Your platform for electronic signature
Upload a document, sign it with a qualified signature and save it – all in a web environment, with no paper and no running around government offices. Verification, mailbox, archive and history all in one place.
TRUSTED BY LEADERS
Designed for
For everyone who
signs digitally
01
Legal entities
A comprehensive tool that simplifies digitalization and speeds up B2B communication as well as communication with public administration.
TYPICALLY SIGNS:
- B2B contracts and orders
- Invoices and delivery notes
- Communication with the state
02
Public institutions
Gives mayors, school principals and other statutory representatives a simple and certified way to meet legislative requirements.
TYPICALLY SIGNS:
- Official decisions
- Contracts and orders
- Internal agenda
03
Individuals
A simple and secure way to make legal actions and communication with public administration and companies easier for individuals.
TYPICALLY SIGNS:
- Fillings and submissions to authorities
- Contracts and powers of attorney
- Tax returns
Why choose 4SIGNER
Three steps
and it's signed
No scanning, no mail, no waiting on the other party. The whole process takes place in the browser.
Upload the document
Add a PDF or other document directly in the web portal – nothing to install.
Choose a signature and sign
Select the signature level and sign with a single click. Even multiple documents at once.
Download and save
Download the finished document, send it via the mailbox, or save it to the archive.
Platform features
Everything for signing, sending and storing documents in one place
01
Signing
Access to every level of electronic signature under eIDAS, including qualified electronic signature (QES).
Learn more
02
Validation
Quickly and free of charge validate whether a received document was really signed by the relevant person or company.
Learn more
03
Electronic mailbox
Send messages, invoices and contracts directly through the platform, with the option to sign them instantly in one place.
Learn more
04
History
Look back and find everything you’ve signed over the past years — find any document or contract in seconds.
Learn more
05
Archive
The validity of your signatures is preserved for the long term. Documents are automatically re-signed every year.
Learn more
06
Graphic signature
Add your personal signature mark to every document. It looks professional and remains legally valid.
Learn more
Sign on slovensko.sk too -
without a card reader or card
Thanks to Virtual Smart Card, your certificates are securely stored on our server. You sign at every signature level directly from your computer – via the desktop toolkit and also for qualified communication with the state on slovensko.sk. No ID card, no QSCD card, no USB token required.
Qualified communication with the state directly from the desktop
No physical card reader, card or hardware token needed
Certificates stored and protected on the server
Every signature protected by a
second factor
Before every signature, the system verifies you with a second factor – an external device connected to your account or via a mobile app. This means no one else can sign with your signature.
Hardware token
A standalone device that generates a one-time code and is protected by a PIN. You can use it to sign at any signature level, including qualified (QES).
NFQES Authenticator
A mobile app for verification with simple and advanced signatures. Works on any Android or iOS phone – no security chip required.
NFQES Qualified Authenticator
A mobile app with support for a security chip (StrongBox / Knox) – also verifies a qualified electronic signature directly from your phone.
In compliance with the European eIDAS regulation
We are a trust service provider listed in the European Trusted List – our solutions are therefore fully compliant with EU Regulation No. 910/2014 on eIDAS. Certificates issued by our company meet strict requirements for data protection and identity verification, are legally recognized, and can be used as evidence in court throughout the European Union.
REGISTER
European Trusted List
REGULATION
eIDAS - 910/2014
VALIDITY
European Union
Less waiting.
More signed documents.
Signing, verification, an electronic mailbox and archiving — all functions in one place, at every eIDAS level. Up and running in just a few minutes.