Looking for Answers? Contact Your Local Private Detective in St. Charles County, MO
Are you ready to find the answers you’ve been looking for? Find a private detective in your local area to ensure you get the information you need. At Advanced Investigative Services, Inc, we offer a wide range of investigation services to those in St. Charles County, Missouri, and the surrounding areas. Started in 1996 by a retired state police captain of over 40 years, our staff features professionals from all corners of law enforcement with over 100 years of combined experience for your case. Additionally, our professionals utilize information from local, national, and global databases to ensure the accuracy of the investigation we conduct for you. From employment screenings to simple background checks, make sure you put the professionals on the case to find the facts you’re looking for! Our services include:
- 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 St. Charles County, MO
Those in the St. Charles County, Missouri, area know to call our private investigators when they have a situation they want to solve. Our company’s trained professionals offer investigative services for individuals, businesses, and professionals in the local community. Furthermore, we conduct a variety of personal investigations that includes pre-marital background checks, civil suit and divorce investigations, missing-person searches, etc. We also offer business and professional investigative services, including inquiries for pre-employment screenings, background checks, workers’ comp claims, pre-trial investigations, process services, and more. Count on us to utilize experts in various fields to conduct the most thorough investigations!
- 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
We proudly provide private investigators to those in St. Charles County, Missouri, and throughout the surrounding communities. Let our licensed professionals install property surveillance systems at your home or business, complete with 24/7 internet accessibility. At Advanced Investigative Services, Inc, we dedicate ourselves to competitively priced services that prove to be thorough and reliable. Call for your free, no-obligation consultation or find our website for the details you need!

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 and currently specializes in protective services as a special agent for the United States military.
- 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

Contact Your Local Private Investigator in St Charles County, MO
Are you looking for a professional detective to investigate your business or a personal matter? If so, Advanced Investigative Services, Inc has been the leader in investigative services in St. Charles County, Missouri since 1996. We have a team of professional investigators with the right experience to handle any type of investigation. Whether you are in search of a missing person, want to run background checks on potential employees, or need video surveillance, Advanced Investigative Services, Inc can help.