- Trusted by over 7,600+ customers
Intruder alarm monitoring designed for rapid response, protection and compliance
At Mitie Fire & Security, we deliver resilient, compliant intruder alarm monitoring services that strengthen your security systems and protect your premises day and night.
Accredited ARC
Monitoring delivered through certified ARCs operating to BS 5979, BS EN 50518 and NSI Gold standards.
Police response compliance
Systems configured to meet NPCC requirements, including URN compliance and confirmed alarm criteria.
Secure signalling resilience
Dual-path signalling and failover protection ensure alarm signals reach the ARC without interruption.
Nationwide support
Ongoing monitoring and engineering support delivered across single sites and national portfolios.
Detection is instant. Response must be too.
Mitie Fire & Security delivers professional intruder alarm monitoring services that ensure every activation is received, verified and escalated in real time.
By connecting your system to a certified Alarm Receiving Centre, we provide continuous protection, rapid response and full compliance support.
- Priority connections to emergency services
- NSI Gold Cat II accredited
Our Intruder Alarm Monitoring Services
Mitie provides structured intruder alarm monitoring designed to ensure reliable response, compliance and system performance.
- Alarm Signal Handling
When your system activates, signals transmit immediately via secure signalling, are assessed by trained operators and escalated to keyholders or emergency services where required.
- Police Response Configuration
Systems configured to meet URN requirements, confirmed alarm criteria and grading standards aligned with risk level.
- Secure Signalling Solutions
Support for dual-path signalling, IP and GSM communication, automatic path monitoring and failover protection.
- Confirmed Alarm Monitoring
Implementation of sequential detection, audio verification, visual verification and dual-technology sensors to improve response accuracy.
- Integrated System Monitoring
Monitoring integrated with CCTV and access control systems to enable verification, event review and coordinated response.
- Ongoing Monitoring Support
Continuous signalling health checks, keyholder management, escalation protocol reviews and compliance servicing.
What is intruder alarm monitoring?
Intruder alarm monitoring links your alarm system to a dedicated, accredited Alarm Receiving Centre (ARC).
- The signal transmits immediately via secure signalling
- Operators assess the activation
- Police or keyholders are notified where required
- The incident is logged and managed through to closure
Turn detection into decisive action
Mitie Fire & Security delivers accredited intruder alarm monitoring services designed for resilience, compliance and real-world risk.
Secure signalling and dual-path resilience
Alarm signals must reach the ARC without interruption. We support graded signalling solutions including:
- Dual-path signalling (DP1–DP4)
- IP and GPRS/GSM communication
- Automatic path monitoring
- Failover protection
Dual-path systems use two independent transmission routes. If one fails, the second maintains connectivity — reducing vulnerability and supporting higher insurance grades.
Designed for system grading and compliance
Monitoring must align with intruder alarm grading requirements under PD 6662 and BS EN 50131.
We support:
- Grade 2 systems (lower risk commercial premises)
- Grade 3 systems (higher risk commercial sites)
- Grade 4 systems (high security environments)
Correct grading ensures compliance with insurer expectations and police response criteria.
Why professional intruder alarm monitoring matters
Because detection alone isn’t protection.
Intruder alarm monitoring helps you
- Reduce response delays
- Protect unoccupied premises
- Meet insurance and police requirements
- Maintain verified incident records
- Strengthen business continuity
Proven experience. National capability.
We deliver intruder alarm monitoring services across commercial, industrial and public sector environments.
24/7, 365
around-the-clock protection
7,600+
Customers across the UK
800+
Dedicated specialists
FAQ: Intruder Alarm Monitoring
What standards apply to intruder alarm monitoring?
Monitoring centres should comply with BS 5979 or BS EN 50518 and be NSI approved. Alarm systems must align with PD 6662 and BS EN 50131 for grading and police response eligibility.
What is dual-path signalling?
Dual-path signalling uses two independent communication routes (such as IP and GSM) to transmit alarm signals. If one path fails, the second maintains connectivity.
What is a URN?
A Unique Reference Number (URN) is issued by police to qualifying monitored intruder alarm systems. It enables eligible police response when confirmed activations occur.
Do monitored intruder alarm systems reduce false alarms?
Yes. Confirmed alarm technologies such as sequential detection and visual verification reduce false activations and support accurate response.