IPA would make that the BIG 5 advisors. Add News Corp and you will find the BIG 6. Or were they LNP Lobbyists friends with benefits?

Australia’s original Big 4 ‘whistleblower’ George Rozvany called for the bust up of PwC, EY, KPMG and Deloitte in these pages eight years ago. These “unregulated private partnerships” have cost Australia dearly.

Source: George Rozvany: living in the shadows of the Big 4 and the art of sudden reappearance – Michael West