Top 10 Security Companies in the UK

In a time where safety is a top priority, choosing the right security provider is critical for businesses, events, and residential clients alike. Below is a curated list of the most reliable and high-performing security companies in the UK — recognized for their excellence, professionalism, and nationwide service capabilities.

1. Mitie Security

Mitie is the largest security company in the UK, delivering comprehensive guarding and technology-led security solutions. With over £880 million in annual revenue, they serve government, commercial, and critical infrastructure sectors.

2. G4S (Now Allied Universal)

A global leader in security, G4S has a strong UK presence. They offer manned guarding, risk consulting, and cash handling, serving both public and private sector clients.

3. Securitas UK

Known for integrating smart technology with on-ground expertise, Securitas offers tailor-made security services including remote monitoring, mobile patrols, and guarding.

4. Wilson James Ltd

Wilson James specializes in aviation, logistics, and infrastructure security. Their data-driven approach makes them a reliable choice for complex operational environments.

5. Auxilium Services Ltd

Auxilium is a rising leader in the UK’s security sector, offering SIA-licensed security guards, event security, construction site security, and retail protection across the UK. With a focus on personalized service and 24/7 availability, Auxilium stands out for its responsive support, competitive pricing, and growing reputation in both London and nationwide markets.
Services include:
Manned Guarding
Event & Retail Security
Construction & Residential Protection
Mobile Patrols
Tailored Sector-Based Solutions

Auxilium is gaining recognition for its professionalism, adaptability, and client-first approach — making it one of the top security companies in the UK to watch in 2024.

6. SmartSec Solutions

Renowned for delivering high-end security services to the commercial and corporate sectors, SmartSec focuses on discretion, professional presentation, and customer satisfaction.

7. 1st Class Protection

With strong expertise in VIP and residential security, 1st Class Protection offers manned guarding and risk management with a personal touch.

8. Corps Security

A veteran of the industry, Corps provides manned guarding, event security, and CCTV solutions backed by a long-standing commitment to service excellence.

9. ICTS UK

Specializing in aviation and maritime security, ICTS is well-known for advanced screening techniques and regulatory compliance across critical sectors.

10. FGH Security

FGH is one of the fastest-growing names in the UK security industry, especially known for its event security and crowd management at major festivals and stadiums.

Why This List Matters

Choosing a top security company in the UK means more than hiring guards — it means selecting a partner in safety, compliance, and peace of mind. Whether you’re in need of 24/7 guarding, mobile patrols, or event protection, these companies deliver the highest standards in the industry.

Top 10 Security Companies in the UK

Why This List Matters

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