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Very, very secure.
Very, very simple.

Save your company measurable time, money and paper. With the most innovative signature solution in Europe. Embrace the digital revolution and simplify your signature process today!

Maximum simple

Collect important signatures within minutes thanks to the intuitive interface - so you can sign without any training or IT project.

100% legally valid

Sign legally binding EU-wide in accordance with the eIDAS regulation. The qualified electronic signature is legally equivalent to a handwritten signature.

Guaranteed data protection

Our platform is hosted exclusively within the EU. Data protection is uncompromisingly guaranteed.

The best signature platform for business

100% legally valid & GDPR-compliant

All servers hosted in the EU. Guaranteed without third country reference

eIDAS and FDA certified

Download your own test report for each document

e-signature platform for all purposes

eSignatures (AES & QES) throughout Europe online.

All important contracts secured & managed in one place

Own company stamp & certificate.

"After 12 weeks, digital signatures have paid off for us."

Ingrid Putzhammer, Vice President Global HR, Sony DADC

Only the qualified digital signature is 100% equivalent to the handwritten signature. Activating your own qualified signature takes a one-time 10 minutes and is guided. Even more intelligent features further simplify your signature workflow.

Digital Signing. Adapted to your processes.


Get started with your first digital signature for freeFreeIn the first step you can test our platform for free and sign advanced. "Advanced" means that your identity is confirmed via the mail address.


Upgrade and obtain first signatures yourselfUser | BusinessYou would like to use our platform for business. With the first business account, you can obtain initial signatures and keep track of your signature processes and documents.


Activate the qualified signature and set to full complianceUser + | BusinessOnly the qualified digital signature is 100% equivalent to the handwritten signature. Activating your own qualified signature takes a one-time 10 minutes and is guided. Even more intelligent features further simplify your signature workflow.


Get off to a future-oriented start with the all-in-one solutionEnterpriseOur platform is integrated into your IT landscape in a maximum of 2 hours and saves you measurable time, costs and paper from this point on. Full compliance and legal validity are the basis with us. The smartest workflow, the simplest process and the strongest features our unique selling proposition.
You can start immediately for free.
Ready to go right out of the box. No installation required.

sproof sign is a 100% DSGVO web application. Thereby the cloud is integrated in your IT landscape in no time. We are known for our high flexibility and the best support.

Start now
Simple API interface & user management.

Control and schedule your signature processes while managing your team independently. The simple API enables a smooth integration into the existing IT infrastructure.

API documentation
Sign in a familiar environment thanks to integrations.

sproof sign is integrated with the most important tools to enable lean signature workflows and approval processes.

Learn more
See for yourself. Free of charge. Immediately.

Start now for free and increase efficiency in your team. Thanks to Europe's most innovative all-in-one solution for digital signatures.

Do you want to learn more about the topic of "Digital Signature"? Are you looking for up-to-date state-of-the-art knowledge compiled by a team of experts?


You know what you are looking for but you are missing the answer to a specific question. Here you will find it!


You are an IT manager and looking for the "hard facts". Our API is the simplest and best documented.

API documentation

Ask your question

If you need help, have any questions or would like to give feedback on our company and our products, please do not hesitate to contact us. You can also take a look at our FAQs.FAQs
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Why sproof sign?Highest security and compliance paired with an "all-in-one" functionality make sproof sign the top European alternative on the e-signature platform market. 100% developed and hosted in Europe.
sproof sign is the highest-rated provider in the e-signature category on the independent evaluation platform OMR Reviews for Q3 and Q4 2023, as well as Q1 2024.