This Category A Listed building is described in the listing information as being Modern classical in style.  It comprises 8 storeys with a raised basement.  The St Vincent Street facade features a giant Greek ionic colonade.  In his book, "Exploring Glasgow - The Architectural Guide", Robin Ward describes this building as, "...A magnificent pile of North American classicism".  It started life as the Union Bank of Scotland and inside features a double height banking hall, "... with more columns and much marble".  Ward points out that the banking hall was, "... preserved as a foyer for an ingenious steel framed rebuild with new office floors behind the old facade."