As an experienced software provider, we support the connection to Elster in order to securely transmit the VAT return and the ZM return directly from the financial accounting system EFM (Enterprise Financial Management). Our software is used internationally: EFM is one of the leading business software solutions on IBM i servers and offers high-performance financial accounting for companies of all sizes.
Portolan has been offering a seamless connection to Elster since the 2000s. Since February 2025, Portolan has also been officially listed with Elster – a further step in our mission to support companies worldwide with innovative financial software solutions.