The Agency's Role as defined in its Corporate Plan is: Delivering Effective Policing and Guarding as part of the UK's Defence capability.The focus of all Agency activity is to counter the following main crime and security risks faced by the MOD:
- Terrorist attack and the threat of attack
- Disruption and disorder caused by protestors
- Theft of key assets
- Major financial fraud
- Unauthorised intrusion onto the Defence Estate
The MDP supplies specialised civilian policing services to the whole of the MOD community, both military and civilian units. It also supports the Defence Vision (A Force for Good in the World) by contributing to international policing in countries such as Kosovo, Iraq and Afghanistan where its principal role is to help develop a model for human rights-based local policing, by training and mentoring local recruits.
The MGS role is to provide unarmed guarding and access control services to MOD units across the UK. It guards over 200 sites including the MOD HQ in London, the nuclear submarine base at HM Naval Base Clyde, and the RAF stations at Menwith Hill and Fylingdales.