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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361$25,000+50 - 249 employeesManhattan Beach, CAADAPTOVATE is a Business Consulting company. Their team is based in Sydney, Australia and Manhattan Beach, California. The firm provides Business Consulting and IT managed services.Read More
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362Undisclosed250 - 999 employeesIrvine, CABatchMaster Software, a custom software development company, provide Custom Software Development and cloud consulting & SI. They were founded in 1983.Read More
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363Undisclosed1,000 - 9,999 employeesSan Jose, CAAstreya is an IT strategy consulting company founded in 2001. Their team offers IT strategy consulting and BI & big data consulting & SI.Read More
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364Undisclosed50 - 249 employeesRedlands, CANobel Systems is a cloud consulting & SI and IT managed services company. In Redlands, California, the team offers cloud consulting & SI and IT managed services.Read More
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365Undisclosed10 - 49 employeesLos Angeles, CAInfinitely Virtual (IV), an IT managed services company, is based in Los Angeles, California. The team offers IT managed services and Cybersecurity.Read More
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366$1,000+10 - 49 employeesSan Francisco, CAMann Consulting is a San Francisco, California-based IT managed services company. The team specializes in IT managed services and IT strategy consulting.Read More
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367$1,000+50 - 249 employeesSan Jacinto, CAEstablished in 2024, Words Doctorate is a data analytics company and Content Writing Services company. The team provides BI & big data consulting & SI and Content Writing Services.Read More
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368Undisclosed50 - 249 employeesGlendale, CALANAIR Technology Group is a Cybersecurity company. Located in Glendale, California, the company was founded in 2006. Their team focuses on Cybersecurity and IT managed services.Read More
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369$1,000+50 - 249 employeesSacramento, CALaunched in 2018, Technupur is a midsize custom software development company. Their services include Custom Software Development and BI & big data consulting & SI.Read More
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370$1,000+10 - 49 employeesSan Ramon, CARead More
KOKONUT Group is a small SEO services firm. Located in San Ramon, California and London, United Kingdom, the company was launched in 2013. Their team provides search engine optimization, pay per click, IT managed services, and application management & support.
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371$1,000+10 - 49 employeesSan Ramon, CAScriptStory is a big data analytics company. Their small team is in San Ramon, California. Their services include BI & big data consulting & SI.Read More
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372$25,000+10 - 49 employeesCulver City, CAAgency 39A, an IT strategy consulting company, was launched in 2019. The small team focuses on IT strategy consulting and Business Consulting.Read More
Clients
San Ysidro Health Mispro CLSI MustardSeed PMOIndustries
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373$10,000+250 - 999 employeesEl Segundo, CACustom software development firm Columbus Technologies and Services was launched in 2001. The firm provides Custom Software Development and IT managed services, and is midsize.Read More
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374Undisclosed250 - 999 employeesManhattan Beach, CABased in Manhattan Beach, California and Kondapur, India, RJT Compuquest is an ERP consulting and SI company. The team provides ERP consulting and SI and Cybersecurity.Read More
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375$5,000+10 - 49 employeesPleasant Hill, CASmall IT strategy consulting company LookingPoint, is headquartered in Pleasant Hill, California and Livermore, California. The team focuses on IT strategy consulting and IT managed services.Read More
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376$5,000+50 - 249 employeesSanta Barbara, CAIT managed services company CIO Solutions was established in 1986. Their midsize team is based in Santa Barbara, California; Fresno, California and San Luis Obispo, California and focuses on IT managed services, cloud consulting & SI, and IT strategy consulting.Read More
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377$5,000+10 - 49 employeesBrea, CALaunched in 1974, WAMS, Inc. Is an IT managed services company. The small team offers IT managed services and IT strategy consulting.Read More
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378$5,000+50 - 249 employeesRancho Cucamonga, CAIT managed services company Accent Computer Solutions Inc. Was launched in 1987. Based in Rancho Cucamonga, California, the team focuses on IT managed services and other IT consulting and SI.Read More
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379$5,000+10 - 49 employeesSimi Valley, CAAllConnected is an IT managed services company. Their small team of employees is based in Simi Valley, California. Their team specializes in IT managed services and IT strategy consulting.Read More
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380$5,000+10 - 49 employeesLos Angeles, CAIT managed services company Remote Tech Inc was launched in 2006. The team focuses on IT managed services and IT strategy consulting.Read More
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381$5,000+10 - 49 employeesSacramento, CACapital Network Solutions is an IT managed services company. The Sacramento, California-based agency was established in 1989. Their team provides IT managed services and cloud consulting & SI.Read More
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382$25,000+2 - 9 employeesPasadena, CAAlcala IT Consulting is an IT managed services company in Pasadena, California. The team focuses on IT managed services and Cybersecurity.Read More
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383$1,000+2 - 9 employeesSan Diego, CASecure Networks ITC is an IT managed services company. They are in San Diego, California and Los Angeles, California. Their team offers IT managed services.Read More
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384Undisclosed2 - 9 employeesSan Ramon, CAMirketa Inc is a business intelligence company and cloud consulting & SI company. Founded in 2003, the team offers BI & big data consulting & SI and cloud consulting & SI.Read More
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385Undisclosed10 - 49 employeesSan Diego, CAFIT Solutions, LLC is an IT managed services company. Their team is headquartered in San Diego, California. The company provides IT managed services and IT strategy consulting.Read More
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386$50,000+10 - 49 employeesRolling Hills Estates, CAVCloud Tech is a Rolling Hills Estates, California-based enterprise app modernization company. The small company was launched in 2013. Their team provides enterprise app modernization, cloud consulting & SI, IT managed services, cybersecurity, and more.Read More
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387$50,000+50 - 249 employeesSacramento, CALaunched in 2013, Zennify is a CRM consulting and SI company. The team offers CRM consulting and SI and Marketing Strategy.Read More
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388$1,000+10 - 49 employeesOntario, CATrinity Networx, LLC is an IT managed services company. Headquartered in Ontario, California and Watertown, South Dakota, the firm offers IT managed services and Cybersecurity.Read More
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389$5,000+50 - 249 employeesCerritos, CAEPIQ Infotech is a cloud consulting & SI company based in Cerritos, California. Their services include cloud consulting & SI and ERP consulting and SI.Read More
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390$1,000+10 - 49 employeesWestlake Village, CANetwork Thinking Solutions, Inc is a Westlake Village, California-based cloud consulting & SI company. Founded in 1997, the team provides cloud consulting & SI and IT managed services.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.
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