Top 100 IT Services Companies in California

Need Help Selecting a Company?
Directory image

Top 100 IT Services Companies in California

The Best of December 2025

Looking for a top IT services company in California?

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

  • 1141
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Palo Alto, CA
    Established in 2012, Safe Security is a Cybersecurity company. The team specializes in Cybersecurity and is located in Palo Alto, California and Santa Clara, California.
    Read More

    Industries

  • Get connected with a company for free

    Tell us about your project, and we'll match you with vetted companies that meet your requirements.

    Get Started
  • 1142
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    San Francisco, CA
    Cybersecurity company Skybox Security was launched in 2002. The team provides Cybersecurity and is in San Francisco, California.
    Read More
  • 1143
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    4.5

    Value

    5.0

    Would Recommend

    5.0
    Undisclosed
    1,000 - 9,999 employees
    San Jose, CA
    Cisco is a large cybersecurity company. The San Jose, California-based agency was established in 1984. Their services include cybersecurity and IT strategy consulting.
    Read More
  • 1144
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Santa Clara, CA
    Founded in 2015, Prismo Systems is a small Cybersecurity company headquartered in Santa Clara, California. Their team focuses on Cybersecurity and IT managed services.
    Read More
  • 1145
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    San Francisco, CA
    IT strategy consulting company Innovative Computing Systems, Inc. Is based in San Francisco, California. They offer IT strategy consulting and cloud consulting & SI.
    Read More
  • 1146
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    El Dorado Hills, CA
    AIS (Advanced Integrated Solutions), a Cybersecurity company, provide Cybersecurity and IT strategy consulting. They were launched in 1995.
    Read More
  • 1147
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    West Hollywood, CA
    InSOC is a Cybersecurity company. They are in West Hollywood, California, and their services include Cybersecurity.
    Read More
  • 1148
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    San Francisco, CA
    Armis is a Cybersecurity company headquartered in San Francisco, California. Their services include Cybersecurity and IoT development.
    Read More

    Industries

  • 1149
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Rancho Santa Margarita, CA
    Socium Security, a Cybersecurity company, is in Rancho Santa Margarita, California. They provide Cybersecurity.
    Read More
  • 1150
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Los Angeles, CA
    Virtis-US, a small Cybersecurity company, is located in Los Angeles, California and Auckland, New Zealand. The team focuses on Cybersecurity and BI & big data consulting & SI.
    Read More
  • 1151
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    1,000 - 9,999 employees
    Walnut Creek, CA
    Exadel People is an user experience design agency launched in 1998. The team provides UX/UI Design and IT strategy consulting.
    Read More

    Industries

  • 1152
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Fremont, CA
    Headquartered in Fremont, California, SoftSol is a midsize Application Testing company. The team provides Application Testing and BI & big data consulting & SI.
    Read More

    Industries

  • 1153
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Sacramento, CA
    Founded in 2019, Omnistruct, Inc. Is a Cybersecurity company. The team provides Cybersecurity and IT strategy consulting.
    Read More

    Industries

  • 1154
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    San Francisco, CA
    EAmmune is a San Francisco, California-based IT strategy consulting company. Founded in 2007, the team provides IT strategy consulting and BI & big data consulting & SI.
    Read More

    Industries

  • 1155
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Carlsbad, CA
    DataDivider Inc is an IT strategy consulting company founded in 2004. The team provides IT strategy consulting and Cybersecurity.
    Read More
  • 1156
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    San Jose, CA
    Mitigate Solutions, Inc. Is an IT strategy consulting company. The San Jose, California-based team specializes in IT strategy consulting and Cybersecurity.
    Read More
  • 1157
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Irvine, CA
    MSB Docs is an Irvine, California-based cloud consulting & SI company. The team offers cloud consulting & SI and Application Testing.
    Read More

    Industries

  • 1158
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Torrance, CA
    Located in Torrance, California, Aditi Group, Inc. Is a small IT strategy consulting company. The team focuses on IT strategy consulting and cloud consulting & SI.
    Read More
  • 1159
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Orange, CA
    Cybernova Tech Consulting, an IT strategy consulting company, was launched in 2014. The firm specializes in IT strategy consulting and cloud consulting & SI.
    Read More

    Industries

  • 1160
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Sausalito, CA
    Launched in 2017, Clarion GRC is a small Cybersecurity company. Their services include Cybersecurity and IT strategy consulting.
    Read More

    Industries

  • 1161
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    San Jose, CA
    Launched in 2010, DOSANJH USA Inc., a small IT strategy consulting company, is based in San Jose, California. Their team focuses on IT strategy consulting and Cybersecurity.
    Read More

    Industries

  • 1162
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Los Angeles, CA
    TRC Inc. Is an IT strategy consulting company in Los Angeles, California. They specialize in IT strategy consulting and Cybersecurity and were founded in 2015.
    Read More
  • 1163
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Sacramento, CA
    Global IT Services is a Sacramento, California-based IT strategy consulting company. They focus on IT strategy consulting and Corporate Training & Coaching.
    Read More

    Industries

  • 1164
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Fresno, CA
    IT strategy consulting company BCT Consulting, Inc. Offers IT strategy consulting and IT managed services. They are based in Fresno, California and San Jose, California.
    Read More

    Industries

  • 1165
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Los Gatos, CA
    TenisiTech is an IT strategy consulting company launched in 2012. The firm specializes in IT strategy consulting and IT managed services.
    Read More

    Industries

  • 1166
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    San Diego, CA
    Launched in 1999, San Diego Computer Consulting is a small San Diego, California-based IT strategy consulting company. Their team offers IT strategy consulting and cloud consulting & SI.
    Read More

    Industries

  • 1167
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Sacramento, CA
    Founded in 2000, MME Consulting, Inc. Is an IT strategy consulting company. The small team focuses on IT strategy consulting and Cybersecurity.
    Read More

    Industries

  • 1168
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    San Jose, CA
    IT strategy consulting company Esudo Technology Solutions is in San Jose, California. Founded in 2001, the team specializes in IT strategy consulting and Cybersecurity.
    Read More

    Industries

  • 1169
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Cupertino, CA
    Founded in 2002, KalioTek is an IT strategy consulting company. The company offers IT strategy consulting and cloud consulting & SI, and is small.
    Read More

    Industries

  • 1170
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Milpitas, CA
    Located in Milpitas, California, ICE Consulting is a cloud consulting & SI company. Their services include cloud consulting & SI and Cybersecurity.
    Read More
  • tracking image tracking image

Get connected with the right company for you

We'll do the work for you – finding and connecting you with service providers that meet your exact requirements.

Schedule Consultation