Sign documents securely and instantly,
on any device!

The only multimedia autograph signature that
has 100% legal compliance

FAD® is a handwritten signature on electronic media, functional equivalent to a handwritten signature on paper. It includes technological components of prevention and security, such as:

The person is video recorded while signing
Signature registration
Video of the signer accepting the commitment
Authenticity and verification codes
Conservation of constancy
Authenticity and verification codes
Conservation of constancy

…which together make up a certified, unique and unrepeatable document

…which together make up a certified, unique and unrepeatable document

With FAD® get documents signed remotely

Prevent identity theft, FAD® complies with the laws of the latin countries in Europe and America

We have

Biometric facial recognition
Fingerprint verification
Identity card validation online

Legal compliance

Based on the Commercial Code, Federal Civil Code and other legal systems, FAD® complies with the principles of Reliability, which are:

Integrity: reliability of the method to ensure that the information was not altered (NOM-151-SCFI-2016)

Attribution: the guarantee that the signers are who they say they are and accept the agreement

Accessibility: ensure that content is available to all signers

Learn more about all the legal framework


FAD® guarantees the privacy of information, reduces the risk of fraud, fights identity theft and much more …

Thanks to its unique technological elements, such as the traceability of the graph, secure communications, an algorithm to validate the authenticity and inalterability of information, among others.

Discover the security elements

Audit footprint

Increase the quality of the service and provide total legal certainty to your customers.

13 elements composed the audit footprint and makes the commitment between signers irrefutable, as it stores detailed information about the signature process.

Know all the 13 elements

Contact us

Copyright and Intellectual property

FAD® FAD® Digital Signature Autograph®, is a computer program protected by international copyright laws, with an international patent in process. Reproduction, disclosure, distribution, reverse engineering and any act that attempts against the

FAD® is a product of NA-AT Technologies

NA-AT is a company founded in 2005, with the dream of developing advanced technology from Mexico to the world. With more than 10 years in the financial sector, more than 150 mobile apps developed, more than 50 transactional portals and


Portal FAD®

Visor FAD®

Google-play AppStore

Copyright © 2020