The digital signature that certifies your identity, professional status, and organizational affiliation.

The Digital Seal that Keeps your Digital and Paper Documents Secure

CertifiO Code

Trusted timestamp service for time-sensitive documents and emails.


The software that makes digitally signing all your PDF documents easy.

ConsignO Desktop

A digital and trusted electronic signature platform with high-level legal reliability.

ConsignO Cloud

Ensures the reliability of thousands or millions of documents by automating your business processes.

Consigno Server

Easily check signatures, PDF/A compliance, and VDSs (visible digital seals).

Available in mobile, Web or Server version.



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Frequently Asked Questions

Support Mac OS BIG SUR

Apple launched a new version of its OS (v 11.x) named Big Sur in November 2020. Unfortunately, incompatibilities have been noticed with ConsignO Desktop 3.8.2, which therefore also includes the CertifiO Suite. We are currently working on a software update, but it is therefore recommended to not update on Big ...

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I changed my computer. Steps to follow.

How to configure your new machine to use your digital signature?

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Change of company - Steps to follow

You have moved to a new company and would like to continue using your digital signature ? Two scenarios are applicable : You have a copy of your digital certificate with you (.EPF file) : Click here You do not have a copy of your digital certificate with you (.EPF ...

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I lost my digital signature and/or my password.

You will need to recover your digital signature. Learn more on this process.

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How can I obtain an image of my Seal and/or my handwritten signature ?

What you should know A Signature Appearance is a visual representation of what will appear on your document when you stamp it or sign it with a visual signature. It is usually an image of your written signature or your seal, but it can be any image you want to ...

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I am using Adobe® and I get the message « At least one signature has problems ».

Your Adobe® software might not be correctly configured to validate a Notarius digital signature.

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Update of my digital certificate

Procedure for updating the digital signature file for Windows. Procedure for updating the digital signature file for Mac OS. Troubleshooting procedure.   Procedure for updating the digital signature file for Windows: Updates to your digital signature file (.EPF file) are required periodically to ensure that it remains ...

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Consigno: The “Sign” button is greyed out

I cannot sign in ConsignO, what should I do ?

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ConsignO: An error occured while accessing the certificate

I cannot sign in ConsignO Desktop and receive the error message "An error occured while accessing the certificate".

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