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

Automatically checks the reliability of documents received (origin, integrity and authenticity) and their PDF/A compliance.

Verifio Server


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Frequently Asked Questions

I can’t activate my digital signature.

Two common reasons:Your corporate firewall blocks communications to our servers. Ask your technical support team to consult our Firewall configuration article to troubleshoot the issue.CertifiO Manager is not installed or not working. Consult the troubleshooting page. 

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

There are 3 possible reasons why: Your Adobe® software is not correctly configured to validate a Notarius digital signature. Please refer to the document titled How to Configure Adobe Software to Validate a Notarius Digital Signature. The document has been modified since it was last signed. The digital signature ID ...

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How to configure Adobe Acrobat to validate signatures

                                                                                                   Note: Depending on your Professionnal Association, your Certificate Authority might be "Notarius Root Certificate Auhtority". If so, please select this Certification authority and continue to STEP 6.                                                                                                                         ...

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I lost my digital signature and/or my password.

You will need to recover your digital signature and confirm your identity. There are 2 options available for the identity verification:Online: You will be required to have access to your professional email address (or secondary email address). Please click on the following link and follow the instructions on screen: ...

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Java - Installation and Troubleshooting

Warning: Java is no longer supported on Google Chrome since September 2015 and on Firefox since March 2017; Java is supported on Internet Explorer.We support all versions from Java 6 update 17, and strongly recommend you use the latest one.Do you already have the latest version of Java installed? Are ...

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I changed employer; what do I need to do?

If one of the following situations applies, you must update your work email:The work email in your account relates to your former employerYou want your new employer to pay for your subscription (if he has an account with us)You need to recover your digital signatureIf you still have your digital ...

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Can I digitally sign on more than one computer?

Yes, but it is strongly recommended in this case that you save your digital signature (.epf file) on a USB key. Simply install your digital signature certificate and the Entrust® application on the computer(s) you are using. Also, make sure to have your signature image files ready and on hand ...

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What is a digital signature certificate and what type of information does it contain?

The digital signature certificate can be compared to a passport. It contains information that helps authenticate the signer’s identity and links them to their digital signature. All recipients can see the certificate’s details by accessing Notarius’ online certification servers. Certificates are issued by Notarius, a certification authority, once a user’s ...

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Can a digitally signed document be modified?

No. However, you can add annotations (comments) to a digitally signed document. To do so, you need a PDF editor. A signer can always restrict or disallow annotations to their documents. Nevertheless, if a document is annotated after it has been signed, a warning message will appear to notify you. To accept ...

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Corporate billing account form

Open a Corporate billing account (A minimum of 5 subscriptions are required). Billing-account-form Download PDF document Save file to your workstation  Open locally  saved file Fill out interactive form Email the duly completed and signed form to: ...

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