McCall Risk Group
“Great friendly and professional staff, would recommend to anyone who needs security for a private event !”
Best Private Investigators near Southampton, NY
These agencies serve Southampton from nearby bases in towns including Riverhead, Westhampton Beach and Center Moriches.
10 agencies listed · 4 open 24/7 · 6 open weekends · 9 rated 4.5+ · 3 show a license
Data verified October 18, 2026
WRM Process Services & Investigations
“Spoke to him on the phone and he gave me a very fair price for services and took care of business for me two days later.”
Uspa International
“Working with USPA International has always been a pleasure, we hope to continue it for years to come!”
Long Island Timely Process Servers
“Thomas was great, picked up my documents and served them in less than 24 hours, highly recommend , professional and courteous.”
TLO Group
“Friendly, professional and attentive to my concerns.”
Joseph Cornetta Investigations
“Joe immediately returned phone calls, and never left us guessing as to any aspect of the investigation.”
The 10 agencies on this page are the private investigators listed for Southampton, 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: Southampton, NY
The 10 agencies on this page are rated from 4.4 to 5.0 across 230 reviews; 1 has 50 or more reviews and 9 are rated 4.5 or higher. 4 are open around the clock; 6 are open on Saturdays and 5 on Sundays. 3 show a license on their websites. 5 have ten or more years of experience, the longest 40 years. 4 offer urgent consultations; 2 offer a free initial consultation and 1 is family- or locally-owned. We have a website on file for 9 of the agencies on this page; 7 publish a contact page and 8 list a public email. We count these figures across the agencies on this page; hours and prices change, so confirm the details with the agency before you book.
Which investigators listed for Southampton describe their work online?
9 of the 10 agencies on this page have a website on file. Those pages are where an agency states its license, the kinds of investigation it takes on, and whether it works mainly for attorneys, for companies or for private clients. That last point changes how a report gets written.
Absolute Private Investigations
Artus Group
“Most importantly, they have always been direct and honest and do what is necessary to accomplish the task.”
M.C. Investigators
“The use of technology and physical investigation by MC Investigators led to information and the results that I had been looking for for months!”
KAM Investigations
Why these companies made our list
Is this page useful? Yes
No
Is there anything wrong with this page?
