Our Team & Firm Background
AIS was founded in 1996 by William R. Barrett, a retired Illinois State Police Captain, who has over 35 years of varied and complex investigative experience. The organization has rapidly grown to become the premier investigative agency in the Midwest by placing experienced, professional, and aggressive investigators throughout the area of coverage. The current staff consists of over 40 licensed investigators, who are primarily from investigative backgrounds at the local, state and federal levels.
The clients of Advanced Investigative Services are varied and include law firms, governmental agencies, and large corporations, i.e., Nike, Playboy, Timberland, Polo Ralph Lauren, Lacoste, Rocawear, as well as various insurance companies, numerous workers compensation management companies, and other like companies and organizations. Some investigative efforts, at the request of the client, have been coordinated with law enforcement agencies and have resulted in significant arrests.
Illinois Agency License: 117-000899
Indiana Agency License PD10600004
Kentucky Agency License KYPI-0123
Missouri Agency License-Not Required
24 HOUR SERVICE