Illinois Private Eye Investigative Services & Private Process Service

Private Investigative Services for
Business / HR / Banks

Business Private Investigative Services

Investigation Services

  • Surveillance
  • Locating Heirs for Bank Trust Departments
  • Background Checks
  • Human Resources Assistance
  • Sexual Harassment Claims
  • Workplace Violence

Locating Heirs

Do you need to find heirs for wills & trusts?  Mark Foster has successfully located known and unknown heirs to assist banks in properly executing wills and trusts.


Mark Foster has logged thousands of hours in the field performing surveillance for small businesses and large corporations. 

Want Video Evidence?  This is Mark's specialty.  Your business will value the video evidence Mark can provide.

Illinois Private EyeFree Phone Consultation

Every case is different.  You’ll get a customized investigation to meet your needs.  For professional service and a free initial phone consultation or to schedule an investigation or process service, contact Mark Foster today

Private Investigative Services for Business


Service Area


* main concentration