Best Private Investigators near Slidell, LA
1 of these agencies is based in Slidell; the others serve Slidell from towns including Mandeville (18 mi), Covington (24 mi) and New Orleans (17 mi).
1 open 24/7 · 6 open weekends · 8 rated 4.5+ · 2 show a license
Data verified October 17, 2026
Ed Prevost Investigations & Process Service
“With contacts from the hole in the wall to Capital Hill, equipment and resources rivaling the D.”
Crescent Investigations
“I hired them for a delicate matter and they handled it with utmost professionalism and discretion.”
M A Stringer Associates
Beaver Investigations
“Stephanie came back with contact information about someone within 24 hours AND she only charged $35.”
Bedell & Menke Investigations and Consulting
The 10 agencies on this page are the private investigators listed for Slidell, LA. 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: Slidell, LA
The 10 agencies on this page are rated from 4.0 to 5.0 across 34 reviews; 8 are rated 4.5 or higher. 1 is open around the clock; 6 are open on Saturdays and 4 on Sundays. 2 show a license on their websites. 7 have ten or more years of experience, the longest 29 years. 1 offers urgent consultations; 1 offers a free initial consultation and 1 is family- or locally-owned. We have a website on file for 9 of the agencies on this page; 7 publish a contact page; 5 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.
Which investigators listed for Slidell describe their work online?
9 of the 10 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.
Applied Marine Technology
Forensic Investigations Group
MJT Investigations
Lucas Investigative Services L.l.c.
Why these companies made our list
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