Deloitte, Ernst & Young, KPMG and PwC: 2012 Revenues Increase to Historic Record Posted on 13/01/2013 by Minh Nguyen 2012 was a banner year for the Big Four accounting firms: Deloitte & Touche, Ernst & Young (E&Y), KPMG and PricewaterhouseCoopers (PwC) following strong growth...