The details that appear at the top of every invoice (company name, address, email, VAT number, Chamber of Commerce number) come from Manage → Settings → Agency info.
Fill in there:
- Company name (as shown on the invoice)
- Postal address
- Contact email address
- VAT number and Chamber of Commerce number (appear at the bottom of the invoice)
- Bank details (IBAN, BIC)
Changes apply to all future invoices. Already sent invoices retain the details that were valid at the time of sending.