Private Investigations and Security Services Since 1998

Choose Orland Park, Illinois' premier agency for all of your security needs

Whether you are in need of investigative services for shady business dealings or video surveillance and security, Investigative Services Agency is here to help. Our fully licensed detective and security agency specializes in a wide range of investigative, security and protection services.

We are affiliated with the World Association of Detectives and the National Council of Investigation and Security Services, and licensed as an associate detective in Illinois, California and Georgia. Our founder, James Miller, is a fully licensed private detective and security contractor with the Illinois Department of Professional Regulation. He founded Investigative Services Agency to provide competent and ethical investigative and security services to assist clients like you. Reach out to Investigative Services Agency for the help you need today.