At Intruder Alert Systems, we design, install, and maintain both wired and wireless intruder alarm systems to suit a wide range of environments and risk levels. Whether you’re protecting a single office, a national property portfolio, or a high-risk site, we provide dependable and fully compliant security tailored to your needs.
Intruder Alarms
Protect Your Property with Confidence
Trusted. Accredited. Responsive.
We are police-accredited and authorised to deliver police-response alarm systems, giving you peace of mind that your system meets the highest standards of reliability, compliance, and operational integrityWe provide Graded 2, 3 and 4 systems compliant with EN50131 PD6662 and BS8243
Our alarms are fully compliant with the SSAIB along with offering NSI-compliant 24/7 monitoring, enabling rapid intervention in the event of a breach.
Industry-Leading Technology
We work with all major brands of intruder alarm technology, including:
This means whether you’re starting from scratch or upgrading an existing system, we can offer the right solution — using proven technology from trusted manufacturers.
National & International Capabilities
Intruder Alert Systems currently supports nationwide security contracts, working with organisations across a wide variety of sectors to deliver consistent, reliable protection across multiple sites. Our structured approach ensures that every location, regardless of scale or complexity, receives the same high level of service and attention to detail. With a dedicated team of vetted professionals and SSAIB-accredited processes, we maintain robust security standards that our clients can depend on.
In addition to our UK operations, we also have the proven capacity and international experience to deliver services overseas. Our flexible and scalable solutions are designed to adapt to different environments, regulations, and cultural requirements, making them suitable for both short-term deployments and long-term contracts abroad. Whether it’s supporting critical infrastructure, protecting commercial facilities, or safeguarding remote and high-risk sites, we provide tailored security solutions that meet the demands of global operations.
Adopting & Supporting Existing Systems
Already have an intruder alarm system in place? We understand that many sites are equipped with legacy or third-party systems, and we are more than happy to adopt, service, or upgrade these to meet current standards. Whether your system was installed by another provider or has simply fallen behind in terms of technology, our team has the expertise to take it on and make it work effectively for you.
Our process begins with a full system audit, where our engineers assess the condition, performance, and compliance of your existing installation. From there, we provide a clear, step-by-step plan to modernise and optimise the system, addressing any gaps in coverage, outdated components, or compliance issues. In many cases, this approach allows you to retain existing infrastructure while only upgrading what’s necessary, delivering significant cost savings compared with a full replacement.
By upgrading your current alarm system through us, you not only save time and money, but also ensure your premises remain protected to the highest standards, giving you complete confidence in the security of your site.
Ready to Get Started?
Whether you’re securing a new development site or protecting a vacant property, our intruder alarm systems provide the assurance you need. Get in touch today for a free, no-obligation quote. Or contact us directly to discuss your requirements—we’re here to help.
Accredited and Trusted
We are proud to be accredited by the SSAIB — a UKAS-approved certification body. This accreditation confirms that our processes, systems and installations meet the highest standards in the industry.