Best SaaS Development Companies in California

155 Companies - Rankings updated: September 04, 2026

We evaluate every agency on DesignRush according to expertise credentials and client satisfaction ratings. Some placements are sponsored.

SaaS Development
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United States × California × SaaS Development × Sort by: Number of Reviews × Clear Filters

  • 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)

  • Master Of Code Global

    Business Vision Meets Technology Mastery

    Business Vision Meets Technology Mastery

    With 1000+ successfully delivered projects for clients such as Go plc, Amika, Tom Ford, Burberry, Boost.ai, GTO Lab, Dr. Oetker, Aveda, T-Mobile, and La Mer, Master of Code Global stands among the leading AI development companies with a strong product mindset...

    Top Services:

    • AI Development
    • Software Development
    • Web Development
    • Mobile App Development
    • Staff Augmentation
    • Show more
    Location
    Redwood City, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $25,000 - $50,000
    View Profile
    4.5 4.5 (2)
    4.0 4.0 (4)

  • CodeStringers

    Zoho consulting, development and integration services for operationally complex organizations.

    Zoho consulting, development and integration services for operationally complex organizations.

    CodeStringers helps growth-stage and small-to-mid-market companies implement, integrate, and operate Zoho-centered digital enablement solutions by combining senior executive consulting, cost-effective delivery teams, and custom software capabilities when needed...

    Top Services:

    • Software Development
    • AI Development
    • Web Development
    • CRM Consulting
    • ERP Consulting
    • Show more
    Location
    Santa Cruz, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $55/hr
    Minimal Budget
    $50,000 & Up
    View Profile
    4.4 4.4 (2)

  • Flyaps

    Verified Verified by the DesignRush team for authenticity and credibility. Award Winner Recipient of a Best Design Award for outstanding work.
    AI & Cloud Software Engineering

    AI & Cloud Software Engineering

    Flyaps builds AI, data, and cloud-native software, with clients including Airbyte, which scaled to unicorn status with its help. Its software development team covers MLOps, DevOps, and legacy modernization. Best fit for US tech companies needing cost-effective AI and data engineering expertise...

    Top Services:

    • Software Development
    • AI Development
    • IT Services
    • DevOps Consulting
    • Cloud Consulting
    • Show more
    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    9 Projects Listed
    View Profile
    4.4 4.4 (2)
    5.0 5.0 (9)

  • GlobalNodes AI

    Supercharge your roadmap with custom AI solutions

    Supercharge your roadmap with custom AI solutions

    We specialize in AI-driven product development for regulated industries like healthcare, fintech, biotech, and cybersecurity. Our AI-first approach ensures precision, security, and compliance with standards like HIPAA and GDPR. With a global team, we deliver scalable, data-driven solutions that continuously...

    Top Services:

    • UI/UX Design
    • IoT
    • AI Development
    • Cloud Consulting
    • DevOps Consulting
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    4 Projects Listed
    View Profile
    4.5 4.5 (2)

  • DigiNeat Smart Technologies

    Award Winner Recipient of a Best Design Award for outstanding work.
    Innovating Your Digital Future

    Innovating Your Digital Future

    DigiNeat is a team of professionals who create stunning designs and integrate cutting-edge technologies to increase sales. We help businesses stand out in the online space and attract customers with unique solutions that combine creativity and efficiency...

    Top Services:

    • Web Development
    • Mobile App Development
    • Software Development
    Location
    Los Angeles, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    2 Projects Listed
    View Profile
    4.5 4.5 (2)
    5.0 5.0 (2)

  • Logicspice

    Empowering Startups & Enterprises With AI To Deliver Intelligent Business Solutions

    Empowering Startups & Enterprises With AI To Deliver Intelligent Business Solutions

    Logicspice is a well-established mobile app and web development company that boasts over 18+ years of experience and has successfully completed over 2000 projects with a significant number of repeat clients...

    Top Services:

    • Software Development
    • UI/UX Design
    • Web Design
    • Mobile App Development
    • Blockchain
    • Show more
    Location
    Beverly Hills, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $21/hr
    Portfolios Count
    8 Projects Listed
    View Profile
    4.3 4.3 (1)

  • Innofied Solution

    Guaranteeing a 5 star experience!

    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...

    Top Services:

    • Mobile App Development
    • Web Design
    • eCommerce Development
    • WordPress Website Design
    • Web Development
    • Show more
    Location
    Sunnyvale, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    20 Projects Listed
    View Profile
    4.3 4.3 (1)
    4.2 4.2 (78)

  • Sidebench

    Top Healthcare Product, Technology, & Venture Design Firm

    Top Healthcare Product, Technology, & Venture Design Firm

    Sidebench is the top healthcare technology design and software engineering firm in the US. We combine strategy, design, technical architecture at every point of our process. We are known for delivering extraordinary business results...

    Top Services:

    • Mobile App Development
    • Software Development
    • AI Development
    • Wearables
    • UI/UX Design
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    11 Projects Listed
    View Profile
    4.0 4.0 (1)

  • Appventurez Mobitech

    AI-First Engineering | Agentic AI | Product Engineering | Enterprise Software | Digital Transformati

    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...

    Top Services:

    • Mobile App Development
    • Web Development
    • Software Development
    • VR/AR
    • eCommerce Development
    • Show more
    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
    View Profile
    4.2 4.2 (1)

  • Gecko Dynamics

    Since 2002 in the software development business. Companies from 27 industries choose us.

    Since 2002 in the software development business. Companies from 27 industries choose us.

    With over 20 years of industry experience, Gecko Dynamics is a trusted partner for startups and enterprises. Our team delivers end-to-end solutions using Java, Angular, Flutter, and AWS. From ideation to post-launch support, we're dedicated to driving progress for our clients across industries...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • Staff Augmentation
    • IT Services
    • Show more
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Portfolios Count
    11 Projects Listed
    View Profile
    4.3 4.3 (1)
    4.6 4.6 (10)

  • 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)

  • Saritasa

    We Empower Businesses Through Technology.

    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...

    Top Services:

    • Software Development
    • Mobile App Development
    • VR/AR
    • Web Development
    • eCommerce Development
    • Show more
    Location
    Irvine, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $130/hr
    Portfolios Count
    5 Projects Listed
    View Profile
    4.3 4.3 (1)
    4.2 4.2 (31)

  • Auspicious Soft Pvt Ltd

    AI-Powered Software Development For a Smarter Future

    AI-Powered Software Development For a Smarter Future

    Auspicious Soft is a USA-based custom software, web & mobile app development company with 8+ years of experience serving startups, SMEs & enterprises across healthcare, fintech, logistics & more...

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Development
    • Blockchain
    • AI Development
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    4.3 4.3 (1)
    4.5 4.5 (86)

  • Dreamers Inc.

    Verified Verified by the DesignRush team for authenticity and credibility.
    Your spark, our fuel

    Your spark, our fuel

    Dreamers is a research, data science, and tech consultancy that specializes in building solutions for complex problems. We are based in sunny California, but we work remotely with clients from all over the world. We're engineer-owned and operated, meaning you'll get personal attention and quick answers...

    Top Services:

    • AI Development
    • Blockchain
    • Software Development
    • Mobile App Development
    • Wearables
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    14 Projects Listed
    View Profile
    4.3 4.3 (1)

  • Perimattic

    Your Digital Partner for Project Success.

    Your Digital Partner for Project Success.

    Perimattic is a technology partner specializing in AI development, software development, cloud solutions, DevOps, MLOps, and enterprise technology services. The company helps startups, growing businesses, and enterprises build secure, scalable, and high-performance digital solutions...

    Top Services:

    • AI Development
    • DevOps Consulting
    • Cloud Consulting
    • Software Testing
    • Software Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    View Profile
    4.3 4.3 (1)

  • 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)

  • Candour Technolabs

    AI & Blockchain Built for Scale

    AI & Blockchain Built for Scale

    Dubai-headquartered technology company specialising in AI, Blockchain, Web & Mobile, and DevOps solutions. 14+ years delivering enterprise-grade digital products for clients across the US, UAE, and UK...

    Top Services:

    • AI Development
    • Blockchain
    • Software Development
    • Web Development
    • Mobile App Development
    • Show more
    Location
    Santa Monica, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Portfolios Count
    18 Projects Listed
    View Profile
    4.3 4.3 (1)
    3.3 3.3 (3)

  • Ambsan Digital

    Building the Future, Code At A Time

    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...

    Top Services:

    • Mobile App Development
    • Web Design
    • Web Development
    • Software Development
    • UI/UX Design
    • Show more
    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
    View Profile
    4.1 4.1 (1)

  • WebeXcellence

    Transform Your Business Using Our Digital Solutions!

    Transform Your Business Using Our Digital Solutions!

    We are a web and AI development agency helping startups and businesses build scalable digital products. Our team specializes in modern web applications, AI integrations, automation systems, and SaaS platforms. From idea to deployment, we focus on creating fast, secure, and user-friendly solutions that help...

    Top Services:

    • Web Design
    • eCommerce Development
    • Web Development
    • AI Development
    • Software Development
    • Show more
    Location
    Tracy, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    3 Projects Listed
    View Profile
    4.3 4.3 (1)
    5.0 5.0 (9)

  • 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

  • L+R

    End-to-end digital product design and engineering.

    End-to-end digital product design and engineering.

    End-to-end digital product design and engineering for enterprises and premium brands...

    Top Services:

    • Branding
    • Mobile App Development
    • Software Development
    • AI Development
    • Design Services
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    4 Projects Listed
    View Profile
    5.0 5.0 (7)

  • Carmatec

    Web Design and Mobile App Development Company

    Web Design and Mobile App Development Company

    Carmatec is an enterprise IT solutions provider with over 23+ years of proven industry experience and has successfully carved out a niche in web development, software and application design and development apart from its expertise in mobile development, managed IT services & cloud solutions...

    Top Services:

    • Web Development
    • Web Design
    • Mobile App Development
    • Software Development
    • eCommerce Development
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    3 Projects Listed
    View Profile
    3.4 3.4 (109)

  • Intellectyx

    Agentic AI Development Company in USA

    Agentic AI Development Company in USA

    Intellectyx, Inc. is a next-gen technology company providing solutions across Data, Generative AI, and Digital for various Enterprises, Governments, and Non-Profit organizations globally...

    Top Services:

    • AI Development
    • Big Data Analytics
    • IT Services
    • Software Development
    • Show more
    Location
    Pasadena, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    8 Projects Listed
    View Profile
    5.0 5.0 (2)

  • Endertech

    Beautiful & Functional Digital Solutions That Deliver ROI

    Beautiful & Functional Digital Solutions That Deliver ROI

    Endertech (endertech.com, 310.400.0800) is a full-service web and software development company near Los Angeles since the year 2000 providing custom design, e-commerce, software development, and online marketing support. “If you can dream it; We can build it”...

    Top Services:

    • Digital Services
    • Web Development
    • Web Design
    • eCommerce Development
    • Software Development
    • Show more
    Location
    Torrance, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    4.6 4.6 (19)

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