Legal Investigations
- Responsive
- Team
- Attorney
24 agencies listed · 5 in Alexandria · 9 open 24/7 · 14 open weekends · 23 rated 4.5+
Data verified October 21, 2026
The 24 agencies on this page are the private investigators listed for Alexandria, VA. 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.

5 of the 24 agencies we list are based in Alexandria; the other 19 serve Alexandria from towns including Washington, DC (7 mi), Fairfax (12 mi) and Arlington (4 mi). The agencies on this page are rated from 4.1 to 5.0 across 771 reviews; 5 have 50 or more reviews and 23 are rated 4.5 or higher. When clients rate these agencies on specific qualities, they most often praise professionalism (98%), responsiveness (79%) and quality (71%). 9 are open around the clock; 14 are open on Saturdays and 12 on Sundays. The services the agencies on this page list most often on their websites are executive protection (4), security consulting (3), event security (2), process service (2) and residential security (2). 5 show a license on their websites and 3 have a BBB rating of A or A+. Domain records put 15 websites of the agencies on this page at ten or more years old; the oldest dates from 1997. 9 offer urgent consultations; 8 offer a free initial consultation; 2 are family- or locally-owned and 1 lists coupons or special offers. 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.
22 of the 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.