QSG is accredited and entrusted to carry out work on protected sites and highly sensitive environments ‒ from government projects to developments critical to society and our economic infrastructure.

The solutions we provide secure locations vital to national security and, thanks to the rigorous compliance processes and standards we adhere to, have successfully done so for over 45 years.

Market Categories


Access Control

Guard against unauthorised access.

Perimeter Intrusion Detection

Protect against intruders, vandalism and theft.

CCTV and Video Management Systems

Video surveillance tailored to your needs.


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