Investigations and Services

We offer a full range of investigative services. All investigations are performed by our highly trained and experienced investigators. We do not sub-contract cases..ever!


Investigative Services at a glance...

Private Investigator Long Island

Click on our services page for details

  • Surveillance
  • Private Security
  • Computer Forensics
  • Matrimonial
  • Infidelity
  • Child Custody 
  • Lawsuits
  • Criminal Defense
  • Assets Located

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L I Investigations, Inc., a Long Island Private Investigator serving New York City, Nassau County and Suffolk County

Call today for a free consultation:

Suffolk County Private Investigator516-795-3368

100% confidential



Long Island Private Investigator, Detective and Investigation Services

Surveillance - Covert, Photographical, Video, Physical, Confidential

  • Infidelity and Cheating Spouse or Partner
  • Workers Compensation Suits
  • Insurance Fraud
  • Child Custody
  • Personal Injury
  • Security
  • Lifestyle
  • Motor Vehicle Accidents
  • Teen Tracking
  • Long Island and New York City



  • Domestic Infidelity
  • Divorce Proceedings
  • Pre-Marital Verification
  • Child Custody, Child Care and Visitation
  • Stalking/Harassment
  • Long Island and New York City
  • Local and National Assets Located
  • Hidden Assets Identified


Private Security, Personal Security

  • Discreet Professional Security Services
  • Armed or Unarmed
  • Personal Protection
  • Large or Small Events, Parties, Gatherings
  • New York City or Long Island


Pre-Marital Investigations

  • Check his/her past
  • Verify employment
  • Assets
  • Properties
  • Claims they make to you
  • Cheating
  • Criminal Checks
  • Local and National Assets Located


Forensic Computer Analysis

  • Data Retrieval
  • Email
  • Online Chats
  • Hidden Files
  • Live Tracking
  • Sites Visited


Child Custody and Care

  • Neglect
  • Abuse
  • Visitation
  • Adoption


Worker's Comp and Insurance Investigations

  • Activity
  • False or Exaggerated Claims


Employment Screening

  • Identity Check
  • Previous Address Trace
  • Criminal Records
  • Sex Offender Registry Search
  • Previous Employment Verification & Analysis
  • Professional License Verification
  • Reference Verifications
Licensed Bonded Insured
private investigator long island long island private investigator surveillance
Serving Nassau County, Suffolk County and New York City

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Experience Is Our Strength!