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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$5,000+50 - 249 employeesGaithersburg, MDRead More
DesignDATA is an IT managed services company. Established in 1979, the midsize agency is headquartered in Gaithersburg, Maryland and Washington, District of Columbia. Their services include IT managed services, IT strategy consulting, cloud consulting & SI, and Cybersecurity.
Industries
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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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1231Undisclosed2 - 9 employeesSan Jose, CAEstablished in 2015, Roustick is a data analytics company. The team provides BI & big data consulting & SI and IT strategy consulting.Read More
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1232$1,000+2 - 9 employeesSacramento, CASpringHive is a web design company based in Sacramento, California. Launched in 2019, the team focuses on Web Design and Web Development.Read More
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1233$1,000+10 - 49 employeesIrvine, CAEstablished in 2008, Montfichet & Company is a small Advertising company. Their services include Advertising and BI & big data consulting & SI.Read More
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1234Undisclosed50 - 249 employeesLos Angeles, CALA Web Experts, a midsize web design agency, is in Los Angeles, California. Their services include Web Design and Graphic Design.Read More
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1235$10,000+10 - 49 employeesSan Francisco, CAIT strategy consulting company Silicon Valley Software Group was launched in 2013. The firm specializes in IT strategy consulting and Artificial Intelligence.Read More
Clients
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1236$100,000+10 - 49 employeesFolsom, CANexyom Consultancy Services Pvt. Ltd. Is a Document Digitization & Management company. Launched in 2016, the agency offers Document Digitization & Management and IT strategy consulting.Read More
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1237$1,000+10 - 49 employeesSan Francisco, CARevGen Genius is a CRM consulting and SI company established in 2022. The company specializes in CRM consulting and SI and Back Office Outsourcing.Read More
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1238Undisclosed50 - 249 employeesWalnut Creek, CALaunched in 1994, Object Edge Inc is a custom software development firm. The team offers Custom Software Development and E-Commerce Development and is in Walnut Creek, California.Read More
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1239$1,000+50 - 249 employeesBakersfield, CATrust Haven Solution is a social media marketing firm. Their team is located in Bakersfield, California and Bakersfield, California and offers Social Media Marketing and Search Engine Optimization.Read More
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1240$10,000+2 - 9 employeesSan Diego, CATeqEngine is an IT strategy consulting company headquartered in San Diego, California. Launched in 2022, the team focuses on IT strategy consulting and cloud consulting & SI.Read More
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1241Undisclosed250 - 999 employeesSan Francisco, CARead More
Hero Digital is a digital customer experience agency from San Francisco with additional offices in Philadelphia, Belleveu, Wash., Plano, Texas, Burbank, Calif. and New York City. It was founded in 2004 and has grown to a team of 214 employees. Hero Digital provides web development, web design, SEO, content marketing, and digital strategy services to mostly large enterprise clients.
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Western DigitalIndustries
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1242$1,000+50 - 249 employeesEastvale, CATechcedence Infosystems Pvt Ltd is a cloud consulting & SI company. Located in Gounder Mills, India and Eastvale, California, the team focuses on cloud consulting & SI and IT staff augmentation.Read More
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1243$1,000+50 - 249 employeesSan Francisco, CAMidsize web design company Exploride Web Design, is based in Bluffdale, Utah and San Francisco, California. Their services include Web Design and Branding.Read More
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1244Undisclosed10,000+ employeesSacramento, CARead More
ModSquad, a public relations company, was founded in 2007. In San Francisco, California, their midsize team offers public relations, IT managed services, IT staff augmentation, and IT strategy consulting.
Clients
Warner BrothersIndustries
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1245Undisclosed50 - 249 employeesLaguna Beach, CAMarket Research company VYNYL was founded in 2013. Based in Laguna Beach, California, the team offers Market Research and Marketing Strategy.Read More
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1246$5,000+250 - 999 employeesBelmont, CAHeadquartered in Belmont, California; Pleasanton, California; North Sydney, Australia and Sharjah, United Arab Emirates, Folio3 is a midsize ERP consulting and SI company. Launched in 2005, the team provides ERP consulting and SI, Mobile App Development, Wearable App Development, Custom Software Development, and more.Read More
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1247$5,000+2 - 9 employeesLa Verne, CAEstablished in 1999, Alchemy Consulting Group is a custom software development firm. Their team focuses on Custom Software Development and other IT consulting and SI.Read More
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1248Undisclosed50 - 249 employeesSan Diego, CATagrem Corp is an UX design company founded in 1999. Their team specializes in UX/UI Design and cloud consulting & SI.Read More
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1249$1,000+10 - 49 employeesEncinitas, CASoulilution is an user experience design agency. The small Encinitas, California-based team offers UX/UI Design and BI & big data consulting & SI. The company was founded in 2015.Read More
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1250$5,000+2 - 9 employeesSanta Clara, CARead More
Accend Networks is an IT network consulting company based in Sta. Clara, Calif. The company, founded in 2011, has a team of more than ten that provides IT managed services to various companies and institutions.
Clients
Florida Armgy Navy Guard -
1251$1,000+50 - 249 employeesSan Diego, CAFounded in 1981, Corporate Technologies is an IT managed services company. Based in Eden Prairie, Minnesota; Fargo, North Dakota; San Diego, California and Ada, Michigan, their midsize team provides IT managed services, cloud consulting & SI, and Cybersecurity.Read More
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1252Undisclosed2 - 9 employeesLos Angeles, CADyn365Pros is a CRM consulting and SI company. Launched in 2011, their team specializes in CRM consulting and SI and Business Consulting.Read More
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1253$1,000+10 - 49 employeesIrvine, CAFounded in 2008, 3DEX is a cloud consulting & SI company. The agency specializes in cloud consulting & SI and Custom Software Development.Read More
Clients
4Smile ContesteeIndustries
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1254$5,000+10 - 49 employeesRoseville, CAShabit Ahtasham Songi is a SEO company. Their team is in Roseville, California. The firm specializes in Search Engine Optimization and Digital Strategy.Read More
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1255Undisclosed50 - 249 employeesAnaheim, CACall center company Infomatic Solutions provides Call Center Services and IT managed services. They were founded in 2009.Read More
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1256$10,000+50 - 249 employeesPleasanton, CA12th Wonder is a cloud consulting & SI company founded in 2012. Based in Pleasanton, California, the team offers cloud consulting & SI and Mobile App Development.Read More
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1257$5,000+10 - 49 employeesEl Segundo, CATallulah is a branding agency. Their small team of employees is headquartered in London, England and El Segundo, California. Their team focuses on Branding and Graphic Design.Read More
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1258$5,000+50 - 249 employeesSanta Monica, CACRM consulting and SI company CloudMasonry was launched in 2018. They are based in Chicago, Illinois; Santa Monica, California and New York, New York and have a midsize team. Their services include CRM consulting and SI.Read More
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1259Undisclosed250 - 999 employeesSan Francisco, CARay Morgan Company is a Business Consulting company. Their midsize team is in San Francisco, California. Their services include Business Consulting and IT managed services.Read More
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1260Undisclosed250 - 999 employeesLos Angeles, CACogent Communications is a Washington, District of Columbia-based data analytics company. They provide BI & big data consulting & SI and IoT development.Read More
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Schedule ConsultationMost Reviewed IT Services Company in California
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