What certifications do Supreme Tech technicians hold?

Supreme Tech technicians hold certifications including CompTIA A+, CompTIA Network+, CompTIA Security+, and Microsoft certifications. We pursue ongoing training to stay current with evolving technology.

Do you give back to the local Rancho Cucamonga community?

Yes. As a locally owned business, we are committed to Rancho Cucamonga and the Inland Empire. We support local businesses and organizations and take pride in being a trusted technology partner in our community.

About Supreme Tech — Rancho Cucamonga IT Services Company

Supreme Tech is Rancho Cucamonga's locally owned technology services company, founded in 2022. We provide expert managed IT services, cybersecurity, computer repair, phone repair, data recovery, and cloud solutions for businesses and individuals throughout the Inland Empire. Our shop is located at 11830 Sebastian Way Ste 103, Rancho Cucamonga, CA 91730.

Supreme Tech was built on a simple philosophy: deliver enterprise-quality technology service with the responsiveness and personal attention that only a local business can provide. We are not a franchise, not a national chain, and not a call center. When you call Supreme Tech, you speak with our technicians directly. When you bring in a device, you meet the people who will actually repair it. When something goes wrong, we make it right.

Our team holds CompTIA A+, Network+, Security+, and Microsoft certifications and pursues ongoing training to stay current with evolving technology. We serve individuals, small businesses, healthcare providers, law firms, schools, and enterprise clients — bringing the same level of expertise and care to every customer, regardless of the size of the job.

What We Do

Computer Repair — same-day desktop, laptop, and MacBook repair for all brands. Free diagnostic, 90-day warranty.
Phone Repair — iPhone, Samsung, and Android screen, battery, and charging port repair in 30–90 minutes.
Data Recovery — no data, no charge. HDD, SSD, RAID, USB, and phone data recovery.
Managed IT Services — outsourced IT department with 24/7 monitoring, help desk, and strategic planning for businesses.
Cybersecurity — risk assessments, endpoint protection, zero-trust, ransomware protection, and compliance.
Cloud Solutions — Azure, AWS, and Google Cloud migration and management.
Network Support — business WiFi, firewalls, VPN, and 24/7 network monitoring.

Why Customers Choose Supreme Tech

Locally owned and operated in Rancho Cucamonga since 2022 — not a franchise or national chain
4.8 stars · 149+ verified reviews on Google and Yelp from local customers
Same-day service on most repairs — no waiting days for a simple fix
90-day warranty on every repair — if the same problem returns, we fix it free
Transparent flat-rate pricing — you see the estimate before we start any work
Certified technicians: CompTIA A+, Network+, Security+, and Microsoft certified
Walk-ins always welcome · Mon–Sun 10 AM–6 PM
Serving healthcare, legal, professional services, manufacturing, retail, and education

Our Service Area

Supreme Tech serves individuals and businesses throughout Rancho Cucamonga, Ontario, Fontana, Upland, Claremont, Montclair, Chino, Chino Hills, Rialto, Colton, San Bernardino, Riverside, and the greater Inland Empire. Remote IT services and managed IT are available throughout Southern California and beyond.

Frequently Asked Questions

When was Supreme Tech founded? 2022. We are a locally owned and operated business in Rancho Cucamonga, CA.

Is Supreme Tech locally owned? Yes — not a franchise, not a national chain. You work directly with our local team.

What certifications do your technicians hold? CompTIA A+, Network+, Security+, and Microsoft certifications.

Call (840) 999-1034 Contact Us

📍 11830 Sebastian Way Ste 103, Rancho Cucamonga, CA 91730 · 📞 (840) 999-1034 · Mon–Sun 10 AM–6 PM