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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1261Undisclosed250 - 999 employeesElk Grove, CAInterwest Consulting Group Inc is an IT managed services company. Their team is headquartered in Elk Grove, California. The agency provides IT managed services and Commercial Financing.Read More
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1262Undisclosed250 - 999 employeesVentura, CAVSolvit, a custom software development firm, was established in 2006. The agency provides Custom Software Development and Cybersecurity, and is midsize.Read More
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1263Undisclosed250 - 999 employeesPalo Alto, CADenodo, an artificial intelligence company, offer Artificial Intelligence and BI & big data consulting & SI. They were established in 1999.Read More
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1264Undisclosed250 - 999 employeesSunnyvale, CAMaantic Inc is a midsize web design company launched in 2009. Their team specializes in Web Design and UX/UI Design.Read More
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1265Undisclosed250 - 999 employeesDublin, CAFounded in 2004, TRUGlobal is a midsize IT strategy consulting company. Their team provides IT strategy consulting and BI & big data consulting & SI.Read More
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1266Undisclosed250 - 999 employeesSan Francisco, CAAmplitude is a big data company founded in 2012. In San Francisco, California, the team offers BI & big data consulting & SI and Application Testing.Read More
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1267$1,000+10 - 49 employeesFremont, CARead More
Application development company Encasulate Consultancy INC is in Fremont, California. The small firm was established in 2013. Their services include mobile app development, web development, IT strategy consulting, cloud consulting & SI, and more.
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1268Undisclosed10 - 49 employeesIrvine, CAMLC and Associates, a Business Consulting company, was established in 1987. The company offers Business Consulting and ERP consulting and SI.Read More
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1269$1,000+50 - 249 employeesSanta Monica, CACalltastic is a Business Consulting company located in Santa Monica, California. The team specializes in Business Consulting and Call Center Services.Read More
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1270Undisclosed250 - 999 employeesMountain View, CABloomreach is a Conversion Optimization company. The midsize Mountain View, California-based team focuses on Conversion Optimization and E-Commerce Development. The agency was launched in 2009.Read More
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Albertsons Bosch FC Bayern München PumaIndustries
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1271$1,000+1,000 - 9,999 employeesAhmedabad, IndiaRead More
Mavlers is a SEO company established in 2012. Their large team is in Ahmedabad, India; Surry Hills, Australia and San Jose, California. The agency provides Search Engine Optimization, Email Marketing, Web Development, Social Media Marketing, and more.
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1272$25,000+10 - 49 employeesSan Jose, CADataFluent is a custom software development firm. Located in San Jose, California, the agency focuses on Custom Software Development and BI & big data consulting & SI.Read More
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1273$25,000+10 - 49 employeesMountain View, CAGlobal Engineering is a custom software development firm. Their team is based in Mountain View, California. The firm offers Custom Software Development and UX/UI Design.Read More
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1274Undisclosed10 - 49 employeesCerritos, CAEztechstack is a cloud consulting & SI company. Located in Cerritos, California, their team focuses on cloud consulting & SI and Web Development.Read More
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1275$25,000+10 - 49 employeesCampbell, CAANearShore Partner, an IT staff augmentation company, was founded in 2022. The team focuses on IT staff augmentation and Custom Software Development.Read More
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1276$5,000+10 - 49 employeesOntario, CAEstablished in 2021, Xel Advisors is a branding company. The team provides Branding and Social Media Marketing and is based in Ontario, California and Orlando, Florida.Read More
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1277$1,000+10 - 49 employeesRancho Cucamonga, CAGENIUSBOTS is a Cybersecurity company. Established in 2023, the team offers Cybersecurity and Content Marketing. The agency is headquartered in Rancho Cucamonga, California.Read More
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1278$1,000+10 - 49 employeesSacramento, CAKSVA Tech Solutions is a small CRM consulting and SI company. Launched in 2021, the team specializes in CRM consulting and SI and IT managed services.Read More
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1279$10,000+10 - 49 employeesLos Angeles, CAFounded in 2014, ClearMatrix is an AI firm. The firm specializes in Artificial Intelligence and AI Consulting.Read More
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1280$1,000+50 - 249 employeesSanta Clara, CAPathloft is a Digital Strategy company. They specialize in Digital Strategy and Social Media Marketing and were established in 2022. The firm is located in Santa Clara, California.Read More
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1281Undisclosed10 - 49 employeesFolsom, CASmall Business Consulting company Kiefer Consulting, Inc., is located in Folsom, California. The team focuses on Business Consulting and BI & big data consulting & SI.Read More
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1282$1,000+10 - 49 employeesAnaheim, CAQuadra Digital Solutions is a small social media marketing firm. Established in 2018, the agency is based in München, Germany and Anaheim, California. Their team provides social media marketing, content marketing, email marketing, conversion optimization, and more.Read More
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1283$25,000+50 - 249 employeesSan Francisco, CAEstablished in 2007, Originate, Inc. Is a software development company. Located in San Francisco, California, the team provides Custom Software Development and Mobile App Development.Read More
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1284$10,000+50 - 249 employeesSan Francisco, CAProximity Works is an AI development company located in San Francisco, California and Palo Alto, California. They provide Artificial Intelligence and Generative AI and were launched in 2019.Read More
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Nasdaq ESPN Disney+ HotStarIndustries
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1285$25,000+2 - 9 employeesLos Angeles, CATriumph Strategic Consulting is an IT staff augmentation company. The Los Angeles, California-based company was established in 2015. Their team provides IT staff augmentation and Business Consulting.Read More
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1286$1,000+10 - 49 employeesAntioch, CASkyllect Private Limited, a web development company, is located in Antioch, California and Surat, India. The firm offers Web Development, Mobile App Development, E-Commerce Development, UX/UI Design, and more and has a small team.The firm was established in 2021.Read More
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OpenCoast B2B MarketplaceIndustries
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1287$1,000+10 - 49 employeesSan Ramon, CATophat Software Pvt Ltd, a web development firm, was established in 2018. The firm provides Web Development and E-Commerce Development, and is small.Read More
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1288$5,000+2 - 9 employeesBurbank, CAFounded in 2021, Qeystroke is an IT staff augmentation company. Their team provides IT staff augmentation and IT strategy consulting.Read More
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Doosan GridTechIndustries
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1289$1,000+10 - 49 employeesSan Jose, CAConverter Tools is a Direct Marketing company. Their small team of employees is headquartered in San Jose, California and Noida, India. Their team specializes in Direct Marketing and Market Research.Read More
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1290$25,000+10 - 49 employeesSanta Monica, CAVision & Hope is a Business Consulting company. Located in Santa Monica, California, the firm was launched in 2008. Their services include Business Consulting and IT strategy consulting.Read More
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