Can you provide me the reviews or testimonials of your existing client? If yes, kindly share the details.
Are you willing to give a quote in writing, and are you going to abide by the rates that you are going to specify in it?
Is your company bonded, insured, and licensed? If yes, share the details.
What kind of training and how often does your exterminator receive the training?
How do you select a particular treatment for a specific pest?