
QES and AES (Electronic Signature) 2026: a guide on how to obtain, sign, and verify a document
In 2026, QES (Qualified Electronic Signature) has become a mandatory tool for every sole proprietor and business. Without it, it is impossible to submit reports, sign contracts online, work with government authorities, or participate in Prozorro tenders. In this guide, we will explain: what QES and AES mean in simple terms, the difference between them, […]










