Alpha Security & Investigations
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21 agencies listed · 5 in Laval · 2 open 24/7 · 7 open weekends · 10 rated 4.5+
Data verified October 23, 2026
The 21 agencies shown for Laval, QC carry out investigation work: surveillance, tracing, background and asset inquiries. Details of licence, specialties and coverage come from each agency's own website, and ratings and quotes come from public reviews.

5 of the 21 agencies we list are based in Laval; the other 16 serve Laval from towns including Montreal (17 km), Sainte-Rose (4 km) and Saint-Laurent (10 km). 15 of the agencies on this page have a rating, from 3.6 to 5.0 across 338 reviews; 2 have 50 or more reviews and 10 are rated 4.5 or higher. 2 are open around the clock; 7 are open on Saturdays and 4 on Sundays. 1 shows a licence on its website. Domain records put 7 websites of the agencies on this page at ten or more years old; the oldest dates from 2006. 2 offer urgent consultations and 2 offer a free initial consultation. We have a website on file for 18 of the agencies on this page; 13 publish a contact page and 14 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.
18 of the 21 agencies here have a website recorded. That is where a firm sets out its provincial licence, the inquiries it handles, and whether its clients are mostly law firms, insurers or private individuals. The client mix tells you a good deal about how carefully its reports are prepared.