The inquiry’s chairwoman Laura Carstensen is preparing her final report with a series of tough measures to break the stranglehold EY, Deloitte, KPMG and PricewaterhouseCoopers have on the listed audit market. The investigation has dragged on for two years, which Mr Varley said had been a “distraction for myself and the partners who have been interviewed and taken up quite a lot of resources, including internal and external lawyers.”