Our private investigators in New Jersey are licensed and bonded in the state of New Jersey. We have the experience necessary to solve your case and have solved thousands of cases in the New Jersey  over the past decade.  We cover North Jersey, Central Jersey, South Jersey, and the Jersey Shore.  Call now for a free consultation with one of our private detectives in New Jersey.

(973) 718-9529
51 John F Kennedy Pkwy
First Floor West
Short Hills, NJ 07078

(973) 718-9529
51 John F Kennedy Pkwy
First Floor West
Short Hills, NJ 07078


For those interested in hiring a New Jersey private investigator, the importance of finding a well-established agency with the experience, professionalism and expertise to conduct your case cannot be overstated. With our 40 plus years in the industry, our results-driven agency comprised of a skillful staff of New Jersey private detectives, many who are former police detectives, federal agents and seasoned investigators will give your case the attention it deserves.

NAI has an entire division dedicated to domestic investigations, such as infidelity, unfaithful partners, cheating spouses and child custody cases. Our expertise also extends to other kinds of investigations. We select the agents best suited for your personal private investigation case from our diverse staff of over 30 private investigators in nj. All investigations are handled discreetly and confidentially.

Our NJ private detectives strive to provide the undeniable proof and peace of mind you deserve. Each year, our surveillance division performs thousands of hours of fieldwork keeping our skills sharp and enhancing the quality of our performance as a private investigation agency. NAI remains current with new developments and changes within our industry, which is an integral part of our success and client satisfaction.

NAI is a licensed and bonded  NJ private investigator agency, conducting a variety of investigations with discretion, diligence and determination aiming to surpass client expectations.  Our Private Detectives specialize in:

-Background Checks
-Infidelity & Cheating Spouses
-Find Missing Persons
-Child Custody
-Criminal Investigations 

Contact a NJ Private Detective Today

Call for a free consultation and/or to learn more about our premier services:

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(973) 718-9529





Alpine, Bay Head, Bernardsville, Chatham, Chester Township, Essex Falls, Far Hills, Franklin Lakes, Harding, Hoboken, Mendham Township, Millburn, Rockleigh, Sea Bright, Short Hills, Tavistock, Tewksbury, Upper Saddle River





Thorough, Precise, and Detailed


We have utilized the services of North American Investigations since 1992 in a myriad of different types of cases ranging from divorce to locating missing persons, to interviewing witnesses to accidents, etc. I have found their work to be thorough, precise, detailed, and extremely competent. A number of cases have settled based upon the results tat they have produced. I have no hesitancy in recommending them in any type of investigative work.

by EJ Waldman from Taub, Hametz & Waldman, PLLC