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UniSieve

UniSieve

Private
ZurichEnergy & Sustainabilityhttps://www.unisieve.com/

Last Round

Series A

Feb 13, 2026

Total Funding Raised

$10.81M

Company Overview

UniSieve is a cleantech company that develops and manufactures membrane technology for molecular separation, enabling industries like chemical manufacturing and energy to reduce carbon dioxide emissions and save operational costs.

Sector

Energy & Sustainability

Verticals

Carbon Capture, Clean Manufacturing, Advanced Materials, Smart Manufacturing

Business Model

B2B

Customer Profile

Hardware Sales, Services & Consulting

AI Layer

Non-AI

Keywords

molecular-sieving membranescarbon captureindustrial gas separationmembrane technologyhydrogen purificationcleantechdecarbonizationmodular separation unitsflue gas treatmenthydrocarbon separationsize-exclusion separationindustrial decarbonizationcarbon techpredictive maintenanceprocess intensification

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UniSieve Comparables

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UniSieve comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Osmoses
87%
SepPure Technologies
83%
Via Separations
83%

UniSieve Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series AFeb 13, 2026
SeedApr 26, 2023
Pre SeedNov 4, 2020
GrantSep 2, 2020
AcceleratorOct 24, 2019
Grant
Sep 11, 2018

UniSieve Investors

Notable investors and investment history

UniSieve investors
InvestorRounds
Amadeus Capital PartnersSeed
European Innovation Council FundPre Seed
Climate KICPre Seed, Accelerator, Grant
FounderfulSeed, Pre Seed
Venture KickGrant
Qemetica VenturesSeed
Zurcher KantonalbankSeed

Market signals

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  • Apr 26, 2023

    $5.5M raised from Qemetica Ventures and Zurcher Kantonalbank.

  • Sep 11, 2018

    $135K grant received from Venture Kick.

UniSieve Filings

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UniSieve filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

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Frequently Asked Questions

Common questions about UniSieve's valuation, stock price, and market status.

Is UniSieve a public or private company?

UniSieve is a private company.

What is the current stock price of UniSieve?

UniSieve is a private company with no public stock price. No recent secondary market data is available.

How much is UniSieve worth (valuation)?

Valuation information for UniSieve is not publicly available.

Can I buy UniSieve stock?

UniSieve shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was UniSieve's last funding round?

UniSieve's most recent funding round was Seed on April 26, 2023.

Who are the main investors in UniSieve?

Key investors in UniSieve include Founderful.

Will UniSieve IPO soon?

No public IPO plans have been announced for UniSieve.

How can I track UniSieve secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor UniSieve's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersZurich
Employee Range26
Year Founded2018
Last FundingFeb 13, 2026

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