You have all the reviews of people who know the products and services of Kellerman Investigations Ltd (Private Detective) around Illinois area.
To this day this business has a rating of 4.9 stars out of 5 and the score has been based on 17 reviews.
As you can read, the average of ratings that it reaches is nearly the best one, and it's based on a high number of reviews, so we may conclude that the assessment is quite faithful. If people have bothered to leave their review when they are pleased, it works.
You know that we don't usually bother to give opinions when they are good and we usually do it only if we've had a problem or issue...
This Private Detective corresponds to the category of Private investigator.