What Amberstone does

Amberstone, now operating as ASEL (Argenbright Security Europe Limited), is a UK-based integrated security solutions provider serving enterprise retailers, public sector bodies and corporate clients across the UK and Europe. Following a strategic investment from US-based Argenbright Group in August 2022, the company operates as a subsidiary pursuing a stated ambition to become a top-five player in the UK security market while expanding into continental Europe.

The company's service portfolio spans security guarding, security technology (including CCTV installation and monitoring), risk advisory, temporary security, drone surveillance, vacant property security, Business Improvement District (BID) patrol services, and analytical intelligence reports. Its technical differentiator is a proprietary risk modelling methodology that combines dynamic data sources with a 24/7 Command and Intelligence Centre, complemented by Argus Vizion — an AI-powered facial recognition and threat detection system designed to identify risks at the point of entry in retail environments.

Revenue is generated primarily through long-term, recurring service contracts delivered via a consultative direct sales motion targeting large enterprise buyers and public sector clients. Pricing is bespoke and quote-based, with no publicly disclosed rate cards. Named enterprise clients include the UK's largest retailer, Currys (estate-wide since 2021), Aldi, Godolphin, Bradford BID, and Greater Manchester Mental Health. The go-to-market combines direct enterprise sales with a thought leadership and event-driven marketing posture, including headline sponsorship of industry conferences.

Name

Amberstone

Legal name

Argenbright Security Europe Limited

Website

https://amberstone.co.uk

Company type

Private

Founded year

2010

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Amberstone, operating as ASEL (Argenbright Security Europe Limited), is a UK-based integrated security services provider delivering guarding, security technology, risk advisory, drone services, and AI-powered facial recognition (Argus Vizion) to enterprise retailers, public sector bodies, and corporate clients across the UK and Europe.

Ownership category

akta.pro rank

Product category

Integrated Security Services

NAICS

Security Systems Services (except Locksmiths) (561621), Security Guards and Patrol Services (561612)

SIC

Services-Detective, Guard & Armored Car Services (7381)

akta.pro primary industry

Security Consulting, Risk Assessment & Security Program Design (BPABAMAE)

akta.pro secondary industries

Enterprise Security Strategy & Program Advisory (BPAKADAA), Video Analytics & AI Security Solutions Integration (LPR, Facial, Behavior) (BPAKAGAK)

Keywords

• Integrated security services
• Security guarding
• Risk advisory
• Drone surveillance
• Electronic security technology

Headquarters

HQ city

Saffron Walden

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Security Services Contracts: ASEL generates revenue through long-term contractual security service agreements with enterprise and public sector clients. Services include security guarding, temporary security, risk advisory, security technology, and drone services, typically delivered under recurring service contracts.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels8 records

Core offering

Amberstone (operating as ASEL) designs, develops, and delivers fully bespoke integrated security solutions that combine security guarding, security technology, risk advisory, temporary security, drone surveillance, vacant property security, and BID patrol services for enterprise and public sector clients across the UK and Europe. The company supports these services with a 24/7 Command and Intelligence Centre and proprietary technology such as the Argus Vizion facial recognition platform to provide proactive threat detection and data-driven risk management.

Product overview

ASEL (Argenbright Security Europe Limited) operates as a risk-led security solutions provider offering a unified platform of integrated security services. The portfolio centers on data-driven, risk-based security solutions combining people, technology and processes. Core offerings include Security Guarding, Security Technology, Risk Advisory Practice, Temporary Security, Drone Services, Vacant Property Security, BIDs Services, and ASEL Intelligence Reports. The company has developed proprietary technology features including Argus Vizion, an AI-powered facial recognition and threat detection system for proactive retail protection.

Differentiator

Problem solved

Functional benefit

Brands

• Argus Vizion: Proactively protecting retail spaces using facial recognition and threat detection technology

Products and services

• Security Guarding Physical security personnel services delivering client protection across multiple sectors including retail, public sector, and corporate environments.
• Security Technology Technology-based security solutions including CCTV installation, monitoring systems, and security infrastructure deployment for clients across the UK and Europe.
• Risk Advisory Practice Risk identification, analysis, and management consulting services using data-driven intelligence to help clients make security decisions.
• Temporary Security Short-term security personnel solutions for events, urgent needs, and temporary coverage requirements.
• Drone Services Aerial drone surveillance and security monitoring services to enhance situational awareness and security coverage for clients.
• Vacant Property Security Security solutions specifically designed for unoccupied buildings and vacant properties to mitigate risks such as trespass, vandalism, and unauthorised access.
• BIDs Services Business Improvement District security services including street teams, BID patrol operations, and crime reduction support for member businesses.
• Argus Vizion

Quantifiable outcome

• Security estate redesign resulting in more efficient cover to more locations for the UK's largest retailer.
• +1 more outcomes

Named customers6 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Scale indicators3 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Corps Security: Corps Security provides security officers, mobile patrols, electronic security and specialist security services to UK commercial and public-sector customers. Its UK operating focus and integrated guarding-and-technology proposition make it a relevant direct peer.
• Mitie: Mitie is a UK-based provider of security guarding, security technology, risk services and facilities management for large organizations and public-sector clients. It is one of the closest business-model and customer-market comparables to ASEL.
• Bidvest Noonan: Bidvest Noonan supplies security personnel, technology and integrated support services primarily in the UK and Ireland. Its combination of field security, technology integration and recurring enterprise contracts is directly comparable to ASEL's service model.
• ICTS: ICTS provides security services, aviation security, technology-enabled monitoring and specialist operational support in the UK. It overlaps with ASEL in enterprise security delivery, people-led services and technology-supported risk management.

Broad incumbents

• Allied Universal: Allied Universal provides manned security, technology solutions, risk consulting and security operations across enterprise and public-sector markets. It is a broad incumbent comparable to ASEL's integrated guarding, monitoring, advisory and technology services.
• Securitas: Securitas is a global security services provider combining security officers, electronic security, monitoring and risk advisory. Its enterprise customer base and integrated delivery model closely overlap ASEL's people-technology-process security offering, although it operates at substantially greater global scale.
• OCS Group: OCS Group is a large facilities and security services provider serving UK and international organizations with guarding and technology-enabled support. It is a broader incumbent comparable to ASEL's integrated security and facilities-facing customer relationships.

Others

• Genetec: Genetec provides unified video management, access control and security operations software. Its technology layer is comparable to the electronic security and intelligence systems ASEL integrates with guarding, risk advisory and monitoring services.
• Axis Communications: Axis Communications supplies networked video surveillance, access control and analytics used in electronic security systems. Those products overlap with ASEL's CCTV, monitoring and Argus Vizion capabilities, although Axis is an adjacent technology vendor rather than a field-service competitor.
• Motorola Solutions: Motorola Solutions, through Avigilon, offers video security, access control and analytics for enterprise and public-sector customers. This overlaps with ASEL's video surveillance and proactive threat-detection offering, but competes at the enabling technology layer rather than through guarding services.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xx.com/AmbSecLtd
• YouTubeyoutube.com/@aselhq
• Facebookfacebook.com/AmbSecLtd
• LinkedInlinkedin.com/company/amberstone-security-limited
• Instagraminstagram.com/weareasel

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds1 record

Investors1 record

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Amberstone