sproof GmbH -
Press releases
and news
Die sproof GmbH, ein österreichisches SaaS Unternehmen entwickelt und vertreibt
Softwarelösungen für digitale Unterschriftenprozesse und Identprozesse.
Maßgeschneidert für europäische Unternehmen mit kritischer Infrastruktur.
Are you interested in an editorial article? We look forward to your inquiry:
Agnieszka Grzybek
+43 (0) 50 42 345
presse@sproof.com
General information
🗣️ "sproof" or "sproof GmbH" (company) are written in lower case.
🗣️ Please embed the link to the website with every publication: https://sproof.com/
Unternehmen: sproof GmbH
Products: sproof Sign, sproof Ident, sproof Widget, sproof Fastlane, sproof Validate, sproof eID Hub
Product: Web-based cloud solution for digital signature processes and identity verification
Business model: Software as a Service (SaaS)
Founders: Dr. Clemens Brunner (CEO & Co-Founder), Dr. Fabian Knirsch (CEO & Co-Founder), Erich Höpoldseder (Co-Founder)
Foundation: Autumn 2019
Locations: Salzburg & Vienna – Austria
The latest news about sproof straight to your inbox
sproof in the press
IT Finanzmagazin 13.10.2025:
"sproof Ident": White-lable identity platform for banks in EuropeRegTech company sproof offers sproof Ident, a white-label platform designed to simplify identity verification for banks...
read more
Ad Hoc News: 10.10.2025: sproof launches "sproof Ident", an EUDI wallet-ready platform for digital identity verification
The expert for digital approval and signature processes in Europe, sproof, is expanding its platform with a powerful white label module...
read more
Trending Topics 10.10.2025: sproof launches EUDIW-compatible identity verification platform on the market
The European RegTech startup sproof is expanding its offering with a new solution for digital identity verification. The "sproof Ident" platform integrates...
read more
Ad Hoc News: 23.09.2025: Data protection experts
warn of blind spots in Europe's digital strategyThose who see data protection only as a duty will be at a disadvantage in the future. Dr. Fabian Knirsch, data protection expert and co-founder of sproof GmbH, talks to Katharina Raabe-Stuppnig about this.
read more
Raiffeisen Zeitung 14.05.2025: sproof: Successful establishment on the market
sproof has been successfully established since 2019 and, with the support of Raiffeisenbank Salzburg, is growing to become the leading provider of digital signatures in Europe.
read more
FACTORY 07.05.2025: Salzburg startup sproof digitizes signature processes
Since 2019, sproof has enabled companies across Europe to create contracts, maintenance reports, inspection reports and compliance documents with legally valid...
read more
brutkasten 06.05.2025: Salzburg startup Sproof secures development loan
Sproof digitizes signatures in compliance with the GDPR. Now the startup is receiving fresh capital through a development loan from aws.
read more
Raiffeisen Salzburg 05.05.2025: sproof on the way to becoming an international company
sproof conquers the domestic and international market Raiffeisen Salzburg supports by processing development loans.
read more
LEADERSHIP 05.11.2024: Success – a good mix of team, focus and trust
A guest article with Andreas Steiner, CSO at sproof.
read more
brutkasten 24.10.2024: sproof wins the municipality of Mannersdorf as a customer
sproof has won the municipality of Mannersdorf as a customer. From now on, citizens of the town can sign forms and documents digitally.
read more
Seebrunner 09.07.2024: Strong solution from Salzburg for Europe
Supported by the Salzburg University of Applied Sciences and with well-known customers such as Sony and Bank Gutmann, Sproof is growing significantly faster than the market for digital signatures.
read more
Profit 11.06.2024Andreas Steiner becomes CSOsproof expands its management team with Andreas Steiner. He will be the new Chief Sales Officer (CSO).
read more
- Incubator 07.06.2024: sproof: Salzburg-based LegalTech startup brings in new CSO and opens location in Vienna
As sproof's new Chief Sales Officer (CSO), Andreas Steiner will be able to draw on his experience, including as former Head of Sales at kompany. The new location in Vienna is intended to strengthen the company's presence in the DACH region.
read more 
Wirtschaftszeit 07.06.2024: Andreas Steiner new CSO at sproof
sproof, the European expert for electronic signature solutions, is entering an exciting phase of growth with new developments. In addition to the opening of a second location in Vienna, Andreas Steiner is brought on board as Chief Sales Officer.
read more- Incubator 24.05.2024: sproof: Salzburg-based LegalTech launches new feature for digital signatures
Following a million-euro capital injection last fall, Salzburg-based LegalTech sproof is now going into medias res: it is launching a new feature - and serving an international clientele.
read more
ITWelt 23.05.2024: "Our grandparents are the benchmark"Fast Lane from the Salzburg-based company sproof GmbH is designed to enable barrier-free contract processes between large companies and their end customers.
read moreITWelt 12.04.2024: Energie AG Oberösterreich relies on e-signature solution from sproof
With the implementation of the e-signature solution from the Salzburg-based company sproof, Energie AG Oberösterreich was able to achieve a significant
read more
European Super Angels Club 11.01.2024: sproof cooperates with W&H Dentalwerk and Paracelsus Medical UniversityW&H Dentalwerk and PMU opt for sproof's signature solution, which represents a leap in efficiency and innovation. W&H Dentalwerk and the unique PMU are known for state-of-the-art medical technology and combine innovation with modern technologies.
read more
- Incubator 21.12.2023: Sproof: Salzburg-based LegalTech wins W&H Dentalwerk and PMU as customers
The Salzburg-based companies W&H Dentalwerk and Paracelsus Medical University (PMU) have chosen sproof sign to digitize company-wide signature processes.
read more 
Business Times 20.11.2023: Founding members of sproof GmbH appointed to the Austrian Senate of Economy
As senators, Dr. Clemens Brunner, Dr. Fabian Knirsch and Erich Höpoldseder will represent the company in the Senate of the Economy...
read more- Trending Topics 15.11.2023: Senate of Economy: Founder of PlanRadar and sproof new senators
The Senate of Economy Austria has gained four new members who are well known in the Austrian startup scene...
read more
Leadersnet Austria 15.11.2023: Senate of Economy gets several new senatorsDomagoj Dolinsek, Martin Schiefer, Edwin de Jong and the founders of sproof GmbH were appointed to the non-partisan business organization.
read moreIncubator 15.11.2023: Senate of Economy poaches start-ups - new members introduced
The Senate of Economy has welcomed new members to its ranks, drawing on startup founders...
read more
Salzburg Chamber of Commerce 14.11.2023: sproof wants to conquer EuropeThe young Salzburg start-up sproof has set itself an ambitious goal: in the medium to long term, the specialist for digital signatures wants to become the market leader in Europe.
read more
- Business Times 12.09.2023: Million-euro investment for legal tech start-up sproof: The e-signature on European expansion
Salzburg-based legal tech company sproof has raised more than €3 million from international investors and funding in its first equity round. The Salzburg-based expert for e-signatures is thus expanding further in Europe.
read more Incubator 15.11.2023: Senate of Economy poaches start-ups - new members introduced
Digitally valid signatures: This is what the Salzburg start-up sproof specializes in. It has now received a total of over 3 million euros - partly as an investment and partly through funding.
read more
Courier 26.08.2023: A signature with a vision for the futureThis Salzburg start-up makes digital signatures more secure than ever. A Salzburg start-up has developed a digital signature that is so secure that it is trusted by law firms, banks and government authorities.
read more
The Standard 27.06.2023: Start-up wants to simplify digital signing for companiesEurope's system of digital signatures resembles a patchwork quilt. A start-up from Austria wants to counteract this with a web application
read more
gast.at 20.06.2023: Goodbye, ink: sproof sign digitizes contracts
Digitally valid signatures: This is what the Salzburg start-up sproof specializes in. It has now received a total of over 3 million euros - partly as an investment and partly through funding.
read more- Courier 26.08.2023: A signature with a vision for the future
This Salzburg start-up makes digital signatures more secure than ever. A Salzburg start-up has developed a digital signature that is so secure that it is trusted by law firms, banks and government authorities.
read more
Wirtschaftszeit 17.05.2023: sproof celebrates multiple awards and nominationsEurope's system of digital signatures resembles a patchwork quilt. A start-up from Austria wants to counteract this with a web application
read more
Business Partner PBS 02/27/2023: Digital signature: Kyocera cooperates with startup sproof
Digitally valid signatures: This is what the Salzburg start-up sproof specializes in. It has now received a total of over 3 million euros - partly as an investment and partly through funding.
read more
Courier 26.08.2023: A signature with a vision for the futureThis Salzburg start-up makes digital signatures more secure than ever. A Salzburg start-up has developed a digital signature that is so secure that it is trusted by law firms, banks and government authorities.
read more
- Wirtschaftszeit 17.05.2023: sproof celebrates multiple awards and nominations
Europe's system of digital signatures resembles a patchwork quilt. A start-up from Austria wants to counteract this with a web application
read more 
22.02.2023: "Kyocera cooperates with startup on digital signature"
Digitally valid signatures: This is what the Salzburg start-up sproof specializes in. It has now received a total of over 3 million euros - partly as an investment and partly through funding.
read more
Courier 26.08.2023: A signature with a vision for the futureThis Salzburg start-up makes digital signatures more secure than ever. A Salzburg start-up has developed a digital signature that is so secure that it is trusted by law firms, banks and government authorities.
read more
Wirtschaftszeit 17.05.2023: sproof celebrates multiple awards and nominationsEurope's system of digital signatures resembles a patchwork quilt. A start-up from Austria wants to counteract this with a web application
read more
The makers 30.11.2022: "I looked in the mirror and decided: now or never!"
Digitally valid signatures: This is what the Salzburg start-up sproof specializes in. It has now received a total of over 3 million euros - partly as an investment and partly through funding.
read more
Courier 26.08.2023: A signature with a vision for the futureThis Salzburg start-up makes digital signatures more secure than ever. A Salzburg start-up has developed a digital signature that is so secure that it is trusted by law firms, banks and government authorities.
read more
Incubator 07.11.2022: "Sproof goes Europe: Startup enables international digital signature"Europe's system of digital signatures resembles a patchwork quilt. A start-up from Austria wants to counteract this with a web application
read more
Wirtschaftszeit 04.11.2022: "sproof enables digital signatures throughout Europe"
sproof, the Salzburg expert in the field of digital signatures, enables legally valid signatures to be obtained throughout Europe for the first time with the introduction of the interoperability of eIdentity providers.
read more
OÖNachrichten 28.10.2022: "How a Wels native is making his mark on the economy with digital signatures"Start-up Sproof helps companies sign important documents online.
read more
- Incubator 07.11.2022: "Sproof goes Europe: Startup enables international digital signature"
sproof, the Salzburg expert in the field of digital signatures, enables legally valid signatures to be obtained throughout Europe for the first time with the introduction of eIdentity interoperability
read more 
IT WELT 21.07.2022: "Kyocera relies on Salzburg startup sproof for digital signatures"
The solution from the Austrian expert in the field of digital signatures is now available as an extension of the Kyocera Workflow Manager.
read more
Incubator 23.06.2022: "sproof: Linde Verlag invests in Salzburg startup"Start-up Sproof helps companies sign important documents online.
read more
Ed Tech Austria 17.12.2021: "One signature, please! Secure and digital signing with sproof"Whether contracts, certificates or delivery bills - countless documents are waiting to be verified, notarized or signed every day. The Salzburg-based startup sproof was founded in 2019 not only to save paper, but also to make these important processes faster and, above all, more secure.
read moreIT WELT 21.07.2022: "Kyocera relies on Salzburg startup sproof for digital signatures"
The Salzburg start-up sproof.io has big plans.
read more- Der Standard 21.11.2021: "Six-figure investment for Salzburg start-up Sproof.io"
Start-up Sproof helps companies sign important documents online.
read more
Die Presse 18.11.2021: "Salzburg start-up sproof wants to replace DocuSign in Europe"The Salzburg startup sproof.io, a spin-off from Salzburg University of Applied Sciences, was able to acquire prominent major customers and thousands of private customers shortly after it was founded in 2020. The European Super Angels Club and the renowned business angel Michael Repnik recently invested and want to replace the market leader DocuSign on the European market with the Salzburg founders.
read moreWirtschaftszeit 20.04.2021: "Startup sproof revolutionizes the digital signature"
sproof GmbH - a startup from Salzburg University of Applied Sciences - offers new ways to collect signatures on documents in an uncomplicated and legally valid manner. Especially in times of home office, the sproof sign software simplifies the collection of signatures, shortens commutes and protects the environment.
read more
APA-OTS 16.09.2020: "sproof sign: Digital signature tool launches with major customers on board"The Salzburg-based startup sproof has launched sproof sign, a digital signature tool. The first major customers signed up even before the official launch.
read more
Trust, security and innovation
Founded in 2019 by Dr. Clemens Brunner, Dr. Fabian Knirsch and Erich Höpoldseder, sproof GmbH is a leading European provider of digital solutions for companies, universities and software integrators worldwide. The founders are security experts with doctorates and bring many years of experience in data protection, IT security and compliance to the development of the platform.