Best Digital Signature Software for Silverfin

Penneo provides a certified digital signing platform tailored to audit firms, law firms, and financial institutions that deal with strict compliance requirements. It supports legally binding electronic signatures under eIDAS and integrates with national eID schemes across Scandinavia and the EU. A REST API allows integration with CRM and ERP systems, making it straightforward to add Penneo to an existing tech stack. The platform has strong adoption among Nordic accounting and audit firms handling annual reports and financial statements, and is steadily expanding across other regulated sectors in Europe.