Travis Investigations
“She and her crew truly love what they do, and you can tell the dedication they all have for their community and clients”
Best Private Investigators in Austin, TX
15 agencies listed · 14 in Austin · 6 open 24/7 · 7 open weekends · 10 rated 4.5+
Data verified October 18, 2026
She Spies Private Eye
“The entire staff responded to my request quickly and took the time to ask detailed, thoughtful questions so they could fully understand my situation and specific needs.”
Sage Investigations
“Using their proprietary software they were able to scan thousands of entries in a large number of financial documents for twenty bank accounts and three brokerage firms from over a five year period much quicker than can be done manually.”
Verintegra Security & Investigations
“They provide us consistent, top tier service and are always quick to respond.”
U.S. International
No Stone Unturned Investigations
“I contacted No Stone Unturned late Wednesday night, and had a report in my inbox before lunch Thursday.”
The 15 agencies on this page are the private investigators listed for Austin, TX. 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: Austin, TX
14 of the 15 agencies we list are based in Austin; the other one does not publish an address. 14 of the agencies on this page have a rating, from 3.6 to 5.0 across 174 reviews; 1 has 50 or more reviews and 10 are rated 4.5 or higher. 6 are open around the clock and 7 are open on weekends. 5 show a license on their websites and 2 have a BBB rating of A or A+. Domain records put 8 websites of the agencies on this page at ten or more years old; the oldest dates from 2001. 6 offer urgent consultations; 1 offers a free initial consultation and 1 lists coupons or special offers. We have a website on file for all 15 of the agencies on this page; 11 publish a contact page; 7 list a public email and 1 takes bookings online. 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 Austin shown here?
14 of the 15 agencies have an address in Austin. 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.
Ranger Protection Agency
“Even if it's outside the hours, I have hired them for patrol, like during the day when we were working, if I call them for anything they are incredibly quick to respond.”
NSI National Scope Investigations
“I highly recommend their services to anyone in need of dependable investigative support”
United International Investigations
Graycat PI, Corp
“Their team went above and beyond to provide me with the information I needed, all while maintaining the utmost discretion and confidentiality.”
Scientific Investigation
Investigations Unlimited
Gold Standard Investigations Texas
Bloodhound Investigations
“I contacted Bloodhound Investigations and within a few hours they had somehow located not just one, but two defendants, and got them both served.”
Phalanx Protection Worldwide
Why these companies made our list
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