“…After the exit of Andersen, concentration ratios in the large client markets increased to enormous levels (Beattie et al, 2003;Oxera, 2006) and in the UK, the supply of mid-tier firms fell, largely as a result of mergers and firms leaving the market, voluntarily or otherwise. The Big Four have a history of influencing policy, regulatory and professional bodies through their collective lobbying and other legitimation activities (Malsch and Gendron, 2013;Puxty et al, 1987;Robson et al, 1994;Sikka and Willmott, 2009). In the following analysis we first present our findings regarding research questions one and two, which reveal three social mechanisms associated with the dominance of the Big Four, namely rites of institution, euphemised discourse and socialisation.…”