Top Security Companies In Ontario In 2026

Security companies in Ontario provide a range of security services to businesses, residential properties, and government institutions. These companies specialize in security guard services, CCTV installation, access control systems, alarm monitoring, and emergency response services. They employ trained and licensed security personnel who are equipped with the latest technology and tools to protect people, assets, and property. Security companies in Ontario also offer customized security solutions to meet the specific needs of their clients. They operate round the clock to ensure the safety and security of their clients.

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Top Security Companies In Ontario In 2026

Here are the 50 Top Security Companies In Ontario In 2026 and their top employee and leadership contact details:

Location
Ontario
Employees
101-250
Revenue
80.07M
Website
rewind.com
Founded
2015
Location
Ontario
Employees
51-100
Revenue
91.87M
Website
securekey.com
Founded
2008
Location
Ontario
Employees
51-100
Revenue
18.58M
Website
avantelogixx.com
Founded
1998
Location
Ontario
Employees
51-100
Revenue
5.20M
Website
tauria.com
Founded
2015
Location
Ontario
Employees
11-50
Revenue
135K
Website
3deye.me
Founded
2007
Location
Ontario
Employees
11-50
Revenue
2.60M
Website
guardly.com
Founded
2010
Location
Ontario
Employees
10000+
Revenue
5.71M
Website
elliptictech.com
Founded
2001
Location
Ontario
Employees
1-10
Revenue
300K
Website
blacksumac.com
Founded
2012
Location
Ontario
Employees
11-50
Founded
2003
Location
Ontario
Employees
11-50
Website
shinydocs.com
Founded
2013
Location
Ontario
Employees
11-50
Website
sdelements.com
Founded
2011
Location
Ontario
Employees
11-50
Revenue
110K
Website
plainmark.com
Founded
2012

Frequently asked questions about Top Security Companies In Ontario In 2026

How many companies are listed here? This page currently includes 50 companies.

What information is included for each company? Entries include company profile links, employee estimates, location, website, and contact discovery details where available.

How fresh is this data? This list is refreshed periodically as source records change.

How do I find verified contacts for a company? Open the company profile and email-format pages from the links above, or click See All Employees for direct search results.

What is the best way to prioritize accounts from this list? Start with companies that have clear firmographics (website, location, team size), then validate likely email patterns before launching outreach.