sproof
Sproof is an online document signing solution that allows users to sign documents with a digital signature.
sproof has raised €3.0M across 2 funding rounds from 6 investors, most recently a round in Sep 2023. Based in Puch Near Hallein, Austria; active in Software. Data as of 28 Oct 2026.
Puch Near Hallein, Austriasproof.io ↗
Total raised
€3.0M
€3,000,000
Funding rounds
2
Investors
6
distinct backers
Active since
2021-11
latest 2023-09
Funding by year
EUR raised per yearsproof — funding by year — interactive chart.
Data table
| sproof — funding by year | |
|---|---|
| 2021 | €0 |
| 2023 | €3.0M |
Signals
Medium confidenceRaise-next likelihood6
base rate 30% for Other
- ▼ Past typical raise window
- ▼ Low backer re-investment
Exit likelihood7
base rate 11% (2+ rounds)
- ▲ 5y since founding (typical exit age)
- ▼ No recent equity round (debt-only or quiet)
Timing: overdue vs cohort gap · momentum unknown. Funding-only estimates, not predictions and not investment advice — see signals.
Funding rounds
2 rounds| Date | Stage | Amount | Investors | |
|---|---|---|---|---|
| 2023-09-12 | Other | €3.0M | Michael Rüdiger,Russell Perry,Stefan Scheibe,Stiglechner | View deal → |
| 2021-11-19 | Other | — | Berthold Bauk-Karlic,Michael Repnik | View deal → |
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