What CITADEL SECURITY GROUP LTD does

Citadel Security Group Ltd is a UK private security services provider headquartered at 71-75 Shelton Street, Covent Garden, London, delivering manned guarding and specialist security services across the United Kingdom. The company offers a six-service portfolio covering event security, dog handling (with NASDU-certified handlers), construction site security, concierge/front-of-house security, gatekeeper access control, and car park security, with additional supporting capabilities including mobile patrols, CCTV monitoring integration, ANPR support, and smart barrier controls. All officers are SIA-licensed and the firm markets a 24/7 nationwide deployment model covering 10+ UK cities, with rapid-response positioning and flexible contract terms.

The business model is professional services / contract-based: revenue is generated through tailored, quote-based service contracts (no publicly disclosed pricing or tiers) with flexible durations, scaling to client requirements from single-event coverage through to multi-year 24/7 guarding engagements. The go-to-market is direct-to-consumer and direct-sales-led, anchored on a multi-channel marketing stack — service-specific website pages, 24/7 phone lines (020 8445 0808 / 074 9573 1555), and an email newsletter capture. Customer targeting spans enterprise (corporate offices, construction firms, large event organizers) down to mid-market and SMB clients (retail, gated residential, smaller venues) across at least eight customer segments. Scalable signals include 60+ deployed staff, 20+ named clients, 16+ completed projects, and the multi-city nationwide coverage claim.

On the corporate structure side, Citadel Security Group Ltd is registered as a UK private limited company with no disclosed parent, no institutional investors, no funding history, no M&A activity, no patents or trademarks, and no management team disclosure in the input data — a notable information gap for any diligence effort. The website copyright is dated 2025, which aligns with the legal entity formation date in the firmographics data despite the company also marketing 'over a decade of industry experience,' a tension that potential acquirers or investors would need to reconcile through founder-history verification.

Name

CITADEL SECURITY GROUP LTD

Legal name

Citadel Security Group Ltd

Website

https://citadel-security.co.uk

Company type

Private

Founded year

2025

Operating status

Operating

Short description

Citadel Security Group Ltd is a UK private security services company headquartered in London, providing SIA-licensed manned guarding, event security, construction site, concierge, dog handling, gatekeeper, and car park security across 10+ UK cities on contract-based terms.

Ownership category

akta.pro rank

Product category

Security Guarding Services

NAICS

Security Guards and Patrol Services (561612)

SIC

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

akta.pro primary industry

Manned Guarding & Patrol Services (IMAIAEAA)

akta.pro secondary industries

Concierge / Customer-Service-Oriented Security Officers (BPAKAAAM), K-9 Security Patrol Services (HSAHAKAK), Security Systems Monitoring & Dispatch (SOC/Remote Guarding) (IMAIAEAF)

Keywords

• Manned guarding services
• Event security services
• Construction site security
• Concierge security services
• Dog handling security

Headquarters

HQ city

London

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Technology or R&D, Supply Chain

Revenue model

1. Security Guarding Services: Core revenue stream from providing SIA-licensed security professionals for manned guarding, event security, construction site security, concierge, gatekeeper, car park, and dog handling services. Revenue is generated through service contracts with flexible terms including 24/7 coverage, overnight guarding, weekend and holiday coverage. The company offers tailored solutions based on client needs with flexible contracts.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels3 records

Core offering

Citadel Security Group Ltd supplies SIA-licensed manned guarding and ancillary security services to commercial, construction, hospitality, and event clients across the United Kingdom. Its service catalogue includes event and party security, K9 dog handling units, construction site security, concierge and front-of-house security, gatekeeper entry control, and car park security. The company deploys 60+ trained personnel delivering 24/7 site protection and incident response across 10+ UK cities.

Product overview

Citadel Security Group Ltd operates as a security services company offering a portfolio of six distinct manned guarding and specialist security services. The core offerings include Manned Guarding Services (visible security presence with access control and incident response), Event and Parties security (crowd management and VIP protection), Dog Handling Services (security dog units with trained handlers), Construction Site Security (24/7 site protection with CCTV monitoring), Concierge and Front of House Security (hospitality-focused access control), Gatekeeper Services (entry point access control), and Car Park Security (vehicle surveillance and traffic management). These services share a common foundation of SIA-licensed personnel and can be deployed individually or combined into tailored security packages for clients across the UK.

Differentiator

Problem solved

Functional benefit

Products and services

• Event and Parties Security Crowd management, entry screening, and VIP/artists protection services for events and parties, delivered by SIA-licensed personnel. Designed for event organizers, promoters, and venue operators needing professional crowd control and incident response.
• Dog Handling Security Security dog units paired with trained handlers to provide a high-visibility deterrent and detection capability. Deployed for sites requiring enhanced intrusion detection, such as large perimeters, warehouses, and vacant premises.
• Construction Site Security 24/7 manned protection of active or vacant building sites, integrating CCTV monitoring and perimeter control to deter theft, vandalism, and trespassing. Targeted at construction firms, developers, and main contractors.
• Concierge and Front of House Security Hospitality-focused front-of-house security combining visitor management, access control, and customer service duties at reception and lobby areas. Suited to hotels, residential blocks, corporate offices, and retail premises.
• Gatekeeper Services Entry-point access control and identification verification at gates and entry thresholds, with personnel managing authorized access, deliveries, and visitor screening. Designed for sites requiring controlled ingress such as gated communities, industrial estates, and secured facilities.
• Car Park Security Vehicle surveillance, traffic management, and parking enforcement delivered by SIA-licensed personnel, with supporting ANPR and barrier controls. Targeted at commercial car parks, retail parks, residential complexes, and event venues.

Quantifiable outcome

• Visible security presence reduces theft, vandalism, and loitering in protected areas
• +2 more outcomes

Named customers1 record

Segments8 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Scale indicators4 records

Recent moves4 records

Expansion highlights5 records

Direct peers

• Kingdom Services Group: UK-wide security and cleaning services firm offering manned guarding, mobile patrols, event security, and key holding. Direct peer in mid-market UK guarding, with similar customer segments including retail, construction, and commercial property.
• Corps Security: Established UK security guarding firm focused on corporate, heritage, and high-end concierge security with SIA-licensed officers. Direct competitor in corporate offices, concierge, and manned guarding segments where Citadel operates.
• FGH Security: UK security guarding provider specialising in event security, stewarding, door supervision, and manned guarding for venues and corporate clients. Direct competitor on event security and static guarding, with broadly comparable UK mid-market positioning.
• VSG (Vision Security Group): UK-focused manned guarding and specialist security provider delivering static guarding, mobile patrols, concierge, and event security to retail, corporate, and logistics clients. A close UK mid-market peer to Citadel on service mix and customer verticals.
• Axis Security Services: UK-based manned guarding and concierge security provider serving corporate offices, residential developments, and commercial property. A close comparable to Citadel on concierge, gatekeeper, and corporate office guarding services.
• Bidvest Noonan: UK-based integrated security and facilities services company providing manned guarding, front-of-house/concierge, event security, and CCTV-monitored services. Closely comparable to Citadel on service portfolio and customer mix.

Broad incumbents

• Mitie Security: Major UK facilities management group with a significant security guarding division offering manned guarding, CCTV monitoring, concierge security, and integrated technology-led solutions. Direct overlap with Citadel across corporate, construction, and event segments.
• Securitas UK: One of the largest UK and global manned guarding providers offering static guarding, mobile patrols, event security, and security technology integration. Competes with Citadel across all major service lines and customer verticals.
• Sodexo UK (Security & FM): Global facilities services group with UK security guarding, concierge, event security and integrated security offerings as part of a broader FM portfolio. Overlaps with Citadel's service lines, particularly corporate office and hospitality concierge security.
• G4S (now Allied Universal): Global guarding and security services giant with substantial UK manned guarding operations offering static guards, mobile patrols, event security, and integrated security solutions. Directly comparable in service breadth and customer segments to Citadel, though vastly larger in scale.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

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 CITADEL SECURITY GROUP LTD