To start using eSignature with the SimplySign service, download and install the following applications:

Mobile version

Logo simplysign

SimplySign is a mobile application that lets you sign any electronic document.

The application also includes a token code generator, necessary for user identification during the login process

Desktop version

Logo simplysign

Download SimplySign on your mobile device to use the token code generator that identifies the user signing an electronic document on a desktop or laptop: PC / Mac OS.

The application also involves a module allowing you to sign documents on a mobile device.

If you’ve already installed SimplySign on your mobile device, you don’t need to do it again.

Logo simplysign desktop

Download SimplySign Desktop to be able to use the key services available on the market, such as: Płatnik, eDeklaracje, ePUE, etc.

The SimplySign Desktop application emulates the connection of a physical crypto card and a card reader on your computer.

This solution allows you to use SimplySign in applications that require the use of a physical card.

The application also involves the proCertum SmartSign module allowing you to sign documents on a a desktop or laptop: PC / Mac OS.

Dear User

Pursuant to Article 13(1)(2) of the General Data Protection Regulation of 27 April 2016 (hereinafter referred to as the “Regulation”), please be informed that:

  • The administrator of your personal data is Asseco Data Systems S.A. with registered office in Gdynia, ul. Podolska 21, 81-321 Gdynia;
  • The Data Protection Officer at Asseco Data Systems S.A. can be contacted at e-mail address:, tel. +48 42 675 63 60.
  • Your personal data will be processed for the purpose of:
    1. preparing a response to your enquiry, pursuant to Art. 6(1)(b) of the Regulation
    2. sending marketing information by means of electronic communication and automation software on the basis of the Act on the provision of services by electronic means of 18 July 2002 and in connection with Article 172(1) of the Act “Telecommunications Law” of 16 July 2004 (alternative consent), pursuant to Article 6(1)(a) of the Regulation.
  • Your personal data will be stored for the time necessary to prepare a response to your enquiry and to respond it until you withdraw your consent for receipt of marketing information.
  • You have the right to access the contents of your data and the right to correct it, to have it removed/forgotten, to restrict its processing, to transfer it, to make an objection, to withdraw consent at any time without affecting the lawfulness of processing carried out on the basis of your consent prior to its withdrawal. All the above rights may be exercised through an application submitted at
  • You have the right to lodge a complaint with the Regulator if you consider that the processing of your personal data is in breach of provisions of the Regulation.
  • Provision of personal data by you is necessary for the execution of your enquiry. You must provide it, and the consequence of not providing personal data will be that you will not be able to receive a response to your enquiry.
  • Your data will be processed automatically, also in the form of profiling. Automated decision making will be based on the principles of processing personal data supplied at the time of creating an Account and any supplemented data stored in it as well as data concerning activity on the Websites (in accordance with the Privacy Policy of Asseco Data Systems S.A. website Privacy Policy) and activity related to our communication with you through e-mail, and such processing will result in adjustment of marketing information concerning our products and services that may be of interest to you.

I am 13 years of age or older and have the right to express consent on my own.

Privacy Policy