Gasum signature service

Welcome to Gasum electronic signature service. You can sign documents as a Gasum's employee, partner or customer. The service is easy to use and it is fast to sign electronically.

How do I sign a document?

1. Log in to the service using your Internet banking codes.
2. Sign the document.
3. Save the signed document to your workstation. Signed documents are automatically deleted after they are signed, but the document validity can later be verified through the service.