Home security
simplified
ASL is your locally owned security partner. We custom design, install and monitor security, camera, fire and network systems for homes and businesses across Cornwall, Stormont, Dundas & Glengarry.
Complete protection,
installed by locals
One team for design, installation and service.
Protecting homes and businesses across Ontario, from our Cornwall home base
Wherever you are, your property stays covered — arm, disarm and check cameras from your phone, with a real operator watching 24/7.
Live monitoring active24/7
Live operator monitoring
ULC
Fire monitoring standards
10 min
Local critical dispatch
What we do
Security, video, fire, access & networking
Residential
Protect your family with alarm systems, doorbell and yard cameras, smart locks and monitored smoke detection — installed cleanly and explained in plain language.
Commercial
Access control, multi-site camera systems, fire alarm inspection and structured cabling for shops, warehouses, offices and industrial sites — single location or multi-site across Ontario.
Explore
Explore ASL
Let's secure
your property
Free, no-pressure consultation for homes and businesses in Cornwall, SD&G and across Ontario. Tell us about your property and we'll design a system that fits it.