Sep 4, 2026 – 4.45pmThe corporate regulator is reviewing more than 550 internal complaints of alleged misconduct at the big four auditing firms as part of its surveillance, a parliamentary committee has heard.Labor senator Deborah O’Neill’s powerful joint committee on corporations and financial services also heard that the Australian Securities and Investments Commission had expanded its investigation into the under-pressure KPMG to cover the conduct of people and entities close to the firm.Subscribe to gift this articleGift 5 articles to anyone you choose each month when you subscribe.Subscribe nowAlready a subscriber? Fetching latest articles