Atwell Investigations
“Their services are at the top when it comes to profesionalism, ethics, and making sure their clients are taken care of.”
Best Private Investigators in Phoenix, AZ
19 agencies listed · all 19 in Phoenix · 10 open 24/7 · 14 open weekends · 15 rated 4.5+
Data verified October 21, 2026
Aragon Investigations
“I had the pleasure of working with Aragon Investigations and had a fantastic experience.”
Quantum Investigations
“If anyone needs a private investigator in Phoenix AZ, then give Jeff a call!”
Strategic Investigations and Security
“I got more information then what I asked for within several hours and the price was reasonable.”
Get It Done Law
“They were very helpful with my dui case, making it as painless as posible.”
Fisheye Investigation Group
“I recently needed a background check done for myself and Fisheye Investigation took care of the task for me in a timely manner.”
The 19 agencies on this page are the private investigators listed for Phoenix, AZ. 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: Phoenix, AZ
All 19 agencies we list here are in Phoenix itself. We have 21 agencies in Phoenix on file; this page shows the highest-rated 19. 15 of the agencies on this page have a rating, from 4.5 to 5.0 across 245 reviews; 1 has 50 or more reviews. When clients rate these agencies on specific qualities, they most often praise responsiveness (83%), professionalism (80%) and quality (63%). 10 are open around the clock; 14 are open on Saturdays and 12 on Sundays. 9 show a license on their websites and 2 have a BBB rating of A or A+. Domain records put 13 websites of the agencies on this page at ten or more years old; the oldest dates from 2002. 10 offer urgent consultations; 8 offer a free initial consultation; 1 is family- or locally-owned and 1 lists coupons or special offers. We have a website on file for all 19 of the agencies on this page; 14 publish a contact page; 14 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 Phoenix discuss a case free?
8 of the 19 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.
Adam & Eve Investigations
“I contacted Greg, explained the situation to him and he provided information the same day which lead to recovering my property.”
Arizona Private Investigators
“Finally provided notary services - that would have been next to impossible for me to do alone.”
Cutty & Associates Private Investigations
“When I didnt know where to turn, this investigation firm got the answers I needed in my case.”
Charlie Mike Protective Services and Investigations
“Have been working with this company for years they are the Best!”
Arizona Private Investigation Services
“They validated the results a multitude of times by putting their heart and soul into what my needed to know.”
Lawgrrl
“I will definetly use her again and would highly recommend her to anyone needing paper service.”
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Team Guardian
Integrity Attorney Services
“Called and spoke with Integrity and the woman on the line was extremely helpful and very friendly.”
JBS Private Investigation
“He's quick, professional, diligent, and kind.”
Premier Private Investigators
Tolhurst International
Investigative Research
My Eye Investigations
Why these companies made our list
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