Intruder alarm systems
Secure your premises with professionally designed intruder alarm systems.
An intruder alarm system is one of the most effective ways to protect your people, property and assets from unauthorised access. Whether you're securing a commercial premises, office, retail unit or industrial facility, a professionally designed intruder alarm helps deter criminal activity, detect intrusions at the earliest opportunity and provide complete peace of mind.
We design, install, commission and maintain advanced intruder alarm systems for businesses across Northern Ireland. Every system is tailored to your premises and level of risk, delivering reliable protection backed by experienced engineers, quality workmanship and responsive ongoing support.
Regular servicing and maintenance ensure your intruder alarm continues to operate reliably when it matters most.
- Deters & detects intrusion
- SSAIB certificated
- Tailored to your risk
- Maintenance packages
- Rapid repairs
Intruder alarm installation & commissioning
A professionally installed and commissioned intruder alarm system delivers reliable security, effective intrusion detection and complete peace of mind. Our engineers design, install, commission and thoroughly test every system to perform exactly as intended — tailored to your premises, with full certification and long-term reliability.
Intruder alarm maintenance
Regular maintenance keeps your system reliable, compliant and ready to protect your premises. Our qualified engineers carry out routine inspections, testing and preventative maintenance to maximise performance, reduce the risk of faults and ensure your system operates when it's needed most.
Intruder alarm repairs
When your intruder alarm develops a fault, a prompt and professional response is essential. Our engineers provide rapid fault diagnosis and expert repairs, identifying issues quickly and returning your system to full working order with minimal disruption.
Talk to us about intruder alarm systems
From design and installation to maintenance and 24/7 support, GDC Fire & Security is here to help.