Observed Signal · Oct 9, 2026 · Funding · Source: Trending Topics (DACH/CEE Innovation & Tech) · Impact: 1/5 · Sentiment: Positive
UniSieve secures $9M Series A for gas separation membranes
Zurich-based deep-tech startup UniSieve has completed a $9 million Series A financing round. The round was led by the Orano Venture Fund, managed by Supernova Invest, with participation from new and existing investors including Amadeus APEX Technology Fund, Founderful, Zürcher Kantonalbank, and Guenat Holding. This brings UniSieve's total funding to $25 million. UniSieve develops high-precision membranes for industrial gas separation and carbon capture, based on metal-organic frameworks (MOFs) and zeolites, aiming to replace energy-intensive thermal processes. The new capital will be used to scale existing market applications, such as olefin separation and point-source CO2 capture, and expand into additional industrial uses. The company claims to have overcome the challenge of manufacturing durable membranes at industrial scale, a hurdle that previously limited the commercial application of these Nobel Prize-recognized materials.
The funding round for UniSieve is a niche deep-tech investment in industrial separation technology, which is not directly related to AdTech, MarTech, or advertising. The relevance to the advertising industry is minimal.
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Key Takeaways & Evidence Grounding
- UniSieve completed a Series A funding round of $9 million.
- The round was led by Orano Venture Fund, managed by Supernova Invest.
- Total funding for UniSieve now stands at $25 million.
- UniSieve develops high-precision membranes for industrial gas separation and carbon capture.
- The funding will support scaling in existing markets and expansion into new industrial applications.
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