
There are many investigative service companies in the Jefferson County, Illinois area, but very few investigative services companies can provide the experience of over 100 years in the investigative industry. Advanced Investigative Services, Inc is the one company that you can count on to provide you or your business with the best and most comprehensive types of investigations by private investigators, including:
Advanced Investigative Services, Inc can provide the most complex insurance or workman’s compensation fraud investigations, and even provide undercover surveillance for your company. Our private investigators have access to a wide base of knowledge and resources that they utilize with every investigation such as:


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 Jefferson County, Illinois since 1996. We have a team of professional and experienced investigators with the right skill set 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.