Switzerland · Series A startup

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 & MaterialsCleantechDeeptechManufacturing

Raised 1 month ago

Funding summaryUpdated 26 Oct 2026

$9.0Mraised across 2 rounds since 2023, from 3 sources

Latest round
Series A, $9.0MOct 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.

202420252026
?Venture$9.0MSeries A
First round
Venture
Oct 2023
Biggest round
$9.0M
Series A · Oct 2026
Between rounds
3 years
from the last two

The rounds

  1. Oct 2026
  2. Oct 2023
    VentureAmount undisclosed3 new

    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.

Everyone who backed them

FounderfulVC firm2rounds
Orano Venture FundVC firm1round, led 1
EIC AcceleratorGovernment1round
Venture KickAccelerator1round
Zürcher Kantonal BankGovernment1round
Guenat HoldingVC firm1round

Missing a round, or an investor who was in one? Tell us.

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.

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