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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31$10,000+50 - 249 employeesSan Diego, CAIn San Diego, California, Managed Solution is an IT managed services company. Founded in 2002, the midsize team provides IT managed services, cloud consulting & SI, Cybersecurity, and unified communications consulting & SI.Read More
Clients
Microsoft, US SMB Champions Club, SMB Marketer of the YearIndustries
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32$5,000+50 - 249 employeesCosta Mesa, CAHelixstorm is an IT managed services company founded in 2007. Their midsize team is in Costa Mesa, California and Temecula, California. Their services include IT managed services, Cybersecurity, IT strategy consulting, and cloud consulting & SI.Read More
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O'NeillIndustries
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33$5,000+10 - 49 employeesLos Angeles, CAThe Tech Consultants, LLC is an IT managed services company founded in 2006. The company offers IT managed services, Cybersecurity, IT strategy consulting, cloud consulting & SI, and more and has a small team.Read More
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34$1,000+10 - 49 employeesConcord, CAPrecision IT Consulting is a small Concord, California-based IT managed services company. They provide IT managed services, IT strategy consulting, and cloud consulting & SI and were established in 2008.Read More
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35$5,000+10 - 49 employeesLos Angeles, CAClearFuze Networks, Inc. Is an IT managed services company launched in 2002. The small team focuses on IT managed services, Cybersecurity, IT strategy consulting, Custom Software Development, and more. The company is in Los Angeles, California.Read More
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36$10,000+50 - 249 employeesBeverly Hills, CARead More
Founded in 2010, Mission is an AWS managed services partner based in El Segundo, Calif. Their team of 83 employees specializes in IT managed services, cloud consulting and SI, and enterprise app modernization.
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Boston Celtics -
37$10,000+10 - 49 employeesSan Francisco, CARead More
Xterra Solutions, an IT managed services company, was founded in 2009. The firm focuses on IT managed services, Cybersecurity, and cloud consulting & SI and has a small team. The firm is in San Francisco, California.
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38Undisclosed50 - 249 employeesCalabasas, CABased in Calabasas, California, Faye is a CRM consulting and SI company. Established in 2010, the midsize team provides CRM consulting and SI, Low/No Code Development, Custom Software Development, and AI Consulting.Read More
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39$5,000+10 - 49 employeesChino, CAVertical IT Solutions is an IT managed services company founded in 2014. Their small team is headquartered in Chino, California and Sacramento, California and offers IT managed services, cloud consulting & SI, unified communications consulting & SI, and Cybersecurity.Read More
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Urban Armor GearIndustries
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40$5,000+10 - 49 employeesEl Segundo, CARead More
Technology Management Concepts is an IT consulting firm based in Marina Del Rey, Calif. it was founded in 1984, and has 38 employees. Technology Management Concepts specializes in ERP consulting & SI, application management & support and CRM consulting and SI.
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RobeksIndustries
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41$1,000+50 - 249 employeesSacramento, CAERP consulting and SI company Satva Solutions was launched in 2013. Their midsize team is in Ahmedabad, India and Sacramento, California. Their services include ERP consulting and SI, Custom Software Development, and IT staff augmentation.Read More
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RenaultIndustries
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42$5,000+10 - 49 employeesRedondo Beach, CARead More
SugarShot is an IT company headquartered in Los Angeles. The company was founded in 2018, and their 11 employees mostly provide IT managed services, specifically security, help desk, disaster recovery, and network segments.
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EaturnaIndustries
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43$5,000+50 - 249 employeesIrvine, CAFounded in 2007, TechHeights - Business IT Services Orange County is an IT managed services company. The midsize team focuses on IT managed services, Cybersecurity, and Compliance Consulting. The firm is based in Irvine, California; Irvine, California and Riverside, California.Read More
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44Undisclosed10 - 49 employeesSan Jose, CARead More
DataEndure is a digital security company based in San Jose, Calif. and founded in 1983. Their team of 36 employees specializes in cybersecurity, cloud consulting, and IT managed services for enterprise and midmarket candidates in the IT, financial services, and healthcare industries.
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DataEndure works with a number of customers across industriesIndustries
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45Undisclosed50 - 249 employeesSan Diego, CARead More
Interlaced.io is a San Diego, California-based IT strategy consulting and IT managed services company. They focus on IT strategy consulting and IT managed services and were launched in 2009.
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46$1,000+50 - 249 employeesSan Francisco, CARead More
MondayCall is a cloud and CRM consulting firm based in San Francisco. Their team of about 150 serves clients of all sizes across a range of industries. Additional services include SI and IT managed services. They were founded in 2009.
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GoogleIndustries
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47Undisclosed10 - 49 employeesCayucos, CARead More
Cloud consulting & SI company HiView Solutions is in Cayucos, California. The small team provides cloud consulting & SI, IT managed services, IT strategy consulting, and IT staff augmentation and was founded in 2016.
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48$1,000+10 - 49 employeesPasadena, CABased in Pasadena, California; Grapevine, Texas and Denver, Colorado, Techmedics is an IT managed services company. The company specializes in IT managed services, IT strategy consulting, Cybersecurity, and cloud consulting & SI and is small.The company was launched in 1999.Read More
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49$50,000+50 - 249 employeesLos Angeles, CARead More
Sidebench is a healthcare product design and software engineering studio founded in 2012 in Los Angeles. With a mid-sized team and enterprise delivery capabilities, we partner with providers, payers and health-tech startups to build HIPAA-minded platforms, patient engagement, EHR interoperability and legacy modernization that reduce data silos and enable real-time clinical workflows.
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Microsoft CorporationIndustries
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50$10,000+10 - 49 employeesBerkeley, CARead More
Beyond the Arc is a data analytics company based in Berkeley, Calif. Founded in 2001 and currently employing about nine people, Beyond the Arc provides a mix of data analytics, IT consulting, and digital marketing services. In particular, they specialize in Business Intelligence (BI), system integration (SI), big data, Artificial Intelligence (AI), and marketing strategy. Their primary clients are enterprises in the financial services industry.
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IBMIndustries
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51$5,000+2 - 9 employeesLos Angeles, CABased in Los Angeles, California, Lead Love is a small CRM consulting and SI company. Founded in 2017, the team offers CRM consulting and SI, IT managed services, Account-Based Marketing, Conversion Optimization, and more.Read More
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SyndesusIndustries
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52$10,000+50 - 249 employeesLos Angeles, CAAppMakers USA, a midsize application development firm, is in Los Angeles, California; New York, New York; San Diego, California and Santa Monica, California. They specialize in Mobile App Development, Artificial Intelligence, IT managed services, UX/UI Design, and more and were established in 2014.Read More
Clients
Los Angeles Apparel Walmart Number Hive NFLIndustries
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53$1,000+10 - 49 employeesIrvine, CARead More
KME Systems is a small IT managed services company launched in 1993. Their services include IT managed services, IT strategy consulting, and cloud consulting & SI. The company is headquartered in Lake Forest, California.
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54$10,000+50 - 249 employeesSan Francisco, CAIn Long Beach, California; Mumbai, India; Earley, England and San Francisco, California, Cymetrix Software is a CRM consulting and SI company. The midsize team focuses on CRM consulting and SI, BI & big data consulting & SI, Custom Software Development, AR/VR development, and more. The company was founded in 2016.Read More
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55$5,000+10 - 49 employeesLos Angeles, CARead More
Headquartered in Redondo Beach, California, IT Accuracy is a cloud consulting & SI company. The small company was launched in 2007. Their team specializes in cloud consulting & SI, IT managed services, cybersecurity, IT strategy consulting, and more.
Clients
Farmer's InsuranceIndustries
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56$5,000+10 - 49 employeesBeverly Hills, CARead More
RGB Projects is an IT services provider based in Beverly Hills, California. Founded in 2006, their team of about 20 work with mainly enterprise and mid-market clients. They specialize in ECM consulting and SI, IT managed services, and application management and support.
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57$5,000+50 - 249 employeesOakland, CARead More
Xantrion is a cybersecurity company. They are in Oakland, California and have a midsize team. The agency offers cybersecurity, IT managed services, cloud consulting & SI, and IT strategy consulting.
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58$10,000+50 - 249 employeesSan Francisco, CAScaleTech Solutions, a custom software development company, was launched in 2017. The agency focuses on Custom Software Development, IT managed services, Mobile App Development, E-Commerce Development, and more and has a midsize team. The agency is in San Francisco, California; Frankfurt am Main, Germany and Ahmedabad, India.Read More
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59$50,000+250 - 999 employeesSan Francisco, CARead More
3Q Digital is a digital marketing and strategic consulting agency headquartered in San Mateo, Calif. with additional offices in San Diego, San Francisco, Chicago, New York, Burlington, Vt., Austin, Texas, and Raleigh, N.C. Their staff consists of over 250 experts in SEO, social media marketing, and analytics.
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Eventbrite -
60$10,000+10 - 49 employeesSan Diego, CARead More
BD Emerson is a cybersecurity company in Richmond, Virginia. The company offers cybersecurity, business consulting, corporate law, and compliance consulting and has a small team.The company was established in 2020.
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