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P.S.I. Investigations llc
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Please contact us for a free, confidential quotation to assist you and your staff in making a more informed choice when retaining investigative firms and services.

Phone: 425-239-2315

(Head Office)   
8825 34 Avenue NE (Box 188)
Marysville, Snohomish County,
WA, 98271-8085

402 North Main Street
Coupeville, Island County,
WA, 98239

20465 53 Avenue (Box 102)
Langley, British Columbia,
Canada, V3A-4B6    

Neil Harrison - #3429
Criminal Defense Investigator

Serving the Greater Seattle Area including Bellevue, Tacoma, Everett, Redmond, Kirkland, Lynnwood, Edmonds and more.



Neil provides prompt, reliable, efficient, and tireless service to his clients, and is a tremendous asset to counsel and others in need of litigation-support services.

Douglas Simpson
Partner at Campbell, Burton & McMullan LLP