Top 100 IT Services Companies in California
The Best of December 2025Looking 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.
To assist you in your search for a partner, we’ve compiled this list of the top IT consultants in California. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
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List of the Best California IT Companies
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$10,000+50 - 249 employeesL'viv, UkraineRead More
Founded in 2019, Uinno is an artificial intelligence firm. The midsize team specializes in Artificial Intelligence, Custom Software Development, Low/No Code Development, UX/UI Design, and more. The company is based in L'viv, Ukraine; Tallinn, Estonia; Kingston upon Thames, England and Zaporizhzhia, Ukraine.
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$1,000+50 - 249 employeesNaperville, ILBetterWorld Technology is a midsize IT managed services company launched in 2003. Their services include IT managed services, Cybersecurity, IT strategy consulting, and Compliance Consulting. The company is headquartered in Naperville, Illinois; Naperville, Illinois; Winter Park, Florida and Denver, Colorado.Read More
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421$5,000+10 - 49 employeesSan Francisco, CAMicroMenders is an IT managed services company. Launched in 1985, the company is in San Francisco, California. Their team focuses on IT managed services and cloud consulting & SI.Read More
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422$10,000+2 - 9 employeesBurbank, CAIT managed services company TVG Consulting is located in Burbank, California. The team focuses on IT managed services and IT strategy consulting.Read More
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423$1,000+250 - 999 employeesFremont, CABig data company Vertisystem was established in 2007. In Fremont, California and Indore, India, the team offers BI & big data consulting & SI and CRM consulting and SI.Read More
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424$1,000+10 - 49 employeesIrvine, CAESecurity Solutions, a Cybersecurity company, specializes in Cybersecurity and IT managed services. The agency is located in Irvine, California and Dayton, Nevada.Read More
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425$1,000+50 - 249 employeesSan Jose, CAInfoObjects Inc., a big data analytics company, offer BI & big data consulting & SI and Artificial Intelligence. They were founded in 2005.Read More
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426$5,000+10 - 49 employeesRedondo Beach, CA6th Street Consulting is an unified communications consulting & SI and IT strategy consulting company. Their services include unified communications consulting & SI.Read More
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427Undisclosed10 - 49 employeesSan Diego, CASmall IT managed services company SpotLink, is in San Diego, California and San Marcos, California. Their services include IT managed services and IT strategy consulting.Read More
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428$1,000+2 - 9 employeesSanta Barbara, CACloud Creations, Inc. Is a cloud consulting & SI company. Their small team of employees is based in Santa Barbara, California. Their team focuses on cloud consulting & SI and Marketing Strategy.Read More
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429Undisclosed10 - 49 employeesCosta Mesa, CAAffant Network Services is a small IT managed services company located in Costa Mesa, California. The team specializes in IT managed services and Cybersecurity.Read More
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430$1,000+10 - 49 employeesSan Francisco, CAIT managed services company Jones IT is in San Francisco, California. Founded in 2002, the team focuses on IT managed services and Business Consulting.Read More
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431Undisclosed10 - 49 employeesLos Angeles, CAIntratem Mobility Lifecycle Management, an other IT consulting and SI company, was established in 2004. The company offers other IT consulting and SI and IT managed services.Read More
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432$1,000+2 - 9 employeesLos Angeles, CAZZ COMPUTER is a Los Angeles, California-based IT managed services company. Launched in 2010, the team focuses on IT managed services.Read More
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433Undisclosed10 - 49 employeesSan Jose, CAFounded in 1996, UIS Technology Partners is a Business Consulting company. The small team provides Business Consulting and IT managed services.Read More
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434Undisclosed10 - 49 employeesUpland, CAIT managed services company Inland Productivity Solutions was established in 1988. The small team offers IT managed services.Read More
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435Undisclosed10 - 49 employeesRiverside, CACaptain IT, a Cybersecurity and IT managed services company, was launched in 2010. They offers Cybersecurity and IT managed services.Read More
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436$1,000+10 - 49 employeesOceanside, CAMindcentric, Inc is an IT managed services company established in 1999. The company focuses on IT managed services and cloud consulting & SI, and is small.Read More
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437$25,000+50 - 249 employeesMilpitas, CAEstablished in 2015, Wavelabs Technologies (Wavelabs is now Veltris) is a midsize IT strategy consulting company. Their services include IT strategy consulting and Application Management & Support.Read More
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438Undisclosed10 - 49 employeesSan Jose, CALaunched in 2019, CLOUDSUFI is a big data company. The small team specializes in BI & big data consulting & SI and cloud consulting & SI.Read More
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439$1,000+10 - 49 employeesSanta Ana, CAC3 Tech is a Cybersecurity company founded in 1994. The team provides Cybersecurity and IT managed services and is in Santa Ana, California.Read More
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440Undisclosed50 - 249 employeesSanta Clara, CADigital Mountain is a midsize IT managed services and Cybersecurity company based in Santa Clara, California. The team focuses on IT managed services and Cybersecurity.Read More
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441$1,000+10 - 49 employeesBurbank, CAFounded in 2011, IT Pros Management is a small Burbank, California-based IT managed services company. Their team offers IT managed services and IT strategy consulting.Read More
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442$5,000+50 - 249 employeesTorrance, CAIT managed services company DivergeIT offers IT managed services and Cybersecurity. They are based in Torrance, California and Memphis, Tennessee.Read More
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443$50,000+50 - 249 employeesMorro Bay, CAEstablished in 2014, STAND 8 Technology Services is an IT strategy consulting company. Their services include IT strategy consulting and cloud consulting & SI.Read More
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444$5,000+10 - 49 employeesGlendale, CADatastream IT is an IT managed services company. The Glendale, California-based firm was established in 2001. Their team focuses on IT managed services and IT strategy consulting.Read More
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445$5,000+250 - 999 employeesMilpitas, CAForsys Inc is a Milpitas, California-based CRM consulting and SI company. Their services include CRM consulting and SI and ERP consulting and SI.Read More
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446Undisclosed10 - 49 employeesSanta Rosa, CAHeadquartered in Santa Rosa, California and Berkeley, California, DeepNet is an IT managed services company. They specialize in IT managed services and IT strategy consulting and were founded in 1999.Read More
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447$1,000+10 - 49 employeesWalnut, CAActowiz Solutions LLP is a data analytics company headquartered in Walnut, California and Houston, Texas. They provide BI & big data consulting & SI.Read More
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448Undisclosed10 - 49 employeesSanta Clara, CAWanclouds is a cloud consulting & SI company. Their team is based in Santa Clara, California and Santa Clara, California. The firm offers cloud consulting & SI.Read More
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449Undisclosed2 - 9 employeesSan Francisco, CAVicert is a small San Francisco, California-based other IT consulting and SI company. Their services include other IT consulting and SI and IT managed services.Read More
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450Undisclosed10 - 49 employeesCorona, CAEverconnect Data Systems is a cloud consulting & SI company. The small Corona, California-based team offers cloud consulting & SI and IT strategy consulting. The company was launched in 2010.Read More
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Schedule ConsultationMost Reviewed IT Services Company in California
Check out an IT Services Company in California with the most new reviews in the past 12 months.
Most Reviewed
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