When EY’s global chief Carmine Di Sibio boarded the accounting firm’s private jet out of Davos in the early hours of Thursday morning, the Italian-American executive had already embarked on a more daring journey.
Sitting aboard EY One, as the Bombardier jet is known within the accounting firm, the auditor was steering a plan to break up the Big Four group that would reshape the oligopoly that has dominated professional services since their rival Arthur Andersen was brought down in 2002 by the collapse of US energy group Enron.
