Browse the Top 2 Private Investigators Serving Chicago, IL

Heritage Investigations & Surveillance provides professional private investigator services in Chicago, specializing in marital infidelity, alimony termination, child custody cases, and surveillance operations. With over 42 years of experience, we deliver discreet, legally compliant investigations using advanced technology and proven methodologies. Our team supports clients through evidence collection, expert testimony, and court documentation to resolve personal and legal matters effectively.

MSI Detective Services offers discreet, professional investigative solutions for individuals, businesses, and legal professionals. Specializing in surveillance, computer forensics, theft investigations, and asset tracking since 1959, we combine decades of experience with advanced technology to deliver actionable intelligence. Our team provides confidential consultations and court-admissible evidence to clients across Chicagoland and globally.