# OSW funding: rounds and investors

> OSW has raised $5.5M across 1 round since 2025. Investors include Hill House Capital. Every round with its source.

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

Australia · [Venture startup](https://millionrounds.com/companies)

# Who invested in *OSW*

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.

Energy

Funding summary Updated 26 Oct 2026

**$5.5M** raised across 1 round since 2025, from 1 source

- **Latest round:** Venture, $5.5M Aug 2025
- **Investors:** 1

See who backed them

## The rounds

- **Aug 2025** Venture **$5.5M** [Hill House Capital](https://millionrounds.com/fund/hill-house-capital) Source recorded

## Everyone who backed them

[Hill House Capital](https://millionrounds.com/fund/hill-house-capital) Family office **1** round

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

## Quick answers about OSW

### Who invested in OSW?

OSW's investors include Hill House Capital.

### How much has OSW raised?

OSW has raised $5.5M across 1 round since 2025.

### When did OSW last raise?

OSW's most recent round was a Venture of $5.5M in Aug 2025.

### What was OSW's biggest round?

Its most recent round, $5.5M in Aug 2025, is also its largest on record.

### Who backed OSW first?

OSW's first round on record, in Aug 2025, was backed by Hill House Capital.

### What stage is OSW at?

OSW's latest named round is a Venture, in Aug 2025.

### Where is OSW based?

OSW is based in Australia.

## Companies like OSW

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

[**Hysata** $146M · Sept 2026](https://millionrounds.com/company/hysata)[**Amber Electric** $56M · Sept 2026](https://millionrounds.com/company/amber-electric)[**Amber** $148M · Sept 2026](https://millionrounds.com/company/amber)[**Graphene Manufacturing Group** $10M · Sept 2026](https://millionrounds.com/company/graphene-manufacturing-group)[**Gridsight** $38M · Sept 2026](https://millionrounds.com/company/gridsight)[**HAMR Energy** $32M · Jul 2026](https://millionrounds.com/company/hamr-energy)

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