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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511Undisclosed50 - 249 employeesFremont, CABig data analytics company Infometry INC is headquartered in Fremont, California. The team focuses on BI & big data consulting & SI and cloud consulting & SI.Read More
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512$1,000+2 - 9 employeesLos Alamitos, CACybersecurity company Shift Computer Services provides Cybersecurity and IT managed services. They were founded in 2005.Read More
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513$5,000+10 - 49 employeesFresno, CAIT strategy consulting and Cybersecurity company Kotman Technology provides IT strategy consulting and Cybersecurity. They are located in Fresno, California and Kalamazoo, Michigan.Read More
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514$5,000+50 - 249 employeesLos Angeles, CAEstablished in 2012, DAX Software Solutions is an ERP consulting and SI company. Their team provides ERP consulting and SI and CRM consulting and SI.Read More
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515$1,000+2 - 9 employeesOntario, CAQPPMIPS Reporting Services is a big data analytics company founded in 2018. The company focuses on BI & big data consulting & SI, and is small.Read More
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516$25,000+10 - 49 employeesCupertino, CACcube is a small big data analytics company launched in 2022. Their team focuses on BI & big data consulting & SI and Artificial Intelligence.Read More
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517$1,000+10 - 49 employeesSanta Clara, CACyberHAWKS is an IT managed services company. Their small team is in Santa Clara, California. Their services include IT managed services and cloud consulting & SI.Read More
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518$5,000+10 - 49 employeesSanta Clara, CAINFORTECH, an IT managed services company, was founded in 1999. The team focuses on IT managed services.Read More
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519Undisclosed10 - 49 employeesCypress, CAL3 Networks Inc. Is an IT strategy consulting company. The small Cypress, California-based team provides IT strategy consulting and cloud consulting & SI. The company was established in 2000.Read More
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520Undisclosed2 - 9 employeesConcord, CAPacific Computer Consultants is an IT managed services company founded in 2003. The agency focuses on IT managed services and Cybersecurity, and is small.Read More
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521Undisclosed10 - 49 employeesRoseville, CAZenxeon Technologies, a web design company, was launched in 2004. They offers Web Design and IT strategy consulting.Read More
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522Undisclosed250 - 999 employeesSan Jose, CASpotline Inc is an IT managed services company. The San Jose, California-based agency was launched in 2005. Their services include IT managed services and ECM consulting and SI.Read More
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523Undisclosed10 - 49 employeesCastaic, CAThe Good IT Company is a cloud consulting & SI company. The Castaic, California-based agency was founded in 2020. Their team provides cloud consulting & SI and Cybersecurity.Read More
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524$10,000+10 - 49 employeesBurbank, CATWE Solutions is a Cybersecurity company. In Burbank, California, the firm was established in 2013. Their team specializes in Cybersecurity and IT managed services.Read More
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525$1,000+2 - 9 employeesSalinas, CAAdaptive Information Systems is an IT strategy consulting company. The Salinas, California-based firm provides IT strategy consulting and cloud consulting & SI.Read More
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526$5,000+10 - 49 employeesIrvine, CAQLAN is an IT managed services company. They specialize in IT managed services and Cybersecurity and were founded in 1998. The agency is in Irvine, California.Read More
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527Undisclosed1,000 - 9,999 employeesPasadena, CAM8trix Communications is an IT strategy consulting company launched in 2014. The agency focuses on IT strategy consulting and cloud consulting & SI, and is large.Read More
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528Undisclosed50 - 249 employeesHayward, CAEstablished in 2004, Baytech Recovery is a midsize IT managed services company. Their services include IT managed services.Read More
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529$75,000+50 - 249 employeesMission Viejo, CAFounded in 2011, Trevera Solutions, Inc. Is a midsize IT managed services company. Their team focuses on IT managed services and IT staff augmentation.Read More
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530$1,000+250 - 999 employeesSan Mateo, CAERP consulting and SI company Folio3 Agtech was established in 2005. The agency specializes in ERP consulting and SI and Custom Software Development.Read More
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531Undisclosed50 - 249 employeesSan Jose, CAMotivIT, LLC is an IT managed services company. They were established in 2002, and their services include IT managed services and Web Development.Read More
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532$10,000+2 - 9 employeesEscondido, CABased in Escondido, California, BuildLab Consulting is an advertising company. The small team specializes in advertising, branding, logo, cybersecurity, and more and was established in 2022.Read More
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533$5,000+10 - 49 employeesNewport Beach, CAUS ProTech is a Cybersecurity company. They provide Cybersecurity and IT managed services and were launched in 1999. The agency is headquartered in Newport Beach, California.Read More
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534$1,000+10 - 49 employeesLos Angeles, CAFOTHION is a small Los Angeles, California-based IT managed services company. The team specializes in IT managed services and Cybersecurity.Read More
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535$1,000+2 - 9 employeesCalabasas, CALast Line Solutions, Inc is an IT managed services company located in Calabasas, California. They specialize in IT managed services and cloud consulting & SI and were launched in 2001.Read More
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536$25,000+10 - 49 employeesSan Diego, CAOhanaOne, a CRM consulting and SI company, focuses on CRM consulting and SI and Application Management & Support. The firm is headquartered in San Diego, California.Read More
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537$1,000+10 - 49 employeesHuntington Beach, CALaunched in 2019, Rootpal is a cloud consulting & SI company. The small team offers cloud consulting & SI and IoT development.Read More
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538$5,000+2 - 9 employeesRedlands, CAEstablished in 2011, eTop Technology, Inc is a small cloud consulting & SI company. Their services include cloud consulting & SI and IT managed services.Read More
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539$1,000+10 - 49 employeesLos Angeles, CAIn Los Angeles, California, ION AVT Inc. Is an IT managed services company. They specialize in IT managed services and other IT consulting and SI and were launched in 2010.Read More
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540$5,000+10 - 49 employeesIrvine, CAEPossible is an IT managed services company established in 1998. The agency specializes in IT managed services and Cybersecurity, and is small.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
IT Services Company
California
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