You might consider contacting the Career Research and Advisory Council in Cambridge they are an organisation whose sole purpose is helping graduates move into the commercial world. They hold a number of networking events that bring together grads and employers and they have ties with most consulting organisations. Let me know if I can be of help.
Here is a contact:
CRAC | Events Marketing Administrator
Cambridge CB3 0AX
t +44 (0)1223 448536
f +44 (0)1223 311708