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  • The only security company
    you will ever need
  • Monitoring facilities 24/7 from our
    secure control room
  • Delivering professional bespoke
    manned security services
  • Delivering professional bespoke
    manned security services
  • Providing technical security system
    installations and CCTV monitoring
  • Providing technical security system
    installations and CCTV monitoring
  • Providing technical security system
    installations and CCTV monitoring

Our security services

Safeguarding your property is our business, leaving you to get on with yours

4 Site Security has been ensuring the safety of commercial and residential properties across Yorkshire since 2001. We're trusted by business owners and facility managers to monitor, preserve and protect their buildings against intrusion or fire.

From installing high-definition CCTV systems that provide a 'second pair of eyes', to having real-life security officers patrolling your grounds, we cover all facets of security.

Offering you protection with high-quality technology, robust systems and accredited professionals. You can sleep easy knowing your business assets are in safe hands with the team at 4 Site Security.

Our professional security services

Access Control

Take control of your building and assets today with our robust access control system, protecting you from any unpermitted visitors…

Manned security

Rest assured that your business premises, workforce and visitors are all protected by our team of SIA-accredited security officers…


No need for eyes in the back of your head when you have an HD CCTV system to keep watch of your business premises around the clock…

Mobile patrol & void property inspections

Ensure your premises – active or empty – are checked regularly with our mobile patrol and void property inspection services…

Monitored intrusion &
fire alarm

An advanced intrusion and fire alarm warning system will safeguard your property against damage caused by intruders or fire…

Key holding & alarm

Keep your facilities, parking areas and delivery docks safe with our reliable alarm response and key holding solution…

"Understanding the potential risks in our line of business is vital, and we worked with 4 Site Security who helped us develop a solution to help minimise some of these risks. We have successfully trialled this solution at two of our sites and plan to roll it out to other sites in the near future. 4 Site Security are constantly innovating and always coming up with new ways to help us."

Stephen Milliband, IT Director, WasteCare

Get the protection you need

Contact our friendly experts today to discuss a bespoke security solution, tailored to your organisation’s needs.