Advertising
    • UI/UX Design
    • Show more
    Location
    Sacramento, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $145/hr
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile
    4.7 4.7 (24)

  • BRANDOWNIT

    Advance Your OWN Agenda

    The rate at which you learn vs. your devices differs in technologies favor. What are you going to do to bridge the difference?...

    Top Services:

    • Web Design
    • WordPress Website Design
    • Web Development
    • UI/UX Design
    • SEO
    • Show more
    Location
    Cerritos, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $101/hr
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile

  • King Tide

    A company specializing in design and development

    King Tide is a design and development firm based in Los Angeles, CA. Our team is focused on delivering innovative solutions for brands and consumers. We have a passion for branding, design, technology, and impacting customer experiences through real-world brand and product development...

    Top Services:

    • Mobile App Development
    • Web Design
    • Software Development
    • Web Development
    • Show more
    Location
    West Hollywood, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile

  • Attractor Software

    Developing and integrating eCommerce apps

    Since 2012, Attractor Software LLC has offered Custom Software Development as an outsourcing service for projects of varying complexity and size...

    Top Services:

    • CRM Consulting
    • Mobile App Development
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile
    4.6 4.6 (8)

  • NOVVUM

    Specializing in React, Javascript and more!

    Novvum is a software design and development studio that specializes in solving complex technical and creative challenges. We are a team of computer scientists, full-stack web developers, UX/UI designers, and senior project managers who are dedicated to delivering high-quality software applications and...

    Top Services:

    • SEO
    • Web Development
    • Email Marketing
    • Digital Marketing
    • UI/UX Design
    • Show more
    Location
    Irvine, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile

  • Agilistry

    Efficient Solutions for a Better Business

    Agilistry is a leading software development company that utilizes the latest development methodologies, tech and industry best practices to deliver world-class mobile applications with embedded quality and DevOps infrastructure on time and within budget...

    Top Services:

    • Mobile App Development
    • VR/AR
    Location
    Los Angeles, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile

  • SMV EXPERTS LLC

    Crafting Online Success Stories, One Pixel At A Time

    We take great pride in our work, showcasing resourcefulness and a keen ability to address nuanced challenges. We adeptly tackle issues as they arise, continuously refining our systems to optimize outcomes for our esteemed clients. With extensive experience in remote work environments, we have forged an...

    Top Services:

    • Web Development
    • Mobile App Development
    Location
    San Marcos, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $70/hr
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile

  • Beehive Software

    Reimagining Software Development

    Beehive is a new production model for software development (the world's first we should add) that fuses AI precision with human ingenuity. A model of collective intelligence that breaks projects into microtasks, routing them to global experts, and delivering production-ready, high quality, code faster than...

    Top Services:

    • Web Development
    • Software Development
    • AI Development
    • Mobile App Development
    • IoT
    • Show more
    Location
    San Jose, California
    Number of Employees
    100 - 249
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile
    5.0 5.0 (4)

  • DigiTec Studio

    Top Digital Marketing Agency In USA

    DigiTec Studio Top digital marketing agency in USA offering SEO, web design, branding, and results-driven solutions. See how we can help your business grow...

    Top Services:

    • Creative Services
    • SEO
    • Digital Marketing
    • Content Marketing
    • Logo Design
    • Show more
    Location
    Glendale, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile
    5.0 5.0 (1)

  • ITColark Consulting

    Building Smart Enterprise Solutions For Growing Businesses.

    ITColark Consulting delivers customized enterprise software and IT solutions that help businesses streamline operations, scale efficiently, and achieve digital growth...

    Top Services:

    • Mobile App Development
    • DevOps Consulting
    • IT Services
    • eCommerce Development
    • AI Development
    • Show more
    Location
    California City, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $11/hr
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile

  • Prime Web Coders

    Grow Your Business Online

    Prime Web Coders is a digital solutions agency specializing in web design, development, digital marketing, and business growth services. The company helps businesses build strong online presences through custom websites, e-commerce platforms, mobile applications, and performance-driven marketing strategies...

    Top Services:

    • Web Design
    • Web Development
    • Digital Marketing
    • WordPress Website Design
    • Video Production
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile

  • InfoSwift Corp

    Leading Software Development Company

    InfoSwift Corp is a technology consulting and software development company with over 15 years of experience serving clients across the United States. The company specializes in next-generation technologies, data solutions, artificial intelligence, and enterprise software development...

    Top Services:

    • Web Design
    • UI/UX Design
    • eCommerce Development
    • WordPress Website Design
    • Web Development
    • Show more
    Location
    Irvine, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile

  • Appther

    Transforms Digital Idea Into Reality

    Appther is a software and mobile app development company creating intelligent, scalable, and user-friendly digital solutions powered by innovation and AI...

    Top Services:

    • Mobile App Development
    • Software Development
    • AI Development
    • Design Services
    • Product Design
    • Show more
    Location
    Signal Hill, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $22/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    2 Projects Listed
    Visit Website View Profile
    4.7 4.7 (23)

  • TechnoBrains Business Solutions

    Empowering Businesses Through Innovative Software Development

    TechnoBrains Business Solutions is a global software development and AI solutions company founded in 2009, delivering custom web, mobile, AI, and enterprise software solutions for startups, SMEs, and established enterprises worldwide. Headquartered in Ahmedabad, India, with a presence in the United States...

    Top Services:

    • AI Development
    • Mobile App Development
    • Software Development
    • eCommerce Development
    • Web Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile
    4.8 4.8 (26)

  • NextOlive

    Grow with Technology.

    We have a Team of 100+ Skilled App Developers who thrive on rolling up their sleeves and solving your IT problems and meeting your business needs like APP Development, Software Development, Cloud Consulting, Generative AI Development, Cyber Security Services, Custom ERP Software Development, and Web...

    Top Services:

    • AI Development
    • Mobile App Development
    • Software Development
    • Blockchain
    • Software Testing
    • Show more
    Location
    Irvine, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile

  • H.R Software Solutions Pvt. Ltd.

    Innovate, Code, Elevate Transforming Ideas into Reality.

    H.R. Software Solutions Pvt. Ltd. is a leading IT company offering cutting-edge software development, web solutions, and digital marketing services. We specialize in ERP, CRM, mobile app development, and AI-driven solutions for businesses of all sizes. With a customer-centric approach, we deliver innovative...

    Top Services:

    • Software Development
    • Web Development
    • Digital Marketing
    • Mobile App Development
    • Show more
    Location
    Ontario, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile

  • TechMave Software

    You Think We Will Deliver

    TechMave Software LLP delivers innovative web, mobile, and AI solutions tailored to business needs. Our team combines creativity, technology, and strategy to build impactful digital products that empower brands globally...

    Top Services:

    • Design Services
    • eCommerce Development
    • Web Development
    • AI Development
    • Mobile App Development
    • Show more
    Location
    Mountain View, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $11/hr
    Minimal Budget
    $10,000 - $25,000
    Visit Website View Profile
    5.0 5.0 (30)

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