Mason PI is a professional investigations company based in New Providence, New Jersey offering investigative services and the collection of evidence. Mason PI was launched by former FBI Special Agent, Jane Mason. 

Jane retired in 2014 after serving for 28 years in the FBI’s Kansas City and New York City offices. During her career at the FBI, Jane developed expertise in the field of white collar crime investigations and in the collection of forensic evidence. She now offers her exceptional skills to the private sector.

Mason PI offers a wide spectrum of investigative services to private individuals, attorneys, businesses, and corporations. Our services include all aspects of criminal and civil investigations from interviews and collection of evidence to document analysis. We can analyze your case for strategies and leads or prepare detailed spreadsheets to reduce voluminous amounts of information into one concise and succinct document.

Each case is unique and Mason PI is committed to providing the highest quality investigative services to our customers through its innovative, unparalleled experience and resources. It is our goal to exceed the expectations of our clients.


Mason PI is licensed, bonded, and insured in the State of New Jersey. We have affiliates in every major city across the United States.

New Jersey Private Investigator license 9230