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Legally sign documents online with Uanataca
With sproof sign and an existing Uanataca identification, you can use qualified digital signatures for legally valid digital signatures on contracts and other important documents.
Portrait
Uanataca is an international trust service provider created to provide trust in electronic transactions through the creation and use of digital certificates in a very simple way.
Uanataca has the Conformity Assessment Report (CAR) under the provisions of EU Regulation 910/2014 eIDAS and the authorization of the Spanish regulator, which allows the consideration and category at European level as Qualified Trust Service Provider, QTSP.
Frequently asked questions
Use your existing qualified signature directly in sproof sign.
We have integrated the most important signature providers
We are constantly updating the eID Hub with new providers and authentication methods so that you can obtain legally valid digital signatures as easily as possible - at no extra cost.
