Ball & Gillespie is the oldest private polygraph company in Western Washington, operating continually for 37 years. We offers professional polygraph services to law enforcement agencies, private attorneys, private businesses, and private citizens.
Our professionally trained examiners and our state-of-the-art equipment guarantee that you will receive the very best polygraph examination available. Don't settle for a poorly trained, inexperienced polygraph "operator" who will offer you discounted prices. When you need "only the very best" call Ball & Gillespie Polygraph.