Nadal Investigative Services
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Nadal Investigative Services
Licensed Private Investigator, Northern Virginia and DC, Nadal Investigative Services provides a range of private investigations for businesses, law firms, and individuals. Criminal defense investigations, witness location and interviews, process service, and more. School & campus safety assessments, estate and probate, uniformed security services, and more.

Nadal Investigative Services provides a complete range of private investigation services in Virginia and the metro DC area, including background checks, litigation support, process service, witness location and witness interviews, matrimonial investigations (infidelity, divorce, pre-marital verification, child custody, asset location), missing persons, insurance and fraud investigations, skip tracing, and surveillance.
Services
Nadal Investigative Services provides a complete range of private investigator services in Virginia and the metro DC area for private individuals, businesses, law firms, and other organizations. Services for companies including background checks, internal investigations, workers' compensation and insurance fraud, litigation support, security consulting, and more.
Nadal Investigative Services was founded by Edwin M. Nadal, a 27 year veteran of the New York City and Nassau County Police Departments. Throughout his 30+ year career as a police officer, detective, and private investigator, he has investigated thousands of cases involving everything from homicides, narcotics, and missing persons to celebrity lawsuits, corporate licensing disputes, and unfaithful spouses.
Whether you suspect wrongdoings at your company or you simply want to protect yourself from future issues, NIS can help. We offer an array of services for businesses that can help identify current or potential unlawful activity, reveal fraud, uncover new information about employees or competitors, and help protect the security of your company.
Nadal Investigative Services provides a range of services for law firms and legal professionals. Each case is handled with the highest levels of professionalism, discretion, and attention to detail.

We are highly experienced in criminal and civil investigations and can assist you in identifying, locating and interviewing witnesses, scene photographs, conducting background investigations, confirming or refuting information developed by discovery, reviewing case documents and much more.NIS can also assist with process service, asset searches, surveillance and undercover investigations.
Our goal is to get you the answers and information you need to make important decisions for your life. Personal issues requiring the services of a private investigator can often be an intensely emotional matter, and with NIS, you can be assured that your situation will be handled with the utmost sensitivity, discretion, and confidentiality.
Reviews (1)
Anai Arvizo
Anai Arvizo
Jan 03, 2022
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Positive: Professionalism, Quality, Responsiveness, Value
This is such a great investigative service. Very easy to work with, you can’t go wrong using their services. I am very pleased with them.