Your business credit card will now appear with your other Chase cards and deposit accounts on the “Accounts” tab. Note that once you’ve linked your Chase business and personal credit cards to a single login page, you can only remove an account by calling Chase technical support at (800) 945-2000.
https://wallethub.com/answers/cc/how-to-add-chase-business-credit-card-to-online-account-2140766065/