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Our Company

Our Company

Meet Dave O. and His Team!

Dave O., the owner and founder of Blackstone Investigations Group, B.I.G., has over 30 years of combined experience in Law Enforcement, the U.S. Military and Business ownership to bring to the table and is proud to own one of the most reputable PI firms in New Jersey. Dave is a proud Marine Corps Veteran, and offers a discount to all veterans who need assistance. His expert team of experienced Private Investigators has conducted a wide variety of investigations for private citizens, high profile law firms and corporations, insurance companies and professional athletes, and are considered experts at covert undercover surveillance. Confidentiality and discretion is of the utmost importance on all cases!

Prior to starting Blackstone Investigations Group, Dave proudly served in the United States Marine Corps as a Military Police Officer, and after receiving an Honorable Discharge, spent the next 15 years dedicated to serving the public as a Police Officer and Police Detective. Throughout his career, Dave worked with private citizens, businesses, local and state governments, as well as various federal government agencies including the FBI, DEA, and Homeland Security. He worked hard at sharpening his investigative skills by completing many investigations training courses. While serving as a Police officer, Dave received over 35 Letters of Commendation from private citizens and various Law Enforcement agencies, highlighting his work ethic, professionalism and dedication to the community he served. Dave O. is Nationally Certified through Wicklander-Zulawski to conduct Interviews and Interrogations on suspects and witnesses and has investigated hundreds of cases over the years.

When it comes to service and professionalism, Blackstone has you covered! They have many private client services available, and take on many different types of cases, including cheating spouses/ infidelity, cohabitation, child support/child custody, elder abuse and teen troubles.  Law firms and corporate clients and are very important; for those clients they assist with personal injury, workers comp fraud, insurance fraud, employee theft and executive protection/personal security details. Dave is an active member of the New Jersey Licensed Private Investigators Association (NJLPIA), an organization committed to connecting New Jersey residents with qualified and experienced licensed private investigators.

Bottom line… Dave truly cares about each individual case and you can definitely count on the team at Blackstone Investigations Group to get you the answers you need! CALL TODAY for a free consultation with Dave so he can explain the process and get to work for you! And remember, HE’S GOT YOUR BACK!

*EXPERIENCED                 *TENACIOUS              *PROFESSIONAL


  • Marine Corps Veteran