Welcome to Blackstone Investigations Group

Blackstone Investigations Group is the premier private investigation agency in New Jersey, conducting professional and discreet investigations across the entire state. No matter what your case may entail, whether it be catching a cheating spouse, finding a birthparent or long lost friend, collecting video evidence for child custody, support or visitation case, or conducting a background check, BIG has the expertise and experienced staff to handle your investigation in a timely professional manner.
Blackstone Investigations Group strictly adheres to all federal, state and local laws, so rest assured that any BIG private investigator or subcontractor assigned to work or assist in your case will be an experienced licensed investigator who is fully qualified and meets or exceeds all industry standards. We’ve got your back and are ready to get to work for you!
New Jersey Licensed Private Investigators Association ASIS Fraternal Order of Investigators
We Accept All Major Credit Cards
Blackstone Investigations Group | David R. Ollivier | Office: 856.394.2168 | Fax: 856.394.2199 | Email: dave@bigpinj.com
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