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.
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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1$5,000+50 - 249 employeesSan Diego, CAFounded in 2003, Infracore is an IT managed services company. They are headquartered in San Diego, California and New Haven, Connecticut and have a midsize team. The company focuses on IT managed services, Cybersecurity, and IT strategy consulting.Read More
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2$5,000+250 - 999 employeesGlendale, CACyberDuo is an IT managed services company headquartered in Glendale, California; New York, New York; San Francisco, California and San Diego, California. The midsize firm was launched in 2008. Their team provides IT managed services, Cybersecurity, IT strategy consulting, and cloud consulting & SI.Read More
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DisneyIndustries
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3Undisclosed50 - 249 employeesSan Ramon, CALocated in San Ramon, California; San Francisco, California; Sacramento, California and San Jose, California, Parachute Technology is an IT managed services company. The midsize team focuses on IT managed services, Cybersecurity, and cloud consulting & SI. The agency was established in 2003.Read More
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San Francisco Travel AssociationIndustries
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4$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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5$5,000+10 - 49 employeesSan Jose, CARead More
Launched in 2010, TruAdvantage is an IT managed services company. Based in San Jose, California and San Francisco, California, their small team provides IT managed services, cloud consulting & SI, Cybersecurity, and IT strategy consulting.
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6$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
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Salem PartnersIndustries
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7$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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8$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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9$5,000+10 - 49 employeesEl Segundo, CARead More
Facet Interactive is a small Digital Strategy company launched in 2014. Their services include Digital Strategy, BI & big data consulting & SI, cloud consulting & SI, CRM consulting and SI, and more. The agency is based in El Segundo, California.
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Element Solutions IncIndustries
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10$5,000+10 - 49 employeesIrvine, CARead More
briteCITY is an IT services company founded in 2007 and based in Irvine, Calif. The team of about 20 primarily provides IT managed services, with cloud consulting and SI and cybersecurity as additional offerings. They cater to small businesses in a variety of industries, from business services and nonprofit to education and legal.
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11$1,000+10 - 49 employeesIrvine, CATailored Technology Services Inc. Is an IT managed services company. Established in 2013, the team offers IT managed services, IT strategy consulting, cloud consulting & SI, and unified communications consulting & SI. Their small company is Irvine, California-based.Read More
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12$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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13$5,000+10 - 49 employeesHuntington Beach, CACAL IT Group is a small IT managed services company. Launched in 2016, the company is in Huntington Beach, California. Their team focuses on IT managed services and Cybersecurity.Read More
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14$10,000+10 - 49 employeesManhattan Beach, CANuage NetSuite Consulting is a Nocatee, Florida-based ERP consulting and SI company. The small team specializes in ERP consulting and SI, Finance & Accounting Outsourcing (FAO), Logistics & Supply Chain Consulting, Back Office Outsourcing, and more. The agency was established in 2011.Read More
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15$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.
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Host HealthcareIndustries
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16$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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17$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
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ABC TelevisionIndustries
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18Undisclosed10 - 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.
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Bella+CanvasIndustries
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19$1,000+10 - 49 employeesSacramento, CARead More
Launched in 1999, Total Secure Technology is a Cybersecurity company. In Sacramento, California, their small team specializes in Cybersecurity, IT managed services, and IT strategy consulting.
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20Undisclosed10 - 49 employeesSanta Clarita, CADatalink Networks Inc. Is a small IT strategy consulting company located in Santa Clarita, California; Bentonville, Arkansas; Dallas, Texas and Bellevue, Washington. They specialize in IT strategy consulting, cloud consulting & SI, unified communications consulting & SI, Cybersecurity, and more and were established in 1988.Read More
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City of PalmdaleIndustries
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21$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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22$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.
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ASGBIndustries
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23$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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24$100,000+250 - 999 employeesLos Angeles, CAIn Los Angeles, California; Santa Monica, California; New York, New York and San Francisco, California, TheoremOne is a midsize software development company. They focus on Custom Software Development, IT strategy consulting, Business Consulting, IoT development, and more and were founded in 2007.Read More
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AT&TIndustries
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25$5,000+10 - 49 employeesGlendale, CARead More
General Networks is an information technology consultancy based in Glendale, Calif. Established in 1984, they have around 60 employees and offer a wide range of business-oriented IT solutions. Their services include enterprise content management consulting, software integrations, IT managed services, and cloud consulting, which they offer, primarily, to the media and government sectors.
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LA County Employee Retirement Association (Lacera)Industries
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26$1,000+10 - 49 employeesSan Diego, CACrown 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.Read More
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27$25,000+250 - 999 employeesLos Angeles, CARead More
SADA Systems, with a team of 350+ employees, is a software consulting agency that was founded in 2000. SADA Systems is headquartered in Los Angeles, with an office in Washington. The agency helps a variety of clients with their cloud consulting and system integration, IT strategy consulting, and software development needs.
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Colgate-PalmoliveIndustries
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28$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
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Urban Armor GearIndustries
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29$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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30$5,000+10 - 49 employeesLos Angeles, CARead More
ClearFuze Networks, Inc. Is a small Los Angeles, California-based IT managed services company. They provide IT managed services, cybersecurity, and IT strategy consulting and were founded in 2002.
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