HMP & YOI Guys Marsh Shaftesbury Dorset, SP7 0AH Tel: 01747 856400 Fax: 01747 856401 Governor: Niall Bryant This page is only available to our Basic, Standard, Enhanced or Corporate Members. View our Membership Plans to sign up as Basic, Standard, Enhanced or Corporate Member to gain access to this. Already a Basic, Standard, Enhanced or Corporate Member? Login below. Username Password * Remember Me Forgot Password