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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1381$1,000+10 - 49 employeesSacramento, CARysysth Technologies is a Sacramento, California-based cloud consulting & SI company. The small firm was launched in 2022. Their team offers cloud consulting & SI, Web Development, Mobile App Development, Artificial Intelligence, and more.Read More
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1382$1,000+10 - 49 employeesBurbank, CAKanusoft LLC. Is a Digital Strategy company. Their small team is located in Burbank, California. Their services include Digital Strategy, Graphic Design, cloud consulting & SI, Web Development, and more. The agency was established in 2013.Read More
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1383$5,000+10 - 49 employeesFremont, CATOPSYNTAX INC, a software development firm, is in Fremont, California. They specialize in Custom Software Development and Enterprise App Modernization and were founded in 2018.Read More
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1384$10,000+10 - 49 employeesOakland, CAHuman Decode is a web development company. They are headquartered in Oakland, California and have small team. They provide Web Development and IT staff augmentation.Read More
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1385Undisclosed10 - 49 employeesTorrance, CAOffsoar, a big data company, was founded in 2012. The team specializes in BI & big data consulting & SI and Web Development.Read More
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1386$1,000+10 - 49 employeesMorgan Hill, CAGreatWorks Technologies is a big data company. The Chennai, India-based team offers BI & big data consulting & SI and Custom Software Development.Read More
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1387Undisclosed10 - 49 employeesSan Francisco, CACodeCones is a cloud consulting & SI company. Based in San Francisco, California, the company offers cloud consulting & SI and Custom Software Development.Read More
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1388$5,000+2 - 9 employeesSanta Ana, CAZetatek LLC, a small web development company, is based in Santa Ana, California and Manila, Philippines. The team specializes in Web Development and Mobile App Development.Read More
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1389$5,000+2 - 9 employeesLos Angeles, CASC Tech is a web design company. Headquartered in Los Angeles, California, the team offers Web Design and Web Development.Read More
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1390$10,000+2 - 9 employeesSan Francisco, CAIntactic is a branding company. The team focuses on Branding and Other Marketing, and the agency is headquartered in San Francisco, California.Read More
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1391$5,000+2 - 9 employeesSacramento, CAMindbox Studios is a small Business Consulting company. Founded in 2006, the team focuses on Business Consulting and Web Development.Read More
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1392Undisclosed50 - 249 employeesSan Jose, CATech.us, Inc, an artificial intelligence development company, is located in San Jose, California. Their services include Artificial Intelligence and Custom Software Development.Read More
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1393Undisclosed10,000+ employeesSan Francisco, CAFounded in 1993, Thoughtworks Software Technologies Ltd is a large Chicago, Illinois-based AI company. Their team offers Artificial Intelligence and IT managed services.Read More
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1394Undisclosed10 - 49 employeesClovis, CAASN Software, a custom software development company, is headquartered in Clovis, California and Oakland, California. They offer Custom Software Development and Web Design.Read More
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1395Undisclosed2 - 9 employeesPico Rivera, CASharpdots is a Commercial Printing company launched in 2000. The team provides Commercial Printing and Direct Marketing and is based in Pico Rivera, California.Read More
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1396Undisclosed50 - 249 employeesSan Francisco, CAPresence is a Digital Strategy company launched in 2012. Their team provides Digital Strategy and Custom Software Development.Read More
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1397$10,000+10 - 49 employeesSan Francisco, CATheBlockBox is a Blockchain company founded in 2018. Their team provides Blockchain and Custom Software Development.Read More
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1398$10,000+2 - 9 employeesIrvine, CANovizant is a cloud consulting & SI company. Their team is in Irvine, California and specializes in cloud consulting & SI and IoT development.Read More
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1399$5,000+2 - 9 employeesTemecula, CACRM consulting and SI company Digital Brand Power is located in Temecula, California and Atlanta, Georgia. They offer CRM consulting and SI and Conversion Optimization and were founded in 2018.Read More
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1400$5,000+2 - 9 employeesLos Angeles, CAIn Los Angeles, California, Sogos Consulting is a Business Consulting company. They focus on Business Consulting and IT strategy consulting.Read More
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1401$1,000+2 - 9 employeesSan Jose, CAObie.ai is a small cloud consulting & SI company founded in 2015. Their team provides cloud consulting & SI and unified communications consulting & SI.Read More
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1402Undisclosed10 - 49 employeesPasadena, CAEstablished in 2014, JNN Group, Inc. Is an artificial intelligence firm. Headquartered in Pasadena, California, the team offers Artificial Intelligence and Compliance Consulting.Read More
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1403Undisclosed50 - 249 employeesNewark, CANVISH Solutions is an Other Digital Marketing company established in 2006. The firm provides Other Digital Marketing and Web Development, and is midsize.Read More
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1404$5,000+50 - 249 employeesPleasanton, CARead More
Custom software development firm Jaxel was launched in 2020. The midsize team provides custom software development, BI & big data consulting & SI, cloud consulting & SI, mobile app development, and more. The company is headquartered in Pleasanton, California.
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1405Undisclosed2 - 9 employeesSan Diego, CAHurrikan Logic is a small SEO company launched in 2013. Their services include Search Engine Optimization and UX/UI Design.Read More
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1406$1,000+2 - 9 employeesSan Diego, CAScale Tech Consulting is an IT staff augmentation company. Based in San Diego, California, the company was established in 2020. Their services include IT staff augmentation and IT strategy consulting.Read More
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1407$1,000+2 - 9 employeesSan Jose, CACWW Group LLC is a web design company. In San Jose, California, the company was launched in 2010. Their services include Web Design and Cybersecurity.Read More
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1408$1,000+2 - 9 employeesSan Francisco, CAHeadquartered in San Francisco, California, cxurious is a small Digital Strategy company. Their services include Digital Strategy and Search Engine Optimization.Read More
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1409$25,000+2 - 9 employeesHermosa Beach, CAPracto Insura is an IT strategy consulting company. Their small team of employees is in Hermosa Beach, California. Their team focuses on IT strategy consulting and Custom Software Development.Read More
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1410$10,000+10 - 49 employeesSan Dimas, CAFounded in 2018, Inlandtek Inc. Is a small social media marketing company. Their team focuses on Social Media Marketing and Content Marketing.Read More
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Check out an IT Services Company in California with the most new reviews in the past 12 months.
Most Reviewed
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