Penneo A/S

Software DevelopmentHovedstaden, Denmark51-200 Employees

Penneo is a certified digital trust platform that provides electronic signing and data collection via forms for businesses across Europe. Founded in 2014 and headquartered in Copenhagen, Penneo serves more than 3,500 companies, including many of Europe's leading audit and accounting firms.

Core capabilities: Penneo enables companies to digitally sign documents using MitID, BankID Norway, .beID, itsme®, BankID Sweden, AusweisApp, or passport via ID Verifier, and maintain tamper-proof audit trails — all within a single platform. Every transaction creates verifiable evidence of who approved what data and when.

Built for compliance: Penneo is a qualified trust service provider, designed to meet European regulatory requirements including eIDAS. The platform ensures that document signing and data collection remain fully compliant with current and evolving regulations.

Built for integration: Penneo integrates with existing business systems via API, transforming complex compliance and signing workflows into streamlined processes for both internal teams and their clients.

Who uses Penneo: Audit firms, accounting firms, law firms, and other regulated businesses that need secure, compliant digital signing and data collection at scale.

Key markets: Penneo operates across Europe with a strong presence in the Nordics (Denmark, Sweden, and Norway) and Belgium

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