As the largest provider of facilities management to the MOD, we support over 360 Defence establishments and maintain around 50,000 service family homes.

We are proud to be making life a little easier for servicemen and women, their families and the civilian teams who work alongside them.

We are committed to creating true partnering arrangements and providing a wide range of support services for the British Armed Forces. As a trusted provider we deliver safe, sustainable and effective solutions for our customers. We are proud to appoint Reservists and support the employment and re-training of ex-military personnel.

Our impact

We provide a wide range of services essential to creating and managing infrastructure, from design and construction to lifetime maintenance, and Integrated Facilities Management.

We take time to understand our Defence customers’ specific needs and best address their requirements through the provision of integrated solutions, tailored to meet their needs.

Every day we ensure that the military estate is kept operational and safe to support the effectiveness of the Armed Forces in the UK.

Some notable facts:

  • We support 362 Defence establishments
  • We look after around 50,000 service family home
  • We carry out 40,000 maintenance jobs each month
  • We answer 500,000 helpdesk calls annually
  • We have won four military awards for our services.

Our capabilities

  • Programme Management – reconfiguration of infrastructure and support services that deliver efficiency and operational improvement
  • Integrated Facilities Management
  • Critical Environment Management (CEM)
  • Projects – minor works, lifecycle replacement, extensions, new builds, energy efficiency schemes
  • Armouries (including issuing weapons and ammunition)
  • Security
  • Administration services
  • Supply Chain Management.

Service excellence on the military estate

On behalf of the Defence Infrastructure Organisation, we look after our Armed Forces by delivering essential infrastructure and housing services.

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The National Housing Prime Contract

The National Housing Prime is a single UK-wide contract for housing maintenance, Estate Management and Occupancy Management services to around 50,000 UK military homes. We deliver a full range of housing services including managing Move In and Move Out appointments, allocations, the provision of furniture and maintenance and improvement work.

The four Regional Prime Contracts

Our operations across these contracts provide a diverse range of services including management services, facilities management (at MOD Abbey Wood and the United Kingdom Hydrographic Office), planned and responsive activities, estate management and grounds maintenance services. We also deliver small works projects and professional services.

Corporate Covenant

Carillion has signed up to the Government’s Armed Forces Corporate Covenant, which allows businesses to show what they can do to support our Forces. The Covenant was enshrined in law in 2011 to set in stone the moral obligation owed to the Armed Forces by Government and the nation.

Supporting our Reservists

Carillion supports Reserve Day and Armed Forces Day. We are proud to support Reservists who work for us and recognise the contribution they make to our business.


‘Sanctuary’ is an annual publication about sustainable development in the Ministry of Defence (MOD), and the sustainable management of the natural and built assets across the Defence Estate. Carillion is a regular contributor.

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