Top 100 IT Services Companies in California
The Best of September 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.
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List of the Best California IT Companies
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1861Undisclosed2 - 9 employeesPleasant Hill, CARevealio, Inc., a software development firm, was launched in 2016. The team specializes in Custom Software Development and IT managed services and is based in Pleasant Hill, California.Read More
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1862Undisclosed2 - 9 employeesBrisbane, CAMagellan USA is a small Brisbane, California-based IT managed services company. Their services include IT managed services and HR Consulting.Read More
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1863Undisclosed2 - 9 employeesCommerce, CAMinorea is a CRM consulting and SI company. They specialize in CRM consulting and SI and Business Consulting and are based in Commerce, California and Cerritos, California.Read More
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1864Undisclosed2 - 9 employeesSan Juan Capistrano, CALocated in San Juan Capistrano, California, SwiftLead is a small web design company. Their services include Web Design and cloud consulting & SI.Read More
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1865$25,000+250 - 999 employeesPleasanton, CASecureKloud , a cloud consulting & SI company, is in Pleasanton, California and Chennai, India. They provide cloud consulting & SI and BI & big data consulting & SI and were launched in 2006.Read More
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1866$50,000+1,000 - 9,999 employeesRoseville, CALocated in Costa Mesa, California; Roseville, California; Boise, Idaho and Denver, Colorado, Synoptek is an IT managed services company. The company offers IT managed services, Enterprise App Modernization, cloud consulting & SI, and IT strategy consulting and is large.The company was launched in 2001.Read More
Clients
Champion Home ExteriorsIndustries
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1867Undisclosed50 - 249 employeesSanta Clara, CAThe X Future Inc is a software development company located in Santa Clara, California and Mumbai, India. The team focuses on Custom Software Development and Mobile App Development.Read More
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UnileverIndustries
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1868Undisclosed2 - 9 employeesStockton, CABusiness Shaper Group Corp is a small IT managed services company located in Stockton, California. The team offers IT managed services and Web Design.Read More
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1869$5,000+10 - 49 employeesAnaheim, CASoftUp Agency is an IT strategy consulting company launched in 2023. In Anaheim, California and Amsterdam, Netherlands, the team focuses on IT strategy consulting and Custom Software Development.Read More
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1870$5,000+250 - 999 employeesSan Francisco, CARead More
Zazmic Inc. is a digital agency that is headquartered in San Francisco with an office Dnipro, Ukraine. It was founded in 2014 and has more than 100 employees who specialize in web development, mobile app development, UX/UI design, mobile & app marketing, and email marketing.
Clients
Rakuten Boostr Valassis UpChooseIndustries
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1871$1,000+Freelancer employeesSolana Beach, CALook Licensing is an IT managed services company. Their small team is located in Solana Beach, California. Their services include IT managed services and IT strategy consulting.Read More
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1872$1,000+50 - 249 employeesLos Angeles, CAMadiff is an artificial intelligence company. Their midsize team is located in Warszawa, Poland; Braga, Portugal; Kraków, Poland and Los Angeles, California. The agency provides Artificial Intelligence, IT managed services, Custom Software Development, Blockchain, and more.Read More
Clients
AWP Polska SP. z o.o.Industries
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1873Undisclosed10 - 49 employeesWest Hollywood, CARead More
SmallGiants is a web development firm in London, United Kingdom. The small firm was founded in 2018. Their team provides web development, ux/ui design, application management & support, advertising, and more.
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1874$10,000+250 - 999 employeesSunnyvale, CASedin Technologies is a custom software development company founded in 2006. They are located in Sunnyvale, California; Chennai, India; Fredericton, Canada and Bengaluru, India and have a midsize team. Their services include Custom Software Development, DevOps Managed Services, BI & big data consulting & SI, IT strategy consulting, and more.Read More
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1875$25,000+50 - 249 employeesSan Jose, CAAimesoft is an artificial intelligence development company. They are located in San Jose, California and Hanoi, Vietnam. Their team provides Artificial Intelligence and Generative AI.Read More
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1876$1,000+250 - 999 employeesLos Angeles, CAIT managed services company The 20 MSP was founded in 1986. The firm offers IT managed services, cloud consulting & SI, unified communications consulting & SI, Cybersecurity, and more and has a midsize team. The firm is based in Plano, Texas; Enterprise, Alabama; Phoenix, Arizona and Phoenix, Arizona.Read More
Clients
The Fratelli GroupIndustries
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1877Undisclosed50 - 249 employeesMilpitas, CAIT strategy consulting company cPacket is headquartered in Portland, Oregon and Milpitas, California. They focus on IT strategy consulting and cloud consulting & SI.Read More
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1878$1,000+250 - 999 employeesMonrovia, CACDNetworks, a Cybersecurity company, was founded in 2000. The team offers Cybersecurity.Read More
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1879Undisclosed10 - 49 employeesFullerton, CASmall SEO services firm Sariya IT, is in Gazipur, Bangladesh; Portland, Oregon; Fullerton, California and Dallas, Texas. They focus on Search Engine Optimization, Pay Per Click, Web Development, Graphic Design, and more and were founded in 2015.Read More
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1880$5,000+10 - 49 employeesSan Diego, CAMedAccess is a small San Diego, California-based Advertising company. The team provides Advertising and Branding.Read More
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1881$10,000+10 - 49 employeesLos Altos, CAAvaamo is an artificial intelligence firm. Founded in 2014, the team focuses on Artificial Intelligence and IoT development. The agency is in Los Altos, California and India.Read More
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1882Undisclosed10 - 49 employeesLos Angeles, CAZobrist Software Group, Inc. Is a Los Angeles, California-based e-commerce development company. Launched in 2000, the team focuses on E-Commerce Development and IT managed services.Read More
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1883Undisclosed10 - 49 employeesConcord, CACRM consulting and SI company SaaScend is based in Concord, California. The team specializes in CRM consulting and SI and Application Management & Support.Read More
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1884Undisclosed10 - 49 employeesFresno, CAMertech Data Systems, Inc. Is a small custom software development firm based in Pembroke Pines, Florida and Fresno, California. The team offers Custom Software Development and cloud consulting & SI.Read More
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1885Undisclosed10 - 49 employeesLos Altos, CAPractical SQA, an Application Testing company, is located in Los Altos, California. Their services include Application Testing and Mobile & App Marketing.Read More
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1886Undisclosed10 - 49 employeesWoodland, CAVarkasa Inc is an Application Testing company based in Woodland, California. Their services include Application Testing and IT strategy consulting.Read More
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1887Undisclosed10 - 49 employeesSan Diego, CAAdvantu is an Application Testing company. Their small team of employees is based in San Diego, California. Their team offers Application Testing and Custom Software Development.Read More
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1888Undisclosed10 - 49 employeesSan Ramon, CARobotics Process Automation company Autocene was launched in 2010. Headquartered in San Ramon, California, the team focuses on Robotics Process Automation and IT strategy consulting.Read More
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1889Undisclosed10 - 49 employeesCosta Mesa, CACrème Collective is a Costa Mesa, California-based branding company. They provide Branding and CRM consulting and SI and were established in 2013.Read More
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1890Undisclosed10 - 49 employeesMilpitas, CACrosslynx US LLC, a custom software development firm, is located in Milpitas, California. They offer Custom Software Development and Application Testing.Read More
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