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

Troubleshooting steps for ConsignO Desktop and Mac OS Catalina (10.15)

Since the update of Mac OS Catalina (10.15), some third-party software, including older versions of ConsignO Desktop, may have encountered difficulties when running. In order to resolve this situation, we invite you to download version 3.8.1 of ConsignO Desktop for Mac OS, available from our download page (in the Components ...

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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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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 for 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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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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CertifiO Manager Installation

Click on READ MORE for additional information on how to install CertifiO Manager.

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How to decrypt a .p7m file and verify its signature?

How to decrypt a .P7M file?

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Some products require an installation on your computer or on a server.

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