Giving You More Control
In The Courtroom.
Welcome to Cornerstone
Cornerstone
Cornerstone Investigative Services LLC (CIS) is a private investigation firm providing affordable and quality investigative services to law firms, businesses, insurance companies, and private citizens.
Our goal as an agency is to gather documents and evidence to create factually based reports that are presented in court during litigation, child custody cases, infidelity cases, fraudulent claims, and more.
Owner and Chief Investigator of CIS, Brandon Queen, has nearly 10 years of law enforcement experience as well as 40 hours of private investigation training in Louisiana. He offers top quality courtroom testimonies, evidence preservation, and data collection for our clients, no matter who they are.
Learn more about what Premier
Support Services can do for you.
What do we offer?
General Investigations
Insurance Investigations
Infidelity Investigations
Internal Investigations
Background Checks
Document Retrieval
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