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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$5,000+50 - 249 employeesGaithersburg, MDRead More
DesignDATA is an IT managed services company. Established in 1979, the midsize agency is headquartered in Gaithersburg, Maryland and Washington, District of Columbia. Their services include IT managed services, IT strategy consulting, cloud consulting & SI, and Cybersecurity.
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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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691$10,000+2 - 9 employeesSan Jose, CABased in San Jose, California, Maverick IT Alliance is an IT strategy consulting company. Established in 2024, the team provides IT strategy consulting and cloud consulting & SI.Read More
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692$1,000+2 - 9 employeesIrvine, CABased in Irvine, California, OC Security Audit is an IT strategy consulting company. Their services include IT strategy consulting and cloud consulting & SI.Read More
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693$10,000+10 - 49 employeesSacramento, CALaunched in 2025, Corebackend is a small Sacramento, California-based IT strategy consulting company. Their team offers IT strategy consulting and cloud consulting & SI.Read More
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694$1,000+2 - 9 employeesTemecula, CAMoore Technology Partners is an IT strategy consulting company launched in 2025. The small team provides IT strategy consulting and unified communications consulting & SI.Read More
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695Undisclosed2 - 9 employeesRoseville, CALevel 4 MSSP Corp is a small IT strategy consulting company launched in 2025. Their services include IT strategy consulting and Cybersecurity.Read More
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696Undisclosed50 - 249 employeesAustin, TXIntegritek Managed IT Services is an IT managed services company. The midsize Austin, Texas-based firm was founded in 2006. Their team focuses on IT managed services, Cybersecurity, IT staff augmentation, and Compliance Consulting.Read More
Clients
Casoro GroupIndustries
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697Undisclosed2 - 9 employeesMenlo Park, CALaunched in 2019, Hostman is an IT managed services company. The team provides IT managed services and Application Management & Support.Read More
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698$10,000+10 - 49 employeesSacramento, CANanoByte Technologies is an IT staff augmentation company. Their small team is headquartered in Sacramento, California and Lahore, Pakistan. Their services include IT staff augmentation, Custom Software Development, Web Development, IoT development, and more. The firm was launched in 2015.Read More
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699Undisclosed10 - 49 employeesSan Jose, CAKonsulko Group, an IT strategy consulting and software development company, is in San Jose, California. Founded in 2012, the team offers IT strategy consulting and Custom Software Development.Read More
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700$5,000+1,000 - 9,999 employeesSan Jose, CAE-Solutions, an IT staff augmentation company, provides IT staff augmentation and IT managed services. The company is in San Jose, California.Read More
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701Undisclosed10 - 49 employeesWest Hollywood, CAAdTector is a small West Hollywood, California-based Advertising company. The team focuses on Advertising and BI & big data consulting & SI.Read More
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702Undisclosed10 - 49 employeesSunnyvale, CAGRSee Consulting is a Cybersecurity and Compliance Consulting company. Based in Sunnyvale, California and Rehovot, Israel, the team provides Cybersecurity and Compliance Consulting.Read More
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703$10,000+2 - 9 employeesCarlsbad, CARead More
Websoft Depot is a remote recruiting company for the IT industry. Founded in 2013, they are headquartered in Carlsbad, Calif., and have an additional office in Chelyabinsk, Russia. Websoft Depot has about 3 employees that do web development, e-commerce development, and custom software development.
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Govgroup.com -
704$1,000+10 - 49 employeesSan Ramon, CACXcherry is a CRM consulting and SI and custom software development firm. Launched in 2021, the team specializes in CRM consulting and SI and Custom Software Development.Read More
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705$1,000+10 - 49 employeesLos Angeles, CAPanni Management, an IT strategy consulting and Business Consulting company, was launched in 2009. The team provides IT strategy consulting and Business Consulting.Read More
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706$5,000+2 - 9 employeesMission Viejo, CAERPVAR, an ERP consulting and SI company, was established in 2012. The team offers ERP consulting and SI and Content Marketing and is headquartered in Mission Viejo, California.Read More
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707Undisclosed10 - 49 employeesWest Covina, CASmall big data company Revnue, is headquartered in West Covina, California. The team offers BI & big data consulting & SI and IT managed services.Read More
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708$1,000+10 - 49 employeesCampbell, CAIT managed services and Building Security Services company SPAGHETTI NETWORKS INC was launched in 2015. The team specializes in IT managed services and Building Security Services.Read More
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709$10,000+2 - 9 employeesLos Angeles, CAHyperkinetic Studios is an Other Application Development company. The team offers Other Application Development and IT strategy consulting and is based in Los Angeles, California.Read More
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710$10,000+2 - 9 employeesSan Jose, CASimeon Cloud LLC is a cloud consulting & SI company. They are in San Jose, California and have small team. They specialize in cloud consulting & SI and IT managed services.Read More
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711Undisclosed2 - 9 employeesLos Angeles, CAMetaResolve Inc is an IT strategy consulting company. They offer IT strategy consulting and Cybersecurity and were launched in 2013. The company is located in Los Angeles, California.Read More
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712$1,000+2 - 9 employeesPasadena, CATech on Demand is a cloud consulting & SI company. The team offers cloud consulting & SI and Cybersecurity and is based in Pasadena, California.Read More
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713Undisclosed10 - 49 employeesPalo Alto, CASMB Services is an accounting company established in 2021. The company focuses on accounting, BI & big data consulting & SI, and financial advising & planning and has a small team.Read More
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714$5,000+10 - 49 employeesSacramento, CARead More
SymSoft Solutions is an advertising company. Their small team is headquartered in Sacramento, California. Their services include advertising, branding, digital strategy, search engine optimization, and more. The agency was launched in 2006.
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715$10,000+10 - 49 employeesIrvine, CAEYEMAGINE is a Content Marketing company based in Irvine, California. They specialize in Content Marketing and Digital Strategy and were launched in 2003.Read More
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716$1,000+10 - 49 employeesSacramento, CABased in Sacramento, California, Geekybugs is an user experience design company. They specialize in UX/UI Design and ERP consulting and SI and were founded in 2018.Read More
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717$10,000+10 - 49 employeesIrvine, CARead More
Established in 2016, Linkosys is a small IT strategy consulting company based in Irvine, California and Irvine, California. Their services include IT strategy consulting, IT managed services, BI & big data consulting & SI, IT staff augmentation, and more.
Clients
BresatechIndustries
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718$1,000+50 - 249 employeesSan Francisco, CAHeadquartered in San Francisco, California, 31West Global Services is a Customer Service Outsourcing company. They specialize in Customer Service Outsourcing and cloud consulting & SI.Read More
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719$50,000+10 - 49 employeesPalo Alto, CAEstablished in 2024, Rotavision is an AI Consulting company. The team specializes in AI Consulting and BI & big data consulting & SI.Read More
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720$5,000+2 - 9 employeesSacramento, CAIntelliquarck, a cloud consulting & SI company, is located in Sacramento, California. The team specializes in cloud consulting & SI and CRM consulting and SI.Read More
Industries
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Schedule ConsultationMost Reviewed IT Services Company in California
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