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Electronic signature

Certum Qualified electronic signature is used for digital document signing. It has the same legal force as a traditional signature. It is available in two variants: stored in a cloud or saved on a smart card placed in a reader. Both options are accepted by all key systems of public administration in Poland. We will help you choose the option that works best for you.

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Convenient document signing

By using an electronic signature, you will save time and increase security in terms of signature forgery. A handwritten signature does not give you such a guarantee, and sending documents in the traditional way is less convenient. This solution will work in business, company and private matters.



Use a convenient mobile app to sign your documents. Your signature is confirmed by a two-factor authentication. This solution will help you complete formalities anywhere and anytime.

  • The app is sufficient to sign documents

  • Two-factor authentication gives you extra safety

  • You can sign up to 15 documents per second

  • You can easily integrate SimplySign with your system with the use of API

  • The application works on smartphones, tablets, and computers with Windows, macOS, AndroidOS, iOS operating systems

Use the SimplySign application if you need a solution that will give you the convenience of signing business and private documents anywhere and anytime.


Use a card and a reader to sign documents electronically. Just plug the reader into your computer, insert the smart card, and then confirm the signature in an intuitive desktop application.

  • You need a computer, a reader, and a card to sign documents

  • You can sign one document per second

  • You can choose the Mini or Standard card reader

  • The solution works on Windows and macOS operating systems

Choose the option with a card and a reader if you want to sign documents from your office.

Smart card and a reader
SimplySign mobile app

Effective company in the digital era

Certum electronic signature is a significant solution for our international clients operating in Poland. This solution will improve your communication with Polish public administration, suppliers, and clients. Certum electronic signature is a comfortable, reliable and fully safe solution which saves your company’s time and money.

✔ ZUS

✔ Tax office

✔ General Inspector of Financial Information (GIFI)

✔ National Court Registry (KRS)

✔ Public procurement

✔ Central Register and Information on Economic

    Activity (CEIDG)

✔ Electronic agreements and sales proposals

✔ All administration offices

Certum Qualified e-signature Features

3-year validity period

Certum e-signature is the only signature available on the market that has a validity period up to 3 years.

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Let us help you choose

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+48 504 832 032

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