# Promethean Particles funding: rounds and investors

> Promethean Particles has raised $12M across 3 rounds since 2022. Every round with its source.

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

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

# Who invested in *Promethean Particles*

3 rounds we have observed, with the 0 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 & Materials

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Funding summary Updated 15 Nov 2026

**$12M** raised across 3 rounds since 2022, from 3 sources

**$933K** Round **$959K** Round **$10M** Round

- **Latest round:** Round, $10M Jul 2024
- **Step-up i:** 10.7×
- **Investors:** 0

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.

2022 2023 2024

**$933K** Round

**$959K** Round

**$10M** Round

- **First round:** Round, $933K
- **Biggest round:** $10M
- **Usual gap between rounds:** 22 months

## The rounds

- **Jul 2024** Round **$10M** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet
- **Sept 2022** Round **$959K** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet
- **Feb 2022** Round **$933K** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet

## Funding filed with regulators

Promethean Particles filed 3 raises, $12M in all. Filings say how much was sold and to how many investors; they never name the investors.

- Jul 2024 **$10M** UK share allotment
- Sept 2022 **$959K** UK share allotment
- Feb 2022 **$933K** UK share allotment

## Quick answers about Promethean Particles

### How much has Promethean Particles raised?

Promethean Particles has raised $12M across 3 rounds since 2022.

### When did Promethean Particles last raise?

Promethean Particles's most recent round, $10M, was in Jul 2024.

### What was Promethean Particles's biggest round?

Its most recent round, $10M in Jul 2024, is also its largest on record.

### Where is Promethean Particles based?

Promethean Particles is based in the United Kingdom.

## Companies like Promethean Particles

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

[**Tolemy Bio** $3.1M · Nov 2026](https://millionrounds.com/company/tolemy-bio)[**FluoRok** $46M · Nov 2026](https://millionrounds.com/company/fluorok)[**Concretene** $9.9M · Oct 2026](https://millionrounds.com/company/concretene)[**Adaptavate** $15M · Oct 2026](https://millionrounds.com/company/adaptavate)[**Dragonfly Advanced Materials** $2.0M · Sept 2026](https://millionrounds.com/company/dragonfly-advanced-materials)[**iGii** $27M · Sept 2026](https://millionrounds.com/company/igii)

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