Top 100 IT Services Companies in California
The Best of November 2026Looking 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.
List of the Best California IT Companies
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1Undisclosed50 - 249 employeesSan Ramon, CAParachute Technology, an IT managed services company, was established in 2003. The company focuses on IT managed services, Cybersecurity, and cloud consulting & SI and has a midsize team.Read More
Clients
San Francisco Travel AssociationIndustries
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2$5,000+50 - 249 employeesSan Diego, CAInfracore is an IT managed services company. Their midsize team is located in San Diego, California and New Haven, Connecticut. Their services include IT managed services, Cybersecurity, AI Consulting, IT strategy consulting, and more. The agency was established in 2003.Read More
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3$25,000+50 - 249 employeesLos Angeles, CAMetal Toad is a Los Angeles, California-based cloud consulting & SI company. The firm specializes in cloud consulting & SI, BI & big data consulting & SI, IT managed services, Custom Software Development, and more and is midsize.The firm was founded in 2003.Read More
Clients
ABC TelevisionIndustries
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4$5,000+10 - 49 employeesCarlsbad, CAData analytics company Dynamic Data was launched in 2019. The small team provides BI & big data consulting & SI, Artificial Intelligence, cloud consulting & SI, and Digital Strategy. The agency is headquartered in Carlsbad, California.Read More
Clients
Multi-Brand HVAC & Plumbing Distributor Unstructured Universal Audio Pritchard IndustriesIndustries
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5$5,000+50 - 249 employeesSan Jose, CAZAG Technical Services, an IT managed services company, was established in 1998. They are based in San Jose, California; Salinas, California and Meridian, Idaho and have a midsize team. ZAG Technical Services focuses on IT managed services, other IT consulting and SI, IT strategy consulting, BI & big data consulting & SI, and more.Read More
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6$1,000+10 - 49 employeesTorrance, CAConsilien is a Torrance, California-based IT managed services company. Launched in 2001, the small team provides IT managed services, Cybersecurity, IT strategy consulting, and Compliance Consulting.Read More
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7$5,000+250 - 999 employeesGlendale, CALocated in Glendale, California; Irvine, California; San Diego, California and New York, New York, CyberDuo is an IT managed services company. The company provides IT managed services, Cybersecurity, cloud consulting & SI, and IT strategy consulting and is midsize.The company was founded in 2008.Read More
Clients
DisneyIndustries
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8$5,000+10 - 49 employeesSan Jose, CATruAdvantage is a San Jose, California-based IT managed services company. The small agency was launched in 2010. Their services include IT managed services, cloud consulting & SI, Cybersecurity, and IT strategy consulting.Read More
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9$5,000+10 - 49 employeesHuntington Beach, CACAL IT Group, an IT managed services company, was launched in 2016. Their small team is headquartered in Huntington Beach, California and provides IT managed services and Cybersecurity.Read More
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10$1,000+50 - 249 employeesVista, CARead More
Abtech Technologies is an IT managed services company. They are in Carlsbad, California and have a midsize team. The firm provides IT managed services, cloud consulting & SI, IT staff augmentation, IT strategy consulting, and more.
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11$5,000+10 - 49 employeesGlendale, CAGenCare is an IT managed services company. Their small team is headquartered in Glendale, California. The firm offers IT managed services and Cybersecurity.Read More
Clients
LA County Employee Retirement Association (Lacera)Industries
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12$5,000+10 - 49 employeesLos Angeles, CAEstablished in 2007, Be Structured Technology Group, Inc. Is an IT managed services company. Their small team is headquartered in Los Angeles, California. Their team focuses on IT managed services, IT strategy consulting, cloud consulting & SI, Cybersecurity, and more.Read More
Clients
Salem PartnersIndustries
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13$1,000+2 - 9 employeesSan Diego, CARead More
Wendego IT Solutions is an IT managed services company established in 2006. The agency provides IT managed services, Cybersecurity, IT strategy consulting, and cloud consulting & SI and has a small team. The agency is based in San Diego, California.
Clients
Host HealthcareIndustries
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14$1,000+10 - 49 employeesSan Francisco, CARead More
Varsity Technologies is an IT managed services company. Their small team is based in San Francisco, California; New York, California and Sacramento, California. The agency offers IT managed services, Cybersecurity, cloud consulting & SI, and Web Development.
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15$1,000+10 - 49 employeesSan Diego, CARead More
Crown Computers inc is an IT managed services company established in 1995. The company offers IT managed services, IT strategy consulting, Cybersecurity, IT staff augmentation, and more and has a small team.
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16$5,000+10 - 49 employeesIrvine, CABRITECITY, an IT managed services company, is in Irvine, California. The small team offers IT managed services, Cybersecurity, IT strategy consulting, and cloud consulting & SI and was established in 2007.Read More
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17$1,000+10 - 49 employeesConcord, CAPrecision IT Consulting is a small Concord, California-based IT managed services company. They provide IT managed services, IT strategy consulting, and cloud consulting & SI and were established in 2008.Read More
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18$10,000+50 - 249 employeesManhattan Beach, CAERP consulting and SI company Nuage NetSuite Consulting is located in Nocatee, Florida and Manhattan Beach, California. The midsize team specializes in ERP consulting and SI, Finance & Accounting Outsourcing (FAO), Logistics & Supply Chain Consulting, Accounting, and more and was launched in 2011.Read More
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19$5,000+10 - 49 employeesChino, CAVertical IT Solutions is an IT managed services company founded in 2014. Their small team is headquartered in Chino, California and Sacramento, California and offers IT managed services, cloud consulting & SI, unified communications consulting & SI, and Cybersecurity.Read More
Clients
Urban Armor GearIndustries
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20$10,000+10 - 49 employeesLos Angeles, CARead More
Cloudsquare is a Salesforce Consulting Partner that is based in Los Angeles, CA, with a direct focus on strategic advisory, technical implementation, and business transformation. Founded in 2017, they have about 30+ employees, that primarily support mid-market companies with a focus on the financial services and healthcare sectors. Services include Salesforce consulting, implementation, integrations, and managed services.
Clients
ASGBIndustries
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21$1,000+10 - 49 employeesTorrance, CARead More
Fantastic IT, an IT managed services company, was established in 1998. The small Torrance, California-based team provides IT managed services, Cybersecurity, and IT strategy consulting.
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22$1,000+10 - 49 employeesIrvine, CATailored Technology Services Inc. Is an IT managed services company launched in 2014. Their small team is in Irvine, California; Nashville, Tennessee; Fort Collins, Colorado and Mt. Juliet, Tennessee and focuses on IT managed services, IT strategy consulting, cloud consulting & SI, and unified communications consulting & SI.Read More
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23$50,000+1,000 - 9,999 employeesSan Francisco, CABairesDev is an AI company based in San Francisco, California; Buenos Aires, Argentina; Sao Paulo, Brazil and Ciudad de México, Mexico. Launched in 2009, the large team specializes in Artificial Intelligence, IT staff augmentation, Custom Software Development, DevOps Managed Services, and more.Read More
Clients
GoogleIndustries
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24$10,000+50 - 249 employeesSan Diego, CAFounded in 2002, Managed Solution is an IT managed services company. Their midsize team is headquartered in San Diego, California. Their team specializes in IT managed services, cloud consulting & SI, Cybersecurity, unified communications consulting & SI, and more.Read More
Clients
Microsoft, US SMB Champions Club, SMB Marketer of the YearIndustries
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25Undisclosed10 - 49 employeesNewport Beach, CARead More
Akins IT is a small cybersecurity company based in Newport Beach, California. The team specializes in cybersecurity, IT strategy consulting, and cloud consulting & SI.
Clients
Bella+CanvasIndustries
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26$5,000+10 - 49 employeesLos Angeles, CAIT managed services company Advanced Networks is based in Los Angeles, California; Irvine, California and San Francisco, California. They focus on IT managed services and Cybersecurity and were founded in 2004.Read More
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27Undisclosed50 - 249 employeesCalabasas, CABased in Calabasas, California, Faye is a CRM consulting and SI company. Established in 2010, the midsize team provides CRM consulting and SI, Low/No Code Development, Custom Software Development, and AI Consulting.Read More
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28$5,000+10 - 49 employeesWest Hollywood, CAInsightful Networks is a business intelligence company. The midsize West Hollywood, California-based agency was founded in 1998. Their team provides BI & big data consulting & SI, IT staff augmentation, IT managed services, other IT consulting and SI, and more.Read More
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29$10,000+10 - 49 employeesSan Francisco, CARead More
Galliot is a San Francisco-based software development firm founded in 2018. With an additional office in Montevideo, Uruguay, their 10-man-team develops products for midmarket and enterprise-level clients. While custom software and DevOps are their specialties, they also offer web development and cloud consulting.
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Life scienceIndustries
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30$5,000+50 - 249 employeesIrvine, CATechHeights - Business IT Services Orange County is a midsize IT managed services company. Founded in 2007, the agency is located in Irvine, California; Irvine, California and Riverside, California. Their team focuses on IT managed services, Compliance Consulting, and Cybersecurity.Read More
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