Top 100 IT Services Companies in California
The Best of April 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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181$25,000+250 - 999 employeesSan Jose, CARead More
VOLANSYS Technologies is a product realization and digital transformation company based in Ahmedabad, India, and founded in 2008. Their team of more than 350 employees specializes in IoT development, cloud consulting, and mobile app development.
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182$5,000+50 - 249 employeesSan Francisco, CARead More
Based in San Francisco, California, AllCode is a cloud consulting & SI company. The agency specializes in cloud consulting & SI, Custom Software Development, Web Development, UX/UI Design, and more and is midsize.The agency was founded in 2015.
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TwilioIndustries
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183$10,000+10 - 49 employeesLake Forest, CARead More
In Lake Forest, California, TeamLogic IT of Orange County is an IT managed services company. The small agency was established in 2006. Their team offers IT managed services, Cybersecurity, IT strategy consulting, and cloud consulting & SI.
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184$5,000+2 - 9 employeesMission Viejo, CARead More
Calibec is a small custom software development firm. Founded in 2021, the team offers custom software development, web development, mobile app development, enterprise app modernization, and more. The agency is located in Mission Viejo, California.
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185$5,000+2 - 9 employeesLos Angeles, CARead More
Cloud7 is a Los Angeles-based cloud tech company founded in 2105 with over two members. They specialize in cloud consulting, big data consulting, and IT managed services for small and medium-sized businesses alike.
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186$1,000+2 - 9 employeesIrvine, CARead More
Ayvant IT Services is a small CRM consulting and SI company. They offer CRM consulting and SI, IT managed services, cybersecurity, IT strategy consulting, and more and were founded in 2012. The agency is based in Irvine, California.
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187$1,000+2 - 9 employeesPasadena, CABlissVector Tech is a cybersecurity and IT managed services company in Pasadena, California. They provide cybersecurity and IT managed services and were launched in 2019.Read More
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188$5,000+2 - 9 employeesWest Hollywood, CACybersecurity company HECVAT Pro is located in West Hollywood, California. They provide cybersecurity and were established in 2021.Read More
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189$10,000+50 - 249 employeesSanta Clara, CARead More
Network Remedy is an IT management and Cloud consulting firm from San Jose, Calif. It was founded in 2001 and now has a team of 9 that offers IT managed services and IT strategy consulting services.
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Silicon Valley Startup Incubator (that has produced several unicorns)Industries
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190$25,000+50 - 249 employeesLos Angeles, CAIntegrated Digital Solutions is a midsize Los Angeles, California-based software development firm. Their services include Custom Software Development and cloud consulting & SI.Read More
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AT&T DirecTV Boeing CiscoIndustries
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191$1,000+10 - 49 employeesSan Jose, CAEstablished in 2014, 724Support by Netzinga is an IT managed services company. Their small team is located in San Jose, California and provides IT managed services, other IT consulting and SI, IT staff augmentation, cloud consulting & SI, and more.Read More
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192$5,000+50 - 249 employeesGlendora, CAIn Glendora, California, 3Alica is a midsize data analytics company. They offer BI & big data consulting & SI, Custom Software Development, E-Commerce Development, Application Testing, and more and were established in 2010.Read More
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SberbankIndustries
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193$5,000+2 - 9 employeesInglewood, CACX Collective is a small CRM consulting and SI company. They offer CRM consulting and SI, Business Consulting, Call Center Services, Customer Service Outsourcing, and more and were founded in 2016.Read More
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Thrive CausemeticsIndustries
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194Undisclosed10 - 49 employeesSan Diego, CAXceptional is a cloud consulting & SI company launched in 2007. The team focuses on cloud consulting & SI and IT managed services and is headquartered in San Diego, California and Longmont, Colorado.Read More
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195$1,000+10 - 49 employeesGlendora, CARead More
Founded in 2005, DLL Technologies is an IT service provider based in Glendora, Calif. Their team of over 10 serves small and midmarket businesses across a range of industries. Additional services include web design.
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196$10,000+10 - 49 employeesPalo Alto, CARead More
Datorium is a bespoke data solutions company based in Palo Alto, Calif. The company, founded in 2015, has a team of less than ten that provides BI & big data consulting & SI, digital strategy, and AI services to various companies and institutions.
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StarbucksIndustries
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197$5,000+10 - 49 employeesGlendale, CASmall custom software development company Skillian, is headquartered in Yerevan, Armenia and Glendale, California. Launched in 2020, the team specializes in Custom Software Development, cloud consulting & SI, and Web Development.Read More
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198$10,000+2 - 9 employeesLaguna Niguel, CARead More
Red Spider Security is a small cybersecurity company based in Laguna Niguel, California. The team provides cybersecurity, IT strategy consulting, and IT managed services.
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199$10,000+10 - 49 employeesLos Angeles, CARead More
Ogun Labs, a small , is located in Santa Monica, California. They provide and were founded in 2019.
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200$10,000+50 - 249 employeesIrvine, CARead More
Xavor Corporation is a custom software development firm. Founded in 1995, the team offers custom software development, cloud consulting & SI, and web development. Their midsize agency is in Irvine, California and Lahore, Pakistan.
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201$1,000+50 - 249 employeesSan Mateo, CARead More
PEARL ORGANISATION is a midsize custom software development company headquartered in Dehradun, India. Launched in 2011, the team provides custom software development, e-commerce development, web design, application testing, and more.
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202Undisclosed1,000 - 9,999 employeesSan Diego, CARead More
Established in 2012, fusepoint is a Marketing Strategy company. They are in San Diego, California and have a large team. Their services include Marketing Strategy, Media Planning & Buying, Digital Strategy, BI & big data consulting & SI, and more.
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203$10,000+2 - 9 employeesLos Angeles, CARead More
VargasAndrews is a professional services company in Los Angeles and Brisbane, Australia. Founded in 2016, they have about 8 employees that serve clients in a variety of industries. Services include commercial financing, ERP consulting, and accounting.
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204$25,000+2 - 9 employeesFairfield, CARead More
Ideas Factory US is a custom software development company established in 2014. Based in Fairfield, California, their small team focuses on custom software development, enterprise app modernization, IT strategy consulting, cloud consulting & SI, and more.
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205Undisclosed50 - 249 employeesSanta Monica, CARead More
Nextware Technologies is a development agency based in Santa Monica, Calif., with another office in Valencia, Spain. Since 2006, the agency and its team of fewer than 10 have provided expertise in web, custom software, and mobile app development, web design, UX/UI design, and IT managed services.
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LandorIndustries
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206$5,000+10 - 49 employeesSacramento, CARead More
Konnectryx is a small Sacramento, California-based software development firm. They offer custom software development, CRM consulting and SI, e-commerce development, and cloud consulting & SI and were launched in 2012.
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207$5,000+2 - 9 employeesIrvine, CARead More
UNIFAGE, an unified communications consulting & SI company, was established in 2018. Their small team is based in Irvine, California and specializes in unified communications consulting & SI, CRM consulting and SI, web design, video production, and more.
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208$50,000+250 - 999 employeesLaguna Beach, CAMidsize software development company Datamam, is headquartered in Laguna Beach, California. Founded in 2006, the team focuses on Custom Software Development, Market Research, BI & big data consulting & SI, and Artificial Intelligence.Read More
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209$10,000+50 - 249 employeesMountain View, CARead More
Sysvine Technologies is a software engineering service provider founded in 2000. Based in Chennai, India, the team of 100+ specializes in custom software development, cloud consulting & SI, and ERP consulting & SI.
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Peloton Blockchain -
210$5,000+10 - 49 employeesLos Angeles, CASmartistack is a small Computer Engineering company. Headquartered in Los Angeles, California, the agency was launched in 2016. Their services include Computer Engineering, IT strategy consulting, IT managed services, and IT staff augmentation.Read More
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