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ionysis GmbH

ionysis GmbH

Private
FreiburgEnergy & Sustainabilityhttps://www.ionysis.com/

Last Round

Seed

Sep 1, 2022

Total Funding Raised

$4M

Company Overview

ionysis GmbH is an industrial supplies and parts company that develops catalyst-coated membranes for fuel cells and electrolyzers.

Sector

Energy & Sustainability

Verticals

Advanced Materials, Renewable Energy, Sustainable Materials, Clean Manufacturing

Business Model

B2B

Customer Profile

Services & Consulting, Government Contracts

AI Layer

Non-AI

Keywords

polymer electrolyte membranesPEMhydrogen fuel cellswater electrolyzersmembrane electrode assembliesMEAhydrogen economycleantechgreen hydrogenelectrochemical componentsadvanced materialshydrogen techroll-to-roll manufacturingenergy storagedeep-tech

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ionysis GmbH Comparables

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ionysis GmbH comparables — related companies by embedding similarity
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Ionomr Innovations
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Solvay
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ionysis GmbH Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
SeedSep 1, 2022

Key People

Founding team and executive leadership

Andreas Büchler

COO Co-Founder

Founding Team

Lisa Langer

Co-Founder CFO

Founding Team

Matthias Breitwieser

Co-Founder, CTO ionysis GmbH

Founding Team

Market signals

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  • May 12, 2026

    Monthly visitors increased 43% MoM.

  • Feb 20, 2026

    Grew 56% QoQ, from 16 to 25 employees.

Recent news

Latest coverage and updates

  • is_developingAug 6, 2026

    ionysis GmbH is developing integrated electrochemical process on Aug 1st '26.

ionysis GmbH Filings

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

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Firmographic Details

HeadquartersFreiburg
Employee Range25
Year Founded2021
Last FundingSep 1, 2022

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