Olivieri Investigations is a Staten Island based private investigation firm. Our service is fast, efficient and we get results. Whether you are a private citizen, a corporation, or a law firm. We can provide you with high quality service. Mr. Olivieri is a Former Detective Squad Lieutenant, serving 22 years in the New York City Police Department serving in various capacities and Commander of several investigative units. His experience and attention to detail is unmatched in the Private Investigation Industry. All of our experienced investigators have over twenty years law enforcement experience. We are the company for you, When you want to know the truth. All clients receive well written concise reports, with photos and video if the case mandates. Our clients confidentiality is our utmost concern.