Core guarding services overview

Amberstone Guarding Limited (AGL) was formed in 2018 when the business and assets of Cardinal Security Limited were acquired by Amberstone from Administration. The new company brings together two of the biggest names in the security and loss prevention sectors. As a result it is uniquely placed, with technology to deliver an innovative, cost-effective, transparent and accountable guarding solution for the 21st century, all supported by a 24/7 Intelligence centre providing meaningful data on performance and efficiencies.

Amberstone is the leading provider of business solutions, products and services in the field of electronic security technology, serving blue-chip clients across the UK and Europe. Looking beyond the core priorities of protecting people and property and preventing fraud and theft, delivering innovative, integrated solutions that will enhance the customer experience, improve business performance and maximise profitability.

Cardinal Security was formed by Jason Trigg in 2003 and had remained under his control until 15 months ago when he exited the company. Having built the guarding business up over the previous 18 years, it had become a well-respected player in the risk management industry and was recognised as a company to deliver dynamic and innovative security solutions throughout the UK, only to collapse just 12 months after Trigg’s departure.

We appreciate that there may be queries regarding invoicing and the new company information. Should you have any queries of this nature please contact Samantha Banks, Finance Manager, in the first instance via

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