New York Intelligence Agency

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555 5th Ave Fl 14
New York, NY 10017
Award-winning, experienced private investigator NYC, David Schassler of New York Intelligence Agency is the best private investigation agency for you in New York and surrounding areas. Bug sweeps, infidelity investigations, corporate and domestic surveillance, missing persons and fraud, let NYIA solve your case. Affordable rates, guaranteed customer service. Experiences private investigator known for integrity and effective, successful results in providing the best detective services available. EXPERIENCED. DISCREET. PROFESSIONAL. QUICK. New York Investigations are here to help. Free, confidential consultations.
Experienced, Discreet, NYC Private Investigator

Reviews

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3.55 reviews
Photo of Jessica S.
Jessica S.
11/8/2025

photos If you are looking for a professional, thorough, prompt, and discreet investigation Dave is your man! When I hired Mr. Schassler, I was very impressed with how upfront he was about the...

Jason C.
12/4/2018

Mr Schassler contracted my case out to two obvious amateurs. The were unsuccessful in acquiring any information for me. He was quick to send people into the field which is costly and without doing...

Ceci B.
5/16/2018

Mr. Schassler did not keep a scheduled appointment and did not have the courtesy to cancel in advance. Unprofessional!

frank c.
6/9/2014

I personally know David to be a reliable, honest, hard working individual with the highest integrity. He is ethical, dedicated, straightforward, and professional. I have worked with David for the...

Jane A.
12/30/2014

Hiring a private investigator isn't something any of us ever anticipate needing to do, but I found myself in just such a situation. A friend recommended David Schassler of the New York...

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