Electronic signature
A Certum qualified signature for contracts, invoices, filings and official documents. Legally equivalent to a handwritten signature across the EU.
Order a QES signatureA Certum qualified electronic signature (QES) and seal (QSeal) under eIDAS — legally equivalent to a handwritten signature in every EU member state.
A complete set of Certum qualified services in one place — for businesses and individuals.
A Certum qualified signature for contracts, invoices, filings and official documents. Legally equivalent to a handwritten signature across the EU.
Order a QES signatureA Certum qualified seal for legal entities — guarantees the authenticity and integrity of documents issued in bulk, including KSeF invoices.
Order a QSealRemote video verification or an in-person visit — we can also come to you. Available to everyone, including foreigners and those without a Polish trusted profile.
See verification methodsChoose the convenience of a remote video call or the certainty of an in-person visit. Both meet eIDAS requirements.
A short video call with a consultant and an ID document — without leaving home. Ideal for people outside Poland.
Book a visit or have our consultant come to you. We verify your identity in person and help with activation.
Most points in Poland require Polish citizenship and a trusted profile. We don't. We issue a Certum qualified signature and seal to individuals and companies from outside Poland — remotely by video or on site.
You don't need to be a Polish citizen to get an EU-recognized qualified signature. We verify your identity by secure video call or in person, then issue a Certum qualified certificate valid across the EU under eIDAS.
A transparent process without needless paperwork. Most clients finish the same day.
QES signature, QSeal seal or both. Leave your details and pick a verification method.
A video call with a consultant or a visit/call-out. An ID document is all you need.
We issue the Certum qualified certificate and activate it on a card, token or in the cloud (SimplySign).
Apply legally binding signatures across the EU — from your computer or phone, anytime.
Start online in minutes or talk to our team. We support clients in Polish and English.