Hi there, @lee105. I'll direct you to the best team that can provide further assistance in resolving the issue with your invoices and estimates when the logo is not displaying in QuickBooks Sole Trader.
Please ensure to check their available hours to address your queries promptly.
- Click the Help (?) icon.
- Navigate to the Assistant
- Enter a question or topic you need help with, or type 'Contact'.
- Click the Contact Us button.

- Respond until you reach the option to chat with our Live support team.
After sending your invoices, you can record customer payments and refer to this article for detailed steps: Record invoice payments in QuickBooks.
Let us know if you have additional questions about adding a logo in QuickBooks by leaving a reply. We'll be willing to assist you.