Top 100 IT Services Companies in California
The Best of July 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.
List of the Best California IT Companies
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211$5,000+2 - 9 employeesIrvine, CARead More
UNIFAGE, an unified communications consulting & SI company, was established in 2018. Their small team is based in Irvine, California and specializes in unified communications consulting & SI, CRM consulting and SI, web design, video production, and more.
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212$10,000+50 - 249 employeesMountain View, CARead More
Sysvine Technologies is a software engineering service provider founded in 2000. Based in Chennai, India, the team of 100+ specializes in custom software development, cloud consulting & SI, and ERP consulting & SI.
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Peloton Blockchain -
213$10,000+250 - 999 employeesMilpitas, CARead More
Founded in 2014, Teksun Inc. is a product engineering services company. Their team of around 25 employees is based in San Jose, Calif., with an additional office in Ahmedabad, India. They focus on IoT development, product design, and cloud consulting.
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QEPRIndustries
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214$5,000+10 - 49 employeesSan Diego, CAVideo production agency NANOBOT Group is in San Diego, California and Tallinn, Estonia. The small team provides Video Production, Digital Strategy, Email Marketing, Search Engine Optimization, and more and was established in 2010.Read More
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215Undisclosed10 - 49 employeesCarlsbad, CABased in Carlsbad, California, InterKnowlogy is an AI firm. The small team provides Artificial Intelligence, AI Consulting, AI Agents, Generative AI, and more. The company was launched in 1999.Read More
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216$5,000+10 - 49 employeesLos Angeles, CASmartistack is a small Computer Engineering company. Headquartered in Los Angeles, California, the agency was launched in 2016. Their services include Computer Engineering, IT strategy consulting, IT managed services, and IT staff augmentation.Read More
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217$1,000+10 - 49 employeesSan Francisco, CALaunched in 1998, Help4Access (Microsoft Access Technical Support) is an IT managed services company. The small San Francisco, California-based team offers IT managed services, unified communications consulting & SI, custom software development, and IT staff augmentation.Read More
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218$1,000+10 - 49 employeesLaguna Hills, CATop Pick Designs is a Laguna Hills, California-based. The agency offers and is small.The agency was established in 2023.Read More
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219$1,000+50 - 249 employeesLos Angeles, CALaunched in 2013, Differenz Force is a CRM consulting and SI company. Their services include CRM consulting and SI.Read More
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220Undisclosed250 - 999 employeesSan Ramon, CARead More
Five9 is a cloud-based call center software provider. Their team of about 1,000 employees is based in San Ramon, Calif. Services include CRM, ERP, and IT consulting, as well as voice services. They were founded in 2001.
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DebtCleanseIndustries
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221$25,000+10 - 49 employeesSan Diego, CARead More
NoMoBo is a San Diego-based software company founded in 2017 with more than 10 members. They specialize in custom software, web, and mobile app development services for small and mid-market firms in industries such as real estate, IT, and utilities.
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HOA MessengerIndustries
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222$1,000+10 - 49 employeesSan Ramon, CAHeadquartered in San Ramon, California and Newark, California, Clare Computer Solutions is a small IT managed services company. The team focuses on IT managed services and Cybersecurity.Read More
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223Undisclosed10 - 49 employeesLos Angeles, CARead More
Eachbase is a digital agency that operates out of California. Their main services span branding, SEO, and web development.
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Nino's Pizza AECO Starfish Polo TMSIndustries
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224$5,000+50 - 249 employeesSan Francisco, CAEstablished in 2009, TechnoBrains Business Solutions LLP is a midsize artificial intelligence firm headquartered in Ahmedabad, India and San Francisco, California. Their services include Artificial Intelligence, Custom Software Development, Web Development, Mobile App Development, and more.Read More
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225$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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226$5,000+10 - 49 employeesSan Diego, CACreative Resources Technology Group is an IT managed services company established in 1996. The team specializes in IT managed services and Cybersecurity.Read More
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227$10,000+50 - 249 employeesDublin, CAConvergeHub, Inc., a CRM consulting and SI company, is in Dublin, California. Founded in 2016, the team provides CRM consulting and SI and Business Consulting.Read More
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228$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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229Undisclosed50 - 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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230$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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231$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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232$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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233$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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234$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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235$5,000+2 - 9 employeesSanta Monica, CAPike x Digital is a web design company. Their small team is based in Santa Monica, California. The firm provides Web Design, Email Marketing, Search Engine Optimization, Marketing Strategy, and more.Read More
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FUSE Media Elios Restaurant Colville Hall Wedding Venue Blake Hall Wedding VenueIndustries
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236$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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237$5,000+2 - 9 employeesSan Francisco, CAMATAX is a small Accounting company. They provide Accounting, AI Agents, Business Consulting, and cloud consulting & SI and were established in 2006. The agency is in San Francisco, California.Read More
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238$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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239$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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240Undisclosed10 - 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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