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Our investigators have 20+ years of combined experience in law enforcement and private investigations
Professional private investigators in Chicago offering discreet surveillance, background checks, and missing persons services for corporate and domestic cases. Serving Illinois and Midwest clients since 2002.
Video Surveillance
Background Checks
Missing Persons
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...
We offer 60+ years of combined investigative experience from our leadership team.
RGH Investigations offers comprehensive private investigation services in Chicago, IL, specializing in accident investigations, background checks, and legal support for over 60 years.
We employ law enforcement veterans with 50+ years combined experience
Trusted security services in Chicago since 2020. U.S. Security & Protective Services offers commercial security, event protection, and investigative consulting with 24/7 coverage.
Personal Protection
Event Security
Internal Investigations
We have over 30 years of experience in criminal defense investigations
Clutter Investigations provides expert criminal defense investigations, DNA testing, and crime scene reconstruction services in Springfield, IL. Specializing in wrongful conviction cases with nationwide reach.
Criminal Defense
DNA Testing
Crime Scene Investigation
We offer 45+ years of investigative experience since 1977
Lyght Detective Agency offers expert private investigation services in Elgin, IL, specializing in civil and criminal cases, process serving, and domestic relations investigations since 1977.
Process Serving
Domestic Investigations
Parental Rights Cases
Over 65 years of investigative experience in Chicago and nationwide.
MSI Detective Services provides discreet, professional investigative services in Chicago and nationwide. Specializing in surveillance, fraud investigations, and computer forensics since 1959.
Over 40 years of investigative experience in Chicago.
VTS Investigations, LLC offers investigative and security services in Chicago, including background checks, surveillance, and legal document services since 1980.
Our team has over 100 years of combined investigative experience
Trusted private investigator services in Nashville, IL. Advanced Investigative Services offers surveillance, background checks, fraud investigations, and security solutions across Illinois, Missouri, and surrounding states.
