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Advanced Security Solutions for Commercial & Industrial Sites
Intruder Alert Systems has been delivering advanced security solutions since 2003, specialising in both temporary and permanent systems for commercial, industrial, and high-risk environments. Our team of directly employed, police-checked engineers provides SSAIB-accredited installations, including intruder alarms, CCTV, access control, and rapid-deployment temporary systems. With NSI-compliant 24/7 monitoring services and a commitment to innovation, we serve clients ranging from construction sites to prestigious properties like London's Park Lane Hotel.

Our System-in-a-Box offers insurance-approved, video-verified protection deployable within minutes, while our 20-year track record demonstrates expertise in EN50131 PD6662 and BS8243 compliance. We maintain direct client relationships through dedicated system designers, ensuring project continuity from consultation to commissioning.
Services
Intruder Alarms CCTV Systems Access Control Temporary Systems Fire Detection
Highlights and features
  • We have 20 years' experience in security system installations
  • Our directly employed engineers are police-checked and fully vetted
  • SSAIB-accredited for temporary site security systems
  • NSI-compliant 24/7 monitoring services available
  • System-in-a-Box provides rapid deployment within minutes
Associations and certifications
  • SSAIB
  • NSI
Services
Intruder Alarms
We design and install wired and wireless intruder alarm systems compliant with EN50131 PD6662 standards. Our solutions suit single premises and multi-site portfolios, offering police-response capabilities and integration with other security systems. Systems combine advanced detection technology with user-friendly interfaces for commercial and high-risk environments.
CCTV Systems
Our CCTV solutions provide real-time monitoring with AI-driven analytics and live response capabilities. Systems include monitored surveillance, thermal imaging, and timelapse recording, designed for sectors ranging from retail to critical infrastructure. All installations meet BS8243 compliance standards for image quality and system reliability.
Access Control
We implement scalable access control systems from basic intercoms to biometric recognition. Solutions manage entry across single buildings or complex estates with thousands of users, featuring remote access management and integration with existing security infrastructure while maintaining strict compliance with data protection regulations.
Temporary Systems
Our pre-configured temporary systems offer immediate protection for construction sites and vacant properties. SSAIB-accredited units connect to 24/7 monitoring services, providing insurance-approved security from 75 per week. Systems deploy within minutes and include video verification and remote management capabilities.
Fire Detection
We supply and maintain fire detection systems integrated with security infrastructure. Solutions include conventional and addressable systems compliant with BS5839 standards, featuring remote monitoring and automated alerts. Systems suit commercial properties, construction sites, and multi-occupancy buildings requiring reliable early-warning capabilities.
Questions
What security services do you offer?
We provide intruder alarms, CCTV, access control, temporary systems, and fire detection solutions for commercial, industrial, and high-risk environments.
Are your systems accredited?
Yes, we are SSAIB-accredited for temporary systems and provide NSI-compliant 24/7 monitoring services meeting EN50131 PD6662 and BS8243 standards.
Do you offer emergency security solutions?
Our temporary systems deploy within minutes for construction sites, vacant properties, and emergencies with 24/7 monitoring from £75 per week.
What areas do you cover?
Based in Southampton, we serve Hampshire, the South of England, and provide nationwide installations for multi-site commercial clients.
How quickly can systems be installed?
Temporary systems operate within minutes of deployment. Permanent installations typically complete within 5-10 working days depending on project complexity.
Do you provide maintenance services?
Yes, we offer planned maintenance contracts for all security systems including 24/7 emergency call-out and compliance certification services.