# theion funding: rounds and investors

> theion has raised $16M across 1 round since 2025. Investors include Enpal, Geschwister Oetker Beteiligungen KG and Team Global. Every round with its source.

Source: https://millionrounds.com/company/theion (Millionrounds; every figure on the page links to its filing or article)

Germany · [Series A startup](https://millionrounds.com/companies)

# Who invested in *theion*

One round we have observed, with the 3 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Climate Tech Energy

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Funding summary Updated 5 Nov 2026

**$16M** raised across 1 round since 2025, from 1 source

- **Latest round:** Series A, $16M Mar 2025
- **Investors:** 3

See who backed them

## The rounds

- **Mar 2025** Series A **$16M** [Enpal](https://millionrounds.com/fund/enpal) [Geschwister Oetker Beteiligungen KG](https://millionrounds.com/fund/geschwister-oetker-beteiligungen-kg) [Team Global](https://millionrounds.com/fund/team-global) Reported by Silicon Canals

## Founders and team

From theion's own website: 1 founder, 4 on the team.

**Marek Slavik** CSO / Co-Founder

- **Dr. Ulrich Ehmes** CEO
- **Martin Schaupp** CTO
- **Henning Rath** Board Member
- **Sven Wiszniewski** Board Member

## Everyone who backed them

[Enpal](https://millionrounds.com/fund/enpal) VC firm **1** round

[Geschwister Oetker Beteiligungen KG](https://millionrounds.com/fund/geschwister-oetker-beteiligungen-kg) VC firm **1** round

[Team Global](https://millionrounds.com/fund/team-global) Accelerator **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=theion).

## Also claim to have backed them

This firm lists theion as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

[Linden Capital](https://millionrounds.com/fund/linden-capital-gmbh) VC firm Per its own site

## Quick answers about theion

### Who invested in theion?

theion's investors include Enpal, Geschwister Oetker Beteiligungen KG and Team Global.

### How much has theion raised?

theion has raised $16M across 1 round since 2025.

### When did theion last raise?

theion's most recent round was a Series A of $16M in Mar 2025.

### What was theion's biggest round?

Its most recent round, $16M in Mar 2025, is also its largest on record.

### Who backed theion first?

theion's first round on record, in Mar 2025, was backed by Enpal, Geschwister Oetker Beteiligungen KG and Team Global.

### What stage is theion at?

theion's latest named round is a Series A, in Mar 2025.

### Where is theion based?

theion is based in Germany.

## Companies like theion

In the same sector, and raised in the last eighteen months.

[**StrollMe** $28M · Oct 2026](https://millionrounds.com/company/strollme)[**Rabot Energy** $50M · Oct 2026](https://millionrounds.com/company/rabot-energy)[**1KOMMA5°** $563M · Oct 2026](https://millionrounds.com/company/1komma5)[**hexafarms** $9.5M · Oct 2026](https://millionrounds.com/company/hexafarms)[**Reverion** $237M · Sept 2026](https://millionrounds.com/company/reverion)[**METYCLE** $165M · Sept 2026](https://millionrounds.com/company/metycle)

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