Company Info


Deep South Investigations is a full-service private investigation company, specializing in Surveillance, SIU/Claims and Subpoena Service. We service all of Louisiana, Mississippi and the Gulf Coast areas.

Deep South Investigations (DSI) has been owned and operated by Mark Avery since 1987. We are the "SURVEILLANCE SPECIALISTS" responsible for setting industry standards throughout Louisiana, Mississippi and the Gulf South. We are making others responsible and accountable through quality investigative work products required by attorneys, insurance companies, businesses and the private sector.

Our SIU department provides thorough and accurate record searches, complete with report and exhibits, as well as, timely independent process service. All of our investigators are fully licensed, trained, insured and covered by workers' compensation. DSI investigators have testified in federal, state and workers' compensation hearings. We are very familiar with the legal system, deposition, production of documents and the discovery process.

New Orleans Area: (504) 227-2107