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UniSieve secures $9M in Series A funding led by Orano Venture Fund to expand production of its membranes for industrial gas separation.
PRIVATEOct 08, 2026
Amount Raised
$9 Million
Round Type
Series A
Zurich
Investors
Guenat HoldingZürcher KantonalbankFounderfulAmadeus Apex Technology FundOrano Venture Fund
Description
UniSieve, a deep tech startup based in Zurich, has raised $9M in Series A funding. The financing, led by Orano Venture Fund, will help the company expand its production of innovative membranes. These membranes aim to replace heat-dependent separation processes in olefin manufacturing and capture carbon. The company's total funding has now reached $25M.
Company Information
Company
UniSieve
Location
Zurich, Zurich, Switzerland
About
UniSieve is a deep tech startup based in Zurich focused on producing membranes using metal-organic frameworks (MOFs) and zeolites to replace conventional, heat-dependent separation processes. Established in 2018 by ETH Zurich classmates, the company aims to improve the efficiency of molecular separation for applications in fuels, fertilizers, and plastics. UniSieve has raised a total of $25 million to date, with $9 million secured in its recent Series A funding round. Their innovative approach addresses significant energy challenges in the industry.
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Zurich