# Pirta funding: rounds and investors

> Pirta has raised $1.7M across 3 rounds since 2023. Every round with its source.

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

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

# Who invested in *Pirta*

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

**$1.7M** raised across 3 rounds since 2023, from 3 sources

**$764K** Round **$254K** Round **$684K** Round

- **Latest round:** Round, $684K Oct 2024
- **Biggest round:** $764K Round · May 2023
- **Step-up i:** 2.7×
- **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.

2024

**$764K** Round

**$254K** Round

**$684K** Round

- **First round:** Round, $764K
- **Biggest round:** $764K
- **Usual gap between rounds:** 13 months

## The rounds

- **Oct 2024** Round **$684K** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet
- **Jun 2024** Round **$254K** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet
- **May 2023** Round **$764K** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet

## Funding filed with regulators

Pirta filed 6 raises, $1.7M in all. Filings say how much was sold and to how many investors; they never name the investors.

- Oct 2024 **$684K** UK share allotment
- Jun 2024 **$254K** UK share allotment
- Sept 2023 **$125K** UK share allotment
- Jul 2023 **$131K** UK share allotment
- Jun 2023 **$127K** UK share allotment
- May 2023 **$381K** UK share allotment

## Founders and team

From Pirta's own website: 1 founder, 2 on the team.

**Rob Atkin** Founder And CEO

- **Michael Fleming** Director And Head Of Business Development
- **Howard Atkin** Director Of R&D

## Quick answers about Pirta

### How much has Pirta raised?

Pirta has raised $1.7M across 3 rounds since 2023.

### When did Pirta last raise?

Pirta's most recent round, $684K, was in Oct 2024.

### What was Pirta's biggest round?

Pirta's largest round on record is $764K, in May 2023.

### Where is Pirta based?

Pirta is based in the United Kingdom.

## Companies like Pirta

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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