About Us

We at S.I.A. pride ourselves on our meticulous and thorough approach to an investigation. Our persistence and tenacity are qualities every successful investigator must possess and the main reason our investigators consistently secure video over 75% of the time. From the moment we receive a case until our report is submitted to client we adhere to one simple rule, "Leave no question unanswered". With this in mind, our clients can rest assured that they are receiving a superior product. We seek out the information and activity our clients are interested in knowing.

S.I.A. will provide you with prompt, professional and reliable service. Donald Scott, owner of Stealth Investigative Agency, is a licensed private investigator in four Midwestern States and has been in business for 13 years with over 25 years of experience, primarily in the workers comp surveillance field. We are licensed in Illinois, Indiana, Michigan, and Wisconsin and handle the St. Louis, Missouri area. We have a diversified staff of investigators that enables us to assimilate into any neighborhood or area.

We are confident that you will be satisfied with our attention to detail, persistence and overall quality of our reports & video. We are centrally located in Downers Grove, IL and are very familiar with the greater Chicago Metro area. We guarantee you that when you call and need to speak to the owner he will be available.

About Us


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