The nation's Information Commissioner has savaged the embattled Administrative Appeals Tribunal over a string of freedom of information failures.

Investigation reveal the $5.5 million gun club project at the heart of Gladys Berejiklian’s serious corruption has been a giant waste for taxpayers.

Businessman Ziggy Switkowski — who conducted the PwC “review” — shredded notes after meeting ex-PwC CEO Luke Sayers.

The CEO of PwC Australia parachuted into the role after the tax leaks scandal failed to disclose he was being paid $1.2 million a year from PwC International.

Australia's “largest Indigenous consulting business” – PwC Indigenous – is owned by just one Indigenous person.

Former NSW Premier and Optus senior executive Gladys Berejiklian has lost her bid to overturn findings of serious corrupt conduct.