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First Class Process
- Questions
- Communication
- Information
“The following day after my phone call with First Class Process, Greg surveilled the defendant, served her and provided additional very valuable information.”
Best Private Investigators in Staten Island, NY
24 agencies listed · 5 in Staten Island · 10 open 24/7 · 20 open weekends · 20 rated 4.5+
Data verified October 18, 2026
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Pinpoint Investigations & Security Corp
- Job
- Class
- Understand
“I came here for my unarmed security guard certification, and was very pleased with how the staff treated me and how great the instructor Dwayne and every other staff member was.”
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All Out Investigations and Security
- Responsive
- Information
- Job
“I reached out to “All Out Investigations and Security” for a personal matter and Pat, the owner, responded within minutes providing me with not only a process server quote but some free, creative ways how to obtain additional information that we need...”
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East Coast Forensics Corp
“They proved that my vehicle had a defect, so happy my attorney recommended their services!”
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J Curley & Associates
“I worked with the firm for 12 years, I've known John for even longer.”
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American Eagle Investigations
- Questions
- Money
- Efficient
“Polygraph test (lie detector test) because I was in a relationship for 5 years and constantly been Accused of cheating and lying, DON PROVED MY INNOCENCE and now my other half will have peace of mind”
The 24 agencies on this page are the private investigators listed for Staten Island, 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: Staten Island, NY
5 of the 24 agencies we list are based in Staten Island; the other 19 serve Staten Island from towns including New York (14 mi), Brooklyn (11 mi) and Jersey City, NJ (10 mi). The agencies on this page are rated from 3.8 to 5.0 across 1,304 reviews; 9 have 50 or more reviews and 20 are rated 4.5 or higher. When clients rate these agencies on specific qualities, they most often praise professionalism (95%), responsiveness (80%) and quality (74%). The topics that come up most in reviews of the agencies on this page are "results", "price" and "communication". 10 are open around the clock; 20 are open on Saturdays and 17 on Sundays. The services the agencies on this page list most often on their websites are background checks (3), executive protection (3), surveillance (3), corporate investigations (2) and criminal investigations (2). 8 show a license on their websites and 3 have a BBB rating of A or A+. 19 have ten or more years of experience, the longest 98 years. 10 offer urgent consultations; 9 offer a free initial consultation and 3 are family- or locally-owned. 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.
Which investigators listed for Staten Island describe their work online?
All 24 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.
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International Security Services
- Confidence
- Efficient
- Career
“The instructor, with his extensive knowledge and excellent teaching skills, ensured that every member of the class understood every aspect of firearm safety.”
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TGA Legal Collections
- Payments
- Judgement
- Team
“I've worked with Todd in 2 occasions, both times i was thrilled by how professional, punctual, reliable, knowledgeable , communicative and the list goes on he is… I would absolutely recommend Todd to anyone.”
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Eagle Eye PI
“After a horrendous experience with a PI my attorney ( now ex attorney recommended I spent $2400 for a paragraph report that entails suspicious activity) I was extremely hesitant to use another PI.”
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New York Intelligence Agency
- Price
- Service
- Surveillance
“He actually was fair with his price and didn't really overcharge me and was honest out of the gate and said he didn't know how much it would cost but he was able to do it in a short amount of time.”
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North American Investigations
- Responsive
- Reality
- Emails
“Darrin and his team were/ are amazing to work , would def recommend this team to anyone looking to team up with a experienced and knowledgeable owner and team”
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Integras Intelligence
- Cost
- Integrity
- Expertise
“I have known the Integras Principals for 25 years in various capacities and and they are an outstanding team of professionals with unwavering integrity.”
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Beau Dietl & Associates
- Team
- Account Manager
- Security
“A friend referred me to Bryan who was looking for more guards to work in this BDA security company, and so far I am very satisfied with the treatment that the company has given me, I work in 233 Broadway.”
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Michael McKeever Private Investigator
- Polite
- Opinion
- The Future
“Michael was very reactive, discreet, sensitive and understanding,he did the job at a very fair price, he provided me with all the information I looked for and beyond, he even offered me a double check and free additional advice.”
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ELK Investigations
- Company
- Custody
- Patient
“Elk has assisted me with cases I needed help with any always has always been responsive in a timely manner and very professional in regards to surveillance.”
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Spartan Detective Agency
- Information
- Attorney
“Had a tenant living for almost 2+ years without paying any rent and currently still living and had no information of her especially her social security information because my dad forgot to get that information but our lawyer recommended this service ...”
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Intuit Investigative Resources
- Team
- Information
- Understatement
“The LM blog cannot thank Intuit Investigative enough for working with us over the course of the last 4 years to verify information; to assist the blogsite in following leads and to provide information and potential corrections.”
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Corporate Investigators (JL & Associates
- Industry
- Job
“Even though they told me it wasn't necessary to write a review for them, I insisted and am telling anyone in need of "peace of mind" and requires the very best, these are guys to help you.”
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International Investigative Group
- Heart
“I'm known to be very difficult to deal with and Lisa got through my defenses and put my heart at ease during one of the most nerve wrecking experiences of my life.”
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Argus Investigative Services
“I run a tournament circuit and we had a guy who we believed was cheating in our tournaments but we could not prove it so I hired Argus and Rocco was great a month later we had the proof we needed and the gentleman no longer is fishing in our tourname...”
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Rexxfield Cyber Investigation Services
- Team
“Not only has Rexxfield helped repair the damage done to our reputation by unjust and spiteful individuals and competitors, but they have also been able to positively identify these anonymous and malicious critics.”
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Silver Shield
- Price
- Money
“Highly recommended, Fast and Reliable and Responsive on Results.”
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New York - Private Investigators
“I had a great experience with these private investigators in brooklyn, ny.”
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Mossad Investigations & Security Corporation
Private Detective Services in Staten Island, NY Cost Estimates
Minimum cost
$372
Maximum cost
$11766
National Average
$1487
Avg Per Hour Rates
$155
$867
$2477
Average price range is based on 446 cost profiles
Why these companies made our list
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