Established in 1998, Assured Detective Agency was founded by management personnel with extensive backgrounds in corporate security management and law enforcement.  Assured detective Agency is an active member in several security & investigative associations, including The California Association of Licensed Investigators, American Society for Industrial Security, California Association of Licensed Security Agencies, Guards and Associates, and Community Associations Institute.


Assured Detective Agency is the most dedicated and effective security agency in Southern California.  We’re based out of Corona, CA and are able to complete nearly any investigation.

We offer Traditional Services such as:

  • Full Civil & Criminal Investigations
  • Undercover Operatives
  • Due Dilligence Inquiries
  • Fraud Investigations
  • Missing Persons
  • Witness Statements
  • Personal Injury Investigations

We offer the following surveillance services:


  • Mobile & Stationary with Video or Still Pictures
  • Covert Video Camera Surveillance
  • Internal & External Theft Surveillance
  • Threats & Criminal Harassment
  • Video Evidence & Detailed Reports
  • Aerial Surveillance