We can add your company logo to your invoices and estimates through the Company settings in QuickBooks Sole Trader, grs1965.
Here's how:
1. Log in to your QuickBooks Sole Trader account.
2. Click the Gear icon in the upper right corner.
3. Select Account and settings under the Profile section.
4. In the Company Name section, click the pencil icon on the right.
5. Below the empty box, click the plus icon.
6. Then click inside the box to upload your logo.
Afterwards, when you create an invoice and estimate, the company logo will automatically be placed there.



For detailed guidance on how to personalise and add specific info to your sales forms, check out this article: Customise invoices, estimates, and sales receipts in QuickBooks.
We can also open this article after you process a payment from a customer and record it in QBO: Record invoice payments.
If you have any other concerns, feel free to return to the Community for further assistance.