• Need Answers for Your Questions? Contact Your Local Private Investigator in Clay, Illinois

    Can’t find the answers that you’re looking for? Contact one of our private investigators in your area that conducts investigations to get you the information you need. At Advanced Investigative Services, Inc, we provide a variety of investigations to those in Clay, Illinois, and the surrounding areas. Established in 1996 and run by a former state police captain, our team is made up of experts from local, state, and federal agencies that offer over 100 years of combined experience of investigative services covering:

    • 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
  • We make use of our access to local, national, and global databases that ensure we’re using the most up-to-date information when conducting your inquiry. From employee background checks to pre-trial investigations, we are the professionals to call for any and all investigation needs!

  • Private Investigators in Clay, Illinois

    Those in the Clay, Illinois, area know to contact our private investigators for quality, professional, and thorough investigations. We offer a variety of personal, business, and professional investigations to our clients in the local community. Our extensive list of personal investigations includes pre-marital background checks, divorce investigations, missing-person searches, and more. Business and professional investigations that we can conduct range from pre-employment screenings and background checks to workers’ comp claims, pre-trial investigations, process services, and so much more. We employ specialists from a variety of fields to ensure the accuracy of our 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 service to those in Clay, Illinois, and the surrounding communities. Ask us how our trained staff can help set up a surveillance system at your home or business that keeps your property and families safe and offers 24/7 internet accessibility. Our goal at Advanced Investigative Services, Inc is to provide confidential, reliable inquiries that won’t break your bank. Contact our office today for a free, no-obligation consultation of your case, or check us out on our website for more details!

  • 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 serves as a special agent for our military.
      • Specializes 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 Clay, Illinois

    Are you looking for a private investigator on behalf of your local business or to conduct a personal investigation? Advanced Investigative Services, Inc has been the leader in investigative services in Clay, Illinois since 1996. We have a team of professional and experienced investigators with the right skill set to handle any type of investigation that you could require. Whether you are in search of a missing person, want to run a background check on a potential employee, or need video surveillance, you can count on Advanced Investigative Services, Inc.