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JTG Systems
Computer Repair Services Experts
Looking for Computer Repair Services?
Same-day computer repair, data recovery, cybersecurity, and managed IT backed by 1,100+ five-star reviews.
We are the highest-rated computer company in Niagara.
JTG Systems keeps Niagara businesses and families running with expert hardware repairs, data protection, onsite support, and digital strategy. Free diagnostics, transparent pricing, and a 90-day workmanship warranty on every service.
Same-Day DiagnosticsFull-Service IT90-Day Warranty
Walk-ins welcome. Drop by our shop or schedule onsite/remote support that fits your calendar.
Trusted Tech Support for Niagara
Since 2005, JTG Systems has repaired and optimised technology for homes, classrooms, storefronts, and enterprise teams across the region. We combine manufacturer-grade tooling with practical workflows that keep your organisation moving.
Whether you need emergency data recovery, onsite computer repair, managed IT, or growth-focused digital marketing, our local specialists are ready to help—same day when it matters most.
How we work
- Free diagnostics and transparent estimates before any repair or project begins.
- Expert technicians for Windows, macOS, iOS, Android, and enterprise infrastructure.
- 90-day workmanship warranty on every repair with lifetime support for your questions.
20+ Years in Niagara
A local team trusted by 1,100+ five-star reviews, ready for urgent fixes and long-term planning.
All Devices
Desktops, laptops, phones, tablets, gaming systems, and servers—if it has a power button, we service it.
Enterprise Tooling
Clean-room recovery, board-level soldering, managed security, and business-class cloud migrations.
Remote & Onsite
Drop in at our Welland lab, schedule onsite visits, or remote in—we meet you where you are.
Core Services
Computer & Laptop Repair
Diagnostics, hardware repair, and optimisation for Windows PCs, Macs, custom builds, and gaming rigs.
Explore ServiceData Recovery
Clean-room recovery for hard drives, SSDs, RAID arrays, phones, tablets, and every storage medium.
Explore ServiceVirus & Security
Malware removal, endpoint hardening, and ongoing protection for homes and businesses.
Explore ServiceMac & iOS Repair
Expert service for iMac, MacBook, iPhone, and iPad with OEM-grade parts and calibration.
Explore ServiceNetwork & Wi-Fi
Design, installation, optimisation, and troubleshooting for secure wired and wireless networks.
Explore ServiceOnsite & Business IT
Onsite support, managed services, cloud migration, and proactive maintenance for Niagara workplaces.
Explore ServiceSpeciality & Support Services
Need Help Right Now?
Call, visit, or book online—our expert technicians are ready with same-day solutions for Niagara homes and businesses.