Investor profile
Sebastian Siemiatkowski has backed 5 European tech companies across 6 funding rounds between 2015 and 2021, joining rounds totalling €91M. Most active in Transportation and Fintech. Data as of 7 Aug 2026.
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| Company | Country | Rounds | Total € |
|---|---|---|---|
| Pangaia | UK | 1 | €43M |
| GoEuro | Germany | 1 | €43M |
| Budbee | Sweden | 2 | €4.1M |
| Steven | Sweden | 1 | €944k |
| Spark Software | Poland | 1 |
| €700k |
| €1.1M |
| 2016-03 |
| Steven | Seed | €944k | 2017-04 |
| Spark Software | Early VC | €700k | 2015-03 |
