Based in Mesa, just outside of Phoenix, Arizona, Quantum Investigations is a full service professional investigation agency serving attorneys, corporations, small businesses and the general public throughout Phoenix, and the surrounding areas of Arizona.

As Arizona's premier private investigators, Quantum Investigations brings a wealth of training and experience to your case; we handle most types of investigations, including missing persons, surveillance operations, background checks, infidelity investigations and due diligence services. Please see our Investigations and Services Page for more information.

Quantum Investigations

Mesa - Phoenix Arizona Private Investigators | Arizona Detective Agency - Arizona PI

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Fraud In the broadest sense, a fraud is an intentional deception made for personal gain or to damage another individual....	Missing person A missing person is a person who has disappeared for no known reason....
Organization The detective branch in most larger police agencies is organized into several squads or departments....	Detective A detective is an investigator, either a member of a police agency or a private person....