inSign is an electronic signature solution for PDF, Word and Excel documents. It supports simple, advanced and qualified signatures under eIDAS and ZertES; the handwritten biometric signature is the standard method, and identification for qualified signatures can take place by video or automatic ID check. It is offered as a standalone web application (inSign 365), as an API licence for integration (inSign connect) and as an individually configured system (inSign enterprise). A REST API and connectors for Microsoft, SAP and Salesforce are available.
inSign GmbH is based in Marzling near Freising, Germany, and is owned by BSI Business Systems Integration Deutschland GmbH, which belongs to the Swiss BSI Software group. According to the vendor, the servers are located in Germany and operated by German companies, without reliance on US cloud providers. The company and its data centres are stated to be ISO 27001 and C5 certified. inSign is proprietary software; no open-source edition is described. For a European organisation, the combination of a German vendor, a Swiss parent and hosting in Germany keeps signed documents under European jurisdiction.