Top 100 IT Services Companies in San Diego
The Best of December 2025Looking for a top IT services company in San Diego?
Businesses today need technology, including small businesses. This means they also need professional IT support. It is an essential role in any organization, big or small. This list of the leading IT companies in San Diego will make you rethink not having an IT support team. You can browse these companies' portfolio items, client feedback, and company descriptions. You can tell us more about your project so that we can recommend the right company for you.
List of the Best San Diego IT Companies
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$5,000+50 - 249 employeesGaithersburg, MDRead More
DesignDATA is an IT managed services company. Established in 1979, the midsize agency is headquartered in Gaithersburg, Maryland and Washington, District of Columbia. Their services include IT managed services, IT strategy consulting, cloud consulting & SI, and Cybersecurity.
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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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211Undisclosed2 - 9 employeesCarlsbad, CACPO Consulting LLC is a Carlsbad, California-based IT strategy consulting company. Established in 2007, the team offers IT strategy consulting and Business Consulting.Read More
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212$5,000+10 - 49 employeesTemecula, CAAdrian Lamo Ethical Hack is a Cybersecurity company founded in 1998. Located in Temecula, California and Temecula, California, the team specializes in Cybersecurity and IT strategy consulting.Read More
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213Undisclosed2 - 9 employeesCarlsbad, CAFounded in 1999, Lynch Interactive, Inc. Is a business intelligence company. The agency provides BI & big data consulting & SI and IT managed services.Read More
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214Undisclosed10 - 49 employeesVista, CALaunched in 2003, Cognetic Technologies is a custom software development firm. Their services include Custom Software Development and Web Development.Read More
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215Undisclosed2 - 9 employeesSan Diego, CARadinnova is a Supply Chain Management company. The San Diego, California-based firm was founded in 2010. Their services include Supply Chain Management and Robotics Process Automation.Read More
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216Undisclosed10 - 49 employeesFallbrook, CAShopify FX, a small Advertising company, is located in Fallbrook, California. Their services include Advertising and Branding.Read More
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217Undisclosed2 - 9 employeesOceanside, CASoftware development firm Expeditionary Technical Solutions, Incorporated is in Oceanside, California. They provide Custom Software Development and Application Management & Support.Read More
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218$1,000+10 - 49 employeesTemecula, CAProgeektech Marketing is a web design company. They are based in Temecula, California and have a small team that specializes in Web Design, Search Engine Optimization, Digital Strategy, Conversion Optimization, and more. The agency was launched in 2013.Read More
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219Undisclosed2 - 9 employeesCarlsbad, CALaunched in 2020, QADeputy is an Application Testing company. The team provides Application Testing and API Development.Read More
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220$1,000+2 - 9 employeesTemecula, CACybersecurity and IT managed services company Unique Solutions MSP, Inc. Focuses on Cybersecurity and IT managed services. They were founded in 2015.Read More
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221$1,000+2 - 9 employeesTemecula, CAIronguard IT is an IT strategy consulting company. Launched in 2024, the team provides IT strategy consulting and cloud consulting & SI.Read More
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222$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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223$1,000+2 - 9 employeesTemecula, CAMoore Technology Partners is an IT strategy consulting company launched in 2025. The small team provides IT strategy consulting and unified communications consulting & SI.Read More
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224$5,000+2 - 9 employeesSan Clemente, CAEstablished in 2018, Cloud Advisors Inc is a cloud consulting & SI and other IT consulting and SI company. The agency specializes in cloud consulting & SI and other IT consulting and SI.Read More
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225Undisclosed250 - 999 employeesSan Clemente, CABluewave Technology Group is an IT strategy consulting company. Launched in 2021, the firm specializes in IT strategy consulting and cloud consulting & SI.Read More
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226Undisclosed2 - 9 employeesMurrieta, CAJust Smart Business Technologies, Inc. Is an IT managed services company established in 1988. Their team provides IT managed services and Cybersecurity.Read More
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227Undisclosed10 - 49 employeesTemecula, CALaunched in 1996, Umetech, Inc. Is a small IT strategy consulting company located in Temecula, California. Their team provides IT strategy consulting and cloud consulting & SI.Read More
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228Undisclosed2 - 9 employeesMurrieta, CATriune InfoTech is a cloud consulting & SI company established in 2025. Their team offers cloud consulting & SI and Cybersecurity.Read More
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229$5,000+2 - 9 employeesTemecula, CACRM consulting and SI company Digital Brand Power is located in Temecula, California and Atlanta, Georgia. They offer CRM consulting and SI and Conversion Optimization and were founded in 2018.Read More
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230$10,000+2 - 9 employeesLaguna Niguel, CARead More
Red Spider Security is a small cybersecurity company based in Laguna Niguel, California. The team provides cybersecurity, IT strategy consulting, and IT managed services.
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231$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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232$25,000+250 - 999 employeesAliso Viejo, CAEstablished in 2009, ITRex is an artificial intelligence development company. The firm focuses on Artificial Intelligence, BI & big data consulting & SI, Custom Software Development, IoT development, and more and has a midsize team.Read More
Clients
Dollar Shave ClubIndustries
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233Undisclosed2 - 9 employeesTemecula, CAMap Ranking is a social media marketing agency. Founded in 2023, the agency specializes in Social Media Marketing and Search Engine Optimization.Read More
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234$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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235$1,000+2 - 9 employeesLaguna Beach, CARead More
Established in 2022, Salesautomators is a CRM consulting and SI company. They are headquartered in Laguna Beach, California and have a small team. The company offers CRM consulting and SI, IT strategy consulting, other IT consulting and SI, business consulting, and more.
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236$1,000+Freelancer employeesAliso Viejo, CARead More
BlairSammons.com is an IT consulting agency based in Aliso Viejo, Calif. BlairSammons.com specializes in IT strategy consulting, software integration, hardware installations, IT managed services and more.
Clients
VeracityColab.comIndustries
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237Undisclosed10 - 49 employeesMurrieta, CACloudforia is a CRM consulting and SI company. Their small team is in Murrieta, California and offers CRM consulting and SI. The company was founded in 2019.Read More
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238Undisclosed50 - 249 employeesMurrieta, CAMPS International, a Cybersecurity company, is in Murrieta, California. They focus on Cybersecurity.Read More
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239Undisclosed10,000+ employeesAliso Viejo, CAUST is a Market Research company. The team is based in Aliso Viejo, California, and their services include Market Research and Digital Strategy.Read More
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240$1,000+Freelancer employeesSan Clemente, CARithmatics is a software development firm. In San Clemente, California, their small team specializes in Custom Software Development and Web Development. The company was established in 2014.Read More
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