DCW Investigations & Security
“Very friendly and respectful spot, I went there for my 16hr certificate and the instructor was very professional & he's wife if also very nice and professional.”
Best Private Investigators in White Plains, NY
15 agencies listed · 4 in White Plains · 4 open 24/7 · 9 open weekends · 12 rated 4.5+
Data verified October 27, 2026
Compass Investigators Adjstrs
“Quality and professional service as always, it's nice to have them in my corner!”
MJS Investigations,llc
“Great staff, very knowledgeable and were able to help with backgrounds and process service.”
Trinity Investigative Group
“TIG was able to help with a sensitive matter that could have adversely effected my business.”
Intrepid Investigations
Unum Investigations
“I had used two prior surveillance companies with poor results, but I really appreciated how Unum and Mitch operated and my money was definitely smartly spent.”
The 15 agencies on this page are the private investigators listed for White Plains, 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: White Plains, NY
4 of the 15 agencies we list are based in White Plains; the other 11 serve White Plains from towns including Yonkers (8 mi), Bronx (13 mi) and Greenwich, CT (7 mi). 14 of the agencies on this page have a rating, from 3.9 to 5.0 across 538 reviews; 4 have 50 or more reviews and 12 are rated 4.5 or higher. 4 are open around the clock; 8 are open on Saturdays and 8 on Sundays. 5 show a license on their websites. Domain records put 10 websites of the agencies on this page at ten or more years old; the oldest dates from 1997. 4 offer urgent consultations and 1 offers a free initial consultation. We have a website on file for all 15 of the agencies on this page; 14 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 White Plains shown here?
4 of the 15 agencies have an address in White Plains. 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.
Black Ops Private Investigators
“Very professional, Makes you feel at ease, He is worth every dollar”
Fletcher Recovery Group
“They made the process of recovering the funds easy to understand and follow, and they also offered help along the way as needed.”
Asubpoena Service
“They are the best the give 100% to serve the person even if it's out of state I recommend them all the time”
Unique Investigations
“I was very pleased with the out come of my case which was not easy to complete as the person that needed to get served was in hiding.”
Tmbs Protection Services INC
“A friend of mine referred me to this company after I researched many private investigators I'm glad I chose Tmbs Mr Bradley was on point I didn't know what to expect but he was very patient with me and walk me through this ordeal regarding my stolen vehicle but after two weeks my car has been recovered.”
Absolute Private Special Investigations
“I have been using this company since 2020 and I have gotten great results by using their services.”
Elite Investigations
“Very professional people and hard workers”
Intelex
“Notwithstanding the dearth of information provided, the staff at Intelex utilized numerous resources, including sending a runner/expediter to a Court over a thousand miles away, to retrieve a related but archived probate file from a 1987 estate”
Heathcote Investigations
Why these companies made our list
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