Liston and Associates, your Professional Investigators

Surveillance Specialists

Call 360-338-0237 or 253-212-0544 Monday - Friday 9a to 5p
Building upon more than sixteen years of investigative experience.

wireless tablet Since 2008, the investigative Agency of Liston Investigative Services has combined close relationships with talented associates with 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.

We are back taking new cases, thank you for checking in!

Specialties include live and technical surveillance for workers compensation, 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 building your cases.


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

 
Law books

Law Firms

Personal Injury Litigation Support
Supplementing evidence with asset profiles and records research are Liston Investigative Services' specialties. Click below for your Law Firms page.
Profit Loss keyboard

Business Services

Surveillance | Workman's Comp
With over 10,000 hours live surveillance experience, we're one of Washington State's top surveillance agencies. Click the link below for details of all our business services.
Baby child custody

Private Clients

Family Law | General Investigations
Call Liston Investigative Services for evidence collection and legal research in family law litigation.
For all Private Client services click below.
 
Please enjoy these radio excerpts from Agency principal Dave Liston's appearances on NPR's award-winning program, Sound Effect, at 88.5 KNKX FM Seattle (formerly KPLU) with Gabriel Spitzer.

Each clip runs around seven minutes and is a candid discussion about real-life investigative challenges.
Spoiler: "Criminal Minds" is not a reality show.



 
 

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.
 
  • Seattle from Bainbridge Island photo
  • Consulting in investigator ofice photo
  • Tacoma WA Bay photo
  • Courtroom photo
  • Man walking bridge of Success