# Tumblebug funding: rounds and investors

> Tumblebug has raised $334K across 1 round since 2024. Every round with its source.

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

United Kingdom · [Funded startup](https://millionrounds.com/companies)

# Who invested in *Tumblebug*

One round we have observed, with the 0 investors 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.

Climate Tech

Funding summary Updated 26 Oct 2026

**$334K** raised across 1 round since 2024, from 1 source

- **Latest round:** Round, $334K Sept 2024
- **Investors:** 0

See who backed them

## The rounds

- **Sept 2024** Round **$334K** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet

## Also claim to have backed them

This firm lists Tumblebug as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

[Shake climate](https://millionrounds.com/fund/shake-climate) Accelerator Per its own site

## Quick answers about Tumblebug

### How much has Tumblebug raised?

Tumblebug has raised $334K across 1 round since 2024.

### When did Tumblebug last raise?

Tumblebug's most recent round, $334K, was in Sept 2024.

### What was Tumblebug's biggest round?

Its most recent round, $334K in Sept 2024, is also its largest on record.

### Where is Tumblebug based?

Tumblebug is based in the United Kingdom.

## Companies like Tumblebug

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

[**Adaptavate** $15M · Oct 2026](https://millionrounds.com/company/adaptavate)[**Metris Energy** $7.5M · Sept 2026](https://millionrounds.com/company/metris-energy)[**Isometric** $50M · Sept 2026](https://millionrounds.com/company/isometric)[**Breathe Battery Technologies** $132M · Aug 2026](https://millionrounds.com/company/breathe-battery-technologies)[**BE Design** Aug 2026](https://millionrounds.com/company/be-design)[**Oshen** $5.0M · Aug 2026](https://millionrounds.com/company/oshen)

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