Yelp! Exactly what Erica M. said. That's John's work ethic and he sticks to it. Good, Honest and Reliable job, done consistently. One friend endorsed him to me, I've sent others to him. All...

Terrible these people are scammers , i brought my computer in and they returned it the exact same way it was , i got home and messed with it and i fixed it myself, they told me they'll be done in...

Always does a good job and incredibly fast very happy you will be as well.... Support small businesses

I had used another tech company prior to GSI for years but they relocated. Looking on line I found John and GSI and spoke to him about what I needed for my home PC. He took the time to discuss...

John is very knowledgeable and his prices are fair. He treated me and my laptop with respect and care. He works fast and tells you exactly when your machine will be returned to you. Finding a...