# Rail-Flow funding: rounds and investors

> Rail-Flow has raised $15M across 1 round since 2025. Investors include Bonsai Partners, Trill Impact Ventures and Climentum Capital.

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

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

# Who invested in *Rail-Flow*

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.

IT Services

Raised 11 months ago

Funding summary Updated 26 Oct 2026

**$15M** raised across 1 round since 2025, from 2 sources

- **Latest round:** Series A, $15M Dec 2025
- **Led by:** Bonsai Partners and Trill Impact Ventures
- **Investors:** 3 (2 led)

See who backed them

## The rounds

- **Dec 2025** Series A **$15M** [Bonsai Partners](https://millionrounds.com/fund/bonsai-partners) Lead [Trill Impact Ventures](https://millionrounds.com/fund/trill-impact-ventures) Lead [Climentum Capital](https://millionrounds.com/fund/climentum-capital) Reported by Firms' own news pages and 1 other

## Founders and team

From Rail-Flow's own website: 2 founders, 2 on the team.

**Dominik Fürste** Co-CEO & Co-Founder

**Osman Akdemir** Co-CEO & Co-Founder

- **Marcel Hoeke** CFO
- **Pablo Girardi** CTO

## Everyone who backed them

[Bonsai Partners](https://millionrounds.com/fund/bonsai-partners) VC firm **1** round, led 1

[Trill Impact Ventures](https://millionrounds.com/fund/trill-impact-ventures) VC firm **1** round, led 1

[Climentum Capital](https://millionrounds.com/fund/climentum-capital) VC firm **1** round

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

## Also claim to have backed them

These 2 firms list Rail-Flow as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

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

[Rethink Ventures](https://millionrounds.com/fund/rethink-ventures) VC firm Per its own site

## Quick answers about Rail-Flow

### Who invested in Rail-Flow?

Rail-Flow's investors include Bonsai Partners, Trill Impact Ventures and Climentum Capital. Bonsai Partners led its latest round.

### How much has Rail-Flow raised?

Rail-Flow has raised $15M across 1 round since 2025.

### When did Rail-Flow last raise?

Rail-Flow's most recent round was a Series A of $15M in Dec 2025, led by Bonsai Partners.

### What was Rail-Flow's biggest round?

Its most recent round, $15M in Dec 2025, is also its largest on record.

### Who backed Rail-Flow first?

Rail-Flow's first round on record, in Dec 2025, was backed by Bonsai Partners, Trill Impact Ventures and Climentum Capital.

### What stage is Rail-Flow at?

Rail-Flow's latest named round is a Series A, in Dec 2025.

### Where is Rail-Flow based?

Rail-Flow is based in Germany.

### Who led Rail-Flow's rounds?

Bonsai Partners led the Series A in 2025.

## Companies like Rail-Flow

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

[**OllyGarden** $5.6M · Oct 2026](https://millionrounds.com/company/ollygarden)[**Alqem** $9.1M · Jul 2026](https://millionrounds.com/company/alqem)[**EleQtron** $67M · Jun 2026](https://millionrounds.com/company/eleqtron)[**INXM** $6.6M · Jun 2026](https://millionrounds.com/company/inxm)[**welevel** $14M · May 2026](https://millionrounds.com/company/welevel)[**Linexa** $2.4M · Apr 2026](https://millionrounds.com/company/linexa)

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