Key Holding & Alarm Response
- 24/7 Alarm Response: Fast, professional action any time an alarm sounds.
- Secure Key Holding: Safe storage and rapid emergency access.
- Integrated Solutions: Enhances your current security setup.

At Ascent Onsite Group, we provide professional Key Holding & Alarm Response Services that keep your property protected 24/7. When your alarm is triggered, our SIA-licensed officers respond swiftly securing your premises, coordinating with emergency services if required, and ensuring minimal disruption to your operations. We securely store your keys in a fully insured, compliant facility and act immediately in emergencies, so you don’t have to.
📞 Contact us today to protect your property with 24/7 response coverage.
Our approach starts with understanding your site’s specific security needs. We then implement a custom key holding and alarm response strategy that fits seamlessly into your existing systems. Whether you manage one location or multiple sites, our trained response teams are always ready to act ensuring your property is safe and secured, no matter the time or situation.
Our scalable services ensure rapid, responsible action giving you peace of mind while reducing operational risk.
A national retail client in Central London and a few other locations was experiencing frequent alarm activations after hours resulting in staff burnout and missed security events.
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Specialists in Responsive, Professional Security
At Ascent Onsite Group, we understand that each business has its own unique security needs, and our Key Holding & Alarm Response services are tailored to fit those specific requirements. Whether you're managing a commercial property, industrial facility, or a construction site, we offer flexible and reliable solutions to ensure your premises are protected 24/7.
We've been working with Ascent Onsite Group for the past year, and we couldn't be happier with the service they provide. Their professional and reliable team always goes above and beyond to ensure that our facilities are clean and well-maintained. We highly recommend them!
We’ve partnered with several providers in the past, but none match the professionalism and innovation of Ascent’s security team. From their CCTV systems to on-site guards, the service is top-tier.
We needed a partner who could mobilise quickly without compromising on quality. Ascent delivered skilled labour, equipment, and logistics support faster than we imagined—with zero disruption.
Driven by results and powered by people, we deliver trusted, end-to-end solutions that adapt to your needs and exceed expectations.