Guardian InterlockReviews of guardianinterlock.com

These guys John and Matt at Guardian Interlock are the best. Always there to help out and guide you to the right answers. The mobile service is such a great idea and the experiences I've had with it are phenomenal. I had to have a machine swap to another vehicle. Originally was going to happen at my house however the registry took a lot more time than I expected. So I cancelled service to my house, talk to John and he drove all the way to the Braintree registry from Somerville in traffic to be there for me for my machine swap. If it wasn't for the mobile service the swap would never had happened for me. They are the best !!! Thank you so much Matt and John.

Jessica was very helpful and after a bad experience with another provider I am confident this will be better.

I spoke with Tawana about having the device installed. She was was very professional and helpful. She took the time to answer all of my questions as well as make an appointment for me. Thank you!!

Great experience!

People are very nice and helpfull

Amazing Customer service.

Melissa was very helpful

Excellent customer service, very friendly, and thorough! Greatly appreciate the help and understanding from the gentleman I spoke with and his patience with all of my questions!