reviews on security systems including protection one:These unbiased reviews for Protection One have been submitted by present or former clients. For an alarm company its size, Protection One is rather unique. This is because they do not use an "authorized dealer" program, meaning the technician who installs your alarm is directly employed by Protection One. (We touch on authorized dealer programs here and here). Please note that Protection One has thousands of clients who may (or may not) be happy with their service, and this is only a small sampling of the opinions of their customers.