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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211$1,000+2 - 9 employeesSan Francisco, CARead More
Launched in 2006, matax is an accounting company. They are in San Francisco, California and have a small team. Their services include accounting and business consulting.
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212$1,000+50 - 249 employeesFremont, CARead More
4 Way Technologies is an application development company. They offer mobile app development and were founded in 2012. Their midsize team is in Noida, India and Fremont, California.
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213$5,000+10 - 49 employeesLos Angeles, CAThe Tech Consultants, LLC is an IT managed services company. Located in Los Angeles, California, their small team offers IT managed services and Cybersecurity. The firm was launched in 2006.Read More
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214$10,000+50 - 249 employeesDublin, CAConvergeHub, a CRM consulting and SI company, specializes in CRM consulting and SI and Business Consulting. The firm is in Dublin, California.Read More
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215$1,000+10 - 49 employeesSan Francisco, CAKindrix Group is a small cloud consulting & SI company. The San Francisco, California-based agency was launched in 2025. Their services include cloud consulting & SI, Cybersecurity, Artificial Intelligence, Digital Engineering, and more.Read More
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216$50,000+10 - 49 employeesLos Angeles, CARead More
The Development Factory is a software development firm based in Los Angeles, with a branch office in Toronto. Founded in 2009. With a team of 10, The Development Factory specializes in custom software development, mobile development, product design and more.
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Givsum - Empowering every person to be a force for goodIndustries
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217Undisclosed50 - 249 employeesCupertino, CATechnology Mindz, a midsize CRM consulting and SI company, is in Cupertino, California and Jaipur, India. Their services include CRM consulting and SI and IT managed services.Read More
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218$1,000+10 - 49 employeesSan Ramon, CABased in San Ramon, California, Clare Computer Solutions is an IT managed services company. They provide IT managed services and Cybersecurity and were founded in 1990.Read More
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219$250,000+50 - 249 employeesAliso Viejo, CAEstablished in 2017, CyberProof, a midsize IT strategy consulting company, is located in Aliso Viejo, California. Their services include IT strategy consulting and cloud consulting & SI.Read More
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220$10,000+10 - 49 employeesLos Angeles, CARead More
Launched in 2007, Formula is a IT strategy consulting company. The large team provides IT strategy consulting, BI & big data consulting & SI, cloud consulting & SI, IT staff augmentation, and more. The agency is headquartered in Los Angeles, California.
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221Undisclosed10 - 49 employeesSan Diego, CAXceptional, a cloud consulting & SI company, was established in 2007. The small team provides cloud consulting & SI and IT managed services.Read More
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222$1,000+50 - 249 employeesNapa, CAEndsight is an IT managed services company in Napa, California. They focus on IT managed services and IT strategy consulting and were founded in 2004.Read More
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223$1,000+2 - 9 employeesLos Angeles, CAPike x Digital is a web design agency. They specialize in Web Design, Email Marketing, Search Engine Optimization, Marketing Strategy, and more and were founded in 2016. The agency is headquartered in Los Angeles, California.Read More
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FUSE Media Elios Restaurant Colville Hall Wedding Venue Blake Hall Wedding VenueIndustries
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224$5,000+10 - 49 employeesLos Angeles, CARead More
indusriaLAX is a custom software and application development company based in Los Angeles, Costa Mesa, and San Diego, Calif. Founded in 2012, their team of less than 50 provides big and small businesses through CRM consulting, custom software development, and web development.
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Car Rental Help CenterIndustries
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225$1,000+2 - 9 employeesSan Diego, CAABUSINESS is a cloud consulting & SI company. They provide cloud consulting & SI and CRM consulting and SI and were established in 2019.Read More
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226$1,000+50 - 249 employeesSan Francisco, CARead More
AI Bees is a digital agency in San Francisco. Founded in 2018, they have about 161 employees that serve mostly small-business and midmarket clients in the IT, business, and advertising industries. Services include digital strategy, email marketing, and digital marketing.
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COPADOIndustries
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227$10,000+1,000 - 9,999 employeesWalnut Creek, CAEstablished in 2002, Vaco is a large Brentwood, Tennessee-based IT managed services company. Their team specializes in IT managed services and cloud consulting & SI.Read More
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228$10,000+10 - 49 employeesSanta Cruz, CALaunched in 2017, SuiteCentric is a small Santa Cruz, California-based ERP consulting and SI company. Their services include ERP consulting and SI and CRM consulting and SI.Read More
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229Undisclosed10 - 49 employeesSan Diego, CAStratus10 is a cloud consulting & SI company. The San Diego, California-based team specializes in cloud consulting & SI.Read More
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230$5,000+10 - 49 employeesSan Diego, CACreative Resources Technology Group, an IT managed services company, offers IT managed services and Cybersecurity. The agency is based in Austin, Texas and San Diego, California.Read More
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231$5,000+10 - 49 employeesLos Angeles, CAB3 Media Solutions Inc., a Market Research company, was established in 2014. Their small team is in Los Angeles, California and focuses on Market Research, Digital Strategy, Social Media Marketing, BI & big data consulting & SI, and more.Read More
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Hyundai Motor America Genesis Motor America Mighty Pilates Jiffy.comIndustries
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232Undisclosed1,000 - 9,999 employeesStockton, CAEstablished in 2008, MSRcosmos LLC is an Application Management & Support company. Based in Stockton, California, the team focuses on Application Management & Support and ERP consulting and SI.Read More
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233$1,000+2 - 9 employeesLos Angeles, CARead More
Themis Web Technologies is a software development company based in Los Angeles, California. Founded in 2007, they are a sole proprietorship that provides web development, e-commerce development, custom software development, and enterprise app modernization.
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Incited MediaIndustries
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234$10,000+2 - 9 employeesSanta Cruz, CARead More
Cloud Brigade is a small software development company. In Santa Cruz, California, the firm was founded in 2005. Their team specializes in custom software development, Artificial Intelligence, IT managed services, web development, and more.
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235Undisclosed2 - 9 employeesWalnut Creek, CASmall IT strategy consulting company The Godfather of Tech, Professor Timothy E. Bates, is based in Walnut Creek, California. Founded in 2010, the team provides IT strategy consulting, cybersecurity, business consulting, corporate training & coaching, and more.Read More
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236$50,000+1,000 - 9,999 employeesFremont, CAMilestone Technologies Inc is an IT strategy consulting company. The firm is in Fremont, California and Phoenix, Arizona. Their team specializes in IT strategy consulting and cloud consulting & SI.Read More
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237Undisclosed2 - 9 employeesEncinitas, CARead More
Agency73 is a development shop based in Encinitas, Calif. Founded in 2017, Agency73's team of about 10 employees specializes in providing custom software development, web development, and e-commerce development services for mid-market and enterprise businesses in the healthcare, advertising and IT industries.
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IntuitIndustries
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238Undisclosed50 - 249 employeesLos Angeles, CABased in San Antonio, Texas and Los Angeles, California, Velonex Technologies is an IT managed services company. They focus on IT managed services and Cybersecurity.Read More
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239Undisclosed2 - 9 employeesAnaheim, CARead More
Founded in 2001, Willing Minds is an IT managed services provider based in Anaheim, Calif. They specialize in disaster recovery, help desk, network, and security services.
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240Undisclosed250 - 999 employeesSan Francisco, CARead More
Fastly is an edge cloud platform for developers founded in 2011in San Francisco. With over 900 employees scattered in various international locations, they provide cloud consulting, systems integration, IT consulting, and more.
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WikiHow
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