Credit Rating Agency of Bangladesh (CRAB) Limited has assigned BBB1 (Pronounced Triple B One) rating in the long term and ST-3 rating in the short term to First Security Bank Limited (FSBL).

Commercial banks rated in the long tern BBB1 belong to 'Average Safety' cohort. These banks are adjudged to be solid banks, characterized by average financials, valuable and defensible business franchises, and an attractive and stable operating environment. This level of rating indicates average capacity for timely payment of financial commitments, moderate likeliness to be adversely affected by foreseeable events. Commercial banks rated in the short term 'ST-3' category are considered to have average capacity for timely repayment of obligations, although such capacity may impair by adverse changes in business, economic, or financial conditions. Banks rated in this category are characterised with satisfactory level of liquidity, internal fund generation, and access to alternative sources of funds.