Sign your documents digitally

Agreements, invoices, consents signed by your customers in the simplest and most legal way.

Swich from paper to digital

Fill your form fields faster than ever

Smart forms

  • Get your forms filled quicker than ever
  • Improve UX!
  • Prevents errors when filling blanks through field and condition validation

Improve your user experience


  1. Prepare your documents

    Upload your documents in PDF, docx, odt format and add fields to start the signing process

  2. Submit the request

    Add recipients and submit the request via text message or email. A notification will pop up after submitting the request

  3. Sign the request

    The user receives and sign the request. You can keep track of the signing process. Handle your documents in the cloud.


Quick integration

Integrate electronic signature capabilities into your ERP, CRM or any other software in a quick and easy way

Request Access

The most comprehensive solution on the market

Switch from paper to electronic signatures

Remote Signature

Mail or SMS the documents to be signed. The signatory will be able to sign them anywhere

Face-to-face Signature

Sign documents face-to-face via tablet or smartphone

Certificate-based signatures

Sign or send signature requests to your clients so they can sign them with their digital certificate

Template editing

Create templates to streamline the sending of recurring signatures: Monthly contracts, payroll...

Custom Forms

Collects the signer's info and includes it in the document

Audit trail

It involves all participants in the signing process of a document and sets the order of each signatory

Advanced signature workflows

Add all the participants in the signing of a document and decide the signing order of each one

Electronic signature API

Integrate the most comprehensive eSigning solution on the market into your best apps


Integrate the digital signature into your Android or iOS apps

Avoid litigation through contract clauses

Compulsory reading clauses

Legal Guarantee

La tranquilidad para ti y para tus clientes. Cumplimiento del reglamento RGPD

Why is this important?

Most people do not read the whole contract or do not understand the clauses. This feature forces the client to read and to better understand the most important terms.

The most common questions, quickly resolved


What is Viafirma Documents?

Viafirma Documents is a digital signature software that allows the user to electronically sign documents practically on any device (in PDF, DOCX, ODT format) from almost anywhere in the world.

What type of e-signatures can I use? Are these signatures legally valid?

You can use different types of legally binding eSignatures around the globe. Choose the one that suits you best:

  • Biometric Signature
  • OTP SMS/ OTP mail
  • Digital certificate signature
If you wish to sign with your cloud centralized certificate, please check our solution Viafirma Fortress

Can it be integrated with other solutions?

Yes, Viafirma Documents allows integration with third-party software. It has API REST to simplify the integration of third party applications as well as to manage users, devices, messages, notifications, etc.

Where are the signed documents stored in Viafirma Documents?

Your documents can be stored in the back end or in your document management system. Viafirma Documents allows you to customize the final stages of the life cycle of a document by implementing different mechanisms for transferring and/or copying the generated and signed documents.
Mechanisms that are currently supported: NFS, FTP, CMiS (Content Management Interoperability Services) and, in general, any repository that exposes its REST services.

Discover new features

More about Viafirma Documents

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Are you looking for a digital signature solution for your business?

Tell us about your signing process and we will provide you with the solution that best suits your needs