Polygraph testing in the state of Washington for defense attorneys, law enforcement agencies, treatment providers, a spouse accused of infidelity, sporting events and corporations.

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Competitive and fair examination fees

To schedule an examination or for a free consultation, please contact us at:

Get Started with Holland Polygraph

Holland Polygraph Services

701 5th Ave, Seattle, WA

(253) 318-1767


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Welcome to Holland Polygraph Services. Have you, your company or your organization been accused or charged with an act or a crime? False accusations can lead to employment terminations, disqualifications for employment, civil lawsuits, divorce, distrust, tarnished reputations, financial ruin and often criminal charges.

Holland Polygraph Services was founded by Detective Jon Holland and provides mobile service with locations in Seattle, Tacoma, Federal Way, Auburn and throughout Washington. Jon Holland is currently a homicide detective for one of the largest law enforcement agencies in the United States. Jon Holland has been employed as a police officer since 1987 and has been an investigator since 1991.

Jon Holland has conducted more serious high profile investigations, interviews and interrogations than most polygraph examiners in Washington State. Jon Holland will assist you in finding solutions to your problems.

Holland Polygraph Services uses up to date computerized equipment and only proven scientific methods to ensure accurate results. Jon Holland is a member of the American Polygraph Association and is certified in PCSOT (Post Convicted Sex Offender Testing).

Jon Holland will provide a free consultation and accurately assess your needs. Holland Polygraph Services offers negotiable fees and provides accurate written reports.

Holland Polygraph Services looks forward to helping you retain your livelihood, reputation and achievements.