What is the appropriate collective noun for a group of chief executives? A board? A bonus? Or, perhaps, a Cazenove of chief executives, judging from the turnout at last week's formal launch party for clients of JP Morgan Cazenove.

The Tudor gallery at London's National Portrait Gallery was transformed for the evening into a who's who of the FTSE 100, showing that even though rivals are sniping at the grand old dame of UK stockbroking for hooking up with those brash Americans, Cazenove still has serious pulling power.