GREAT NECK · NASSAU COUNTY
Private Investigator Great Neck, NY
Licensed, discreet investigation in Great Neck and the surrounding Nassau County communities.
Licensed, discreet investigation in Great Neck and the surrounding Nassau County communities.
Great Neck is the peninsula of nine villages on Long Island's North Shore. Substantial wealth, one of the largest Persian Jewish communities in the United States, and a community where discretion is the entire baseline expectation. Most Great Neck investigation work runs through matrimonial and family channels.
High net worth matrimonial work, cross cultural and international family law cases, financial investigations, and counter surveillance for executives.
Civil and matrimonial cases run through Nassau County Supreme Court in Mineola.
If you have a matter in Great Neck that needs private investigation, call David directly. The first consultation is free and confidential, and we'll give you an honest assessment of what's involved before any commitment.
Yes. New York Intelligence Agency is a licensed, bonded, and insured agency (NYS DOS #11000169770) serving Great Neck and the surrounding area. Every case is led by Emmy® Award winning investigator David Schassler with complete discretion.
From our Midtown Manhattan office we cover Great Neck and the surrounding area; for urgent matters we can usually mobilize the same day.
It depends on the service. Surveillance is billed hourly, while background checks and polygraph exams are flat fees. Most cases are quoted after a free, confidential consultation, with a written estimate before any work begins.
County level figures for Nassau County. Source: U.S. Census Bureau, American Community Survey, 2024 (1-year estimates).
A licensed private investigator working in Great Neck, on call when you need us. Live weather data via Open-Meteo.
Cases often cross town lines, and our investigators work the whole area, including Garden City, Hempstead, and Huntington. See everything we cover in Long Island.