Contact
Questions about BillSplitter, the IFRS 15 / HGB / OR calculations, or the export formats? Send us a message and we'll reply within one business day.
Prefer email? Write to billsplitter@siempi.ch. Responses come from the same address.
For formal or legal inquiries (invoicing, partnerships, data requests), see the Imprint. BillSplitter is operated by Siempi AG, Switzerland.