At Diamond, we act with respect, lead with courage, and deliver with excellence. We have been providing advanced security, life safety, and monitoring solutions for four decades.
We offer advanced security solutions to protect your premises from threats. Our services include:
Protect your employees, customers, and assets with industry-leading life safety solutions:
Regular maintenance and monitoring ensure your systems work when you need them most:
We provide certified training to ensure compliance and system effectiveness:
Discover how we’ve helped businesses and organisations across Northern Ireland with bespoke security and fire safety solutions.
Who We Are
Diamond Systems is a second-generation family business, NSI Gold-accredited, and trusted across Northern Ireland and beyond. Our expertise in security and life safety systems ensures the highest level of protection for homes and businesses.
More About Us
We pride ourselves on providing an exceptional service to our clients, read what our clients have to say about working with us.
News
Every month, our Joint Managing Director, Angela Bennett, shares an insight into...
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Diamond Systems was proud to be part of the Women in Fire Safety Awards 2025 in...
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While in London for the Women in Fire Safety Awards, our Joint Managing Director,...
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