Access your user profile by left-clicking on your Username at the top right of the screen (1) and then clicking anywhere in the red box from the screenshot below (2):
This will take you to the Business Settings screen, below the Business Information table there will be a green button labelled “+ Change Reports Logo”. Click this button (1):
You can drag-and-drop any common picture file type (e.g. JPEG, PNG) or browse your local PC and upload the picture.
Click the green save button (1) once you have uploaded the picture:
A grey loading screen will appear over the report logo while it processes, this may take a few minutes.