Find private investigators in Chicago

Are you looking for the most reputable and trusted private investigators serving Chicago, IL. Read reviews from real customers. Post your requirements and get free no obligation estimates.
Verify Investigations provides professional private investigation services in Chicago, specializing in corporate fraud detection, domestic infidelity cases, and missing persons location. Our licensed investigators use advanced surveillance technology and traditional investigative methods to deliver court-admissible evidence. With bilingual staff and nationwide resources, we serve both individual clients and legal professionals across Illinois and Midwest regions.
Video Surveillance Background Checks Missing Persons
Instrumental in recovery Highly recommend Go the extra mile
When you find yourself in a situation that calls for important information that you need help obtaining, turn to the private investigators at Due Process Investigations. Due Process is a privately owned and operated, State of Illinois licensed private investigation agency that offers a wide range of specialized services in the field of private investigation
RGH Investigations is a full-service private investigation agency based in Chicago, IL, offering specialized investigative services since 1956. We provide discreet and professional solutions for legal, corporate, and personal matters, including accident investigations, background checks, and litigation support. Our experienced team delivers actionable intelligence through advanced methodologies and decades of industry expertise.
Accident Investigation Background Checks Surveillance Services
U S Security & Protective Services Inc. provides comprehensive security solutions including commercial protection, personal safety services, and event security. With leadership from experienced law enforcement professionals, we deliver customized security programs for retail locations, industrial facilities, and special events. Our approach combines advanced risk assessment with proactive crime prevention strategies to ensure client safety and satisfaction.
Personal Protection Event Security Internal Investigations
Thorough and professional Well run organization Excellent security service
Not rated yet
MSI Detective Services
50+ Years
Emergency
Not rated yet
MSI Detective Services is a premier private investigation agency based in Chicago, offering discreet investigative solutions since 1959. We specialize in surveillance, fraud detection, computer forensics, and asset investigations for individuals, businesses, and legal professionals. Our team combines decades of experience with advanced technology to deliver accurate, court-ready results.
Surveillance Computer Forensics Asset Investigations