Serving homes and businesses across Southwestern Ontario for over 35 years
Toll-free (800) 440-3387Local (519) 243-2544

Welcome to peace of mind

Your property.
Protected.

Custom security, real-time monitoring and smart control—backed by an experienced local technician you can reach when you need help.

Call (519) 243-2544Request a consultation

Protection wherever you are

Your cottage is never out of sight.

Monitor your waterfront property, receive real-time alerts and stay connected from home or while you’re away.

Protect your property

Complete protection

One trusted team.
Every layer covered.

Systems are easier to install than ever, but thoughtful design and programming still require experience. TNT creates every solution around the property and people it protects.

01

Security & alarms

Reliable intrusion detection designed for your property and routine.

02

Video surveillance

Clear, connected cameras that help you see what matters in real time.

03

24/7 monitoring

Responsive monitoring for homes, cottages, offices and businesses.

04

Smart automation

Control security, locks, lighting and temperature from your mobile device.

Residential security

Peace of mind starts at home.

Protect your home with professionally designed surveillance, real-time alerts and convenient mobile access wherever you are.

Protect your home

Experience meets technology

Security with a personal connection.

Advanced technology is reassuring. Knowing an experienced technician is only a call away makes it personal.

TNT combines proven products with more than 35 years of hands-on problem solving. From a family cottage to a busy commercial property, we listen first, design the right system and remain available when you need advice or service.

  • Residential security
  • Commercial protection
  • Wireless technology
  • Mobile app access
  • System upgrades
  • Professional support
Talk to a specialist

More than alarms

Comfort, control and confidence.

Bring protection, automation and entertainment together with carefully selected technology and knowledgeable local installation.

Sonos home audio system

Home sound by Sonos

TNT Security Systems is proud to represent premium sound systems by Sonos.

Security monitoring technology

Real-time monitoring

You deserve the best service and proven technology to help protect your family or business.

Mobile security control

You are in control

Monitor and manage areas of your home or business using wireless and mobile-app options.

Commercial security

Protection that means business.

Professionally designed security, video surveillance and real-time monitoring for offices, facilities and commercial properties of every size.

Protect your business

See our systems at work

Real properties. Real protection.

Learn how connected security can protect a resort, cottage, home or workplace while keeping control simple.

TNT & Rock Glen Resorts

A real-world look at reliable property protection.

Safe, smart and powerful

Connected security and convenient control in action.

Planning a move?

Security for your new beginning.

Our qualified service technicians install new, state-of-the-art wireless technology at your new home or office—and can help arrange new services for your buyers.

Plan your move with TNT

Trusted by our neighbours

Service people remember.

Long-term relationships grow from clear advice, dependable equipment and being there when customers need help.

★★★★★
“Efficient and cost effective. Before long we were back up and running smoother than ever. Thanks TNT!”
Jeff MacLean Dealer / Owner
★★★★★
“He is extremely professional, responds any time we reach out, and provides the best technology and support on the market.”
Jeff Bouwman Residential customer
★★★★★
“Ted has always responded promptly to equipment issues or service requests and completed work in a timely and courteous manner.”
Debbie Jonah Grand Bend Motorplex
★★★★★
“Fast friendly service goes beyond. If I was to rate your business it would be five stars all day.”
Dan Saint Xtreme Water Sports
★★★★★
“Knowledgeable, friendly, efficient and cost effective—all the things you expect from a company and more.”
Chris Ravell Insurance Company
★★★★★
“It was obvious he cares about his clients. We can do everything from our phone, and we’ve recommended TNT to others.”
Eric Outhwaite Residential customer

Get in touch

Let’s design the right system.

Tell us about your home, cottage, office or commercial property. A TNT professional will help you explore practical options.

Over 35 years of experience

Ready for smarter, more personal protection?

Call TNT today