Shane Ross (Dublin South, Independent)

It also points out specifically - this is where Ireland comes in - that the auditing world is dominated by what it calls an oligopoly. By that, it means the big four - PricewaterhouseCoopers, KPMG, Deloitte & Touche and Ernst & Young. Nowhere is that problem greater than in Ireland, and the kernel of the problem is the consultancy work that has been given to auditors who are also auditing the company in question. In other words, the same company is doing consultancy work and doing the audit, so it has a serious conflict of interest.

See this speech in context