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

Paperless - Sign without paper


Companies that trust us


How does it work?

1. Prepare your documents

Upload your documents in PDF, docx, odt format and add the neccessary input fields and forms to proceed to the signature

2. Send the request

Add recipients and send a request via email or SMS. You will receive a notification after sending your request

3. Simple management

Tracking the overall signature process. Management and custody of the documents in the cloud.

Digital signature using a smartphone with Viafirma

Quickly fill your fields

Smart forms

  • Improve your user experience
  • Get your forms filled out faster than ever
  • Avoid data entry errors errors when the user fills in the form with field and condition validation

Prevents litigation caused by not reading the clauses

Mandatory reading clauses

Legal Guarantee

Peace of mind for you and your customers.
Complying with GDPR regulations

¿Why is it important?

Most people do not read all the contracts or do not understand some clauses. With this solution we are forcing the client to read them, as well as helping him to better understand the most important ones.

VIAFIRMA DOCUMENTS is the most comprehensive solution on the market


Remote Signature

Mail or sms the documents to be signed. The signer will be able to sign from anywhere.

Face-to-face Signature

Sign documents in controlled environments via tablet or smartphone

Sign using the Digital Certificate

Sign or send signature requests to your customers to sign with a digital certificate

Customized brands

Your customized apps and emails using your own brand

Template editing

Create templates to accelerate the sending of recurring signatures: Monthly contracts, payrolls...

Identification and Authentication OTP/SMS

Sign all your documents with an SMS code

Customized Forms

Collects the signatory's data from a form and adds the information to the document

Audit Trail

The entire signature process is audited considering all digitally collected events.

Advanced signature flows

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


It integrates the most comprehensive solution on the market in your favourite apps.

100% Cloud

Manages your digital signatures through our Cloud tool


The digital signature can be easily integrated into your Android and iOS apps.

Legal Regulation and auditing

Your documents signed and validated complying with the most demanding regulations in the world: EIDAS Regulation - (EU) N 910/2014


Our solutions offer full validity, complying with the most demanding regulations in the world: EIDAS Regulation - (EU) N 910/2014 (EU).


Documents signed by Viafirma Documents contain an audit trail that include all data, events, and evidence collected during the signing process.

EAD Trust, European Agency of Digital Trust, S.L CERTIFIES that, regarding the digitized signature management, Viafirma Documents meet the criteria established by this entity for the managed signatures to be considered as ''Advanced Digitized Handwritten Signature''

the digital signature suitable for any need

Easy Integration


Easy integration through our API REST


Access to our sandbox for free

Sign Documents

Integrate CRM, ERP and Salesforce with your tool



Viafirma documents is a digital signature software that allows you to sign documents (in PDF, DOCX, ODT format) from any device and anywhere. 

Documents signed with Viafirma Documents are legally treated to comply with current EU regulations.

Upload your documents in PDF, Docx, ODT format. Include the necessary forms to carry out the signature. Create and use templates

In any of our plans we give you the option to unsubscribe at any time. 

Even if you unsuscribe you won’t lose your data, we simply won’t let you make any more signatures.

We offer you the possibility to use qualified signature (With digital certificate) or advanced signature (biometric signature, fingerprint reader, OTM/SMS identification)

Yes. It allows to create a PDF from pre-designed templates that can be done in two ways: via Microsoft Word and Adobe Acrobat with AcroForm input fields

Yes. Viafirma Documents allows integration with third-party backoffices through API Rest to facilitate the integration of third-party applications and to  manage users, devices, messages, notifications etc.

Documents can be stored in the tool or in your document management system. 

Viafirma Documents allows you to customize the final stages of the life cycle of a signed document through mechanisms for the transfer and/or copying of both generated and signed documents.

The mechanisms that are currently supported are: NFS, FTP, CMiS (Content Management Interoperability Services) and, in general, any repository that exposes its REST services.

Related Articles

qUESTIONS | demo | More information

We call you

Pick the best day and time and one of our professionals will contact you

How can we help?

Or if you prefer...

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