These are a few bank and credit unions that require a minimum to open OR to be "fee free". Example: Bank Of America, you can open a business account with $100. In order to be 'fee free', you need to do one of the following. 1. $5,000 min balance. OR 2. Use $250 each month with the accounts debit card. Let's make this list larger. Contribute your findings below. This list will be accessible to you soon.