New York Private Investigator

Radius Investigations is the most affordable and experienced NYC Private Investigator agency in New York and is a full service agency. Our experienced team of professionals is licensed, bonded and insured to conduct surveillance in New York with offices located in Nassau County, Suffolk County Long Island, Manhattan, Queens, Brooklyn, Bronx, Westchester and Nationwide.

Radius Investigations employs experienced private detectives with backgrounds in elite law enforcement and former military all of whom have the experience and background that give our clients the confidentiality and discretion they deserve.

Our New York Private Investigations Include:

  • Cheating Spouse & Pre Matrimonial
  • Child Custody & Child Support
  • Missing Persons & Assets Located
  • Background Investigations
  • Employee & Criminal Investigations
  • Computer and Cell Phone Forensics
  • Bug Sweep and GPS tracking Devices
  • Security Consulting Services

As a client of Radius Investigations, you will receive a private login to our online client portal to view how your case is progressing. It will also provide you with access to watch evidential video, see new updates and monitor the status of your case through our fully encrypted and secured website.

All of our New York private investigators will keep you informed throughout the entire process. By staying in constant communication our personal interest in your case will provide you with the peace of mind necessary during stressful times. We offer our clients a disciplined, quick thinking work ethic that will provide you with privacy, confidentiality and peace of mind that your case is being handled with the integrity.

Radius Investigations has associate Private Detective agencies and associate Investigators all through the North American territories along with International Investigative agents overseas.

A complete list of our NYC and Long Island private investigation services includes:


  • Covert Video
  • Spousal Infidelity/Cheating Spouse or Partner
  • Workers Compensation Suits
  • Insurance Fraud
  • Personal Injury
  • Security

Matrimonial Investigations

  • Domestic Infidelity
  • Domestic Abuse
  • Divorce Proceedings
  • Pre-Matrimonial Verification
  • Private Investigation Spy Cameras
  • Local and National Assets Located

Forensic Computer Analysis

  • Bug Sweeping (TSCM)
  • Data Retrieval
  • GPS Tracking Devices

Child and Elder Investigations

  • Neglect
  • Nanny Cams
  • Bullying
  • Child Custody
  • Parental Lifestyle

Employment Investigations

  • Risk Management
  • Activity Checks
  • Employment Background Screening
  • Credit Verification
  • Workman’s Compensation
  • Insurance Investigations

Our areas of service include: NYC, Manhattan, Queens, Brooklyn, Bronx, Staten Island, Long Island, and Westchester/Rockland County.

If you would like a free confidential consultation, call us at 1-888-698-0077

We are available 24 hours a day

Radius Investigations LLC
707 Walt Whitman Road, Melville, NY 11747
(631) 492-4000
(888) 698-0077