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.
Jump to Most Reviewed Companies
List of the Best California IT Companies
-
$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.
Industries
-
$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
Industries
-
2011Undisclosed10 - 49 employeesSimi Valley, CAFounded in 2008, Cynergy Solutions, LLC is a CRM consulting and SI and Application Management & Support company. The small team provides CRM consulting and SI and Application Management & Support.Read More
-
2012$25,000+50 - 249 employeesSan Francisco, CASudolabs is an AI firm in Košice, Slovakia; San Francisco, California; San Francisco, California and West Hollywood, California. They offer Artificial Intelligence, AI Consulting, UX/UI Design, IT strategy consulting, and more and were founded in 2017.Read More
Clients
The Expert (https://www.theexpert.com/)Industries
-
2013$1,000+2 - 9 employeesSunnyvale, CASmall big data analytics company VastEdge, is based in Sunnyvale, California and Gurugram, India. Their services include BI & big data consulting & SI and cloud consulting & SI.Read More
-
2014$1,000+2 - 9 employeesLos Angeles, CAWebAngeles LLC, a small web development company, is headquartered in Los Angeles, California. Their services include Web Development and cloud consulting & SI.Read More
Industries
-
2015Undisclosed10 - 49 employeesSan Jose, CARightapp4u is a Content Marketing company. Their small team of employees is in San Jose, California. Their team offers Content Marketing and Search Engine Optimization.Read More
-
2016$10,000+250 - 999 employeesSan Jose, CAInnominds Software Inc. Is an UX agency. The team is located in San Jose, California and Kondapur, India, and their services include UX/UI Design and BI & big data consulting & SI.Read More
Industries
-
2017Undisclosed250 - 999 employeesMenlo Park, CAKumaran Systems is a Menlo Park, California-based Enterprise App Modernization company. Founded in 1991, the team focuses on Enterprise App Modernization and BI & big data consulting & SI.Read More
Industries
-
2018Undisclosed250 - 999 employeesLos Angeles, CARead More
ES99 is a branding company launched in 1999. They are in Chicago, Illinois and have a midsize team. Their services include branding, advertising, direct marketing, market research, and more.
Industries
-
2019$5,000+10 - 49 employeesSolana Beach, CATridea Partners is an ERP consulting and SI company. Launched in 1994, the team specializes in ERP consulting and SI and CRM consulting and SI.Read More
Industries
-
2020$5,000+50 - 249 employeesSan Francisco, CAMillennium Technology Services is a midsize IT managed services company in San Francisco, California and Singapore, Singapore. Their services include IT managed services and IT staff augmentation.Read More
Industries
-
2021$100,000+250 - 999 employeesMountain View, CAIT managed services company Sage IT is located in Frisco, Texas and Kondapur, India. Their services include IT managed services and AI Consulting.Read More
Industries
-
2022UndisclosedFreelancer employeesEscondido, CABeehive Technology Solutions LLC, an IT strategy consulting company, specialize in IT strategy consulting and BI & big data consulting & SI. They were established in 2006.Read More
Industries
-
2023Undisclosed50 - 249 employeesWalnut Creek, CAASD Global-Public Sector is a software development firm in Walnut Creek, California. They specialize in Custom Software Development and ERP consulting and SI.Read More
-
2024$10,000+50 - 249 employeesSan Jose, CAOzonetel Communications is a San Jose, California-based phone answering service. Their services include Call Center Services and CRM consulting and SI.Read More
Industries
-
2025$5,000+10 - 49 employeesSan Francisco, CAFounded in 2007, Snap Tech IT is a cybersecurity company. The company focuses on cybersecurity, cloud consulting & SI, and IT managed services and has a small team.Read More
Industries
-
2026Undisclosed50 - 249 employeesSan Francisco, CAAOE is an e-commerce development company launched in 1999. Their team offers E-Commerce Development and Web Design.Read More
-
2027$25,000+10 - 49 employeesNewport Beach, CARead More
Custom software development company Calder Solutions was launched in 2013. The small team offers Custom Software Development, Mobile App Development, UX/UI Design, IT strategy consulting, and more. The company is in Ada, Michigan and Newport Beach, California.
Clients
AmwayIndustries
-
2028Undisclosed250 - 999 employeesPalo Alto, CAServiceRocket is an IT managed services company founded in 2001. The midsize team provides IT managed services and IT strategy consulting.Read More
-
2029Undisclosed10 - 49 employeesFolsom, CAIMG Advisors LLC is an IT strategy consulting company. Launched in 2008, the company focuses on IT strategy consulting and BI & big data consulting & SI.Read More
-
2030$10,000+50 - 249 employeesEastvale, CALaunched in 2013, Intronsoft is an IT strategy consulting company. Their services include IT strategy consulting and BI & big data consulting & SI.Read More
-
2031Undisclosed50 - 249 employeesPleasanton, CAGenerative AI company Squareshift Technology was founded in 2019. The agency offers Generative AI and BI & big data consulting & SI, and is midsize.Read More
-
2032Undisclosed2 - 9 employeesLos Angeles, CAZiB Consulting Group is an IT strategy consulting and Business Consulting company. They focus on IT strategy consulting and Business Consulting and were established in 1995.Read More
-
2033Undisclosed2 - 9 employeesWalnut, CASmall IT strategy consulting and Business Consulting company Epoch Network, is headquartered in Walnut, California. The team provides IT strategy consulting and Business Consulting.Read More
-
2034Undisclosed2 - 9 employeesWalnut Creek, CAMiller Media - Walnut Creek is a custom software development firm. Founded in 2012, the firm is in Walnut Creek, California. Their services include Custom Software Development and Web Development.Read More
-
2035Undisclosed2 - 9 employeesOakland, CACore Training Solutions is a small Oakland, California-based Cybersecurity and Trucking company. The team provides Cybersecurity and Trucking.Read More
-
2036Undisclosed2 - 9 employeesLos Angeles, CABased in Los Angeles, California, Villac & Valenz is a small software development firm and IT managed services company. Their services include Custom Software Development and IT managed services.Read More
-
2037Undisclosed2 - 9 employeesFillmore, CAKraft & Sons is an IT managed services and web design company. Their small team is based in Fillmore, California. Their services include IT managed services and Web Design.Read More
-
2038Undisclosed2 - 9 employeesDowney, CACody's Technologies is a small Cybersecurity and web design company in Downey, California. Their services include Cybersecurity and Web Design.Read More
-
2039Undisclosed2 - 9 employeesBurlingame, CAData analytics company and app development firm Transiris Corporation was founded in 2012. The team offers BI & big data consulting & SI and Mobile App Development.Read More
-
2040Undisclosed2 - 9 employeesElk Grove, CASarceno Network Consulting is a small IT managed services and web design agency. Launched in 2009, the team provides IT managed services and Web Design.Read More
Featured providers
Get connected with a company for free
Tell us about your project, and we'll match you with vetted companies that meet your requirements.
Get connected with the right company for you
We'll do the work for you – finding and connecting you with service providers that meet your exact requirements.
Schedule ConsultationMost Reviewed IT Services Company in California
Check out an IT Services Company in California with the most new reviews in the past 12 months.
Most Reviewed
IT Services Company
California
- 11 7 new reviews
- 12 7 new reviews
- 13 7 new reviews
- 14 6 new reviews
- 15 5 new reviews
