D and M Investigative Services, LLC is a full-service private investigations firm conducting professional investigations across Louisiana.  Our company was established in 2019 by D. Grim and M.C. Harris–retired law enforcement officers–to assist private companies, law firms, insurance clients, businesses, and private individuals.

Our investigators have over 60 years of investigative experience and use a variety of resources and investigative techniques in order to complete each of our assigned cases.  Our professional partnerships allow us to conduct investigations across different regions and areas of the United States.