Best SaaS Development Companies in California

152 Companies - Rankings updated: August 20, 2026

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

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  • Zazz

    Modern IT. Built Secure. Delivered Right.

    Modern IT. Built Secure. Delivered Right.

    Zazz builds custom enterprise software using Node.js, .NET, Java, and Python, with SOC 2, ISO 27001, and HIPAA compliance. The software development agency serves the Government of Ontario platform and global financial services firms. Best fit for enterprises needing security-first software development...

    Top Services:

    • Mobile App Development
    • IT Services
    • Software Development
    • Staff Augmentation
    • IT Compliance Solution
    • Show more
    Location
    San Francisco, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $45/hr
    Portfolios Count
    36 Projects Listed
    View Profile
    5.0 5.0 (76)

  • A3Logics

    Empower Your Business With Future Ready IT Solutions

    Empower Your Business With Future Ready IT Solutions

    A3Logics is a premier IT solutions development company specializing in cutting-edge technologies like Artificial Intelligence (AI), Blockchain, and the Internet of Things (IoT). We leverage innovative technologies to create solutions that are not only secure & compliant but also scalable & impactful...

    Top Services:

    • Mobile App Development
    • Software Development
    • Big Data Analytics
    • Blockchain
    • AI Development
    • Show more
    Location
    Carlsbad, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    13 Projects Listed
    View Profile
    4.9 4.9 (28)
    4.9 4.9 (7)

  • TekRevol

    Your Vision. Our Expertise. Shaping the Future!

    Your Vision. Our Expertise. Shaping the Future!

    TekRevol is a globally recognized digital innovation company with 10 years of experience delivering high-impact mobile applications, AI-powered software, and scalable digital products. Every engagement begins with a clear roadmap, defined KPIs, and a commitment to measurable business outcomes...

    Top Services:

    • Mobile App Development
    • Web Development
    • AI Development
    • Staff Augmentation
    • Digital Marketing
    • Show more
    Location
    San Francisco, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    46 Projects Listed
    View Profile
    4.7 4.7 (10)
    4.6 4.6 (30)

  • EffectiveSoft

    FUELING DISRUPTION

    FUELING DISRUPTION

    EffectiveSoft is an AI-enabled product engineering company focused on digital products and enterprise systems. We combine software engineering, UX expertise, and AI capabilities to help companies build products that can adapt to changing requirements, integrations, and growth...

    Top Services:

    • Software Development
    • Mobile App Development
    • Big Data Analytics
    • AI Development
    • ERP Consulting
    • Show more
    Location
    San Diego, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    29 Projects Listed
    View Profile
    4.8 4.8 (9)

  • Infinum

    Solving complex problems with design and technology since 2005.

    Solving complex problems with design and technology since 2005.

    We create digital products that streamline operations, grow your audience, and boost business success. Partnering with visionary brands, we transform ideas into impactful solutions using innovative design and technology. Discover how our Software Development expertise can elevate your next project...

    Top Services:

    • Web Development
    • Web Design
    • Mobile App Development
    • UI/UX Design
    • Software Development
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    250 - 499
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    24 Projects Listed
    View Profile
    4.8 4.8 (9)
    4.8 4.8 (73)

  • Right Tail

    Product Teams On Demand

    Product Teams On Demand

    Right Tail provides a high-performance Product Software Development and IT Staff Augmentation team built for speed, precision, and outcomes. We partner with startups, scale-ups, and enterprise technology companies to design, build, and scale world-class digital products...

    Top Services:

    • Staff Augmentation
    • Software Development
    • Mobile App Development
    • AI Development
    • Blockchain
    • Show more
    Location
    San Francisco, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    14 Projects Listed
    View Profile
    4.8 4.8 (6)

  • JetRuby

    AI-Enabled Сustom Software Development

    AI-Enabled Сustom Software Development

    We're JetRuby — AI-native, award-winning, and ISO-certified agency that's been shipping software since 2010. Our 250+ engineers turn bold ideas into production-ready products, starting from budgets of $50,000 and scaling all the way to enterprise roll-outs...

    Top Services:

    • Web Development
    • Software Development
    • Mobile App Development
    • Web Design
    • AI Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    33 Projects Listed
    View Profile
    4.5 4.5 (2)

  • ITRex Group

    Your Innovation Partner

    Your Innovation Partner

    ITRex delivers end-to-end AI and data solutions from strategic planning to real-world deployment. The companys expertise spans LLM integration, RAG, copilots, SLMs, and autonomous AI agents, all engineered for reliability and scale...

    Top Services:

    • Software Development
    • Mobile App Development
    • Software Testing
    • AI Development
    • IoT
    • Show more
    Location
    Aliso Viejo, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    5 Projects Listed
    View Profile
    4.5 4.5 (2)
    4.9 4.9 (14)

  • Litslink

    Verified Verified by the DesignRush team for authenticity and credibility.
    We Are Solving the Most Difficult Technology Challenges of Digital Transformation for Companies.

    We Are Solving the Most Difficult Technology Challenges of Digital Transformation for Companies.

    Our fields of expertise: software development, mobile app development, web development, virtual reality development, app development, app modernization and optimization services, DevOps consulting services, software testing...

    Top Services:

    • Software Development
    • Mobile App Development
    • IoT
    • AI Development
    • VR/AR
    • Show more
    Location
    Palo Alto, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    3 Projects Listed
    View Profile
    5.0 5.0 (14)

  • GetDevDone

    Engineering partner for digital agencies

    Engineering partner for digital agencies

    GetDevDone is the engineering partner for digital agencies...

    Top Services:

    • Web Development
    • Web Design
    • WordPress Website Design
    • eCommerce Development
    • Mobile App Development
    • Show more
    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
    View Profile

  • Code Brew Labs - Dubai

    Top AI & Mobile App Development Company in Dubai

    Top AI & Mobile App Development Company in Dubai

    Code Brew Labs is a leading AI and mobile app company in Dubai. Our highly trained developers make the best out of your ideas to build a brand of great heights...

    Top Services:

    • AI Development
    • Web Design
    • Web Development
    • Blockchain
    • Mobile App Development
    • Show more
    Location
    San Diego, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    5 Projects Listed
    View Profile

  • Argusoft

    Your Extended Engineering Team

    Your Extended Engineering Team

    Argusoft is a trusted software solutions design consultancy that provides end-to-end, enterprise-class turnkey solutions. Our team of Argonauts are trained to think design at every step, architecting, designing, and coding with the business goals and objectives of our clients in mind...

    Top Services:

    • Staff Augmentation
    • Software Development
    • IT Services
    • Mobile App Development
    • UI/UX Design
    • Show more
    Location
    Newark, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $25,000 - $50,000
    View Profile

  • Bluelight

    Empower Your Business With Custom Software, AI, & Nearshore Talent Solutions

    Empower Your Business With Custom Software, AI, & Nearshore Talent Solutions

    Bluelight is a U.S.-headquartered nearshore software development consultancy. Bluelight provides top-tier IT talent from Latin America (and onshore) who are fluent in English, work U.S. business hours, and serve as a cost-effective alternative to U.S.-based hires...

    Top Services:

    • Software Development
    • Software Testing
    • AI Development
    • Mobile App Development
    • Staff Augmentation
    • Show more
    Location
    Sacramento, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
    View Profile
    5.0 5.0 (7)

  • Talentica Software

    Verified Verified by the DesignRush team for authenticity and credibility.
    Building Products AI-Native Way

    Building Products AI-Native Way

    Talentica offers product engineering, with a playbook-driven approach refined across more than 200 products over 22 years. Its 200+ GenAI-certified developers deployed AI features in 60% of products. Recommended for startups and SaaS companies needing MVP development, AI integration, or product scaling...

    Top Services:

    • Software Development
    • AI Development
    • IT Services
    • Big Data Analytics
    • Blockchain
    • Show more
    Location
    Pleasanton, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    7 Projects Listed
    View Profile
    4.9 4.9 (27)
    4.4 4.4 (244)

  • Yalantis

    Verified Verified by the DesignRush team for authenticity and credibility.
    Full-Cycle IoT and Software Development company

    Full-Cycle IoT and Software Development company

    We deliver cutting-edge, scalable, and fully functional IoT hardware and software products and ecosystems that help clients achieve their specific objectives...

    Top Services:

    • IoT
    • Software Development
    • Mobile App Development
    • AI Development
    • Big Data Analytics
    • Show more
    Location
    California City, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    24 Projects Listed
    View Profile
    4.6 4.6 (3)

  • GeekyAnts

    AI Digital Product Engineering & Consulting Firm

    AI Digital Product Engineering & Consulting Firm

    GeekyAnts is a global GeekyAnts is an AI-powered digital product engineering and consulting specializing in AI Consulting, Product Engineering, Enterprise Modernization, Digital CX, With 15+ years of experience, weve served 550+ clients like Google, SKF, WeWork, and ICICI, delivering 800+ projects...

    Top Services:

    • Mobile App Development
    • Web Development
    • Web Design
    • eCommerce Development
    • UI/UX Design
    • Show more
    Location
    San Francisco, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    36 Projects Listed
    View Profile
    4.3 4.3 (1)
    4.3 4.3 (294)

  • AQe Digital

    GO-TO Digital Transformation Partner

    GO-TO Digital Transformation Partner

    AQe Digital specializes in enterprise software engineering and digital transformation. With 25+ years of experience, we deliver custom development, cloud-native ERP, AI/ML, RPA, IoT, UX/UI, and integrations that modernize systems and streamline operations...

    Top Services:

    • Software Development
    • Mobile App Development
    • Branding
    • Product Design
    • AI Development
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
    View Profile
    4.3 4.3 (1)

  • Capital Numbers

    AI-enabled Software Development

    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...

    Top Services:

    • Web Development
    • Software Development
    • Mobile App Development
    • AI Development
    • Software Testing
    • Show more
    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
    View Profile

  • Radixweb

    Your Software Development Partner Where AI Innovation Meets Engineering Excellence

    Your Software Development Partner Where AI Innovation Meets Engineering Excellence

    We help clients achieve transformative growth through Software Development tailored to their unique needs. Our unparalleled skills in custom solutions, SaaS, cloud consulting, and AI-powered capabilities consistently deliver impressive results that drive business success and innovation...

    Top Services:

    • Software Development
    • Web Development
    • eCommerce Development
    • Mobile App Development
    • IT Services
    • Show more
    Location
    Artesia, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $25/hr
    Portfolios Count
    24 Projects Listed
    View Profile
    4.2 4.2 (385)

  • Savvycom

    Your AI-Driven Software Development Partner

    Your AI-Driven Software Development Partner

    Savvycom is an AI-driven software development and IT consulting company founded in 2009, helping enterprises design, build, and modernize digital systems that deliver measurable business outcomes. Recognized as one of Vietnams Top 10 Digital Technology Companies, Savvycom partners with organizations...

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Development
    • IT Services
    • AI Development
    • Show more
    Location
    Laguna Beach, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    9 Projects Listed
    View Profile
    4.7 4.7 (29)

  • Luvina Software

    Precision Discipline Delivery

    Precision Discipline Delivery

    Luvina is a well-known software outsourcing business that specializes in providing clients all around the world with excellent IT solutions. With a dedicated team of more than 750 experts, Luvina provides comprehensive software development services that are customized to each client's specific needs. Luvina...

    Top Services:

    • ERP Consulting
    • CRM Consulting
    • Software Development
    • eCommerce Development
    • Staff Augmentation
    • Show more
    Location
    San Jose, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $25/hr
    View Profile
    4.7 4.7 (61)

  • Top Remotely

    Top 1% Tech Talent with 1500+ In-house Developers

    Top 1% Tech Talent with 1500+ In-house Developers

    We don't just build software at Top Remotely we create solutions that work, scale, and impress. With a powerhouse team of 150+ in-house developers, we turn complex challenges into seamless digital experiences. Whether you need custom software, enterprise platforms, or next-gen IT solutions, we bring the Top...

    Top Services:

    • Mobile App Development
    • Software Development
    • DevOps Consulting
    • IT Services
    • Web Development
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $10,000 - $25,000
    View Profile

  • TechMatter

    Health Tech and Managed IT Services Company

    Health Tech and Managed IT Services Company

    TechMatter is a leading global provider of technology and healthcare solutions headquartered in Glendale, California. The company specializes in enterprise software development, automation, and revenue cycle management, empowering organizations to streamline operations and achieve sustainable growth. With a...

    Top Services:

    • Digital Services
    • Design Services
    • UI/UX Design
    • Web Development
    • Affiliate Marketing
    • Show more
    Location
    Glendale, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $100/hr
    View Profile
    4.5 4.5 (40)

  • Star

    (Re)imagine. Build. Scale.

    (Re)imagine. Build. Scale.

    Star is a global technology consultancy that helps enterprises bridge strategy and execution through deep industry expertise and an AI-native delivery engine to design, build and scale digital solutions with lasting business value and end-user impact...

    Top Services:

    • AI Development
    • Software Development
    • Digital Strategy
    Location
    Sunnyvale, California
    Number of Employees
    500 - 999
    View Profile
    4.7 4.7 (3)

  • Vention

    Verified Verified by the DesignRush team for authenticity and credibility.
    Engineering peace of mind

    Engineering peace of mind

    Vention builds custom software across fintech, healthtech, and eCommerce, for clients like ClassPass, Mount Sinai, and Slice. Its ISO 27001-certified team serves 30+ industries and over 500 clients. With 20+ years of experience, the software development firm is best for businesses needing scalable...

    Top Services:

    • Software Development
    • Staff Augmentation
    • Mobile App Development
    • Software Testing
    • Web Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    15 Projects Listed
    View Profile
    4.6 4.6 (6)
    4.9 4.9 (19)

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