About Us
Marshall Investigative Group is a full-service investigative agency headquartered in Chicago, with regional offices nationwide. With over 30 years of experience. Marshall Investigative Group is a leader in fraud investigations across the United States, Canada, and Mexico. We specialize in disability, liability, bodily injury, and workers’ compensation cases. Utilizing the latest technologies, we deliver comprehensive solutions that save our clients millions annually. Our expertise spans surveillance, research, SIU, and internet-based investigations, consistently exceeding expectations with confidential, expert services.
At Marshall Investigative Group our goal is to “exceed your expectations”.









