Sign documents digitally

Digitize your signature workflows with Europe’s most trusted digital signature.

100% legally-binding and 100% GDPR-compliant

sign digitally with sproof sign

Sign documents digitally with sproof sign – easy and cost-efficient

sproof sign makes digtial signing efficient, easy, 100% legally-binding and 100% GDPR-compliant.

Efficient and easy.

We make digitization easy. Start digital signing in minutes with Europe’s most secure digital signature. Start with a Team Plan right away across the enterprise.

100% legally-binding with qualified digital signatures.

sproof sign is eIDAS-compliant and meets the requirements for legally binding digital signatures according to the EU regulation. The qualified digital signature is legally equivalent to the handwritten signature.

100% GDPR-compliant.

sproof hosts all its services within the EU and without the involvement of third countries. This guarantees data protection.

Sign yourself and collect signatures.

Sign all types of documents and forms yourself or collect legally-binding signatures from others.

Working on documents together.

with your team, customers, or partners. Fill out forms together, write comments, and see how others sign in real time.

Automation with API and integrations.

Automate signature processes with our modern and simple API or integrate sproof sign seamlessly into your enterprise applications with Single Sign On.

sproof sign allows you to sign yourself and to collect signatures, to work on documents together and to automate your workflows with an API.
sproof sign is GDPR-compliant
sproof sign is software made in Austria
sproof sign is IÖB awarded and a signature tool suitable for public administration
sproof sign create eIDAS-compliant legally-binding qualified digital signatures

Go PREMIUM – even more possibilities for your organization

Individual design

Show your organization’s identity with customized signatures and personalize invitation emails that carry your name and logo.

One plan – everything in your hand

Start digitization in your company with a Team Plan. Equip your employees with legally valid signatures immediately and within minutes.

Part of your workflow

Enable easy and secure access for all employees. sproof sign integrates seamlessly into your workflow with Single Sign On and API.

Unlimited legally-binding signatures

Create an unlimited number of qualified digital signatures. They provide the highest level of trust. You cal also batch sign multiple documents at once.

Collect external signatures

Collect legally-binding signatures from outside your organization fast and easy. Use existing providers or equip customers and partners with qualified digital signature.

Use of own certificates

Use your own certificate to represent your organization. Apply company seals and signature with your individual identity.

Find the right plan for your organization

sproof sign is ideal for organizations and teams that want to digitize their signature workflows. Get to know sproof sign and start using our business plans online right away to guarantee legally valid digital signatures or contact our sales team.



for personal use free forever.
No credit card required.

  • Sign documents yourself
  • Collect signatures
  • Multiple signature profiles
  • Chat

Business Advanced


per month with annual plans

  • 1 person
  • all Personal features
  • Invite unlimited contacts
  • Store documents unlimited
  • Custom branding
  • Manage documents

Business Qualified


per month with annual plans

  • 1 person
  • all Business Advanced features
  • Own identification for qualified signatures
  • Unlimited qualified signatures
  • Batch signing


contact us

Your premium plan for the entire company

  • Entire team
  • all Business Qualified features management
  • API access
  • Single Sign On
  • Integration support

All the features of our plans here at a glance, so you can choose the best possible for your business

Favorite choice
with qualified signature


Business Advanced

Business Qualified


Collecting qualified signatures from Business Qualified customersfreefreefreefree
Collecting advanced signatures from anyonefreefreefreefree
Type of planSingleSingleTeam
Edit documents / fill out forms
Multiple signature profiles
Advanced signaturesunlimitedunlimitedunlimitedunlimited
Maximum number of contacts per invitation5unlimitedunlimitedunlimited
Maximum number of documents in dashboard5unlimitedunlimitedunlimited
Storage of documents30 daysunlimitedunlimitedunlimited
Manage frequently invited contacts
Custom branding
Search and manage documents in dashboard
Qualified signatures per month unlimited unlimited
Batch signing
Team plan management
Use of own certificates
API access
Single Sign On
Flexible billing
Integration support
Documents per year (fair use**)100150unlimited
Equip external signers with Business Qualified19,00 €19,00 €19,00 €
External qualified signature (non sproof Business Qualified)2,50 €2,50 €2,50 €
Sign now Activate now Activate now Talk to sales

Alle prices exclude VAT. *) For personal use only. Please upgrade to a Business Plan for professional use or contact our sales team. **) When exceeding these limits please contact our sales team.

Our customers have taken the step into the digital future

Ingrid Putzhammer – Sony DADC

With sproof, we have now succeeded in making HR processes and workflows many times faster and more efficient. Another very important aspect for us is …

Daniel Horal – Conda

Great founding team with ingenious product. Low implementation effort and already successfully used in several customer projects.


If you need any help, have any questions or want to give feedback about our company and products, please do not hesitate to contact us. You can also take a look at our FAQs.

    Contact sales for questions and inquiries about sproof sign.

    Data protection
    We, the sproof GmbH (Registered business address: Austria), would like to process personal information with external services. This is not necessary for the use of the website, but allows us to interact even more closely with them. If desired, please make a choice:
    Data protection
    We, the sproof GmbH (Registered business address: Austria), would like to process personal information with external services. This is not necessary for the use of the website, but allows us to interact even more closely with them. If desired, please make a choice: