Professional Security Services Across London
Reliable. Licensed. Professional Security You Can Trust.
Comprehensive Security Services
We deliver tailored manned guarding and site protection solutions across London, ensuring maximum safety, visibility, and rapid response for every client.
Manned Guarding Services
Construction Site Security
Dedicated protection for building sites, preventing theft, vandalism, and unauthorised access while ensuring compliance with site safety procedures.
Retail Security
Loss prevention specialists trained to reduce shrinkage, handle incidents professionally, and provide a visible deterrent within retail environments.
Corporate & Office Security
Event Security & Stewarding
Mobile Patrol & Key Holding
Scheduled or random mobile patrols with rapid alarm response and secure key holding services for round-the-clock property protection.
About Us
Our mission is simple to safeguard people, property, and assets through a strong physical presence, proactive risk management, and highly trained SIA-licensed security personnel. We are committed to maintaining the highest standards of professionalism, integrity, and responsiveness on every assignment.
About Garrison Services Limited
GARRISON SERVICES LIMITED is a professional security provider based in Northolt, delivering dependable protection services across London and surrounding areas. We specialise in manned guarding, site security, retail protection, and mobile patrol services tailored to each client’s operational requirements.
Our SIA-licensed security personnel are carefully selected, fully trained, and committed to maintaining the highest standards of vigilance, integrity, and professionalism at every assignment.
Our Commitment to Excellence
At GARRISON SERVICES LIMITED, security is more than a service — it is a responsibility. We conduct thorough risk assessments, implement clear site instructions, and maintain consistent supervision to ensure reliable protection at all times.
We pride ourselves on rapid response capability, clear communication, and a visible security presence that deters threats while maintaining a professional and approachable image for your business.
Frequently Asked Questions
Are your security officers SIA licensed?
Yes. All our security personnel are fully SIA-licensed and vetted in accordance with UK industry regulations. We ensure every officer meets strict professional and legal standards before deployment.
What areas do you cover?
We are based in Northolt and provide security services across London and surrounding areas. For larger contracts, we can discuss extended regional coverage depending on requirements.
Do you provide 24/7 security services?
Yes. We offer 24/7 manned guarding, mobile patrols, and emergency response services to ensure continuous protection for your premises.
What types of properties do you secure?
We provide security for construction sites, retail stores, corporate offices, warehouses, residential developments, and events.
Can you provide short-term or emergency cover?
Yes. We understand that urgent situations arise. We can deploy trained personnel at short notice depending on availability and site requirements.
OUR LOCATION
LOCATION
GARRISON SERVICES LIMITED is based in Northolt, providing professional security services across London and nearby areas. Our strategic location allows us to deploy personnel efficiently and respond quickly to client requirements.
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