Ontario's Most
Trusted Security
Partner
Performance-led security professionals protecting businesses, properties, and people across the Greater Toronto Area since 2015.
Request a Free Quote
No obligation. We respond within 2 hours during business days.
Certified, Licensed & Compliant
Every Diligent guard meets the strictest provincial standards before stepping on-site.
Licensed Security Agency
Fully compliant and licensed to operate under the Ministry of the Solicitor General in Ontario.
WSIB Cleared
Maintains full standing with the Workplace Safety and Insurance Board for guaranteed workplace safety.
$5M Liability Insurance
Comprehensive enterprise-grade insurance coverage to fully protect your property and assets.
24/7 Dispatch Centre
Round-the-clock live dispatch and operational support ensuring immediate response capabilities.
Background Checked
Rigorous vetting including criminal record checks and vulnerable sector screening for all personnel.
First Aid Certified
Every guard holds active Standard First Aid and CPR Level C certifications for emergency readiness.
Your Security, Simplified
We've removed the friction from hiring security. Here's what happens when you reach out.
Rapid Assessment
Submit a quote request. We respond within 2 hours to discuss your specific vulnerabilities and requirements.
Custom Strategy
We design a tailored security protocol and assign guards whose training specifically matches your environment.
Active Deployment
Our team deploys on-site. You gain immediate access to our 24/7 dispatch and real-time reporting dashboard.
Protecting Ontario
Security That Goes Beyond Presence
Diligent Security Services was founded on a simple belief: every client deserves a security partner that is proactive, professional, and invested in their safety. We don't just fill a post — we protect your people, your assets, and your reputation.
Our mission is to make Canadian communities safer. Our manifesto is to change how security is done — through rigorous hiring, continuous training, and tailored strategies built for your unique risk profile.
- Locally owned and operated in the GTA
- Rapid deployment for short-notice requirements
- Dedicated account manager for every client
- Real-time incident reporting & documentation
Comprehensive Security Services
Tailored protection for businesses of every size and industry across Ontario.
Concierge Services
Welcoming yet vigilant front-desk and lobby security for condominiums, apartments, and corporate buildings.
Construction Security
24/7 deterrence against theft, vandalism, and unauthorized access on active construction and job sites.
Warehouse & Truck Yard
Protecting logistics hubs, inventory, and supply chain operations with uniformed and mobile teams.
Mobile Patrol
Randomized and scheduled vehicle patrols providing rapid response and broad coverage across your property.
Event Security
Crowd management, access control, and emergency response for corporate events, festivals, and galas.
Healthcare Security
Specialized teams trained for hospital environments ensuring the safety of patients, staff, and visitors.
No More "Ghost Guards"
We use enterprise-grade technology to guarantee our guards are exactly where they need to be. Total transparency, total peace of mind.
- GPS Guard TrackingLive geolocation ensures active patrolling.
- Digital Incident ReportsInstant alerts with photos and timestamped data.
- Client Dashboard AccessReview logs and shift reports in real-time.
Specialists In Every Environment
From high-rise condominiums to construction megaprojects — we've seen it all.
Condominium & Residential
Construction & Development
Logistics & Warehousing
Corporate Offices
Healthcare Facilities
Retail & Commercial
The Diligent Difference
Built for clients who demand more than minimum standards.
24 / 7 Dispatch
Our operations centre and mobile units are on standby around the clock, ready to respond within minutes.
Elite Guards Only
Every hire undergoes a thorough background check, Ministry licensing verification, and site-specific training.
Custom Strategies
No cookie-cutter contracts. We assess your vulnerabilities and design a security plan built exactly for your risk profile.
We Earn Trust Every Single Day
Real words from the businesses we protect across Ontario.
Diligent Security Services is a professional run company. The security guards take their responsibility seriously and go above and beyond security. They protected our property, investigated any suspicious activity, and always filed a report. We would not hesitate to refer them to other company's requiring security needs.
Provided excellent presence in a delicate situation. Very professional and courteous! Thank you Alex and team!
Best for short time security services in city
Frequently Asked Questions
Everything you need to know before getting started.
Ready to Secure Your Property?
Contact our team today for a no-obligation security assessment and custom quote.