• Professional and Efficient Investigative Services in Marion County Illinois

    In Marion County, Illinois, Advanced Investigative Services, Inc is the company to call for all your business or personal investigative needs! We employ only the most experienced private investigators who are experts in their field. Most of our private investigators come from law enforcement backgrounds or have been trained by professional companies in the art of investigation. By becoming a client of Advanced Investigative Services, Inc, you will have access to the expertise of our private investigators with over 100 years of investigative experience and the vast network of resources of our company. Advanced Investigative Services, Inc assists with:

    • 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
  • If you are the owner or manager of a small business, you might think that Advanced Investigative Services, Inc is out of your reach financially, but that is not the case! Though we are equipped to handle the most complex investigations for corporations, we also provide investigative services and monitoring systems for small business owners. You want to make sure that you are hiring employees you can trust, and we can provide pre-employment background screenings.

  • Private Investigators in Marion County Illinois

    Advanced Investigative Services, Inc has worked with many large corporations investigating fraud, theft, and even providing executive protection services. We also have investigators who live and work in different cities and states, allowing us to take on investigations in various locations. Our seasoned investigators also belong to a variety of professional investigation organizations that give them access to worldwide networking with other investigators via secure internet sites. Advanced Investigative Services, Inc can also provide the services of licensed pilots, polygraph examiners, and even crime scene experts when an investigation requires highly specialized experts. Our experts include:

    • 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 also offer state of the art camera and video systems that can be installed in multiple locations throughout your business to monitor your employees and business activity. These systems are so advanced that they can be accessed in real-time from any computer with an internet connection. Advanced Investigative Services, Inc also works with individuals to provide confidential investigations into missing persons, divorce issues, and background checks. Our fees are very competitive and are based upon the scope and complexity of each unique investigation or service. Visit our website today for a list of all our investigative services or give us a call! We would be happy to provide you with a no-obligation quote at no charge to you.

  • 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
  • Contact Your Local Private Investigator in Marion County Illinois

    Are you looking for a professional private investigator on behalf of your business or for a personal investigation? If so, Advanced Investigative Services, Inc has been the leader in investigative services in Marion County, Illinois 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 screen potential employees, or need video surveillance, Advanced Investigative Services, Inc is the company to call.