SIA LIC: ACTIVE
THREAT LVL: LOW
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Your ReliableSecurity Partner.
We offer specialised and reliable SIA security staffing services across the UK — professional, trusted, and always compliant.
Security with
World-Leading Technology
We deliver intelligent security solutions powered by world-class technology and expertise, helping to create a safer world for you.
Security Guards
At Big Cat Security Ltd, we provide highly trusted and experienced security guards and door supervisors to protect business environments.
Event Security
We provide expert event security staff who ensure smooth control across events of varying scales and focus.
Door Supervisors
At the core of our service are professional SIA door supervisors and rigorously trained personnel.
Delivering Security
With a Purpose
When your safety is on the line, you need a trusted security partner with the expertise, reliability, and dedicated professionals to handle every situation.
Businesses, venues, and event organisers across London choose Big Cat Security Ltd for premium SIA-licensed security guards, door supervisors, and event protection that delivers peace of mind.
Security Monitoring
Complete security solutions for 24/7 surveillance — CCTV integration, access control, and real-time monitoring of your premises.
Security Guarding
Providing specialist guarding services for offices, buildings, warehouses, retail environments, and shared workspaces across London.
Security Consultancy
Our consultants highlight any risks or threats to your security and provide practical solutions tailored to your specific needs.
Retail Security & Asset Protection
Reducing shrinkage, deterring theft, and protecting high-value assets across retail and commercial environments.
Our
Services
We deliver intelligent security solutions powered by world-class technology and expertise — from manned guarding and door supervision to event security and threat intelligence, helping to create a safer world for you.
Discuss requirements
Security Guards
At Big Security Ltd we provide highly trained and licensed security guards to deliver professional, on-site physical protection for people, property, and assets.
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Event Security
We provide expert event security staff who ensure smooth control across events of varying scales and focus — from private functions to large public gatherings.
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Door Supervisors
At the core of our service are professional SIA door supervisors and rigorously trained personnel — managing entry, body and bag searches, and crowd control.
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Threat Intelligence
Intelligence-led security decisions to keep you ahead of risk — providing actionable threat assessments and informed protection strategies for your environment.
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London
The UK's Trusted
SIA Security Provider
At Big Cat Security Ltd, our mission is to safeguard people, property, and events with professionalism and integrity — delivering trusted, SIA-licensed security solutions across London and the UK since 2023.
We are officially licensed by the Security Industry Authority (SIA), ensuring all operations meet the highest legal and professional standards. Every member of our team is fully vetted, certified, and SIA-licensed — giving you confidence that your safety, property, and reputation are in trusted hands. What sets us apart: all staff are SIA-licensed without exception, with a proven track record of over 50 events successfully secured in just 3 years, dedicated mobile patrol management, and comprehensive insurance and full legal compliance.
Need Expert
Security Services?
Call us Monday–Friday 9am–6pm, Saturday–Sunday 10am–5pm. All enquiries handled with complete confidentiality and professionalism.
+44 (0)7722 143162Let's Talk
Security
All enquiries are treated with complete confidentiality. Passionate — Dedicated — Professional.