Hire a Private Investigator in Illinois
Following are private investigators and investigation agencies in the state of Illinois. Before you hire a private investigator in Illinois, contact the appropriate state licensing authority to confirm current license information. To verify a license for the state, please contact the Illinois Department of Financial & Professional Regulation at 320 West Washington Street, 3rd Floor, Springfield, IL 62786.
To learn more about hiring a professional PI firm near you, and get more details on the costs involved, read our article Tips for hiring an investigator.
If you have any questions before you hire a private investigator in Illinois, please let us know.