Do you offer both repair and managed IT services?

Yes. Supreme Tech provides both consumer repair services (walk-in, same-day) and full managed IT services for businesses including 24/7 monitoring, help desk, and cybersecurity management.

What areas do you serve?

We serve Rancho Cucamonga, Ontario, Fontana, Upland, Claremont, Montclair, Chino, the greater Inland Empire, and all of Southern California for remote services.

IT Services & Technology Solutions — Rancho Cucamonga, CA

Supreme Tech offers a full range of IT services for individuals and businesses in Rancho Cucamonga and the Inland Empire. From walk-in device repairs completed the same day to comprehensive managed IT contracts covering 24/7 monitoring and cybersecurity — we have the expertise and local presence to support your technology needs.

Our certified technicians hold CompTIA A+, Network+, Security+, and Microsoft certifications. We repair all major brands of computers, laptops, phones, tablets, and game consoles. For business clients, we provide outsourced IT departments, cybersecurity frameworks, cloud infrastructure, and compliance support for healthcare, legal, education, and professional services industries.

Business IT Services

Managed IT Services — Complete IT management: 24/7 monitoring, help desk, patch management, vendor coordination, and IT planning for a flat monthly rate.
Cybersecurity — Security assessments, zero-trust implementation, endpoint protection, email filtering, dark web monitoring, and compliance (HIPAA, SOC 2, CMMC).
Cloud Solutions — Azure, AWS, and Google Cloud migration, management, and disaster recovery planning.
Network Support — Business WiFi design, firewall setup and management, VPN, SD-WAN, and structured cabling.
Microsoft 365 — Tenant setup, Exchange migration, Teams, SharePoint, OneDrive, and license management.
IT Consulting — Technology roadmaps, vendor evaluation, IT budget planning, and vCIO advisory services.
Business IT Solutions — All-in-one IT support for small and medium businesses in the Inland Empire.

Repair & Recovery Services

Computer Repair — Desktop and laptop repair for all brands. Free diagnostic, same-day service, 90-day warranty.
Laptop Repair — Screen, battery, SSD, keyboard, and charging port for Dell, HP, Lenovo, Asus, Acer, and all brands.
MacBook Repair — Logic board, screen, battery, liquid damage, SSD upgrades for all MacBook models.
Phone Repair — iPhone and Android screen, battery, charging port, and water damage repair. Done in 30–90 minutes.
Data Recovery — No data, no charge. HDD, SSD, RAID, USB, and phone recovery.
Virus & Malware Removal — Same-day ransomware, spyware, and adware removal with security hardening.
Game Console Repair — PlayStation, Xbox, Nintendo Switch repair — HDMI, overheating, Joy-Con drift.
Tech Support — Remote and walk-in tech support for computers, phones, Wi-Fi, email, and software.

How to Get Service

Walk-in repairs: Visit our shop at 11830 Sebastian Way Ste 103, Rancho Cucamonga, CA 91730. No appointment is required for most repairs. Open Monday–Sunday, 10 AM to 6 PM.

Remote support: Many software issues, virus infections, and configuration problems can be resolved remotely. Call (840) 999-1034 or book online to schedule a remote session.

Business IT assessment: New business clients start with a free IT assessment. We review your current infrastructure, identify risks, and propose a managed IT plan tailored to your business size and budget.

Frequently Asked Questions

What services does Supreme Tech provide? We provide computer repair, laptop repair, MacBook repair, phone repair, tablet repair, game console repair, data recovery, virus removal, managed IT services, cybersecurity, cloud solutions, network support, Microsoft 365 support, and IT consulting.

Do you offer same-day service? Yes. Most device repairs are completed the same day. Walk-ins are welcome for repairs. Business IT assessments are scheduled in advance.

What industries do you serve? We serve businesses in healthcare, legal, professional services, education, manufacturing, retail, and general business across Rancho Cucamonga and the Inland Empire.

Service Area

We serve customers throughout Rancho Cucamonga, Ontario, Fontana, Upland, Claremont, Montclair, Chino, Chino Hills, Rialto, San Bernardino, Riverside, and the greater Inland Empire. Remote IT services are available statewide.

Schedule Free IT Consultation View Repair Services Call (840) 999-1034

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