Darrin Darrin Thank you for helping to resolve a difficult family situation so quickly and professionally. You helped to save a life. We are so thankful to you and your staff at NAI. Darrin was wonderful to deal with. Answered all questions and was always available. Highly recommend Darrin and his staff with any investigation services needed. RJM

Professional, thorough and quick! I can't stress enough how important using an experienced investigation company is. I had a bad experience with another P.I. firm and Darrin and his team immediately started on my case, they provided me daily updates and sent me the reports very quickly. I am very impressed and would definitely use them again if needed. I highly recommend them and am very satisfied. They are truly the best out there.

NAI Made Game-Changing Discoveries On My Behalf I needed a PI to investigate a sensitive matter I had a hunch was not as it seemed. NAI's intel upon conducting a thorough background check completed transformed my view of the situation allowing me to assess my options with clarity. The information he discovered was game-changing for me. I highly recommend NAI to others in need of PI services.

Mine was a missing person case Mine was a missing person case. It was my son. He had been missing and my daughter-in-law only alerted me 3 or 4 days later. Having been in touch with the Suffolk County Police Department in New York, I realized nothing was getting done because my son was an adult. I searched for a private investigator online and found Darrin Giglio and his company. It was the best result. Darrin and his team ended up finding my son’s body and that of another young victim AND was able to determine who was responsible for this heinous murder. All the evidence was then turned over to local law enforcement. The perpetrators were convicted and sentenced. With Darrin’s team, NOTHING would have been done and I would’ve been left with a missing son all these years and the criminals would’ve still been on the streets! Just a last word: my choosing Darrin and his team, in my opinion, was a Godsend!

Why have even one star Why have even one star, as I would not give him even one star... Was very vigilante about getting my $750 retainer initial payment, very little communication or follow up. He will not say 'what' he has done...private??? I think not he has simply not done anything...so has nothing to say to me, other than he needs/wants more $$$$. Save your money....when he told me 'I am an honest man' I should have listened no honest man needs to make that claim