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Discover why PortaSigma is the digital-signed documents management tool you need.

PortaSigma for electronic invoicing

Create a PortaSigma account to manage your invoice issuing

In order to send an invoice in a digital documents, some countries require to sign it digitally, to protect its integrity.

Upload, sign and distribute your signed invoices from PortaSigma. Keep all your invoices in your account, for an easy location.