You might need to make a sale or two on that Private account before being able to switch it to a business account.
Then proceed this way:
- Go to Account settings in My eBay.
- Select Personal information.
- Select Edit next to Account type. You may be asked to sign in again.
- Select Confirm to upgrade to a Business account.
- Specify whether you operate your business as a legal entity or as a sole proprietor and select Continue.
- On the following page, enter your business information such as name, contact information, and returns policy. Then select Save.
Probably best to use a PC / laptop for this, and not the app or mobile browser. Chrome seems to work best on eBay.
You say you don't remember when you opened the account this one was opened on the 4th Feb 2023, have you fully registered with eBay's Managed Payments? You have to do this to sell on eBay.
You need to provide eBay with details of a bank account and have this account verified. The usual method here, is for eBay to send 2 micro deposits into that nominated bank account for you to receive, and confirm to eBay.
Once this is completed, you will be able to list items for sale, and receive payouts from those sales.
This will show you how to register for eBay's Managed Payments.
https://www.ebay.co.uk/help/help/selling/getting-paid/introducing-managed-payments-ebay?id=4795
@hasreh2534
