UniSieve Overview

  • Year Founded
  • 2018

Year Founded

  • Status
  • Private

  • Employees
  • 27

Employees

  • Latest Deal Type
  • Series A

  • Latest Deal Amount
  • $9M

  • Investors
  • 17

UniSieve General Information

Description

Manufacturer of precision gas separation systems designed to facilitate industrial decarbonization. The company's technology uses molecular sieving membranes, size-exclusion separation, and crystalline pore engineering to enable point-source carbon capture, chemical feedstock purification, and olefin recovery, enabling chemical manufacturers and cement producers to reduce energy consumption and unlock production capacity through a chemical-free separation process.

Contact Information

Website
www.unisieve.com
Ownership Status
Privately Held (backing)
Financing Status
Venture Capital-Backed
Corporate Office
  • Binzstrasse 9
  • 8045 Zurich
  • Switzerland
Primary Industry
Other Equipment
Other Industries
Environmental Services (B2B)
Other Energy Services
Vertical(s)
CleanTech, Manufacturing, Climate Tech
Corporate Office
  • Binzstrasse 9
  • 8045 Zurich
  • Switzerland

UniSieve Timeline

2023202420252026
Financing RoundCaptured Employee CountEstimated Employee Growth

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UniSieve Valuation & Funding

Deal Type Date Amount Raised to Date Post-Val Status Stage
15. Later Stage VC (Series A) 08-Oct-2026 $9M Completed Generating Revenue
14. Accelerator/Incubator 01-Jan-2024 Completed Generating Revenue
13. Seed Round 26-Apr-2023 Completed Generating Revenue
12. Accelerator/Incubator Completed Generating Revenue
11. Grant 30-Nov-2022 Completed Generating Revenue
10. Seed Round 04-Nov-2020 Completed Generating Revenue
9. Accelerator/Incubator 07-Jul-2020 Completed Generating Revenue
8. Grant 01-Jul-2020 Completed Startup
7. Accelerator/Incubator 10-Oct-2019 $132K Completed Startup
6. Seed Round 15-Aug-2018 $101K $132K Completed Startup
To view UniSieve’s complete valuation and funding history, request access »

UniSieve Cap Table

Stock # of Shares
Authorized		 Par Value Dividend Rate (%) Original
Issue Price		 Liquidation Liquidation
Pref. Multiple		 Conversion Price % Owned
B2 Preferred
B1 Preferred
A Preferred 21,818 $1.107670 $60.92 $60.92 1x $60.92 12.39%
Ordinary 10,000 $1.107670 $11.08 $11.08 1x $11.08 5.68%
To view UniSieve’s complete cap table history, request access »

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UniSieve Patents

  • 11

    Total Documents Applications and Grants

  • Total Patents Families

  • 3

    Granted

  • 5

    Pending

  • Expiring in next 12 mo

UniSieve Recent Patent Activity

Publication ID Patent Title Status First Filing Date Technology (CPC) Citations
WO-2026047507-A1 Housing system for multiple membrane cartridges for gas separation Pending 28-Aug-2024
WO-2025238466-A1 Multi-stage membrane process for efficient gas separation Pending 14-May-2024
EP-4624024-A1 Systems and processes for separation of complex feeds Inactive 27-Mar-2024
WO-2025201721-A1 Systems and processes for separation of complex feeds Pending 27-Mar-2024
WO-2025169019-A1 Energy-efficient carbon capture process for flue gas Pending 09-Feb-2024 B01D53/226
To view UniSieve’s complete patent history, request access »

UniSieve Signals

Growth Rate

Weekly
Growth
Weekly Growth

Size Multiple

Median
Size Multiple

Key Data Points

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UniSieve Investors (17)

Investor Name Investor Type Holding Investor Since Participating Rounds
Guenat Holding Venture Capital Minority
Orano Corporation Minority
Supernova Invest Venture Capital Minority
GCCA Accelerator/Incubator
Amadeus Capital Partners Venture Capital Minority
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UniSieve FAQs

  • When was UniSieve founded?

    UniSieve was founded in 2018.

  • Where is UniSieve headquartered?

    UniSieve is headquartered in Zurich, Switzerland.

  • What is the size of UniSieve?

    UniSieve has 27 total employees.

  • What industry is UniSieve in?

    UniSieve’s primary industry is Other Equipment.

  • Is UniSieve a private or public company?

    UniSieve is a Private company.

  • What is UniSieve’s current revenue?

    The current revenue for UniSieve is .

  • How much funding has UniSieve raised over time?

    UniSieve has raised $19.4M.

  • Who are UniSieve’s investors?

    Guenat Holding, Orano, Supernova Invest, GCCA, and Amadeus Capital Partners are 5 of 17 investors who have invested in UniSieve.

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