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.
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List of the Best California IT Companies
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811$1,000+250 - 999 employeesLos Angeles, CATPx Communications is an IT managed services company. They are headquartered in Austin, Texas; Los Angeles, California; Manchester, New Hampshire and Las Vegas, Nevada and have a midsize team that provides IT managed services, Cybersecurity, and unified communications consulting & SI. The firm was founded in 1998.Read More
Clients
The Kraft GroupIndustries
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812$1,000+10 - 49 employeesLos Angeles, CAITColark Consulting is an IT strategy consulting company. Their small team is headquartered in Los Angeles, California. The company offers IT strategy consulting, IT managed services, E-Commerce Development, Mobile App Development, and more.Read More
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813$25,000+10 - 49 employeesBeverly Hills, CAINPoint, a cloud consulting & SI company, provides cloud consulting & SI and Cybersecurity. The firm is based in Beverly Hills, California and Anoka, Minnesota.Read More
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814Undisclosed10 - 49 employeesPalo Alto, CA9bloom Inc. Is a business intelligence company. The Palo Alto, California-based team offers BI & big data consulting & SI and ERP consulting and SI.Read More
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815$5,000+10 - 49 employeesLos Angeles, CATheCoded Inc. Is a cloud consulting & SI company. They were founded in 2019, and their services include cloud consulting & SI and CRM consulting and SI.Read More
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816$1,000+10 - 49 employeesSan Marcos, CAProject Expedite, a Digital Strategy company, was established in 2004. The small team focuses on Digital Strategy and BI & big data consulting & SI.Read More
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817Undisclosed10 - 49 employeesCarlsbad, CALa Costa Telecom, an IT managed services company, was established in 2025. The company focuses on IT managed services and Call Center Services, and is small.Read More
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818$50,000+50 - 249 employeesLos Angeles, CAIT staff augmentation company Elaniin was established in 2014. In Los Angeles, California; San Salvador, El Salvador and Ciudad de México, Mexico, their midsize team offers IT staff augmentation, Custom Software Development, Web Design, Mobile App Development, and more.Read More
Clients
Jostens PapaJohns The Northface 4MCIndustries
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819Undisclosed250 - 999 employeesSan Francisco, CALaunched in 2016, Alpha Cube is an other IT consulting and SI company. The midsize team offers other IT consulting and SI and Branding.Read More
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820$1,000+10 - 49 employeesLaguna Niguel, CASmith Consulting is an e-commerce development company. The team provides E-Commerce Development and Custom Software Development, and the firm is based in Laguna Niguel, California.Read More
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821$5,000+Freelancer employeesLaguna Hills, CAAlfaLINQ Business Solutions, LLC is an e-commerce development company located in Laguna Hills, California. They provide E-Commerce Development and ERP consulting and SI.Read More
Industries
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822$10,000+50 - 249 employeesRiverside, CAIn Riverside, California, Q-vantage is a midsize social media marketing company. Their services include Social Media Marketing and IT strategy consulting.Read More
Clients
The Salvation Army -
823$1,000+2 - 9 employeesSan Francisco, CAGeniusHub, a CRM consulting and SI company, was founded in 2018. They offers CRM consulting and SI and AI Consulting.Read More
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824$10,000+10 - 49 employeesAuburn, CACustom software development firm Specter is in Auburn, California. The company focuses on custom software development, search engine optimization, web development, digital strategy, and more and is small.The company was launched in 2015.Read More
Industries
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825$25,000+50 - 249 employeesSan Francisco, CAFounded in 2012, nClouds Inc. Is a midsize Microservices Architecture Services company. Their team offers Microservices Architecture Services and BI & big data consulting & SI.Read More
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826$1,000+10 - 49 employeesTulare, CAEstablished in 2019, Latest Lead is a data analytics company. The firm offers BI & big data consulting & SI and Business Consulting.Read More
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827$1,000+250 - 999 employeesFremont, CAElsner Store is a Fremont, California-based IT strategy consulting company. The team offers IT strategy consulting and Pay Per Click.Read More
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828$1,000+50 - 249 employeesTorrance, CATGS Trans Global Services is a midsize IT strategy consulting company founded in 2016. Their services include IT strategy consulting and Web Development.Read More
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829Undisclosed2 - 9 employeesRedwood City, CAMoblize.IT LLC is a custom software development company. Launched in 2017, the team focuses on Custom Software Development and Artificial Intelligence. The firm is located in Redwood City, California.Read More
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830$5,000+2 - 9 employeesLos Angeles, CATechonomics, a cloud consulting & SI company, was founded in 2013. The team focuses on cloud consulting & SI and IT strategy consulting.Read More
Industries
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831$5,000+2 - 9 employeesWest Hollywood, CAFounded in 2020, Completing, a small CRM consulting and SI company, is headquartered in West Hollywood, California. Their services include CRM consulting and SI and IT managed services.Read More
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832$10,000+10 - 49 employeesLos Angeles, CARead More
Cloudflex, a custom software development firm, is in Kyiv, Ukraine. The small team specializes in custom software development, mobile app development, web development, Artificial Intelligence, and more. The firm was founded in 2018.
Clients
YazaIndustries
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833Undisclosed10 - 49 employeesSan Francisco, CAMSR Communications is a Content Marketing company launched in 1998. The firm focuses on Content Marketing and Event Marketing.Read More
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834$25,000+10 - 49 employeesBurlingame, CABXGI is a Burlingame, California-based IT staff augmentation company. They provide IT staff augmentation and Custom Software Development.Read More
Industries
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835Undisclosed10 - 49 employeesSan Jose, CAFounded in 2010, Thinking Hut IT Solutions Pvt. Ltd. Is a small custom software development firm. Their services include Custom Software Development and Enterprise App Modernization.Read More
Industries
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836$25,000+250 - 999 employeesSan Diego, CAEffectiveSoft is a midsize AI Agents company. Headquartered in San Diego, California; Wrocław, Poland; San Rafael, Costa Rica and Warszawa, Poland, the company was established in 2003. Their services include AI Agents, Custom Software Development, cloud consulting & SI, Artificial Intelligence, and more.Read More
Industries
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837$5,000+2 - 9 employeesMarina del Rey, CARead More
Cybersecurity company Framework Security was established in 2019. The small Austin, Texas-based team focuses on Cybersecurity.
Clients
Volo SolutionsIndustries
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838$5,000+2 - 9 employeesSan Jose, CAAppeX Technology is a San Jose, California-based custom software development company. They specialize in Custom Software Development and IT strategy consulting and were launched in 2019.Read More
Industries
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839$10,000+50 - 249 employeesSan Diego, CARead More
IT strategy consulting company Meriplex Communications was established in 2001. In Houston, Texas, their midsize team focuses on IT strategy consulting, cloud consulting & SI, cybersecurity, and IT managed services.
Industries
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840Undisclosed50 - 249 employeesBeverly Hills, CACybersecurity company Citrin Cooperman is located in Beverly Hills, California; Los Angeles, California; Livingston, New Jersey and Norwalk, Connecticut. The midsize team specializes in cybersecurity, accounting, IT managed services, business consulting, and more. The company was founded in 1979.Read More
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