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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2521Undisclosed50 - 249 employeesFremont, CAInput Zero Technologies Pvt. Ltd. Is an IT strategy consulting company. The Fremont, California-based company focuses on IT strategy consulting and cloud consulting & SI.Read More
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2522$25,000+250 - 999 employeesMilpitas, CASoftware development firm Gadgeon Systems Inc. Is headquartered in Milpitas, California; Kochi, India; Aartselaar, Belgium and Kakkanad, India. The midsize company was launched in 2011. Their services include Custom Software Development, Product Design, Mobile App Development, IoT development, and more.Read More
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Kore WirelessIndustries
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2523Undisclosed1,000 - 9,999 employeesOntario, CAFORVIS is an Accounting company established in 1923. Their team offers Accounting and Business Consulting.Read More
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2524Undisclosed250 - 999 employeesLos Angeles, CASaguaro Technology, a cloud consulting & SI company, was established in 1999. The midsize team offers cloud consulting & SI and Custom Software Development.Read More
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2525$5,000+50 - 249 employeesLaguna Niguel, CAMidsize custom software development firm MeGaDev, is in Alicante (Alacant), Spain; Kharkiv, Ukraine; Rīga, Latvia and Zug, Switzerland. They focus on Custom Software Development, Artificial Intelligence, ERP consulting and SI, Web Development, and more and were established in 2017.Read More
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TalentumIndustries
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2526Undisclosed50 - 249 employeesRamona, CAC3IT Solutions is a midsize Ramona, California-based AI firm. The team offers Artificial Intelligence and Robotics Process Automation.Read More
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2527Undisclosed50 - 249 employeesLos Angeles, CALeo Technosoft is a web design agency based in Pune, India and Orlando, Florida. The team specializes in Web Design and Web Development.Read More
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2528$5,000+250 - 999 employeesRedwood City, CAEquinix EMEA, an IT managed services company, focus on IT managed services and IT strategy consulting. They were established in 1998.Read More
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2529Undisclosed250 - 999 employeesSanta Clara, CAIn Santa Clara, California and Islamabad, Pakistan, Emumba is an UX design company. The team offers UX/UI Design and BI & big data consulting & SI.Read More
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2530Undisclosed50 - 249 employeesSan Jose, CAEstablished in 1980, Edvenswa Enterprises is a midsize mobile app development company. Their team offers Mobile App Development and Robotics Process Automation.Read More
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2531$25,000+250 - 999 employeesSan Francisco, CAInnovecs, a software development firm, is based in New York, New York; Kyiv, Ukraine; San Francisco, California and Tel Aviv-Jaffa, Israel. Launched in 2011, the midsize team offers Custom Software Development, DevOps Managed Services, BI & big data consulting & SI, cloud consulting & SI, and more.Read More
Clients
SGNIndustries
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2532$10,000+1,000 - 9,999 employeesSan Jose, CAFounded in 2013, Crest Data is a large Engineering company. Their services include Engineering and Generative AI.Read More
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2533Undisclosed50 - 249 employeesSan Jose, CAXebrium Inc, a midsize custom software development firm, is located in San Jose, California and Pune, India. Their services include Custom Software Development and Enterprise App Modernization.Read More
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2534Undisclosed250 - 999 employeesCupertino, CAWolken Software is an IT strategy consulting company. They are based in Cupertino, California and Bengaluru, India, and their services include IT strategy consulting and IT managed services.Read More
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2535$5,000+1,000 - 9,999 employeesEmeryville, CASeasia Infotech is a custom software development firm in Emeryville, California; Gordon, Australia; Sahibzada Ajit Singh Nagar, India and Edmonton, Canada. Established in 2000, the large team specializes in Custom Software Development, Web Development, Mobile App Development, UX/UI Design, and more.Read More
Clients
HDFC Bank Flipkart CDAC HouseJoyIndustries
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2536Undisclosed250 - 999 employeesRedlands, CACyberTech Systems and Software, Inc is a Cybersecurity company. They offer Cybersecurity and ERP consulting and SI and are located in Oak Brook, Illinois and Redlands, California.Read More
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2537Undisclosed250 - 999 employeesSanta Clara, CATatvic is a business intelligence company. The midsize Ahmedabad, India-based team specializes in BI & big data consulting & SI and Conversion Optimization. The firm was founded in 2009.Read More
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2538Undisclosed50 - 249 employeesRedwood City, CAFounded in 2001, VIT Infotech is a Robotics Process Automation company. Their services include Robotics Process Automation and IT strategy consulting.Read More
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2539Undisclosed250 - 999 employeesFremont, CAFounded in 2000, MicroGenesis Techsoft Pvt. Ltd. Is an IT managed services company. The team provides IT managed services and Robotics Process Automation.Read More
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2540$25,000+1,000 - 9,999 employeesCalabasas, CAProlifics is an ECM consulting and SI company. Launched in 1978, the team focuses on ECM consulting and SI and unified communications consulting & SI.Read More
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2541Undisclosed250 - 999 employeesPalo Alto, CADialog Information Technology is a CRM consulting and SI company. Founded in 1979, the agency provides CRM consulting and SI and ECM consulting and SI.Read More
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National Australia BankIndustries
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2542Undisclosed1,000 - 9,999 employeesSan Ramon, CANous Infosystems, an Application Testing company, was founded in 1996. The large team focuses on Application Testing and Custom Software Development.Read More
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2543$1,000+10,000+ employeesEl Segundo, CAFounded in 1999, FPT Software, a large Digital Strategy company, is in El Segundo, California and Hanoi, Vietnam. Their team focuses on Digital Strategy and cloud consulting & SI.Read More
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2544Undisclosed250 - 999 employeesDublin, CABhavna Corp. Is a Noida, India-based application development firm. Their services include Mobile App Development and DevOps Managed Services.Read More
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2545Undisclosed1,000 - 9,999 employeesRedwood City, CAInformatica is a CRM consulting and SI company based in Redwood City, California and Austin, Texas. They focus on CRM consulting and SI and ERP consulting and SI.Read More
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2546Undisclosed1,000 - 9,999 employeesSan Francisco, CATeneo is a Business Consulting company. They are located in New York, New York and San Francisco, California and have large team. Their services include Business Consulting and Cybersecurity.Read More
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Check out an IT Services Company in California with the most new reviews in the past 12 months.
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