Ertan Wittwer
Investor profile
Angel
Ertan Wittwer has backed 5 European tech companies across 5 funding rounds between 2022 and 2023, joining rounds totalling €15M. Most active in Healthtech and Cleantech. Data as of 4 Nov 2026.
Deals
5
distinct rounds
Companies
5
backed
Active span
2022–2023
2 yrs
Total round €
€15M
sum of rounds joined
Deals by year
distinct rounds / yearErtan Wittwer — deals by year — interactive chart.
Data table
| Ertan Wittwer — deals by year | |
|---|---|
| 2022 | 3 |
| 2023 | 2 |
Top sectors
by dealsErtan Wittwer — top sectors — interactive chart.
Data table
| Ertan Wittwer — top sectors | |
|---|---|
| Healthtech | 3 |
| Cleantech | 1 |
| Proptech | 1 |
Stages
by dealsErtan Wittwer — stages — interactive chart.
Data table
| Ertan Wittwer — stages | |
|---|---|
| Pre-Seed | 3 |
| Other | 1 |
| Series B | 1 |
Countries
by dealsErtan Wittwer — countries — interactive chart.
Data table
| Ertan Wittwer — countries | |
|---|---|
| Switzerland | 4 |
| Germany | 1 |
Co-investment network
shared roundsCo-investment network — interactive chart.
Hover a node for shared-deal counts; click a co-investor to open its profile.
Best viewed on a larger screen.
Portfolio
top 30 by total round €| Company | Country | Rounds | Total € |
|---|---|---|---|
| Properti | Switzerland | 1 | €6.0M |
| HAIR & SKIN | Switzerland | 1 | €4.8M |
| Akina | Switzerland | 1 | €1.6M |
| Everyman Health | Switzerland | 1 | €1.5M |
| Noriware | Germany | 1 | €1.0M |
Biggest deals
top 10 by amount| Company | Stage | Amount | Date |
|---|---|---|---|
| Properti | Other | €6.0M | 2022-06 |
| HAIR & SKIN | Series B | €4.8M | 2022-08 |
| Akina | Pre-Seed | €1.6M | 2022-11 |
| Everyman Health | Pre-Seed | €1.5M | 2023-12 |
| Noriware | Pre-Seed | €1.0M | 2023-06 |