Jul 9, 2026 – 5.00amThe corporate watchdog has launched an investigation into how the big four accounting firms handle internal complaints, in an unprecedented intervention into the multibillion-dollar sector, which has historically avoided meaningful regulation.The Australian Securities and Investments Commission will use compulsory information-gathering powers to force KPMG, Deloitte, EY and PwC to hand over documents relating to their treatment of internal complaints. The probe is in response to KPMG failing to adequately look into claims by a whistleblower of misconduct in its audit division and then allegedly bullying him for raising concerns.Subscribe to gift this articleGift 5 articles to anyone you choose each month when you subscribe.Subscribe nowAlready a subscriber? Fetching latest articles