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JTG Systems
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JTG Systems
John Gallie has helped Niagara residents and businesses with their technology since 2005. You get practical options and a clear explanation before any work begins.
John Gallie
Owner & Technician
Helping grandparents, parents, and children across Niagara with laptops and desktops—backed by a clean police clearance certificate and award-winning service since 2005.
Customer Reviews
5-star reviews and counting
Serving Niagara
The year JTG Systems opened in Welland.
Readers' Choice award winner in Niagara.
Our History
JTG Systems has helped Niagara residents and businesses since 2005. We give clear answers, explain what is worth repairing, and stand behind our work.
John begins three years of infantry service and training.
John starts the business after graduating from Police Foundations.
JTG Systems is recognized among Welland's top computer repair businesses.
The business passes 1,000 reviews and receives Readers' Choice awards.
Trusted by Niagara families for more than a decade—now helping multiple generations with the next computer, repair, or upgrade.
Before the repair
We explain the likely problem and the options.
Before any work
You know the price and decide whether to proceed.
After pickup
You can call us if you still have a question.
John founded JTG Systems in 2005 and still handles repairs, troubleshooting, and customer service. He explains technical problems in plain language and helps customers choose the option that makes sense.
Born in St. Catharines, John developed a passion for computers at a young age. After graduating from Police Foundations in 2005, he applied his investigative training to the world of technology.
I've maintained a clean police clearance certificate since starting JTG Systems in 2005, and it was renewed this year.
Read full professional bio2002–2005
In 2002, John joined the Lincoln and Welland Regiment as an infantry soldier. He completed three years of training before starting JTG Systems.
The Lincoln and Welland Regiment
Local Connections
Crime Stoppers of Niagara is among the local organizations that have used JTG Systems. John has also supported students completing technology practicums.
You should know what is wrong, what the repair will cost, and whether fixing the device makes sense.
We explain the work before it starts.
If replacement makes more sense, we will say so.
Questions do not stop when you leave the shop.
Authorized Partner
Here when you need us
Tell us what is happening. We will explain the next step and give you a clear estimate.