Drews-Alan Detective Agency LLC, is a full-service, investigations agency specializing in Surveillance, Investigations & Research, Subpoena Service, Executive Protection, Interview & Interrogation, Integrity Testing, and Loss Prevention.

Drews-Alan territories include: the state of Wisconsin and has capabilities in Illinois and throughout the United States.

Drews-Alan Detective Agency is a Wisconsin state certified Woman-Owned Business Enterprise diversity supplier.  Ms. Hansen's main area of expertise is in Worker's Compensation, Disability, Liability, Corporate, Child Custody and Divorce surveillance.