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JTG Systems
St. Catharines • Garden City
Computer Repair St. Catharines
Downtown offices, Brock students, and Port Dalhousie residents trust JTG Systems for fast, transparent computer repair across St. Catharines.
(905) 892-4555
Walk-ins welcome · Mon–Fri 12PM-6PM
20+
Years Serving Garden City
1,100+
Five-Star Reviews
Same Day
Turnaround Available
90 Day
Warranty
Computer Repair Near Me in St. Catharines
JTG Systems delivers laptop repair, cell phone screen replacement, and business IT support for downtown St. Catharines, Brock University, and surrounding neighbourhoods. Call 905-892-4555 or visit Monday to Friday, 12PM-6PM.
Computer Repair Services in St. Catharines
We’re familiar with James Street start-ups, Queenston medical clinics, and the hustle of students commuting from Thorold. That understanding shapes tech solutions designed for St. Catharines life.
From patient record protection to smart home setups, we provide meticulous diagnostic work, plain-language explanations, and updates that keep you in control.
Walk-in diagnostics minutes from Highway 406
Security-first processes for offices and clinics
Student-friendly pricing with quick turnarounds
Business & Professional
Office networking, cybersecurity, and hardware support for legal, healthcare, and finance teams downtown.
Campus & Research
Fast repairs, data recovery, and workstation tuning for Brock University and Niagara College communities.
Home & Smart Tech
Wi-Fi optimisation, backup strategies, and malware cleanup for families across the North End and Merritton.
St. Catharines Computer Services
Complete repairs, upgrades, and IT support for Garden City.
Laptop & Mac Repair
- Screen, battery, and keyboard replacements
- macOS and Windows troubleshooting
- Liquid spill cleanup with board-level care
Business IT & Networking
- Secure Wi-Fi design for heritage and modern offices
- Microsoft 365 and Google Workspace management
- Backup and compliance plans for regulated industries
Custom Builds & Gaming
- Performance tuning for creative studios
- Gaming PC builds with cable-managed airflow
- SSD migrations to boost older desktops
Cell Phone Repair St. Catharines & Garden City
Need cell phone repair near me in St. Catharines? We replace cracked iPhone screens, fix Samsung charging ports, and revive student smartphones for downtown offices, Queenston clinics, and Brock University housing.
Popular fixes
- Same-day screen repair for iPhone, Samsung Galaxy, and Google Pixel
- Battery swaps for high-use student, medical, and hospitality devices
- Charging port, speaker, and camera repair for business and POS handsets
- Water damage cleanup and data recovery after spills in labs or cafes
Why residents choose us
- 20+ years serving Niagara with consistent, same-day results
- 1,100+ verified five-star Google reviews from residents and businesses
- 2× Readers' Choice Award Winner: Welland (2024) and Diamond Winner in St. Catharines
- Recognized by ThreeBestRated.ca as a top repair business in 2019 and 2024
- Only computer company officially partnered with Crime Stoppers Niagara
- Technicians hold clean police clearance certificates for added trust
- Featured on TV Cogeco as guest speakers on cyber crime prevention
- Official practicum host for ABM College and Trios College cybersecurity programs
Need help now?
Call (905) 892-4555 for same-day smartphone repair scheduling or walk in Monday to Friday, 12PM-6PM. Most cracked screens, battery swaps, and charging port fixes are completed while you wait.
Walk in Monday to Friday, 12PM-6PM—let us know you're visiting from St. Catharines and we'll prioritize the devices that keep your business or household running.
Crime Stoppers Partner
Security-focused repairs trusted by St. Catharines businesses and families.
Community Favourite
Local customers highlight our courteous communication and dependable workmanship.
1,100+ Five-Star Reviews
Niagara residents consistently praise our speed, clarity, and results.
Serving St. Catharines & Surrounding Neighbourhoods
Central & Downtown
- Downtown Core
- Old Glenridge
- Revitalized Queen Street
- Montebello Park
Campus & Waterfront
- Brock University
- Port Dalhousie
- Merritton
- Glenridge
North & West End
- Grantham
- Western Hill
- Bunting Road
- Martindale
Need computer repair in St. Catharines?
Bring your St. Catharines devices to our Niagara Street computer shop in Welland—most fixes are completed while you wait.
(905) 892-4555
Walk-ins welcome · Mon–Fri 12PM-6PM
“They migrated our dental office systems overnight and documented everything for compliance. I can finally focus on patients again.”
- Priya
Frequently Asked Questions - Computer Repair Near Me St. Catharines
Where can I get my computer fixed in St. Catharines?
JTG Systems at 577 Niagara Street in Welland provides expert computer repair for St. Catharines neighbourhoods including downtown, Brock University, Port Dalhousie, and the North End. Call 905-892-4555 for same-day service.
What's the best computer repair near me in St. Catharines?
JTG Systems is St. Catharines' top-rated computer repair service with over 1,100 five-star reviews. We fix laptops, desktops, Macs, and phones with same-day service and a 90-day warranty.
Do you support businesses and medical offices?
Yes. We manage office networks, secure backups, and compliance-friendly repairs for professional services, clinics, and retail shops across St. Catharines.
How much does computer repair cost in St. Catharines?
Repairs start with a free estimate. Most jobs range from $89 to $199 depending on parts and labour, and every repair is backed by a 90-day warranty.
Can you help with student devices near Brock University?
Absolutely. We provide quick-turn repairs, data recovery, and performance tuning for Brock University students and staff year-round.
Do you fix iPhones in St. Catharines?
Yes. We repair iPhone screens, Android devices, and tablets with same-day service. Our mobile repair bench handles cracked screens, battery replacements, and charging port fixes.
How long does laptop repair take in St. Catharines?
Most diagnostics are completed while you wait. Simple repairs like virus removal or screen swaps take 1-2 hours. Complex jobs like data recovery or board repairs may take 1-3 business days.
What warranty do you offer on computer repairs in St. Catharines?
Every repair includes a 90-day workmanship warranty. Parts carry manufacturer warranties. We stand behind our work with free follow-up service for any issues that arise.