Aug 13, 2026 – 12.00pmNearly one in four of the country’s top 300 listed companies had the same auditor checking their books for more than 20 years, raising serious doubts about the reliability of their accounts.Proxy adviser Ownership Matters examined the accounts of the ASX 300 for the past nine years and tracked changes to so-called “key audit matters” – the auditor’s list of the key risks facing the company.Subscribe to gift this articleGift 5 articles to anyone you choose each month when you subscribe.Subscribe nowAlready a subscriber? Fetching latest articles