The work of the Enterprise project is supported under the DTI's Intelligent Systems Integration Programme, Project Number 8032. I acknowledge the contributions to this paper of a variety of people involved in the Enterprise project: Dr Nigel Carr, IBM UK; Professor Stuart Moralee, Unilever; Graham Storrs, Logica; Yannis Zorgios, Lloyd's Register; and Dr Mike Uschold, AIAI, The University of Edinburgh.