Security Services

Highly Reliable and Responsive Security Services

NOONAN is a leading provider of security services across the UK and Ireland. Many of the world’s most prestigious companies have chosen NOONAN to protect their people, property and resources for organisations. We operate across multiple sectors and we have special expertise in providing security services to highly complex and public facing environments. We are sector focussed business and we have structured our company to support our key market sectors. This means we have the necessary sector expertise to provide best-in-class services for clients.

We self-deliver our security operations to ensure we provide a highly reliable and responsive security service.  We know our clients’ security needs can change, sometimes at very short notice. Our self-delivery model provides us with the flexibility to quickly and efficiently ramp up or scale down our security solutions to meet these changes.

Expert Service Management

Our services are rigorously managed by highly professional and experienced managers. Our sector dedicated service managers ensure all our services are fully compliant with regulations and reflect best practice across all sites . Our teams, supported by our central operations support structures, strive to provide our clients with superior value, peace of mind and the safest facilities. Our managers form true partnerships with our clients which helps to ensure we consistently achieve service excellence and high levels of client satisfaction.

Our wide range of security services include:

  • Manned Guarding
  • Key Holding
  • Mobile Response
  • Crisis Prevention
  • Training & Consultancy

A photo of two NOONAN security officers

Electronic Security Solutions

We offer a wide range electronic security services including design, installation and maintenance of CCTV systems, access control systems and intruder detection systems and monitoring services. We use the best technologies and practices to provide you with the most secure and reliable electronic security services and solutions. Click here to Learn more about our range of electronic security services and solutions.

We are a Fully Accredited Security Company. Our many security accreditations include:


  • ISO 9001 – all divisions
  • ISO 14001 – all divisions
  • OHSAS 18001 – all divisions
  • PSA 28: 2013 and PSA 39: 2014
  • Qualsec Gold
  • IS EN 50131-1:2006 Intruder Alarm Scheme
  • IS EN 50132-1:2009 CCTV Systems
  • ISO 27001: 2013

Northern Ireland

  • ISO 9001 – all divisions
    ISO 14001 – all divisions
    OHSAS 18001 – all divisions
    Investors in People
    NSI Gold NACOSS Approved CCTV & Intruder Alarm Installer
    NSI Guarding Gold
    ISO 27001: 2013NOONAN holds SIA approved contractor status for the provision of Security Guarding, Key Holding, Vehicle Immobilisation and Public Space CCTV services.


Great Britain

  • ISO 9001 – all divisions
  • ISO 14001 – all divisions
  • OHSAS 18001 – all divisions
  • NSI Guarding Gold**
  • Investors in People
  • ISO 27001: 2013