Bank background verification is to make sure that the candidates are honest about their past employment, educational qualification and professional credentials. Some banks check credit history to know about their financial habits and patterns. The How: Bank background verification is to make sure that the candidates are honest about their past employment, educational qualification and professional credentials. ... The applicant has to sign the agreement, notifying them about their consent for the pre-employment background check. Most banks require address proof, identity proof, income proof documents, a duly filled loan application form along with passport-size photographs to process a personal loan. Documents Verification Process: The bank takes 1 or 2 days to analyse the documents provided and forwards it to the verification department.