RGH Investigations

RGH Investigations is a private investigations firm led by Bob Hanrahan, private investigator serving the Chicago and surrounding areas in surveillance, process serving, pre-trial investigations, background checks, theft, criminal investigations, process serving, locating people and personal injury.

Established in 1956. Since 1956, Chicago, Illinois RGH Investigations is a full service, licensed and highly skilled private investigations firm providing complex intelligence gathering services to law firms, businesses as well as individuals. For over 10 years, Bob Hanrahan has limited his practice to plaintiffs, personal injury attorney and asbestos litigation. We utilize proven technologies along with our expert approach in matters such as personal injury, product liability, environmental, criminal and trademark infringement. Each case is executed by experienced investigators including federal agents, local government and police officials with precision, professionalism and in confidence. All of our private investigators are proficient, discreet and effective utilizing methods that put us at the forefront of Chicago's investigative services. Our team of highly experienced private investigators operates with a vast array of information allowing them to achieve results accurately and reliably.