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.
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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2311Undisclosed2 - 9 employeesSan Diego, CASmall Content Marketing company Invata Global Marketing™️, is located in San Diego, California and Austin, Texas. The team offers Content Marketing and Graphic Design.Read More
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2312Undisclosed50 - 249 employeesSan Francisco, CABuzzBoard is a CRM consulting and SI company. The team is in San Francisco, California and Lyndhurst, New Jersey, and their services include CRM consulting and SI and Sales Outsourcing.Read More
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2313$5,000+50 - 249 employeesSan Francisco, CATechnoBrains Business Solutions LLP is a San Francisco, California-based custom software development company. The midsize agency was launched in 2009. Their services include Custom Software Development, Web Development, Artificial Intelligence, AI Consulting, and more.Read More
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2314Undisclosed10 - 49 employeesPleasanton, CAAccessQuint LLC is a Cybersecurity and IT managed services company. Their team is in Wilmington, Delaware and Pleasanton, California and offers Cybersecurity and IT managed services.Read More
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2315Undisclosed1,000 - 9,999 employeesSanta Ana, CAFinance & Accounting Outsourcing (FAO) company Meru Accounting was founded in 2015. Headquartered in Santa Ana, California; Ahmedabad, India; Chicago, Illinois and Boca Raton, Florida, their large team provides Finance & Accounting Outsourcing (FAO), Accounting, ERP consulting and SI, and Tax Law.Read More
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2316Undisclosed50 - 249 employeesSan Francisco, CACloud consulting & SI company ExitCertified provides cloud consulting & SI and Cybersecurity. They were founded in 2001.Read More
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2317Undisclosed1,000 - 9,999 employeesSanta Clara, CASify Technologies Limited is an IT managed services company. They focus on IT managed services and cloud consulting & SI and are based in Chennai, India and Bengaluru, India.Read More
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2318$25,000+1,000 - 9,999 employeesCulver City, CARead More
Keyrus is a digital consulting agency that has been offering BI and Big Data consulting, IT strategy consulting, Cloud consulting, and SI services to their clients in the retail, business services, and financial services industries since 1996. Their 10,000 employees are based out of their offices in London, NYC, LA, D.C., France, and Toronto.
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DannonIndustries
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2319$10,000+250 - 999 employeesAlameda, CAAbsolutdata Analytics is an artificial intelligence company. Their team is based in Alameda, California and Gurugram, India and focuses on Artificial Intelligence and BI & big data consulting & SI.Read More
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2320$5,000+2 - 9 employeesLos Angeles, CARead More
Sacred Cow Studios is a small website development firm headquartered in Los Angeles, California. The team focuses on web development, search engine optimization, mobile app development, web design, and more.
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2321Undisclosed2 - 9 employeesOakland, CALocated in Oakland, California, Palo Colorado Software, LLC is a small custom software development company. Their services include Custom Software Development and UX/UI Design.Read More
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2322Undisclosed2 - 9 employeesSan Diego, CARadinnova is a Supply Chain Management company. The San Diego, California-based firm was founded in 2010. Their services include Supply Chain Management and Robotics Process Automation.Read More
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2323Undisclosed2 - 9 employeesLos Angeles, CAMerchantWords, INC., a pay per click company, was established in 2012. Located in Los Angeles, California, the team provides Pay Per Click and Search Engine Optimization.Read More
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2324Undisclosed2 - 9 employeesSan Diego, CAHang 10 Digital is a SEO agency. Established in 2022, the team provides Search Engine Optimization and Web Design.Read More
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2325Undisclosed2 - 9 employeesLos Angeles, CAHire Highs is a SEO agency. Launched in 2024, the team offers Search Engine Optimization and Social Media Marketing.Read More
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2326Undisclosed250 - 999 employeesIrvine, CARead More
Authority Partners is a software firm based in Irvine, Calif. with more than 250 employees. They are experts in UX/UI design, IT managed services, and custom software development for various clients.
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ArtisIndustries
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2327$5,000+10 - 49 employeesTorrance, CAOmnis Network, a Content Marketing company, was founded in 1999. Based in Torrance, California and , the team offers Content Marketing and Search Engine Optimization.Read More
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2328Undisclosed1,000 - 9,999 employeesSanta Clara, CAATMECS Global Inc is a Market Research company. They provide Market Research and BI & big data consulting & SI and were established in 2013.Read More
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2329Undisclosed250 - 999 employeesNewport Beach, CAExavalu is an IT strategy consulting company. Launched in 2018, the agency offers IT strategy consulting and CRM consulting and SI.Read More
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2330Undisclosed1,000 - 9,999 employeesSan Jose, CACloud consulting & SI company VVDN Technologies specializes in cloud consulting & SI and IoT development. They were launched in 2007.Read More
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2331Undisclosed2 - 9 employeesSan Diego, CABrainwork is a website development firm founded in 2007. Their services include Web Development and Web Design.Read More
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2332$25,000+250 - 999 employeesSan Francisco, CACuelogic Technologies is a software development company. The New York, New York-based team specializes in Custom Software Development and Artificial Intelligence.Read More
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2333$100,000+1,000 - 9,999 employeesOakland, CARead More
CI&T (formerly CINQ Technologies) is software development company based in Curitiba, Brazil with additional offices in Brazil and Miami. Founded in 1992, the team of 271 specializes in custom software development, IT staff augmentation, and UX/UI design. They work primarily with enterprise clients in the transportation and financial services industries.
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SITAIndustries
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2334$50,000+250 - 999 employeesPalo Alto, CARead More
InApp was founded in 2000 and currently has 300+ employees. Headquartered in Trivandrum, India, their services include web development, custom software development, and mobile app development. They also have another location in Palo Alto, Calif.
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2335$10,000+50 - 249 employeesUnion City, CACloudpacer Inc, a custom software development company, specializes in Custom Software Development and Web Development. The company is in Union City, California and Lahore, Pakistan.Read More
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2336$5,000+250 - 999 employeesDanville, CAInfoBeans is a custom software development firm. Founded in 2000, their team offers Custom Software Development and Blockchain.Read More
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2337Undisclosed1,000 - 9,999 employeesPlano, TXRead More
ValueLabs is a global business technology services and solutions provider based in Hyderabad, India with over 25 offices worldwide in the US, Europe, and Asia. Founded in 1997, ValueLabs' team of over 5,000 employees provides non-voice BPO/back office services and voice/call center capabilities.
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2338Undisclosed50 - 249 employeesCape Town, South AfricaFocusPoint International, Inc. Is a midsize Business Consulting company launched in 2011. Their team focuses on Business Consulting and Financial Consulting.Read More
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2339$1,000+50 - 249 employeesSan Bernardino, CAFounded in 2017, Information Process Solutions is a social media marketing firm. The team offers Social Media Marketing and Search Engine Optimization and is located in San Bernardino, California and.Read More
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2340Undisclosed250 - 999 employeesEl Segundo, CACloudEQ is a midsize IT strategy consulting company based in Novi, Michigan and El Segundo, California. The team provides IT strategy consulting and cloud consulting & SI.Read More
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