Security Blog — London & Essex

Security Guides & Advice

Expert security guides for London businesses from GM Secure’s SIA-licensed professionals.

Construction Site Security London: A Complete Guide 2026

Everything London contractors and developers need to know about protecting construction sites from theft, vandalism and trespass.

The 8 essential factors to check before hiring a security company in London — including SIA licensing, insurance and red flags to avoid.

The top 10 security threats facing London businesses — from theft and vandalism to organised crime and cyber-physical breaches.

Professional SIA-licensed security officers across London & Essex. Free quote, no obligation.