Sign PDF documents with SimplySign
Electronic signature - eID Hub
- You and your business partners in Poland can sign contracts and important PDF documents - directly in sproof via an existing identification with SimplySign - 100% legally secure through the Qualified Electronic Signature (QES).
The full power of a signature platform combined with the common national eIDs
Top companies rely on sproof sign's all-in-one signature workflow combined with available eIDs of internal employees as well as external parties who are invited to the legally valid qualified electronic signature throughout Europe.
Digital signing throughout Europe with SimplySign
14-day free trial
1) Upload document
Upload a document for free using your PC or smartphone. Your documents will be automatically converted to PDF format and the sproof sign editor will open.
2) Filter eID hub by country
and select SimplySign
Click on "Self-sign" and find your eID provider with whom you are already registered.
3) Place signature and sign legally qualified with SimplySign
Place your digital signature in the desired position, click on "Sign now" and identify yourself with the access data of your eID provider. You have signed your document in a legally valid manner.
4) Comprehensive features for enterprise-wide e-signature workflows
Increase efficiency and legal certainty with sproof sign. Define complex signature workflows, invite partners to sign and accelerate your business processes – simply, securely and in compliance with the law.
Interoperable Qualified
Signing & Identifying in Europe
eID interface for Europe
Obtaining legally valid signatures or verifying identities digitally, across countries can be time-consuming and lead to compatibility issues.
A new identification is not necessary, as existing identifications are used directly and without media discontinuity.
Maximum ease of IT integration
Our signature solution is integrated into any IT infrastructure at lightning speed. Thanks to the simplest interface, there is no need for any training for your team, external parties or customers.
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Maximum legal certainty
With sproof sign you sign 100% legally compliant according to international signature laws - including eIDAS and FDA. Our solution supports all common signature standards such as EES, FES or QES.Learn moreMaximum data protection
All services are hosted within the EU and without the involvement of third countries. There is no connection to the USA. The handling of sensitive personal data complies with the highest European data protection standards.
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The introduction of digital
Signature in European companies
Information folder sproof sign - 2025
European companies rely on sproof sign for data protection-compliant and legally compliant electronic signatures and identification processes
"In the past, there was a folder that had to wander through the house and be signed in various places. Now there is a digital folder that makes our signing process much easier."
"There is no discussion about where the data is stored. For us, only a European solution is now an option."
"What we like about sproof sign is not only the user-friendly interface, but also the error case support and the customer-friendliness for general inquiries. The team around sproof is very committed and fully motivated to drive your product forward with innovations."
"Our policy places a clear focus on European providers in order to meet the requirements of the GDPR and minimize data protection risks."
"After 12 weeks, the digital signature paid off for us."
"Our standards are high, as in all comparable institutions. We are subject to the eIDAS regulation and must sign in accordance with the law. That's why it's immensely important and advantageous for us that we have the speed and opportunity to be able to map this in a coherent process."
"As a professional service provider for information digitization, the topic of digital signatures is becoming increasingly important for us and our customers. The partnership with sproof gives Kyocera the security of being able to cover all current and future signature requirements."
"We must be able to prove at all times that our processes function legally flawlessly and comply with the current requirements. Digital, traceable and auditable processes are therefore essential, especially in contracting. A solution like sproof sign helps us to meet these high standards."
