eIDAS, Act on Trust Services
NCCert
PLN
Yes, electronic signatures are fully legally valid in Poland under eIDAS, Act on Trust Services. canusign meets all legal requirements for simple and advanced electronic signatures.
In Poland, you can digitally sign most contracts, including: Commercial contracts. Exceptions are: Notarial deeds.
The responsible authority in Poland is NCCert. They oversee compliance with legal requirements for electronic signatures.