Marla Regan
GBNeeds improvement We've been using Sentry for several years and it's apparent that they need to improve upon their product knowledge as well as add more project managers. The constant follow up is an added source of friction. The people are nice but overall there is a lot of room for improvement.
Mickey's Linen
GBSentry Security is easy to work with… Sentry Security is easy to work with and provides good service.
Lake Forest Residence
GBSentry Security Sentry is a full service alarm provider. I have had no issues with installation or service for the past two years.
Whiteco Industries
GBGot us up and running on the new system with no issues. Technician was able to tie into our existing wiring and get us up and running within two visits.
Joanne Burgess
GBThey get it! Nice, helpful, respectful of your time via the service window--great customer service by phone to troubleshoot and assist. No nonsense and no BS. What more could you want?