AOS Security joins RSAS
AOS Security have been approved to join the Railway Safety Accreditation Scheme (RSAS). Read More
AOS Launch Mobile Patrol Vehicles
AOS have introduced new Mobile Patrol vehicles across London and Cambridgeshire. Read More
GLA stays with AOS
We are delighted to announce that the Greater London Authority have decided to retain the services of AOS at Trafalgar Square and Parliament Square Gardens. Read More
AOS Supports Local Community
AOS provided security excellence at a recent celebrity vs community charity football match, played at the Nene Park Academy in Peterborough and opened by the Mayor of Peterborough, Councillor June Stokes. Read More

Key Holding

AOS provides as part of its potfolio of security services,  key holding and alarm response, incorporating mobile patrols. This service, in partnership with a number of select national key holding companies, provides 365 days a year monitoring to any client.

patrol car

Clients use our key holding services for a number of reasons:

  • AOS offers companies a safe alternative to putting their own staff at risk when answering alarm call-outs and gives an unrivaled alarm response service

  • AOS offers companies a lock and unlock service as an alternative to having their own staff taking responsibility for securing the building out of hours

  • AOS provides a rapid response to any security breach especially when the client does not live in the local vicinity

  • AOS provides the client with peace of mind that all security concerns are covered


All calls are routed through to our 24 hr communication centre, which is operational 365 days a year.

Our team are able to tailor services that suit your specific requirements at each of your premises, and with an unrivalled level of transparency and accountability, we provide swift reporting of incidents.


Please contact us for more information.