Who we are

Landmarc is a joint venture of Mitie, the UK’s leading facilities management and professional services company and Amentum, a leading provider of global mission services to the U.S. Government.

We work in partnership with the Defence Infrastructure Organisation (DIO), part of the Ministry of Defence, to manage and operate the UK Defence Training Estate, which covers around 120 locations across all four nations: England, Northern Ireland, Scotland and Wales.

Landmarc also has a consultancy business in the Middle East called Landmarc Gulf.

Our primary responsibility is to enable the Armed Forces to train safely and deploy on operations. This is integral to the security of our nation; underpinned by the maintenance of safe and secure defence infrastructure.


Mitie are the UK’s leading facilities management and professional services company. They manage and maintain some of the nation’s most recognised landmarks and work with a wide range of blue-chip private and public sector clients.


Amentum is a premier global government and private-sector partner whose experience, passion and purpose drive mission success. They operate, serve, maintain, protect and support the most discerning and critical programs in the US and abroad.


Landmarc Gulf is the international provider of choice for support services in military and civil protection training.