It’s a great idea to open every bank and credit card statement when they arrive in the mail.
Your first job should be to ensure that you recognize all of the purchases that show up. Most banks only allow one month to address any discrepancies, and if you are prone to poor penmanship there is a greater chance of there being errors based on interpretation.
It is very helpful to the bookkeeping process if you separate your receipts and put the appropriate receipts with the appropriate statements. When you save time for your bookkeeper, you also save yourself some money.
A primary function of the bookkeeping process is to ensure that the company bank account and credit card accounts are reconciled regularly.