Our History

OUR JOURNEY

ASEL’s foundation is the result of the blending together of a number of well established and respected security businesses, which can collectively trace their roots back to the 1970s.

ASEL is more than just a sum of its parts. Today, we benefit from the cumulative experience and history of all our founding companies, affording us command and control over transformational methodologies, innovative technologies and operational excellence.

This rich heritage has seen ASEL’s position and prominence in the industry flourish, since our official formation in 2021, and we are well on our way to achieve our vision of becoming one of the most respected security services providers in the UK and Europe.

2024

One brand, one ASEL

Amberstone Security and The Protector Group renamed ASEL Integrated Security Solutions and ASEL Temporary Security Solutions respectively, as part of our initiative to consolidate into one brand for the future.

2023

Joining forces

Amberstone Security, The Protector Group and Tailored Fire and Security are joined together under the ASEL brand umbrella whilst still operating under their independent business brands.

2022

The Protector Group alliance

The Protector Group forms a strategic partnership with the Argenbright Group further elevating the group’s UK and European capabilities.

Amberstone Security partnership

Strategic investment from the Argenbright group, a leading provider of human capital services headquartered in Atlanta, Georgia in the US put Amberstone on an ambitious growth trajectory.

Game of Thrones Studio Tour

Amberstone win the Game of Thrones Studio Tour security contract in Northern Ireland, helping to scope, recruit, manage and deploy security solutions for this new attraction.

NSI Gold ARC

In 2021, Protector’s RVRC is accredited to NSI Gold ARC standard.

2021

Resource to Risk POC

In 2020, Amberstone runs a risk modelling resource to risk proof of concept with the the UK’s largest retailer.

SecurAmerica 
growth and sale

In 2020, Argenbright’s SecurAmerica business becomes the fourth largest security company in North America employing 14,000 officers and covering all 50 states. The following year, this business is sold.

2020

Amazon come on board

In 2019 Amberstone win a significant security account with Amazon in the UK.

Protector expands mobile division and innovation expertise

In 2019 The Protector Group open more offices to assist with expansion of their Mobile Security Division and a 20,000 square foot Engineering and Innovation Hub.

Amberstone invent 
Risk Modelling

On 8th May 2019, Amberstone invents Risk Modelling and begins investing in Risk Based Roaming Models in 2019.

Amberstone Security

Amberstone Security is formed through blending guarding services from Cardinal with technology services from Amberstone Technology.

2010

SecurAmerica

Argenbright forms SecurAmerica with the goal of becoming the first US based, privately held security company to compete globally.

Cardinal Security

Cardinal Security – the forerunner to Amberstone Security is formed in 2003 to provide guarding services.

24 Hour Control Room

In 2002, TheProtector Group invests £750k in building a new operational base, including a state of the art 24 hour Control Room (RVRC), on Team Valley Trading Estate, Gateshead. The following year it is accredited to BS 5979 and certified as a Category 2 Monitoring Station.

The original Argenbright Security is sold

The original Argenbright Security business is sold to the British firm, in December 2000.

2000

The Protector Group Origins

The Protector Group is formed in September 1994 by John S Harvey, an ex-Royal Marine with distinguished military service.

Argenbright in the UK

Argenbright Security businesses start protecting key UK infrastructure including railways, airports, the Channel Tunnel and significant persons and premises.

Aviation expertise

Aviation Defense International becomes the largest European aviation security company in the late 1990s.

A legacy of security

Argenbright Security becomes one of the largest security companies in the US.

1990

Argenbright Group Origins

The Argenbright Group is formed in 1979 by Frank A. Argenbright Jr. with Argenbright Security becoming one of the group’s companies.

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