Viceroy Investigations & Consulting
“I highly recommend them to anyone looking for excellent service!”
Best Private Investigators near Farmingdale, NY
2 of these agencies are based in Farmingdale; the others serve Farmingdale from towns including Melville (3 mi), Carle Place (9 mi) and Levittown (4 mi).
6 open 24/7 · 9 open weekends · 14 rated 4.5+ · 9 show a license
Data verified October 27, 2026
Paul J Larkin Associates
Root Investigations
“I finally have the facts I need to move on with things, and I'm so thankful to have hired Liz and her team at Root Investigations.”
JL & Associates
“After contacting many other investigators, we then decided to use JL & Associates.”
Shark Investigations & Security
“Excellent work, knows how to get the information needed.”
Venetiou & Associates
“He has been of excellent help and always to considering and helpful.”
The 15 agencies on this page are the private investigators listed for Farmingdale, NY. What each one states about its license, its specialties and the areas it covers comes from its own website; ratings and quotes come from public reviews.
Area overview: Farmingdale, NY
The 15 agencies on this page are rated from 4.3 to 5.0 across 150 reviews; 14 are rated 4.5 or higher. 6 are open around the clock; 9 are open on Saturdays and 8 on Sundays. 9 show a license on their websites and 2 have a BBB rating of A or A+. 10 have ten or more years of experience, the longest 33 years. 6 offer urgent consultations; 1 offers remote or virtual consultations; 3 offer a free initial consultation and 1 lists coupons or special offers. 1 has Spanish-speaking staff. We have a website on file for all 15 of the agencies on this page; 11 publish a contact page and 13 list a public email. We count these figures across the agencies on this page; distances are straight-line, and hours and prices change, so confirm the details with the agency before you book.
Why are investigation agencies outside Farmingdale shown here?
2 of the 15 agencies have an address in Farmingdale. The others come from other towns. Investigators travel to the subject, so an office one county over is rarely the issue. State licensing is the thing to check.
Dynamic Protection Group
“Customer Oriented with experienced respectful employees.”
Long Island Private Investigator
“Extremely professional, Their attention to detail was amazing and they acted quickly and efficiently.”
ROK Investigative Group
“She is very easy to work, adapts to the situation at hand, and always gives 110% effort on every assignment.”
Ambassador Protection Services
“John and the crew were very professional and helped keep us and our equipment safe the whole weekend.”
Infinity Investigations
“Infinity Investigations is the most professional Investigator I have ever dealt with.”
The County Wide Group
“Everyone was incredibly helpful, understanding, and went above and beyond to accommodate my situation.”
Osborne Investigation Corp.
“I've dealt with Investigators before, but this Investigator was the Best I ever hired.”
Sutton Associates
“The team at Sutton Associates were very professional and extremely supportive throughout the entire process.”
Vanson Investigations
Why these companies made our list
Is this page useful? Yes
No
Is there anything wrong with this page?
