Top 100 IT Services Companies in California

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Top 100 IT Services Companies in California

The Best of September 2026

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For your company to grow, it is essential to choose the best technology. Hiring an innovative IT services provider is the easiest way to ensure that you are making the best use of technology, increasing sales, and staying one step ahead of the competition. 

Jump to Most Reviewed Companies

List of the Best California IT Companies

  • 2041
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    San Jose, CA
    Element22 is a small data analytics company in San Jose, California. Their services include BI & big data consulting & SI.
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  • 2042
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Rancho Cordova, CA
    Launched in 2022, xAQUA is a big data company. The agency specializes in BI & big data consulting & SI, and is small.
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  • 2043
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Santa Clara, CA
    Big data analytics company CloudEQS was established in 2020. The team specializes in BI & big data consulting & SI and cloud consulting & SI and is located in Santa Clara, California.
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    Industries

  • 2044
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Pleasanton, CA
    Hanker Analytics is a business intelligence company. Their small team is headquartered in Pleasanton, California. Their services include BI & big data consulting & SI and cloud consulting & SI.
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  • 2045
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    San Diego, CA
    Business intelligence company EOT was founded in 2018. The small team focuses on BI & big data consulting & SI and Generative AI.
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    Industries

  • 2046
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Santa Barbara, CA
    Eyko is a Santa Barbara, California-based big data company. They focus on BI & big data consulting & SI and cloud consulting & SI and were founded in 2021.
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  • 2047
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    San Francisco, CA
    Imidia is a data analytics company launched in 2011. Their team offers BI & big data consulting & SI and IT strategy consulting.
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    Industries

  • 2048
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Campbell, CA
    GeoIdentity Inc, a big data analytics company, is located in Campbell, California. They specialize in BI & big data consulting & SI and Artificial Intelligence.
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    Industries

  • 2049
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    Freelancer employees
    Huntington Beach, CA
    VasSecCo is a Cybersecurity company. Their team is headquartered in Huntington Beach, California and provides Cybersecurity.
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  • 2050
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Walnut Creek, CA
    Launched in 2016, Aleada Consulting is a small IT strategy consulting company. Their team specializes in IT strategy consulting.
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  • 2051
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Los Angeles, CA
    Live Proxies is a business intelligence company. They were launched in 2020 and offer BI & big data consulting & SI.
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  • 2052
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Folsom, CA
    Founded in 2001, Introlligent is an IT strategy consulting company. The midsize team focuses on IT strategy consulting and IT managed services.
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    Industries

  • 2053
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    San Diego, CA
    Founded in 2023, iterQ is an IT strategy consulting company. Their team offers IT strategy consulting and cloud consulting & SI.
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  • 2054
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Los Angeles, CA
    Founded in 1991, Sysnet Solutions is a small Los Angeles, California-based cloud consulting & SI company. Their services include cloud consulting & SI and Cybersecurity.
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  • 2055
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Huntington Beach, CA
    Server Solution Plus is an IT managed services company. They are based in Huntington Beach, California and have small team. Their team focuses on IT managed services and Cybersecurity.
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  • 2056
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Monterey, CA
    Launched in 2008, Rayne Technology Solutions, Inc. Is a Cybersecurity and IT managed services company. Their team focuses on Cybersecurity and IT managed services.
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  • 2057
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Temecula, CA
    Launched in 1996, Umetech, Inc. Is a small IT strategy consulting company located in Temecula, California. Their team provides IT strategy consulting and cloud consulting & SI.
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  • 2058
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Los Angeles, CA
    Prescient is a midsize Cybersecurity company in Chicago, Illinois and Arlington, Virginia. Their services include Cybersecurity.
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  • 2059
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    San Diego, CA
    Bryce Cyber is a small San Diego, California-based Cybersecurity company. Their services include Cybersecurity and Commercial Financing.
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  • 2060
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Sunnyvale, CA
    Baidu USA is an artificial intelligence firm. The Sunnyvale, California-based company was founded in 2014. Their team specializes in Artificial Intelligence and Advertising.
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  • 2061
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Morgan Hill, CA
    Digital Green Global, Inc. Is an IT strategy consulting and IT managed services company launched in 2005. The midsize team offers IT strategy consulting and IT managed services.
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  • 2062
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    El Monte, CA
    West Coast Computer Recycler is an IT managed services company. The El Monte, California-based team offers IT managed services.
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  • 2063
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    San Francisco, CA
    Genetsis Group is a San Francisco, California-based Marketing Strategy company. The team offers Marketing Strategy and ECM consulting and SI.
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  • 2064
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    San Francisco, CA
    Innovate Group is a business intelligence company launched in 2015. The small team offers BI & big data consulting & SI and UX/UI Design.
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  • 2065
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Orange, CA
    Primatz Guard is a small Orange, California-based Cybersecurity company. The team focuses on Cybersecurity.
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  • 2066
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    Freelancer employees
    San Diego, CA
    IT Ops Excellence Consulting LLC is a small San Diego, California-based IT managed services company. Their services include IT managed services and IT strategy consulting.
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    Industries

  • 2067
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Sunnyvale, CA
    Arosys Technologies, a small software development company, is headquartered in Sunnyvale, California and Bhilai, India. The team focuses on Custom Software Development and Application Testing.
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    Industries

  • 2068
    (18 Reviews) 4.9

    Timeliness

    4.8

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    4.9
    $25,000+
    10 - 49 employees
    Rolling Hills Estates, CA
    IT managed services company Navinod Technologies LLP(Aykan®) was launched in 2017. They are headquartered in Mangaluru, India and Rolling Hills Estates, California and have a small team. Their services include IT managed services, Artificial Intelligence, AI Consulting, Generative AI, and more.
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    Industries

  • 2069
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    San Ramon, CA
    Roundtechsquare is a social media marketing agency. The team specializes in Social Media Marketing and Search Engine Optimization and is based in San Ramon, California and Vadodara, India.
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    Industries

  • 2070
    (15 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    4.8
    Undisclosed
    10 - 49 employees
    San Diego, CA
    Affinity Design Hub, a marketing strategy company, was founded in 2015. Their small team is based in San Diego, California. Their services include marketing strategy, search engine optimization, graphic design, logo, and more.
    Read More

    Industries

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