Those examining the wreckage of the banking industry for new models for the future may find some ideas in private banking.
At least two things are clear about the future of banking. First, the activities of any banking group must be confined within the ability of the directors to understand the businesses for which they are responsible. Second, all banking businesses should be predicated on delivering a range of services that add value to identifiable customer segments, through meeting their needs.

FTFM 

