From the backoffice, on the left side menu -> Settings -> Business -> Segment Settings > Tab “Logo”
Then drag your logo or update it.
Places where the logo is used:
- Invoices,
- Customer Portal (by default, ProAbono uses this logo in the hosted pages but it can be removed if you edit the CSS of your Hosted Pages.),
- In the top left corner of the backoffice,
- On the login page of the backoffice.