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Sign documents legally online with SimplySign
With sproof sign and an existing SimplySign identification, you can use qualified digital signatures for legally valid digital signatures on contracts and other important documents.
Portrait
SimplySign is a modern virtual tool for signing and validating any electronic documents. It is the first of its kind on the Polish market and guarantees 100% mobility - it works without a physical card and reader.
The SimplySign signature is just as binding as a handwritten signature and, above all, legally binding throughout the European Union. This is confirmed by the international eIDAS regulation. The tool guarantees the integrity of the entire content of the signed document. You can be sure that nobody can manipulate the document and that the signature has not been forged.
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.
