Private Investigation Services

​Looking for a Licensed and Insured Private Investigator on Long Island, Queens or Brooklyn? Our Investigative team consists of Retired NYPD detectives, both male and female, with over 35 years of investigative experience.  At Interstate Security & Investigations Inc, we specialize in:

Background Checks

From dating background checks to pre-employment and tenant screenings, we deliver verified and detailed reports.

Surveillance Services

We use state of the art equipment and legal methods to monitor subjects for insurance fraud, infidelity, child custody cases and more.

Infidelity
Cheating Spouse

Find out the truth with discreet surveillance, digital forensics and evidence collection.

Missing Persons &
​Skip Tracing

We specialize in locating missing individuals - whether its a loved one, a runaway or someone who owes you money.

Child Custody
​Family Law Investigations

Support your legal case with objective, court-admissible evidence.

Corporate
​Workplace Investigations

Protect your business with internal investigations for theft, fraud or employee misconduct.

Insurance Fraud Investigations

Verify suspicious claims with detailed surveillance and reporting.

GPS Tracking
​Vehicle Monitoring

As allowed by NY Law. Know where someone is going - legally and effectively.

Workers Compensation

Identifying potential fraud and determining liability in a claim.