Editing Big Four accounting firms (section)

=== Tax avoidance ===
According to Australian taxation expert George Rozvany, the Big Four are "the masterminds of multinational [[tax avoidance]] and the architects of tax schemes which cost governments and their taxpayers an estimated {{US$|1 trillion}} a year". At the same time they are advising governments on [[tax reform]]s, they are advising their multinational clients on how to avoid taxes.<ref>{{Cite news |date=2016-07-11 |title='Tax avoidance' masters revealed |publisher=The NEWDAILY |url=http://thenewdaily.com.au/money/finance-news/2016/07/11/architects-global-tax-avoidance-revealed/}}</ref><ref>{{Cite news |date=2016-01-18 |title='Big Four' audit firms never examined over illegal tax plans |work=[[The Independent]] |url=https://www.independent.co.uk/news/uk/crime/emb-0000-big-four-audit-firms-never-examined-over-illegal-tax-plans-a6818126.html |quote=Regulators fail to act as they are dominated by the companies they are supposed to police, say critics}}</ref>

The [[PwC tax scandal]] is one example where PwC sold advice to clients on tax avoidance, and did so using information obtained from PwC tax experts consulting for the Australian Tax Office and Department of Treasury.