Private Investigators Serving New York City
Professional private investigation services across all five boroughs for attorneys, insurers, employers, businesses and individuals.
Investigative Experience for New York City
GSI provides experienced, confidential investigative support for matters requiring careful research, fieldwork and documentation. Assignments can be coordinated with our broader New York City and Long Island capabilities when a matter crosses borough or county lines.
Surveillance
Discreet field surveillance and documentation tailored to the facts and objectives of the assignment.
Surveillance →Insurance Investigations
Investigative support for claims professionals and organizations handling suspicious or complex matters.
Insurance Investigations →Litigation Support
Investigative assistance for attorneys and legal teams preparing matters for litigation and trial.
Litigation Support →Background Checks
Background research for individuals and organizations, with broader nationwide capabilities where available.
Background Checks →Serving New York City and the Greater New York City Area
Need investigative support outside New York City? Explore our New York City service area, Long Island, or contact GSI to discuss the geographic scope of your assignment.
Discuss a New York City Assignment
Contact GSI for a confidential review of your investigative needs.
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