# Proba funding: rounds and investors

> Proba has raised $1.5M across 1 round since 2026. Investors include The Yield Lab. Every round with its source.

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

Netherlands · [Seed startup](https://millionrounds.com/companies)

# Who invested in *Proba*

One round we have observed, with the one investor 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

Raised 10 months ago

Funding summary Updated 26 Oct 2026

**$1.5M** raised across 1 round since 2026, from 1 source

- **Latest round:** Seed, $1.5M Jan 2026
- **Investors:** 1

See who backed them

## The rounds

- **Jan 2026** Seed **$1.5M** [The Yield Lab](https://millionrounds.com/fund/the-yield-lab) Source recorded

## Founders and team

From Proba's own website: 2 founders, 5 on the team.

**Sijbrand Tieleman** CEO & Co-Founder

**Rutger Beens** Co-Founder

- **Damanpreet Kaur** Research Consultant
- **Erna Maciulis** Marketing Lead
- **Frank De Zwart** Product Manager
- **Lena Euwans** Chair
- **Vladimir Davidovic** R&D Lead

## Everyone who backed them

[The Yield Lab](https://millionrounds.com/fund/the-yield-lab) VC firm **1** round

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

## Quick answers about Proba

### Who invested in Proba?

Proba's investors include The Yield Lab.

### How much has Proba raised?

Proba has raised $1.5M across 1 round since 2026.

### When did Proba last raise?

Proba's most recent round was a Seed of $1.5M in Jan 2026.

### What was Proba's biggest round?

Its most recent round, $1.5M in Jan 2026, is also its largest on record.

### Who backed Proba first?

Proba's first round on record, in Jan 2026, was backed by The Yield Lab.

### What stage is Proba at?

Proba's latest named round is a Seed, in Jan 2026.

### Where is Proba based?

Proba is based in the Netherlands.

## Companies like Proba

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

[**Ore Energy** $43M · Aug 2026](https://millionrounds.com/company/ore-energy)[**Droppie** $4.8M · Jun 2026](https://millionrounds.com/company/droppie)[**MAECONOMY** $1.8M · Apr 2026](https://millionrounds.com/company/maeconomy)[**Yasu** $984K · Nov 2025](https://millionrounds.com/company/yasu)[**Overstory** $43M · Nov 2025](https://millionrounds.com/company/overstory)[**Billie Wonder** $926K · Nov 2025](https://millionrounds.com/company/billie-wonder)

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