Find the 7 Best Security Companies in Belfast

Diamond Electronic Systems is a Northern Ireland-based provider of advanced security and life safety systems. Specialising in fire detection, CCTV, access control, and emergency communication solutions, we deliver tailored services for commercial and residential properties. With NSI Gold accreditation and 40 years of expertise, we combine technical excellence with proactive maintenance and certified training to ensure client safety and compliance.

Focus Security Solutions delivers tailored electronic security systems including intruder alarms, fire alarms, CCTV with AI capabilities, and access control. Based in Belfast, we serve diverse sectors with bespoke installations and maintenance, combining NSI Gold accreditation with ISO 9001 certification to ensure technical excellence and client trust.

We specialise in fire alarm design, installation, maintenance, and comprehensive safety services for residential, industrial, commercial, and retail clients. Our core offerings include certified fire protection systems from leading manufacturers, alongside our exclusive installation of the award-winning Plumis Automist sprinkler. By configuring advanced detection technology to meet the precise specifications of any building, we ensure maximum efficiency and safeguard your premises against fire emergencies.

Eventsec is Northern Ireland's premier event security and crowd management company, specialising in safety solutions for large-scale events across the UK, Ireland, and international locations. With over 25 years' experience managing security for audiences up to 500,000, we combine industry-leading training with international quality standards to deliver reliable service. Our expertise spans concert security, venue management, VIP protection, and consultancy for sporting and cultural events.

ViS Security Solutions provides bespoke physical security solutions by integrating advanced technologies such as video surveillance, access control, and detection systems. Established in 1989, we serve national and international clients across sectors like government, healthcare, and education. Our ISO accreditations and partnerships with industry leaders ensure high standards of quality, cybersecurity, and compliance.

Fire NI is a Northern Irelandbased fire safety provider delivering comprehensive alarm and extinguisher solutions. We supply, commission, service and repair systems for commercial, residential and specialised environments. Our purpose is to safeguard occupants and property through reliable, compliant fire protection.

Premier Security Systems provides bespoke residential and commercial security solutions in Belfast and Northern Ireland. We specialise in burglar alarm design, installation, and maintenance, offering 24/7 emergency repairs and monitored systems compliant with insurance standards. As a family-owned business with over 30 years' experience, we combine technical expertise with personalised service to ensure properties remain secure and protected.