Top 100 IT Services Companies in California
The Best of February 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.
Jump to Most Reviewed Companies
List of the Best California IT Companies
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631Undisclosed2 - 9 employeesHuntington Beach, CASurf City Systems is an IT strategy consulting company. The Huntington Beach, California-based team offers IT strategy consulting and cloud consulting & SI.Read More
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632Undisclosed2 - 9 employeesRancho Santa Margarita, CAIT managed services company Panoply It Solutions Inc is based in Rancho Santa Margarita, California. The team specializes in IT managed services and cloud consulting & SI.Read More
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633Undisclosed10 - 49 employeesSan Diego, CAImpel Consulting is a CRM consulting and SI company. The team is headquartered in San Diego, California and Irvine, California, and their services include CRM consulting and SI.Read More
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634$1,000+10 - 49 employeesLaguna Hills, CAProTechtion IT is an IT managed services company. They are in Laguna Hills, California. Their team focuses on IT managed services and cloud consulting & SI.Read More
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635$5,000+10 - 49 employeesLos Angeles, CANorth Blue Networks, a Cybersecurity company, was established in 1998. The team specializes in Cybersecurity and IT managed services.Read More
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636Undisclosed10 - 49 employeesPaso Robles, CAWTC Business Technology Services is a small IT managed services company. They focus on IT managed services and Cybersecurity and were established in 2012.Read More
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637$1,000+2 - 9 employeesSan Diego, CAEstablished in 2008, SD IT Service is an IT strategy consulting and IT managed services company. The team provides IT strategy consulting and IT managed services.Read More
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638$100,000+250 - 999 employeesIrvine, CAIT strategy consulting company Prophecy Technologies focuses on IT strategy consulting and Cybersecurity. They are located in Irvine, California.Read More
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639Undisclosed10 - 49 employeesLos Angeles, CAYavda Analytics Private Limited is a business intelligence company. Founded in 2018, the team offers BI & big data consulting & SI.Read More
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640$10,000+10 - 49 employeesCulver City, CAIT managed services company IT Training & Consulting, Inc (ITTC) was established in 1997. The company specializes in IT managed services and Cybersecurity.Read More
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641$1,000+10 - 49 employeesLos Angeles, CAPurple Shield Security is a Cybersecurity company. They are located in Los Angeles, California and have small team. They offer Cybersecurity and Compliance Consulting.Read More
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642Undisclosed10 - 49 employeesCarlsbad, CACybersecurity company Intersectis is based in Carlsbad, California. Their services include Cybersecurity and Digital Strategy.Read More
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643$5,000+10 - 49 employeesFremont, CAProkopto is a small IT strategy consulting company headquartered in Fremont, California. The team offers IT strategy consulting and cloud consulting & SI.Read More
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644$1,000+10 - 49 employeesWalnut Creek, CARooted Software, an IT managed services company, was launched in 2021. The team provides IT managed services and Custom Software Development and is based in Walnut Creek, California.Read More
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645$10,000+10 - 49 employeesSan Jose, CAWhite Box Data is a big data company. Launched in 2023, the team provides BI & big data consulting & SI and AI Consulting. The firm is based in San Jose, California and Charlotte, North Carolina.Read More
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646Undisclosed10 - 49 employeesIrvine, CABB2 Technology Group is a small Irvine, California-based UX design company. The team focuses on UX/UI Design and BI & big data consulting & SI.Read More
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647Undisclosed10 - 49 employeesSan Diego, CASimpletech IT Solutions Inc. Is an IT strategy consulting company established in 2012. Their team provides IT strategy consulting and cloud consulting & SI.Read More
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648$1,000+2 - 9 employeesSan Francisco, CACarezian, Inc. Is a Cybersecurity company founded in 2021. The small team focuses on Cybersecurity and IT managed services.Read More
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649Undisclosed2 - 9 employeesSan Mateo, CAFounded in 2018, TEN31 Technology is a small IT managed services company. Their team offers IT managed services and Web Development.Read More
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650$25,000+10 - 49 employeesNewport Beach, CALYSI is a small IT strategy consulting company. They offer IT strategy consulting and IT managed services and were established in 2018.Read More
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651Undisclosed50 - 249 employeesSan Francisco, CAVector Health Compliance is a Compliance Consulting company. The San Francisco, California-based company specializes in Compliance Consulting and BI & big data consulting & SI.Read More
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652$1,000+10 - 49 employeesFresno, CAKapoor IT Solutions is an IT strategy consulting company. The firm is located in Fresno, California. Their services include IT strategy consulting and IT managed services.Read More
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653$10,000+10 - 49 employeesIrvine, CAEstablished in 2018, Conveyance Solutions is a small Irvine, California-based ERP consulting and SI company. Their team offers ERP consulting and SI and API Development.Read More
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654$10,000+10 - 49 employeesIrvine, CASignalAge is an IT strategy consulting company. The Irvine, California-based team provides IT strategy consulting and cloud consulting & SI.Read More
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655$5,000+2 - 9 employeesLos Angeles, CACRM consulting and SI company SalesX was established in 2022. The team provides CRM consulting and SI and is located in Los Angeles, California.Read More
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656$5,000+2 - 9 employeesLong Beach, CARead More
Radcrafters is a marketing and advertising agency that has been offering marketing strategy, SEO, and web design services to their small business and mid-market clients in the telecommunications, automotive, and real estate industries since 2017. Their 10 employees are based in their Long Beach, Calif. office.
Clients
Safeword CreativeIndustries
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657$1,000+2 - 9 employeesSan Clemente, CARead More
Convuent is a digital marketing company from San Clemente, California. With one employee, their services include SEO, marketing strategy, and social media marketing. Founded in 2018, their clients are often small businesses in the dental, business, and financial services industries.
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658$50,000+50 - 249 employeesSan Jose, CASuccessLink Outsourcing, an answering service company, is based in San Jose, California. The company specializes in call center services, back office outsourcing, customer service outsourcing, finance & accounting outsourcing (FAO), and more and has a midsize team.The company was launched in 2024.Read More
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659$10,000+10 - 49 employeesGold River, CANanoByte Technologies, an IT staff augmentation company, was established in 2015. Their small team is in Gold River, California and offers IT staff augmentation, Custom Software Development, Web Development, IoT development, and more.Read More
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660$5,000+50 - 249 employeesSanta Clara, CALocated in Santa Clara, California, Opallios, Inc. Is a software development firm. They focus on Custom Software Development and BI & big data consulting & SI and were established in 2010.Read More
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Check out an IT Services Company in California with the most new reviews in the past 12 months.
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