Phoenix Legal Group
“They did an excellent job finding an evading person of child support for me.”
Best Private Investigators near Alpharetta, GA
3 of these agencies are based in Alpharetta; the others serve Alpharetta from towns including Atlanta (23 mi), Roswell (5 mi) and Peachtree Corners (8 mi).
5 open 24/7 · 12 open weekends · 12 rated 4.5+ · 6 show a license
Data verified October 19, 2026
Inquest Solutions
Horizon Background Screening
“Very professional company, always responds to inquiries quickly and efficiently and their turn around time is most expedient.”
Black Spear Intelligence
“I highly recommend them and would definitely work with them again for any future needs.”
Spearhead Investigations
“I can honestly say that many of the successes we've had since working with them simply would not have happened without them.”
Express Legal Services
“Thank you Express Legal Services for finding a serving a Defendant who was avoiding service.”
The 15 agencies on this page are the private investigators listed for Alpharetta, GA. 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: Alpharetta, GA
The 15 agencies on this page are rated from 4.1 to 5.0 across 189 reviews; 12 are rated 4.5 or higher. 5 are open around the clock; 12 are open on Saturdays and 7 on Sundays. 6 show a license on their websites and 1 has a BBB rating of A or A+. Domain records put 9 websites of the agencies on this page at ten or more years old; the oldest dates from 2000. 5 offer urgent consultations; 4 offer a free initial consultation and 1 is family- or locally-owned. 1 has Spanish-speaking staff. We have a website on file for 12 of the agencies on this page; 10 publish a contact page and 8 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 Alpharetta shown here?
3 of the 15 agencies have an address in Alpharetta. 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.
Profiles Investigations
“I worked with this company a couple of weeks ago and they were completely professional, quick and helpful!!”
Georgia P.I.
“David is one of the most honest people you will speak to , he will handle your case with diligence and care.”
Afpi Global & Affair Investigations
“Great company all around answering questions helpful and honest Happy that I took my business here and any future business I have will also be done here.”
Callahan & Associates
“I hired a private investigation agency for surveillance and they did an impressive job.”
Calabash Investigative Consultants
“Reliable service from a true investigator.”
Whitestone Investigations
“White Stone investigations is by far the best investigation company in the area.”
Global Intel Group
“Nobody takes his line of work more seriously and his years of experience have helped in numerous cases.”
Digital Investigations
C.s.i Investigations
“You will get a report on time every time he finds something.”
Why these companies made our list
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