When analysing financial sector's fixed income securities from ESG point of view, there is quite often information asymmetry present. Due to the nature of banks' business, like bank secrecry, complicated financial structures, off-balance sheet items and possibly large loanbook pose challenges the evaluation of banks. What can be done in analysing banks is to consider if they operate in geographical areas where there are elevated risks for money loundering and corruption. Also, as banks loan books can be large, it is important for us to be able to evaluate ESG risks that are actually in their loan books.