(800) 688-9230



Our network of elite private investigators spans three states – New Jersey, Pennsylvania and South Carolina:

New Jersey




South Carolina

Magnum Investigations - Private Investigator SC

Searching for Private Investigators in NJ who Specialize in Child Custody Investigations and Cheating Investigations? This agency has been rated by the State of New Jersey and the Commonwealth of Pennsylvania as being the number one rated investigative agency in the tri-state area. Recognized as being the Premier investigative Agency statewide this is the first choice for anyone who is seeking to learn the truth without getting caught. This is the only investigative agency licensed in New Jersey and Pennsylvania who Specialize in Child Custody, Alimony, and Cheating Investigations…this is all they do. If you are looking for Video Proof then look no further…

Recipients of the Investigative Agency of NJ 2004, 2006, 2007.

Other Companies We Support

NY Private Investigators

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Higgins and Associates Investigative Services
Portland, Oregon, area private investigator. Civil and Criminal investigations since 1974.


Private Investigators Magazine – PI Magazine – Private Investigators read PI Magazine, the trade publication for private detectives, police detectives, SIU Investigators and anyone interested in learning how to become a PI.


Penny Green Landscaping – South Jersey premier landscape hardscape company Pennygreen is the only company of its kind to offer to you The Great Rebate. Save on all patio pavers, underground lawn sprinkers, landscape and hardscape projects

Magnum Investigations, LLC has no affiliation with any company listed on this page. Magnum Investigations, llc does not recommend or attest for any company or service listed within this page. You understand that if you retain the services of any company listed within this link page that you save and hold harmless and completely defend and wholly indemnify Magnum Investigations, LLC and/or its investigators, sub-contractors, or agents from any suits, claims, litigation, past or future, that may arise.

IMPORTANT: There are many companies offering Investigative Services who are NOT Licensed Investigators and are therefore operating illegally. Therefore be careful and demand that the company provide you with their License Number and then verify it through New Jersey at (609) 633-9352 or New York at (212) 417-5800; in PA you must contact the Clerk of Courts in the County where the company claims to be located.

Call Now: (800) 688-9230