An internal bank score is a credit-risk rating that a bank creates for its own customers using information it has about them. Unlike a public credit score (such as a score from a credit bureau), an internal bank score is not usually visible to you and may differ from your external credit score. Banks may calculate this score using factors such as: Your account balances and savings history Income deposits and payroll activity Loan repayment history with that bank Credit card usage and payment behavior Overdrafts, bounced payments, or late payments Length of your relationship with the bank Other products you hold with the bank (mortgage, investments, etc.) Why banks use it Banks use internal scores to help decide: Whether to approve a loan or credit card How much credit to offer What interest rate to charge Whether to increase or decrease credit limits How much risk you represent as a customer Example Two people could both have an external credit score of 750, but: Person A has kept a checking account with the bank for 10 years, receives regular salary deposits, and has never overdrafted. Person B just opened an account and has limited history with the bank. The bank's internal score may rate Person A more favorably, even though their external credit scores are identical. Can you see your internal bank score? Usually not. Most banks treat it as a proprietary risk model. However, if you're denied credit, regulations in many countries require lenders to provide reasons for the decision, even if they don't disclose the actual internal score. If you saw "internal bank score" on a loan application, credit report, or banking document, tell me which bank or document it appeared on, and I can explain what it likely means in that specific context.