Yes, you can change the customer a project belongs to up till a certain point. Projects with timesheet entries that are already on an invoice cannot have their customer updated. This is to ensure the invoice currency remains consistent with the currency of the customer.
To change a customer, click the Project Settings cog next to the project title and choose the new customer from the drop-down list.
Figure: Click on Project Settings and Choose a New Customer
Feel free to reach out to our support team via chat or support@avaza.com in case you need further assistance.