# SurfAce Cleantech funding: rounds and investors

> SurfAce Cleantech has raised $307K across 1 round since 2026. Investors include HSG. Every round with its source.

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

Switzerland · [Pre-seed startup](https://millionrounds.com/companies)

# Who invested in *SurfAce Cleantech*

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.

Chemicals & Materials

Raised 2 months ago

Funding summary Updated 26 Oct 2026

**$307K** raised across 1 round since 2026, from 1 source

- **Latest round:** Pre-seed, $307K Sept 2026
- **Investors:** 1

See who backed them

## The rounds

- **Sept 2026** Pre-seed **$307K** [HSG](https://millionrounds.com/fund/hsg) Source recorded

## Founders and team

From SurfAce Cleantech's own website: 2 founders, 1 on the team.

**Frederic Mauch** Co-founder and CEO

**Saoirse Kathryn McConnell** Co-founder and CTO

- **Loris Castagnolo** R&D Manager

## Everyone who backed them

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

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

## Quick answers about SurfAce Cleantech

### Who invested in SurfAce Cleantech?

SurfAce Cleantech's investors include HSG.

### How much has SurfAce Cleantech raised?

SurfAce Cleantech has raised $307K across 1 round since 2026.

### When did SurfAce Cleantech last raise?

SurfAce Cleantech's most recent round was a Pre-seed of $307K in Sept 2026.

### What was SurfAce Cleantech's biggest round?

Its most recent round, $307K in Sept 2026, is also its largest on record.

### Who backed SurfAce Cleantech first?

SurfAce Cleantech's first round on record, in Sept 2026, was backed by HSG.

### What stage is SurfAce Cleantech at?

SurfAce Cleantech's latest named round is a Pre-seed, in Sept 2026.

### Where is SurfAce Cleantech based?

SurfAce Cleantech is based in Switzerland.

## Companies like SurfAce Cleantech

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

[**UniSieve** $9.0M · Oct 2026](https://millionrounds.com/company/unisieve)[**Treeless** $1.5M · Jul 2026](https://millionrounds.com/company/treeless)[**Covalo** $5.3M · Apr 2026](https://millionrounds.com/company/covalo)[**DePoly** $23M · Feb 2026](https://millionrounds.com/company/depoly)[**Albert Invent** $20M · Oct 2026](https://millionrounds.com/company/albert-invent)[**Adaptavate** $15M · Oct 2026](https://millionrounds.com/company/adaptavate)

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