# UniSieve funding: rounds and investors

> UniSieve has raised $9.0M across 2 rounds since 2023. Investors include Founderful, Orano Venture Fund and EIC Accelerator. Every round with its source.

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

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

# Who invested in *UniSieve*

2 rounds we have observed, with the 7 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Chemicals & Materials Cleantech Deeptech Manufacturing

Raised 1 month ago

Funding summary Updated 26 Oct 2026

**$9.0M** raised across 2 rounds since 2023, from 3 sources

- **Latest round:** Series A, $9.0M Oct 2026
- **Led by:** Orano Venture Fund
- **Investors:** 7 (1 led)

See who backed them

## The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2024 2025 2026

**?** Venture

**$9.0M** Series A

- **First round:** Venture
- **Biggest round:** $9.0M
- **Between rounds:** 3 years

## The rounds

- **Oct 2026** Series A **$9.0M** *4 new* *1 returning* [Orano Venture Fund](https://millionrounds.com/fund/orano-venture-fund) Lead [Founderful](https://millionrounds.com/fund/founderful) [Zürcher Kantonal Bank](https://millionrounds.com/fund/zurcher-kantonalbank-zkb) [Amadeus APEX Technology Fund](https://millionrounds.com/fund/amadeus-apex-technology-fund) [Guenat Holding](https://millionrounds.com/fund/guenat-holding) Reported by Tech Funding News and 1 other
- **Oct 2023** Venture **Amount undisclosed** *3 new* [EIC Accelerator](https://millionrounds.com/fund/eic-accelerator) [Venture Kick](https://millionrounds.com/fund/venture-kick) [Founderful](https://millionrounds.com/fund/founderful) Source recorded

## Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

**Venture** 2023 **Series A** 2026 [Founderful](https://millionrounds.com/fund/founderful) [Orano Venture Fund](https://millionrounds.com/fund/orano-venture-fund) L [EIC Accelerator](https://millionrounds.com/fund/eic-accelerator) [Venture Kick](https://millionrounds.com/fund/venture-kick) [Zürcher Kantonal Bank](https://millionrounds.com/fund/zurcher-kantonalbank-zkb) [Amadeus APEX Technology Fund](https://millionrounds.com/fund/amadeus-apex-technology-fund) [Guenat Holding](https://millionrounds.com/fund/guenat-holding)

## Everyone who backed them

[Founderful](https://millionrounds.com/fund/founderful) VC firm **2** rounds

[Orano Venture Fund](https://millionrounds.com/fund/orano-venture-fund) VC firm **1** round, led 1

[EIC Accelerator](https://millionrounds.com/fund/eic-accelerator) Government **1** round

[Venture Kick](https://millionrounds.com/fund/venture-kick) Accelerator **1** round

[Zürcher Kantonal Bank](https://millionrounds.com/fund/zurcher-kantonalbank-zkb) Government **1** round

[Amadeus APEX Technology Fund](https://millionrounds.com/fund/amadeus-apex-technology-fund) VC firm **1** round

[Guenat Holding](https://millionrounds.com/fund/guenat-holding) VC firm **1** round

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

## Quick answers about UniSieve

### Who invested in UniSieve?

UniSieve's investors include Founderful, Orano Venture Fund, EIC Accelerator, Venture Kick and Zürcher Kantonal Bank, and 2 more on record. Orano Venture Fund led its latest round.

### How much has UniSieve raised?

UniSieve has raised $9.0M across 2 rounds since 2023. One round did not disclose an amount, so the total is a floor.

### When did UniSieve last raise?

UniSieve's most recent round was a Series A of $9.0M in Oct 2026, led by Orano Venture Fund.

### What was UniSieve's biggest round?

Its most recent round, $9.0M in Oct 2026, is also its largest on record.

### Who backed UniSieve first?

UniSieve's first round on record, in Oct 2023, was backed by EIC Accelerator, Venture Kick and Founderful.

### What stage is UniSieve at?

UniSieve's latest named round is a Series A, in Oct 2026.

### Where is UniSieve based?

UniSieve is based in Switzerland.

### Who led UniSieve's rounds?

Orano Venture Fund led the Series A in 2026.

## Companies like UniSieve

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

[**FOOD FOUNDERS Studio** $4.5M · Sept 2026](https://millionrounds.com/company/food-founders-studio)[**SurfAce Cleantech** $307K · Sept 2026](https://millionrounds.com/company/surface-cleantech)[**ZuriQ** $30M · Jul 2026](https://millionrounds.com/company/zuriq)[**SWISSto12** $88M · Jul 2026](https://millionrounds.com/company/swissto12)[**Treeless** $1.5M · Jul 2026](https://millionrounds.com/company/treeless)[**Neology** $1.9M · May 2026](https://millionrounds.com/company/neology)

## Find investors like these

Search every investor by what they have actually funded, then narrow to your stage and market. Free.

Open the investor searchOr these rounds in the app
