The ROSS Agency, Inc.


"Committed to the Client's Trust 
and a Standard of Excellence"



Beneficiary Locator Services

Credential Verification 

EEO Investigations

Employment Background Investigations

Employment Verification


Litigation Support

Locating Missing Persons and Assets

Private Investigations

Workers Compensation Fraud

Electronic Countermeasures



Document/Handwriting Analysis


Government Agency Services

Government Contracts


Employee Terminations


Employee Insubordination

Equal Employment Opportunity (EEO)

The ROSS Agency Team


William O'Sullivan
President and Owner
Greg Muller
Chief Operations Officer
Brian Ley
Lead Investigator
Laurel Figgins
Licensed Private Detective
Warren Herring
Metro St. Louis - Lead Investigator
Richard Evans
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Confidentiality and Discretion


Maintaining our client's confidentiality and discretion is our promise.  The ROSS Agency has been in business for over 27 years by remaining dedicated to our mission:


"Committed to the Client's Trust and a Standard of Excellence"

Service Disabled Veteran Owned Small Business, Certified by the United States Department of Veteran Affairs


Illinois Private Detective Agency License #117-000708


The ROSS Agency Inc.

2131 West White Oaks Drive, Springfield, Illinois 62704

(217) 546-4100

Warren Herring

Metro St. Louis - Lead Investigator