Protecting property throughout Yorkshire 24/7
Call our team on 0113 200 2060

"We challenge, improve and redefine industry standards so we can provide our clients with the most cost-effective, efficient and appropriate security services".

4 Site Security is the leading independent security provider in Yorkshire, UK.

We have been providing specialist security services for over 16 years and we are renowned for our exceptional customer service and the professionalism of our employees.

We supply security services throughout Yorkshire to various sectors, from corporate and industrial protection, to concierge and gatehouse duties.

Everything we do is tailored to your precise security requirements.

“Our passion for customer service and attention to detail has driven every aspect of the business since we began. It helps us provide high-quality service and products, ensuring we have well-trained, enthusiastic security officers, staff and management working in a great team environment.”

Paul Walton - Managing Director

4 Site Security Services Include:
  • Professional manned security
  • Mobile patrols and void property inspection
  • Alarm response and key holding
  • Concierge security
  • CCTV monitoring
  • Security systems installations, maintenance and monitoring

We are cost effective, efficient and professional, we offer tailored security packages, and will carry out a free site evaluation and audit of your current security procedures.

All our Officers are SIA licensed and vetted to British Standard BS7858

For a professional assessment and advice please phone 4 Site to see how we can help on 0113 200 2060


Terror Level

The current threat level for international terrorism in the UK is SUBSTANTIAL.

The threat level for the UK from international terrorism is set by the Joint Terrorism Analysis Centre (JTAC). SUBSTANTIAL means an attack is likely If you see or hear anything that could be terrorist-related trust your instincts and call the anti-terrorist hotline on 0800 789 321

Please refresh the knowledge of staff that have received either Project Griffin or Project Argus training and deploy staff who have received training in behavioural detection (where you have them).

The London Regional Counter Terrorism Protective Security Unit have provided further guidance and recommendations for businesses and security staff.

We also recommend that security operatives refresh themselves with how to be vigilant by watching the video ‘Personnel security - Eyes Wide Open’ by the Centre for the Protection for National Infrastructure (CPNI).  

Download the London Regional Counter Terrorism Protective Security UpdatePDF
Watch the video: Personnel Security - Eyes Wide Open
Download the guidance: Protecting crowded places from terrorism
More Guidance: Crowded Places Giudance

Find out more about:
Project Argus (counter terrorism training to protect a business or an organisation).

Watch the video Run, Hide, Tell 
Read more about the Prevent strategy