PNW Polygraph Services will help you find the truth.

Whether you are looking for a polygraph exam, polygraph test or lie detector test, at PNW Polygraph Services, we provide our clients with the most scientifically validated techniques and technologies available, with the most up-to-date computerized instrumentation available; following standards set by the American Polygraph Association.

a magnifying glass with truth and lies
a magnifying glass with truth and lies

We are only offering Pre-Employment Exams at this time

We serve the following counties:

Clallam, Clark, Cowlitz, Grays Harbor, Jefferson, King, Kitsap, Lewis, Mason, Pacific, Pierce, Thurston, Wahkiakum