Protect Your Site, Assets & Operations with Rapid Deployment Alarm Systems

Temporary and permanent alarm solutions designed for construction sites, vacant properties, infrastructure projects, warehouses and high-risk business premises.

Request a Free Risk Assessment

Get Site-Specific Pricing

✔ NSI / SIA / ISO aligned operations ✔ UK-wide deployment ✔ Rapid deployment capability

Security challenges don’t stop when your site closes.

Construction sites, vacant properties, and commercial environments remain vulnerable outside working hours. Theft, trespassing, vandalism, and operational disruption can lead to costly delays and unnecessary risk.

Circle Alarm Systems are designed to help you maintain visibility, respond quickly, and protect your site before incidents escalate.

1. Detect threats early

Advanced intrusion detection identifies unauthorised activity across vulnerable areas.

3.Respond rapidly

Quick response and ongoing monitoring help reduce disruption and minimise operational impact.

3.Respond rapidly

Quick response and ongoing monitoring help reduce disruption and minimise operational impact.

Alarm solutions built around your environment

Every site faces different challenges. Our alarm systems can operate independently or as part of a fully connected ecosystem tailored to your operational requirements.

Centralise monitoring and maintain complete site visibility

Detect intrusion before it becomes disruption

Perimeter alarm beam system securing large outdoor operational environments

Maintain real-time visibility across your operations

Expand visibility across large and complex environments

Circle Alarm Watch

Central alarm monitoring hub for construction site security and operational visibility

CIRCLE ALARM HUB

The Circle Alarm Hub acts as the central control point for your alarm ecosystem, helping you monitor activity, manage alerts, and maintain operational oversight across your site in real time.

Key Benefits

✔ Centralised monitoring
✔ Real-time alerts and reporting
✔ Reliable site connectivity

Intrusion detection alarm post protecting vulnerable construction site perimeters

CIRCLE ALARM POST

Designed to monitor vulnerable access points and perimeter areas, the Circle Alarm Post provides rapid visual intrusion detection to help teams respond quickly and reduce operational risk.

Key Benefits

✔ Early intrusion detection
✔ Flexible site deployment
✔ Ideal for temporary and remote locations

CIRCLE ALARM BEAM

The Circle Alarm Beam helps secure site boundaries by detecting movement across high-risk zones, providing rapid alerts and improved visibility across larger outdoor environments.

Key Benefits

✔ Long-range perimeter detection
✔ Rapid alert capability
✔ Suitable for large operational sites

Live security monitoring camera system for construction and commercial sites

CIRCLE ALARM CAM

The Circle Alarm Cam provides live visual monitoring and incident awareness, helping teams maintain oversight, improve response times, and support operational reporting.

Key Benefits

✔ Live site visibility
✔ Remote monitoring support
✔ Incident reporting and evidence capture

Mobile alarm tower providing elevated monitoring across high-risk environments

CIRCLE ALARM TOWER

The Circle Alarm Tower delivers elevated monitoring and enhanced site oversight, helping improve visibility across larger operational areas and evolving project environments.

Key Benefits

✔ Wide-area visibility
✔ Flexible deployment
✔ Enhanced operational oversight

Solar-powered alarm watch system with dual-camera monitoring and live alerts

CIRCLE ALARM WATCH

The Circle Alarm Watch combines intelligent monitoring, real-time detection, and connected alerts to help improve site visibility, respond faster to incidents, and maintain operational control across remote and vulnerable environments.