Detectives in Freeport, IL

Comprehensive list of private detective agencies and investigators servicing Freeport, IL.

Business Listings

Stewart & Associates. supplies full-service security and investigative services to guard your business from internal or external threats. Private Investigations - Using state-of-the-art technology, we derive the facts and obtain information needed for worker's compensation claims, insurance investigations, missing persons, criminal defense and other investigations.


Metro Detective Agency is an Illinois licensed and bonded private detective agency. We provide superior quality services and pride ourselves in maintaining outstanding levels of client satisfaction. Our services are performed with the confidentiality, discretion, and professionalism that our customers demand.


When you need a private investigator in Chicago, Illinois to investigate computer forensics, criminal defense, surveillance, background checks, mergers and acquisitions, process service or conduct background checks, VTS should be your choice. In addition to handling investigative matters in the Chicago Metro area we coordinate investigative assignments throughout world.



We provide a comprehensive array of services to the corporate, legal, and insurance sectors, as well as members of the general public. Experienced Professionals Many of our investigators have extensive backgrounds in law enforcement which supplies our agency over 200 years of combined knowledge in local & federal law enforcement.


J. F. Anderson and Associates. is an expert investigative and consulting company that supplies quality and comprehensive expert services to the insurance, corporate, and legal professions in Illinois, Indiana, and Wisconsin. With over 29 years of knowledge in the insurance industry and federal law enforcement, our company helps customers in the prevention, detection and deterrence of suspected fraud,


Advanced Research Group. is an Illinois based licensed and bonded investigative agency. Together our management staff has over fifty years of investigative experience. We are a privately held and locally managed company, which enables us to supply customer service which is unparalleled in our industry.


Graybeard Investigations provides a huge range of solutions for both individual and professional settings. Graybeard Investigations works largely in the western Illinois and eastern Iowa area, basing out of the Quad Cities Rock Island, IL; Moline, IL; Bettendorf, IA; and Davenport, IA.


The premier complete service agency. Echo's foremost attention is directed to the Client's need of proper security function, and the need for accurate fact finding in all investigations. Echo's customers include attorneys, municipalities, major corporations, independent businesses, and services to the private personal.