Company
UniSieve started as a question between two ETH Zurich classmates: can the crystals chemists use as molecular sieves be made into membranes that survive a real plant? Seven years later, customers are paying for the answer.
1Origin
- 2018
Founded in Zurich by Samuel Hess and Elia Schneider, out of ETH Zurich.
- 2018 to 2025
Membranes made durable and manufacturable at industrial scale. Pilot units installed on plants.
- 2025
Metal-organic frameworks receive the Nobel Prize in Chemistry.
- 2026
Qemetica starts live testing a CO₂ capture unit in Poland.
- Oct 2026
$9M Series A led by Orano Venture Fund. Total raised $25M.
2Founders
The current site shows no people. Industrial buyers sign with engineers they can name. This section would carry portraits and the wider team.
Samuel Hess
Co-founder and CEO
Elia Schneider
Co-founder
3Investors
| Investor | Round | Note |
|---|---|---|
| Orano Venture Fund | Series A lead | Managed by Supernova Invest |
| Amadeus APEX Technology Fund | Series A | Returning investor |
| Founderful | Series A | |
| Zürcher Kantonalbank | Series A | |
| Guenat Holding | Series A |
Source: Tech Funding News, October 2026
4Resources
- UniSieve raises $9M to scale high-precision membrane solution for industrial separations08.10.2026
- Carbon capture for cement plants: a modular membrane-based approach05.10.2026
- Rethinking the value of polymer off-gas04.10.2026
5Data sheet request
Tell us the stream. An engineer replies with the data sheet and a first read on whether sieving fits.