Findings -The author's data show UK banks had on average higher cash ratios, higher leverage ratios, higher loan to deposit ratios, higher capital ratios, lower asset quality, lower ROA but higher ROE than the Australian banks.Research implications-The results support the findings in the Financial Development Index 2011 of the World Economic Forum. UK banks should ameliorate its ranking on financial stability by improving the quality of loans and capital.Practical implications-The analysis is of use to regulators who are contemplating the need for reforms aimed at improving financial ratios of banks. Basel III Accord has introduced some recommendations but has its limitations.Originality/value -This paper's value lies in providing analysis of the top four UK and Australian banks' performances during [2004][2005][2006][2007][2008][2009]. There is room for improvement in providing a more stable financial environment in the UK.Paper type: Research paper