Interesting article in the latest edition of the Economist about auditors. KPMG rates a mention.
You may have to subscribe to read the article. You get to read three articles for free per edition if you decide to enrol. The printed edition costs $A10.
http://www.economist.com/news/business/21591227-making-companies-auditors-more-independent-will-be-tough-task-regulators-shining-light