Which Security Provider Should You Choose in Belfast?

CEM Systems is a leading provider of access control and integrated security management systems. Specialising in the AC2000 platform, we deliver scalable solutions for airports, hospitals, corporate facilities, and critical infrastructure worldwide. With 30 years of industry experience, we combine proprietary hardware and software development to create flexible, high-security systems that integrate with video, intrusion, and fire detection technologies.

Focus Security Solutions delivers tailored electronic security systems including intruder alarms, fire alarms, access control, and AI-powered CCTV. Based in Belfast, we combine NSI Gold accreditation with ISO 9001-certified quality management to provide cost-effective, future-proof security solutions for businesses across multiple sectors.

Diamond Systems is a Northern Ireland-based specialist in integrated fire and security systems. We design, install, and maintain advanced solutions including CCTV, intruder alarms, fire detection systems, and access control for commercial and residential properties. With NSI Gold accreditation and over 35 years' experience, we combine technical expertise with responsive service to ensure client safety and regulatory compliance.