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Elite Investigations
- Attorney
- Job
- Matter
“On the other case, i had called one other PI in the Bay Area in California, and after one phone conversation, did not respond further to even let me know they wouldn't pursue the case.”
Best Private Investigators in Las Vegas, NV
24 agencies listed · all 24 in Las Vegas · 9 open 24/7 · 12 open weekends · 17 rated 4.5+
Data verified October 18, 2026
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Las Vegas Polygraph and Investigations
- Screening
- Nerve
- Employment
“Hannah is patient and mindful of the sensitivity of your situation as well as extremely knowledgeable about polygraph and various other things as they relate to law enforcement.”
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LV Process & Investigations
- Document
- Company
“From start to finish they were professional, accommodating, informative, walked me through what needed to be done, and communicated throughout the entire process.”
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True Investigations
- Company
- Background Check
- Information
“When I had suspicions that my better half was stepping out on me, my divorce attorney retained TRUE Investigations, who promptly secured the evidence needed to document the validity of my concerns.”
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Discreet Investigations
- Results
- Company
- Information
“Great service fast and efficient I got all the information and what I needed in less than 48”
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Action Process Service of Nevada
- Job
- Communication
“Phil answered all my questions via phone & email immediately, and successfully served our papers in less time that it took to mail them to the sheriff.”
The 24 agencies on this page are the private investigators listed for Las Vegas, NV. 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: Las Vegas, NV
All 24 agencies we list here are in Las Vegas itself. We have 29 agencies in Las Vegas on file; this page shows the highest-rated 24. 22 of the agencies on this page have a rating, from 4.4 to 5.0 across 198 reviews; 17 are rated 4.5 or higher. 9 are open around the clock; 12 are open on Saturdays and 11 on Sundays. 15 show a license on their websites and 2 have a BBB rating of A or A+. Domain records put 19 websites of the agencies on this page at ten or more years old; the oldest dates from 1999. 9 offer urgent consultations and 7 offer a free initial consultation. 2 have Spanish-speaking staff. We have a website on file for 22 of the agencies on this page; 21 publish a contact page; 16 list a public email and 1 takes bookings online. We count these figures across the agencies on this page; hours and prices change, so confirm the details with the agency before you book.
Do investigators listed for Las Vegas discuss a case free?
7 of the 24 agencies state that a first consultation costs nothing. Use it to describe the problem and hear whether the work can be done lawfully at all. A straight agency will sometimes tell you on that call that what you want cannot be obtained, which saves you a retainer.
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Sin City Private Investigators, NV PI #1421
- Background Checks
“We had a neighbor let us know that they thought our new renters may have had way more people living in the house, so we called and had Robert see if he could find out if they were breaking the lease.”
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Francis & Associates Private Investigator
“Clear and consistent communication, speedy results, and wonderful to work with - cannot recommend enough!”
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Hunter Investigative Group
“Hunter Investigation is a very professional and articulate on their investigations.”
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Exfed Investigations
“Ex Fed Investigations has performed many back ground investigations and other tasks for me/my companies over the past few years and have been totally satisfied with the thoroughness, complete and timely reports.”
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Griffin Investigations
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Desert Polygraph
“Helped me and my husband.”
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Venus Investigations
“Meanest investigations is owned by a woman she's very thorough she's very good and she's very honest I don't have a bit of a problem with that”
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Lomprey Investigation
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Bullet Legal Services
“Bert is absolutely an amazing person honest and does not waste time with your case they helped me and because of them I finished my case quickly and found the person that needed to be served.”
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Safe-Screen
- Background Checks
“Bill is committed to staying up-to-date on certifications, laws, and other matters that are continually affecting security measures such as background checks.”
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Strategic Investigative Services
“Patrick is a great investigator for both criminal and family law case matters.”
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Norton Consulting Invstgtns
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Personal Investigations
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Expert Handwriting Analysis
“Thank you Brenda because of you I have been absolved from any responsibility with regards to the loan.”
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Scarborough Investigations
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AGR Detective Agency
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Global Reliance Investigations
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RDF Investigative Agency
“I highly recommend for anyone who's looking for a reliable person.”
Why these companies made our list
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