Building upon more than seventeen years of investigative experience.

Since 2008, the investigative Agency of Liston Investigative Services has combined close relationships with talented associates and intelligence sources nationwide, refined investigative capabilities focused on litigation support services for law firms, and obtained case-winning L&I evidence for businesses of all sizes, and conducted comprehensive general investigations for private clients.


Specialties include live and technical surveillance fighting workers compensation claim fraud, supporting child custody cases in family law, conducting legal research and asset profiling for post-judgment collections, and pre-litigation defendant evaluations.
With Liston and Associates, you have a powerful investigative resource in winning your cases.

Law Firms, Business Services, and Private Clients, Please click the categories below to find out more.

Covering all of municipal Puget Sound

From Everett to Chehalis and in-between, the entire Metro area is our back yard. One hour free commute is included per day each way - no matter where your Surveillance target is located. Mileage only applies once we're on-scene at the start of surveillance assignments.