QSeal for The National
System of e-Invoices
(KSeF)

Why Choose Our Sevices?

Global

Works worldwide regardless of location

Mobile

Mobile e-Seal in the cloud

Secure

Trusted QSeal in the cloud

eIDAS

Fully compliant with EU eIDAS regulations

Legal

Full evidentiary value and legal effectiveness

Electronic Signature Certum

QSeal – SimplySign – Basic Plan with a limit for KSeF

Electronic QSeal that works without a physical card or reader, with a usage limit of 600 electronically sealed documents per year.

Electronic Signature Certum

QSeal – Mini USB reader – Standard Plan

Electronic QSeal that works with a physical card on a USB reader device: 5,000 secure trust-stamp signing operations, renewed monthly, no limit signing without time stamp.

Electronic Signature Certum

QSeal – SimplySign – Standard Plan

Electronic QSeal that works without a physical card or reader: 5,000 secure trust-stamp signing operations, renewed monthly, no limit signing without time stamp.

Support at every stage of the process

QSeal - Qualified Electronic Seal made easy

Certum’s Qualified Electronic Seal (QSeal) solution makes creating qualified seals simple, secure, and cost-effective – ensuring your business full legal recognition across the EU, including compliance with the KSeF e-Invoicing System and the EPREL Energy Labelling Registry. As a Qualified Trust Service Provider (QTSP) under the eIDAS Regulation, Certum guarantees legal effectiveness, customer trust, and compliance with the highest European standards. 

Electronic Signature Certum

IDnow online-ident video verification

Even if you are a foreign citizen, you can smoothly complete the verification process with us – we accept identity documents from over 190 countries worldwide. With IDnow Online-Ident, you can quickly confirm your identity digitally and sign contracts online. All you need is a mobile device, a stable internet connection, and a valid passport. No more queues at the airport or travelling to Poland just to present your passport in person. With our experience and specialization in verifying foreign citizens under current eIDAS regulations, we provide a fast process and immediate online activation of your product.

Meet with us!

Specialist in administration with strong organizational skills, responsible for managing office processes and supporting daily business operations. She ensures efficiency in communication between departments and provides comprehensive administrative support.

Cropped portrait of an attractive young businesswoman sitting at her desk in the office

Ania Woźniakowska

Poland

Specialist in security and trust services with extensive experience in video verification of foreign citizens. She supports companies in meeting eIDAS requirements, ensuring a fast, legally compliant, and secure process for issuing qualified trust services.

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Kasia Iwanowska

Poland

Specialist in security and trust services with expertise in implementing e-Delivery solutions and QSeals in M2M processes. Supports organizations in adopting secure digital tools, ensuring compliance with Europe eIDAS regulations and business systems.

Piotr-photo

Piotr Wysocki

Poland

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Electronic Signature Certum

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