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Residential and Commercial Security Systems

We sell, service, install, and monitor security systems to protect your home & business.

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Your Protection Is Our Business

Trusted Security Systems in the Niagara Region

Protecting your residential or commercial properties just got better. Ensign Alarm Systems provides reliable security systems to monitor your property 24/7. 24-hour monitoring builds a safer environment and helps prevent theft. Our response team monitors your property 24/7 to ensure fast and direct response. Our sophisticated systems protect you and your family from intrusion, fire, carbon monoxide, flooding, and more.

Since 1962, we have been providing alarm systems and safeguarding the people of the Niagara Region successfully. From surveillance to fire alarm systems, our trained team of technicians install and repair security alarm systems professionally. We are a locally owned and operated company servicing the residential, commercial, and industrial sectors. Rest assured with a security system monitoring your premises 365 days a year, 24-hours a day.

Free Quotes

Wish to find out the price of our security alarms? We offer free estimates.

Residential Security Systems

Ensign Alarm Systems helps you protect your properties.

Commercial Security Systems

We sell, service, install, and monitor security systems to protect your business.

Smart Security Systems

Our security systems monitor your space intelligently. Some of our products and services include:

  • CCTV camera surveillance systems

  • Intrusion Alarm Systems

  • Panic emergency systems

  • New home prewires

  • Door video/phone systems

  • Medical emergency systems

  • And more

Customer Referral Program

A satisfied customer is our best marketing resource. We encourage our customers to tell their friends and family about Ensign Alarms. Our reputation for professional installations, competitive pricing, and quality customer service makes Ensign the alarm company of choice in the Niagara Region. As a satisfied customer, spread the word about Ensign Alarms! For each new Ensign monitored alarm system, you will receive a referral credit of two months of free monitoring for your own system.

Pass it on - they will be sure to thank you!

Don’t Take our Word for It - Ask Our Competitors These Important Questions!

Excellent Customer Service

I want to thank you and your staff for excellent customer service. Yesterday, new patio doors were installed in my home, and the alarm transmitter and magnet had to be moved by the installer. It was a little tricky and we needed to talk directly with you. Both Dale and Les were very responsive and considerate; needless to say, professional. 

- Carol, Welland, Ontario

Enjoying the Comfort

For the first time, I am enjoying the comfort, peace, privacy and safety of my home through Ensign's protection. Please keep up the good work!

- Bob, Fort Erie, Ontario


Thanks to Les, your long-term technician, for looking after this problem while we were away. You are fortunate to have him represent your firm!" 

- Enid, Pelham, Ontario

Courteous, Prompt and Professional

Thank you for the prompt service on our home system. The repair man was courteous, prompt and professional." 

- David, Welland, Ontario

Brands You Can trust

  • Watch Net
  • Nortek
  • Honeywell
  • Numera
  • DSC


Ensign Alarm Systems
50 Division Street
Welland, ON 

L3B 3Z6

Office Hours

Monday - Friday 08:00 AM - 05:30 PM

Saturday - Sunday Closed

Monitoring Service Hours



  • St. Catharines
  • Niagara Falls
  • Welland
  • Pelham/Fonthill
  • Niagara on the Lake
  • Thorold
  • Fort Erie
  • Port Colborne 
  • Grimsby
  • Lincoln
  • Ridgeway
  • Wainfleet
  • Surrounding areas


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