Top 100 IT Services Companies in California
The Best of June 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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1471$5,000+50 - 249 employeesPleasanton, CARead More
Custom software development firm Jaxel was launched in 2020. The midsize team provides custom software development, BI & big data consulting & SI, cloud consulting & SI, mobile app development, and more. The company is headquartered in Pleasanton, California.
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ParsableIndustries
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1472Undisclosed2 - 9 employeesSan Diego, CAHurrikan Logic is a small SEO company launched in 2013. Their services include Search Engine Optimization and UX/UI Design.Read More
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1473$1,000+2 - 9 employeesSan Diego, CAScale Tech Consulting is an IT staff augmentation company. Based in San Diego, California, the company was established in 2020. Their services include IT staff augmentation and IT strategy consulting.Read More
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1474$1,000+2 - 9 employeesSan Jose, CACWW Group LLC is a web design company. In San Jose, California, the company was launched in 2010. Their services include Web Design and Cybersecurity.Read More
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1475$1,000+2 - 9 employeesSan Francisco, CAHeadquartered in San Francisco, California, cxurious is a small Digital Strategy company. Their services include Digital Strategy and Search Engine Optimization.Read More
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1476$10,000+10 - 49 employeesSan Dimas, CAFounded in 2018, Inlandtek Inc. Is a small social media marketing company. Their team focuses on Social Media Marketing and Content Marketing.Read More
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1477$5,000+10 - 49 employeesSan Diego, CACampaign Creators is a SEO services firm. The San Diego, California-based team focuses on Search Engine Optimization and Web Design.Read More
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1478$5,000+10 - 49 employeesMenlo Park, CABrainrider is a Digital Strategy company. They offer Digital Strategy and Content Marketing and were launched in 2010.Read More
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1479Undisclosed10 - 49 employeesSan Jose, CASlingshot Connections is a small Accounting company headquartered in San Jose, California. Their services include Accounting and Staffing.Read More
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1480$10,000+50 - 249 employeesLos Angeles, CABased in Los Angeles, California and Auckland, New Zealand, Duco Consultancy is a big data analytics company. They offer BI & big data consulting & SI and ERP consulting and SI.Read More
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1481Undisclosed10 - 49 employeesSan Martin, CABased in San Martin, California, Corpory is a media planning and buying company. Established in 2022, the team offers Media Planning & Buying and IT strategy consulting.Read More
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1482Undisclosed10 - 49 employeesSan Jose, CATrioSource is a cloud consulting & SI company based in San Jose, California and Los Angeles, California. They specialize in cloud consulting & SI and Custom Software Development.Read More
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1483$1,000+10 - 49 employeesMountain View, CAD3M IT is a social media marketing agency. They were founded in 2023 and specialize in Social Media Marketing and Search Engine Optimization.Read More
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1484$10,000+10 - 49 employeesSan Francisco, CASynaptik, a small Cybersecurity company, is headquartered in San Francisco, California. Their services include Cybersecurity and Artificial Intelligence.Read More
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1485Undisclosed10 - 49 employeesLong Beach, CAWeb development company Bit Tech Solutions was established in 2000. Headquartered in Long Beach, California, the team offers Web Development and cloud consulting & SI.Read More
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1486$5,000+10 - 49 employeesFremont, CAReliova is a cloud consulting & SI company. The team specializes in cloud consulting & SI and Custom Software Development, and the company is located in Fremont, California.Read More
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1487$50,000+10 - 49 employeesCarlsbad, CABig Data Rhino is an artificial intelligence firm. The Carlsbad, California-based company specializes in Artificial Intelligence and AI Agents.Read More
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1488$1,000+10 - 49 employeesSan Diego, CAFounded in 2018, Vander Media Group is an Advertising company. Their services include Advertising and Social Media Marketing.Read More
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1489Undisclosed10 - 49 employeesSan Francisco, CASoftAvail, Inc., a small software development company, is located in San Francisco, California and Sofia City, Bulgaria. The team focuses on Custom Software Development and Mobile App Development.Read More
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1490$5,000+10 - 49 employeesRocklin, CALOJO Marketing is an e-commerce development firm. Based in Rocklin, California, the team specializes in E-Commerce Development and Web Design.Read More
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1491$5,000+10 - 49 employeesWest Hollywood, CARead More
Retail Reinvented is a Los Angeles-based e-commerce management consulting firm founded in 2010 with fewer than 10 members. They specialize in marketing strategy, digital strategy, and web development for small and mid-market firms in the field of e-commerce.
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French Market LanternsIndustries
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1492$50,000+1,000 - 9,999 employeesSan Francisco, CAVention is an IT staff augmentation company. Their large team is in New York, New York; London, England; Marietta, Georgia and San Francisco, California. The company focuses on IT staff augmentation, Custom Software Development, Web Development, Mobile App Development, and more. The company was launched in 2002.Read More
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IBM PayPal pwc IC MarketsIndustries
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1493Undisclosed10 - 49 employeesLos Angeles, CARead More
QualityWorks Consulting Group is a software development company headquartered in Los Angeles with an office in Jamaica. Founded in 2010, the team of 28 specializes in application testing, other IT consulting and SI, and application management and support. They work mainly with small businesses, focusing on financial services, healthcare and medical, and telecommunications.
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dpdIndustries
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1494$1,000+50 - 249 employeesIrvine, CADemandBlue is a CRM consulting and SI company in Irvine, California and India. Launched in 2018, the team specializes in CRM consulting and SI.Read More
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1495$5,000+50 - 249 employeesLos Altos, CAFounded in 2011, Brown Deck Innovations is a software development firm. The team specializes in Custom Software Development and Mobile App Development and is located in Los Altos, California.Read More
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1496Undisclosed2 - 9 employeesAlameda, CASmall big data company and Staffing company DNAK Holdings, is headquartered in Alameda, California. Their services include BI & big data consulting & SI and Staffing.Read More
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1497Undisclosed2 - 9 employeesAlhambra, CAEstablished in 2014, Cascadia Capital Corporations is an IT managed services company. The team specializes in IT managed services and Business Consulting.Read More
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1498Undisclosed2 - 9 employeesRedding, CAObsidian IT is a small Back Office Outsourcing company based in Redding, California. Their services include Back Office Outsourcing and cloud consulting & SI.Read More
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1499Undisclosed2 - 9 employeesLivermore, CAWoll2Woll Software is an IT managed services and mobile app development company launched in 1995. The firm focuses on IT managed services and Mobile App Development.Read More
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1500Undisclosed2 - 9 employeesLivermore, CATri-Valley Internet is an IT managed services company founded in 1995. The company provides IT managed services and IT strategy consulting, and is small.Read More
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