The Best Security System in Belfast

Handpicked Top 3 Security Systems in Belfast, UK. Our 50-Point Inspection includes everything from checking reviews, ratings, reputation, history, complaints, satisfaction, trust and cost to the general excellence. You deserve only the best!


Diamond House, Harbour Court, 5 Heron Road, Belfast BT3 9HB

Since 1987

Fire Detection, Fire Alarm, Emergency Lighting, Intelligent Extinguishing, Air Sampling, Flame Detection, Security Lighting, Intruder Alarms, CCTV Alarms, Video Analytics, Access Control, Visitor Management, Voice Alarm, Refuge, Deaf Alert Paging, Fire Telephone, Intercom, Public Address, Paging Systems, Assistance Alarms & Remote Monitoring

Offers a Series of Seminars Alongside Our Global Partners throughout the Year to Increase Awareness on Changes to Legislation - Delivers Services to a Broad Range of Customers, on Systems of All Sizes and Complexities - Offers Free Quotes

Registration NI028033

Mon - Sun Open 24 Hours

I find the staff at Diamond Systems helpful and the service to the Tower Centre has always been very good. Their response time is excellent and they explain things in a way that we understand.
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238 Beersbridge Road, Belfast BT5 4RZ

CCTV Solutions, New Void Technology, Security Guards, Anti-social Behavior, Virtual Patrols, Mobile Patrols, Health and Saftey with Fire Tests, Response Units, Remote Monitoring, Intruder Alarms, Access Control, Fire Alarms, Fire Extinguishers, Smoke Detectors, Nurse and Patient Call, Burglar Alarms, Audio and Video Surveillance & Smoke Cloak

Provides Intelligent Security Solutions to Industrial, Commercial and Domestic Markets using the Latest Technology - Provides Bespoke Alarm Monitoring and Associated Security Services

Call for hours

Insec is a professional, reliable and competent security company who are capable of providing a range of services to suit our needs on any construction site. The staff is friendly and approachable and more than happy to provide help above and beyond their requirements. I would have no hesitation recommending Insec security to other companies.
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City East Business Centre, 68-72 Newtownards Road, Belfast BT4 1GW

CCTV Systems, Intruder Alarms, Access Control, Fire Alarms, Fire Extinguishers, Smoke Detectors, Nurse and Patient Call, Mobile Patrol, Gates and Barriers, Burglar Alarms, Audio and Video Surveillance, Smoke Cloak, Break-Glass Sensors, Analogue/Digital Recording, Digital Multiplex Systems, PC-Based Digital Systems, Radio Linked Cameras & Monitoring

Install, Service and Monitor Large and Small Systems in Commercial and Residential Properties - Install External Beams and Sensors that Trigger CCTV Alarms to your Smartphone - Have Excellent Night Time Viewing Capabilities

Registration NI636153

Mon - Fri 9:00 am - 5:00 pm Sat & Sun Closed

Graham did a wonderful job in our home. He was professional, patient and very skilled at his job. Great quality work. Graham was also a true gentleman whilst working in our home. Would highly recommend pfs365 to all!
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