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.
- 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.
- 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.
- Securitas UK
Known for integrating smart technology with on-ground expertise, Securitas offers tailor-made security services including remote monitoring, mobile patrols, and guarding.
- 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.
- 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 SolutionsAuxilium 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.
- SmartSec Solutions
Renowned for delivering high-end security services to the commercial and corporate sectors, SmartSec focuses on discretion, professional presentation, and customer satisfaction.
- 1st Class Protection
With strong expertise in VIP and residential security, 1st Class Protection offers manned guarding and risk management with a personal touch.
- 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.
- ICTS UK
Specializing in aviation and maritime security, ICTS is well-known for advanced screening techniques and regulatory compliance across critical sectors.
- 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.
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