Best California IT Consulting Companies

111 Companies-Rankings updated: August 19, 2026

DesignRush evaluates each agency using expert assessment and client feedback to inform your choices. Some featured agencies have paid placements.

IT Consulting
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  • Palm Desert Geeks

    Local It Support You Can Count On.

    Local It Support You Can Count On.

    Our team of IT experts can assist you with a number of web development, computer, and network related issues. We do it all from website design and creation to virus removal, data backup and system diagnostics, as well as VPN setup and ongoing network support. We have operated in the Coachella Valley for...

    Top Services:

    • Web Design
    • Web Development
    • Social Media Marketing
    • IT Services
    • PPC
    • Show more
    Location
    Palm Desert, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    Under $1,000
    View Profile
    4.8 4.8 (16)

  • 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

  • Sunil Dhawan

    Enterprise Modernization Advisory

    Enterprise Modernization Advisory

    Sunil Dhawan Consulting helps founders and businesses turn ideas into clear product plans, MVP roadmaps, and practical technology decisions. It offers structured guidance to help people build more clarity, confidence, and direction...

    Top Services:

    • Business Consulting
    • CRM Consulting
    • ERP Consulting
    • ECM Consulting
    • Cloud Consulting
    • Show more
    Location
    Lathrop, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $20/hr
    Minimal Budget
    Under $1,000
    View Profile

  • RedBlink

    Generative AI Development Company

    Generative AI Development Company

    Generative AI Development Company: AI Solutions for Startups and Enterprises. In the fast-paced world of 2024, RedBlink stands at the forefront of the AI revolution, transforming ideas into reality with cutting-edge AI-driven development...

    Top Services:

    • AI Development
    • Software Development
    • Mobile App Development
    • Digital Marketing
    • SEO
    • Show more
    Location
    Danville, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $15/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    1.0 1.0 (1)

  • 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)

  • Testmatick

    VerifiedVerified by the DesignRush team for authenticity and credibility.
    Where Quality Meets Excellence in Software Testing

    Where Quality Meets Excellence in Software Testing

    Testmatick is a QA-only firm founded in 2009, offering 20+ testing types including manual, automated, penetration, and game testing. It maintains a library of 1,000+ physical devices. Best for software teams needing dedicated QA outsourcing with a risk-free pilot project option...

    Top Services:

    • Software Testing
    Location
    Los Angeles, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $14/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    5 Projects Listed
    View Profile
    4.6 4.6 (3)

  • Rushkar Technology Pvt. Ltd.

    Software & Mobile Application Development Company.

    Software & Mobile Application Development Company.

    Rushkar Technology Pvt. Ltd. is a premier software development company based in India, renowned for its commitment to delivering high-quality, timely, and cost-effective offshore software and mobile application solutions. At Rushkar, we prioritize long-term relationships and client satisfaction, ensuring that...

    Top Services:

    • Software Development
    • Mobile App Development
    • Staff Augmentation
    • eCommerce Development
    • Web Development
    • Show more
    Location
    Anaheim, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $12/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed
    View Profile
    4.9 4.9 (21)

  • Chipsy IT Services Pvt. Ltd.

    Transform Your Business with Our End-to-End IT Solutions.

    Transform Your Business with Our End-to-End IT Solutions.

    Chipsy Information Technology Services Pvt Ltd. offers comprehensive IT solutions, including expert consulting, mobile app development (VitalBase is an ABDM-enabled hospital management information system), application development, school management systems, and DevOps services...

    Top Services:

    • Mobile App Development
    • IT Services
    • Cloud Consulting
    • DevOps Consulting
    • Software Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $12/hr
    View Profile

  • ITColark Consulting

    Building Smart Enterprise Solutions For Growing Businesses.

    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
    View Profile

  • Probey Services

    VerifiedVerified by the DesignRush team for authenticity and credibility.
    World's #1 Rated & Reviewed App, Website & Software Development Company

    World's #1 Rated & Reviewed App, Website & Software Development Company

    Probey Services builds websites on WordPress and Shopify, iOS and Android apps, and web applications. The IT services firm has delivered 1,800+ projects across global markets. Best for small and mid-size businesses needing a cost-effective offshore development partner...

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Development
    • Web Design
    • WordPress Website Design
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $10/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    81 Projects Listed
    View Profile
    5.0 5.0 (110)
    5.0 5.0 (1)

  • Quantum IT Innovation

    Empowering Your Digital Future with Innovative IT Solutions

    Empowering Your Digital Future with Innovative IT Solutions

    At Quantum IT Innovation, our team excels in AI, Big Data, RPA, and Mobile App Development for iOS, Android, and Cross-Platform. We also offer expert SEO, PPC, and Social Media services to drive your business forward in the USA, UK, Canada, Ireland, UAE, Australia, India, & across the globe...

    Top Services:

    • Web Development
    • Social Media Marketing
    • SEO
    • PPC
    • IT Services
    • Show more
    Location
    San Clemente, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $10/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    101 Projects Listed
    View Profile
    4.9 4.9 (9)
    4.1 4.1 (113)

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