Detectives in Mahwah, NJ

Comprehensive list of private detective agencies and investigators servicing Mahwah, NJ.

Business Listings

Robert J. Trobe, C.P.P is a uniquely qualified licensed private investigations agency whose customer base includes huge insurance carriers and numerous prestigious law companies in the Greater New York Tri-State area, eastern Pennsylvania, and central and southern Florida.


Advance Detective Bureau. Advance has been reporting true facts on fraudulent insurance claims activities since 1948. Throughout its history, Advance's investigators, have offered investigative services to our customers' problems. Today, Advance's specialty is surveillance with video.


Reggie was a distinguished and decorated Law Enforcement Officer in New Jersey. In 1979 he began his own Detective Agency. Reginald J. Montgomery personally supervises and reviews every case the firm handles. R.J.M.A. has successfully conducted investigations for Corporate, Legal and Private concerns of international and national notability.



We look ahead to delivering you with the highest standards of security, investigative, and related services needed to suit today's evolving risks. We provide our customers around the world the resources to effectively solve complex problems, make critical decisions, and achieve the desired level of security in the areas that matter most.


Danbee Investigations has over forty years of knowledge delivering professional services to businesses, law firms and insurance firms. Danbee's reputation and track record for providing bottom-line results is well documented. Danbee's exploits have been featured in publications such as: USA Today, Forbes, CFO, The Journal of Commerce, and Business Month.


William J. Majeski is the President of Majeski Associates., an Investigative Firm in operation since 1988, creating solutions and serving the requirements of customers worldwide. Mr. Majeski is a veteran of the New York City Police Department where he had a distinguished career for 21 years as a Detective and gained a reputation for being sagacious.


The D'Angelo Group. is a licensed and insured private detective agency delivering a complete array of investigative and security services to attorneys, corporations, insurance firms and private individuals. The team of the D'Angelo Group. consists of former Prosecutor's Investigators and State Detectives who work closely together as a team to make sure that professional results are obtained in a timely


INVESTICORP/DRI, is a dynamic investigative and consulting organization whose success is attributed to the close involvement of its executives and supervisors, as well as its commitment to best quality service. Members of our Consulting Division are Certified Fraud Examiners, Certified Public Accountants, Attorneys and Licensed Private Investigators in more than 15 states.