Online contract signing

The labor contract signing platform accredits: content integrity, identity of the organization and worker, collects the worker's agreement regarding the terms of the contract and enables its signature by both parties. It generates legal evidence of the delivery made and, optionally, confirmation of the notification opening. Furthermore, it has the ability to encrypt and generate self-executing files in order to guarantee privacy.

All the service is managed through our Public Key Infrastructure (PKI) platform, a technology entirely developed by ANF AC that incorporates exclusive services such as interoperability with all qualified certificates in the market, issuance of qualified validation certificate, self-executing encryption, communication via WhatsApp, and signature / Qualified electronic seal of long validity.

It can be used with all types of computer terminals such as PC, Laptop, Tablet, SmartPhone.

Simple and effective procedure

In any of the modalities the procedure is simple and reliable, providing valid evidence in legal procedures.

What are this service benefits?

Access from any computer terminal
Legal validity
Delivery and issuance of the receipt right away.
Cost savings
Evidence in
legal procedure
Most competitive prices
in the market
Application Programming Interface (API) and engineering support for developers

Regulatory compliance

Public Key Infrastructure (PKI) platform developed in accordance with Regulation (EU) 910/2014 on electronic identification and trust services for electronic transactions in the internal market, European Telecommunications Standards Institute (ETSI) , ISO 27001, and data protection legislation (General Data Protection Regulation (EU) 679/2016 on the protection of natural persons with regard to the processing of personal data and on the free movement of such data and the Organic Law 15/1999 of December 13 on the Protection of Personal Data). Besides an Impact Assessment on data protection has been developed.

Judicial appraisals

ANF AC will set judicial experts in the field at your disposal, whom are capable to prepare expert reports, ratify and provide judicial declaration.

Service Modalities

Employee. According to characteristics:

  • You are willing to use a qualified signature certificate in force.
  • You are willing to use a qualified signature certificate in force.

Organization. According to requirements:

  • Service in Software as a Service (Saas) mode. ANF AC Cloud Online Contract Platform. Available in:
    - Web service.
    - App mobile phones.
  • API You can include the service in your computer system

Evidence in legal proceedings

All the evidence issued by ANF AC through this online contract service has legal value. All of them are authenticated by ANF AC through a qualified electronic signature / stamp, comparable to the handwritten signature. Regarding the signing of the contract by the worker, the following must be taken into account:

  • Worker that holds a qualified electronic certificate

    You can use any current certificate from an Access Control and Security Solutions Provider (PCSC) from EU. ANF AC checks in real time if the worker has used a qualified signature creation device (QSCD) in the signature elaboration in order to make sure that the resulting signature is comparable to the handwritten (Qualified e-signature) or if it is an advanced electronic signature (AdES). The platform will accept or deny the contract according to the organization's legal policy.

  • Worker who does not hold qualified electronic certificate
  • ANF AC follows the procedure of generating session keys and sending them to the devices in the worker's possession (SMS, eMAIL, WhatsApp). By using these keys the worker agrees to the receipt of the contract, accredits its opening, and confirms its acceptance. Furthermore, worker is required to stamp his/her personal rubric using the smartphone board, tablet or by touching any terminal screen, or electronic pen (including mouse). The activation of the Web cam is facilitated to proceed to the process recording.

    All the procedure is registered and authenticated by ANF AC.

In no case are biometric data (behavioral or identified image) collected that concur with the data protection legislation (General Data Protection Regulation (EU) 679/2016 on the protection of natural persons with regard to the processing of personal data and on the free movement of such data and the Organic Law 15/1999 of December 13 on the Protection of Personal Data (LOPD).

ANF AC proceeds to stamp a qualified electronic time stamp, verifies the certificate's validity status by obtaining an OCSP response from the issuer of origin, and generates a qualified validation certificate in any case.

The global cost of the services is 0.75 euros for each contract in any case.

In the case of evidence that is not a qualified electronic signature, that is, that it has been obtained from workers who prepare an advanced electronic signature or that does not hold a certificate, the evidence is indirect and, therefore, subject to interpretation of judge.

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Differences concerning to other market solutions

Functionality Other platforms ANF AC
Implementation Sender - recipient: no installation required
API available for developers.
Interoperability Compatible with all types of token and certificates on signature server
100% compatible with browsers and terminals
Interoperable con Interoperable with 100% of certificate issuers /i>
Electronic signature Qualified long term
Digital handwritten signature - personal rubric - Complying with data protection regulation
Privacy Send password session by SMS
Self-executing encrypted service
Selection of encryption key by sender
Media Email
Evidences Delivery order
Integrity of content, notifications and attachments
Delivery made
Release opening control
Signature Validation Certificate
Time-stamp at each stage of the process
Certificate in ISO 27001
PKI platform certified in compliance with eIDAS
Self-executing encrypted service
Data Protection Impact evaluation on data protection
Complies with GDPR
Complies with LOPD
Judicial Expertise Experts in PKI services

For more information, please fill out the form below or contact our customer service.

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