Professional Private Investigators in McLean County, IL
Ready to seek out the truth? Find private investigators in your local area for a thorough and complete investigation that provides the answers you’re looking for. At Advanced Investigative Services, Inc, we provide a variety of personal and business investigations for those in McLean County, Illinois and the surrounding areas for:
- Attorney Services
- Consulting
- Workers’ Compensation
- Video Surveillance
- Undercover Operations
- Pre-Employment Screening
- Background Checks
- Insurance Fraud
- Embezzlement/Theft
- Asset Recovery/Searches
- Process Service
- Pre-Marital Background
- Covert and Overt Camera Installation
- Missing Persons
- Interviews/Statements
- Product Liability
- Pre-Trial Investigations
- Crime Scene Investigations
- Stalking
Private Investigators in McLean County, IL
Those in the McLean County, Illinois area know to call us when they need private investigation or security services. Our friendly and knowledgeable teams provide various personal and business investigations for those in the local community. Personal investigations include missing person searches and investigations for suspected unfaithful partners. Additionally, we conduct an extensive list of professional and business investigations such as pre-employment screenings, background checks, workers’ comp claims, pre-trial investigations, process services, and more. Our staff utilizes experts from various fields to help their investigations find results, such as:
- Video/Still Photography
- Licensed Pilots
- Licensed Investigators
- Surveillance Technician
- Accident Reconstructionist
- Criminal Defense Detectives
- Covert/Overt Corporate Investigators
- Polygraph Examiner
- Audit/Fraud Expert
- Executive Protection Experts

Executive Protection Services
- Experienced and professional team
- Surveillance operations and surveillance detection
- Our Lead Protection Specialist has over 20 years of experience as a law enforcement officer
- Currently, a special agent for the United States military, specializing in Protective Services
- Extensive experience in undercover operations, surveillance, and criminal investigations
- Protection experience with high-level executives and government officials
- Our team’s training consists of:
- Firearms
- Defensive tactics
- Surveillance
- Driving tactics
- Completed an elite training school in personal protection
