It said that the big four banks collectively supply more than three quarters (77%) of the personal current account market in the UK, as well as more than … | more… https://www.google.com/url?rct=j&sa=t&url=http://www.shropshirestar.com/money/uk-money/2015/10/21/report-on-dominance-of-big-banks-to-unveil-initial-findings/&ct=ga&cd=CAIyHDQxMjEzYTNjZmYwOWZjYzQ6Y28udWs6ZW46R0I&usg=AFQjCNE89ua1FhbFHWH_iOxf0t-oE5lCuA