Best California Enterprise Software Development Companies

415 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.

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  • QUARTE

    WE DESIGN. USERS LOVE. PRODUCTS SUCCEED

    WE DESIGN. USERS LOVE. PRODUCTS SUCCEED

    Founded in 2014, QUARTE is a digital product design agency passionate about designing around and for users. Our experienced product designers, business analysts, and strategists collaborate across diverse domains to deliver impactful, user-focused products...

    Top Services:

    • Product Design
    • UI/UX Design
    • Digital Strategy
    • Software Development
    • Web Design
    • Show more
    Location
    Carmichael, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
    View Profile
    5.0 5.0 (2)

  • SISGAIN Technologies

    Your Technology Partner

    Your Technology Partner

    SISGAIN Technologies is a leading software development company specializing in Remote Patient Monitoring (RPM) software, healthcare app development, and restaurant POS systems. With a focus on cutting-edge technology, SISGAIN delivers tailored digital solutions that drive growth and enhance user engagement...

    Top Services:

    • Web Development
    • Mobile App Development
    • Software Development
    • CRM Consulting
    • IT Services
    • Show more
    Location
    Ontario, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $15/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
    View Profile
    5.0 5.0 (4)

  • ByteBotix InfoTech LLP

    Your Business Cataylst

    Your Business Cataylst

    ByteBotix InfoTech LLP is the top service provider, We focus on Industrial and web intelligence, Web and Mobile Applications and IOT based products. Whether you are a small , medium or largescale company we have got covered you all. What makes us stand out is that we deliver secured, standard and cost...

    Top Services:

    • Software Development
    • Mobile App Development
    • Software Testing
    • Managed Services
    • UI/UX Design
    • Show more
    Location
    Vacaville, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
    View Profile

  • Rysysth Technologies

    Innovative Digital Solutions For A Smarter Future

    Innovative Digital Solutions For A Smarter Future

    Rysysth Technologies is a full-service IT solutions provider specializing in web development, digital transformation, and enterprise solutions. We help businesses scale with modern technologies, user-friendly designs, and performance-driven strategies. From custom websites to cloud-based platforms, our team...

    Top Services:

    • AI Development
    • Blockchain
    • Software Development
    • Mobile App Development
    • Show more
    Location
    Sacramento, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $10,000 - $25,000
    View Profile
    5.0 5.0 (1)

  • Opus Logica Inc.

    End-to-End Software Development Solutions

    End-to-End Software Development Solutions

    Opus Logica is a full-stack development partner that turns ideas into scalable products. Weve launched platforms in AI, blockchain, and consumer tech by blending strategy, usability, and growth-minded engineering. From early validation to global scale, our team builds with precision and foresight...

    Top Services:

    • Software Development
    Location
    Santa Barbara, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $180/hr
    Minimal Budget
    $10,000 - $25,000
    View Profile

  • imaga

    When UX & AI Both Matter

    When UX & AI Both Matter

    Our PORTFOLIO INCLUDES marketplaces, e-commerce, workflow automations, AI assistants, corporate websites, banking apps, data warehouse initiatives, and more...

    Top Services:

    • AI Development
    • Web Development
    • eCommerce Development
    • Software Development
    • Web Design
    • Show more
    Location
    San Mateo, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $37/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    4 Projects Listed
    View Profile

  • Zypsy

    A design and investment firm for founders.

    A design and investment firm for founders.

    Zypsy is a design and investment firm for founders. We design, build, and engineer the brand, product, and websites that exceptional teams use to earn trust from customers, investors, and talent. We invest in the founders we believe in...

    Top Services:

    • Branding
    • Product Design
    • Web Design
    • UI/UX Design
    • Web Development
    • Show more
    Location
    Covina, California
    Number of Employees
    Under 49
    Portfolios Count
    2 Projects Listed
    View Profile
    5.0 5.0 (7)

  • Lukasa

    Lukasa is a next-gen consulting partner helping organizations transform through data modernization,

    Lukasa is a next-gen consulting partner helping organizations transform through data modernization,

    Custom Software that Actually Works the Way You Do...

    Top Services:

    • Business Consulting
    • Software Development
    • AI Development
    • VR/AR
    • ERP Consulting
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
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  • Czezar Design & Development

    Creating Digital Excellence

    Creating Digital Excellence

    Czezar Design & Development specializes in custom software, web applications, and digital design. Led by developer and designer Csongor Czezar, the studio blends technology and creativity to build modern, fast, and visually stunning solutions. From React and TypeScript development to branding, UX/UI, and...

    Top Services:

    • Software Development
    • Web Development
    • Web Design
    • Creative Services
    • Branding
    • Show more
    Location
    Rohnert Park, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    Under $1,000
    View Profile

  • CateNET Solutions

    Powering The Future Of Digital

    Powering The Future Of Digital

    CateNET Solutions is a Los Angeles based digital agency delivering high-performance web, mobile, and cloud solutions for modern businesses. We specialize in building secure, scalable systems with sleek UI and flawless UX. From custom development to branding and SEO, we turn your ideas into reliable...

    Top Services:

    • Web Development
    • Mobile App Development
    • Software Development
    • AI Development
    • Branding
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $65/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
    View Profile

  • MHX Digital Media, LLC

    Games. Animation. Immersive.

    Games. Animation. Immersive.

    MHX Digital Media is a fully remote, full-service creative technology studio specializing in video games, immersive experiences, and animation for film, TV, and digital media...

    Top Services:

    • VR/AR
    • Video Production
    • Software Development
    Location
    Sacramento, California
    Number of Employees
    Under 49
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  • Allusive Digital

    Proven Excellence Through Custom Web Design and Development Services.

    Proven Excellence Through Custom Web Design and Development Services.

    Allusive Digital is a creative and marketing agency that helps businesses grow through branding, web design, content development, and digital marketing. The agency blends thoughtful strategy with polished creative execution to help clients increase visibility, strengthen their identity, and connect with their...

    Top Services:

    • Web Development
    • eCommerce Development
    • Web Design
    • WordPress Website Design
    • AI Development
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    View Profile
    5.0 5.0 (5)

  • Roboto Studio

    The best Next.js & Sanity agency

    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...

    Top Services:

    • Web Development
    • Web Design
    • UI/UX Design
    • eCommerce Development
    • AI Development
    • Show more
    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
    View Profile

  • Naxtech

    Honest, Practical, & Focused On Results

    Honest, Practical, & Focused On Results

    Founded in 2005 in Reading (UK) Naxtech is a Digital Agency focusing on helping businesses grow, increase profitability, while attracting new customers via the effective use of technology and digital marketing...

    Top Services:

    • Web Development
    • Digital Marketing
    • Mobile App Development
    • SEO
    • Content Marketing
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    3 Projects Listed
    View Profile

  • WebVello

    Design. Develop. Dominate.

    Design. Develop. Dominate.

    A modern digital studio building high-performance websites, SEO systems, and growth platforms for brands that want real results not just visuals...

    Top Services:

    • SEO
    • Web Design
    • Email Marketing
    • Mobile App Development
    • Digital Marketing
    • Show more
    Location
    Roseville, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $55/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    5.0 5.0 (14)

  • Marker Seven

    Products And Experiences Should Be Enjoyable

    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...

    Top Services:

    • Product Design
    • Software Development
    • UI/UX Design
    • Digital Strategy
    • Show more
    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
    View Profile
    5.0 5.0 (1)

  • Paradigm Solutions

    AI-native Engineering. Enterprise-grade Results

    AI-native Engineering. Enterprise-grade Results

    Paradigm provides custom low-code software solutions. Our commitment is to empower organizations with the tools they need to streamline processes, automate tasks, and scale operations efficiently. Through a fusion of expert development and a deep understanding of our clients' unique challenges, we aim to be...

    Top Services:

    • Web Development
    • Mobile App Development
    • Software Development
    • AI Development
    • Show more
    Location
    Temecula, California
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
    View Profile
    5.0 5.0 (1)

  • IntuitionLabs

    Transforming Life Sciences With AI

    Transforming Life Sciences With AI

    IntuitionLabs is a premier Silicon Valley technology firm specializing in AI software for the pharmaceutical and life sciences industries. We bridge the gap between cutting-edge Generative AI and strict regulatory requirements like FDA 21 CFR Part 11 and GxP...

    Top Services:

    • AI Development
    • Software Development
    Location
    San Jose, California
    Number of Employees
    Under 49
    View Profile
    5.0 5.0 (1)

  • Migrate Cloud Data

    Seamless Cloud Migration With Secure Data Solutions

    Seamless Cloud Migration With Secure Data Solutions

    MigrateCloudData provides reliable software solutions designed to simplify cloud data management, email migration, backup, and file conversion. The platform offers a wide range of user-friendly tools that help individuals and organizations securely transfer, recover, and manage data across different email...

    Top Services:

    • Cloud Consulting
    • Software Development
    Location
    California City, California
    Number of Employees
    Under 49
    View Profile

  • Nexlifa

    We Believe In Quality Over Quantity

    We Believe In Quality Over Quantity

    Nexlifa is an AI automation and workflow solutions company that helps businesses improve efficiency through custom software, AI integration, process automation, and website development. The company focuses primarily on service-based businesses, building tailored systems that eliminate repetitive work, connect...

    Top Services:

    • Web Design
    • Web Development
    • AI Development
    • Software Development
    • Show more
    Location
    California City, California
    Number of Employees
    Under 49
    Minimal Budget
    Under $1,000
    View Profile

  • Bay Area Coders

    Strategy, design, engineering, and AI

    Strategy, design, engineering, and AI

    Bay Area Coders is a San Francisco-based product and engineering studio working with venture-backed startups and growth-stage companies since 2016. We combine strategy, design, engineering, and AI to help teams ship real products and modernize existing ones...

    Top Services:

    • Software Development
    • Web Development
    • Mobile App Development
    • AI Development
    • Design Services
    • Show more
    Location
    Roseville, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile

  • LaCleo Inc

    AI Agents That Grow Business

    AI Agents That Grow Business

    AI agents that scale your business developed and operated by LaCleo. LaCleo was established to ensure that scaling businesses get enterprise-grade marketing all at an affordable cost and without having to hire anyone...

    Top Services:

    • Software Development
    • Blockchain
    • eCommerce Development
    • Web Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $10/hr
    View Profile

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