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GTI - Orange County Managed IT Service & IT Support
Tustin, CA
IT & MSP
GTI provides managed IT, cybersecurity, and cloud services to retail businesses in Irvine, Tustin, and Orange County. They offer proactive 24/7 monitoring and rapid response to ensure systems stay fast, secure, and productive.
★★★★★ 5.0 (5 reviews)
5 Reviews
★★★★★
GTI is outstanding. Their team is knowledgeable, responsive, and genuinely committed to keeping business technology secure and running smoothly. Highly recommend them for reliable IT support and managed services in Orange County.
Kathie Allen  ·  Aug 24, 2026  ·  Google
★★★★★
Used them for years for general IT support across multiple platforms. It was so nice always having support when we needed it. They were pro active on our security which was such a relief - never had issues.
Holly  ·  Jun 20, 2026  ·  Google
★★★★★
We at One Stop Roofing have been working with GTI for over two years. We’ve had a great experience working with GTI. Their team is professional, responsive, and easy to work with. They’ve helped keep our systems secure without making things complicated. Highly recommend their services.
Ali Amini  ·  Mar 26, 2026  ·  Google
★★★★★
We had a wonderful experience with GTI. Ali and his team are extremely knowledgeable and professional, they know the IT and security landscape very well and have given us the peace of mind that we were looking for. They are very pro-active, provided solutions to problems, executed flawlessly, maintained steady service and vigilance, and introduced us to many colleagues that helped us with other adjacent issues. They have been a Godsend.! Couldn't recommend them enough and look forward to working with them for the foreseeable future.
Matt Zar  ·  Feb 6, 2026  ·  Google
★★★★★
As a client of GTI for more than 20 years, I rate them highly on reliability, support and responsiveness. They quickly established essential safeguards including cybersecurity, comprehensive backup and disaster recovery solutions as well as reducing help desk load and end user support issues. If your company is struggling to find a solid, proactive MSP partner, look to Ali and GTI.
Stacy  ·  Dec 9, 2025  ·  Google

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