# ROOMBUS funding: rounds and investors

> ROOMBUS has raised $205K across 1 round since 2021. Investors include Backstage Capital. Every round with its source.

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

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

# Who invested in *ROOMBUS*

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.

Cleantech

Funding summary Updated 26 Oct 2026

**$205K** raised across 1 round since 2021, from 1 source

- **Latest round:** Pre-seed, $205K Dec 2021
- **Investors:** 1

See who backed them

## The rounds

- **Dec 2021** Pre-seed **$205K** [Backstage Capital](https://millionrounds.com/fund/backstage-capital) Source recorded

## Everyone who backed them

[Backstage Capital](https://millionrounds.com/fund/backstage-capital) VC firm **1** round

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

## Quick answers about ROOMBUS

### Who invested in ROOMBUS?

ROOMBUS's investors include Backstage Capital.

### How much has ROOMBUS raised?

ROOMBUS has raised $205K across 1 round since 2021.

### When did ROOMBUS last raise?

ROOMBUS's most recent round was a Pre-seed of $205K in Dec 2021.

### What was ROOMBUS's biggest round?

Its most recent round, $205K in Dec 2021, is also its largest on record.

### Who backed ROOMBUS first?

ROOMBUS's first round on record, in Dec 2021, was backed by Backstage Capital.

### What stage is ROOMBUS at?

ROOMBUS's latest named round is a Pre-seed, in Dec 2021.

### Where is ROOMBUS based?

ROOMBUS is based in the United States.

## Companies like ROOMBUS

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

[**Amogy** $125M · Oct 2026](https://millionrounds.com/company/amogy)[**LanzaJet** $67M · Oct 2026](https://millionrounds.com/company/lanzajet)[**Pivot Energy** $500M · Oct 2026](https://millionrounds.com/company/pivot-energy)[**Peak Energy** $163M · Oct 2026](https://millionrounds.com/company/peak-energy)[**Renew** $207M · Oct 2026](https://millionrounds.com/company/renew)[**Optivolt** $37M · Oct 2026](https://millionrounds.com/company/optivolt)

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