Worldwide Customers

Hamre PI offer Private Investigation and Polygraph Services around the globe. We bring the equipment to you to provide the most comfortable experience.

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Hamre Polygraph & Investigative Services can locate individuals, serve subpoenas or court documents on behalf of our clients when conditions are uncomfortable or unsafe.

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About Hamre & Investigative Services

Hamre Investigative & Polygraph Services in the Seattle Washington area, is a private investigation agency that provides investigative services and polygraph examinations. We have been in business for more than 30 years providing fact-finding information and polygraph services.


Hamre Investigative & Polygraph offers exceptional and professional work for personal and business-related cases. Our investigative and polygraph services are backed by a combined 30+ years of experience and accomplishments that have established a reputation for our agency that cannot be beat.

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Contact one of our investigators and get the truth 24/7.