I did read an article today saying stockbrokers tend to offer better value than wealth managers, but I am not sure if any offer this kind of service. I made a start today by emailing a few, picked randomly from an LSE list of stockbrokers. I am treading quite cautiously because the service that I am looking for doesn't seem to be something firms advertize on their websites, and I can't really get the feel of how flexible, comprehensive, wanting the business, or expert these firms are, outside their generic services.
I bank personally with RBS, although my branch is their rather idiosyncra