# Wattstor funding: rounds and investors

> Wattstor has raised $1.2M across 1 round since 2023. Every round with its source.

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

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

# Who invested in *Wattstor*

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.

Energy Semiconductors

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Funding summary Updated 15 Nov 2026

**$1.2M** raised across 1 round since 2023, from 1 source

- **Latest round:** Round, $1.2M Jan 2023
- **Investors:** 0

See who backed them

## The rounds

- **Jan 2023** Round **$1.2M** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet

## Funding filed with regulators

Wattstor filed one raise, $1.2M in all. Filings say how much was sold and to how many investors; they never name the investors.

- Jan 2023 **$1.2M** UK share allotment

## Founders and team

From Wattstor's own website: 5 on the team.

- **Stephan Marty** CEO
- **Jiří Pitron** CTO
- **Paul Barritt** CFO
- **Robert Welsh** COO
- **Leonidas Spiliopoulos** Head of Product

## Also claim to have backed them

This firm lists Wattstor 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.

[Ara Partners](https://millionrounds.com/fund/ara-partners) Private equity Per its own site

## Quick answers about Wattstor

### How much has Wattstor raised?

Wattstor has raised $1.2M across 1 round since 2023.

### When did Wattstor last raise?

Wattstor's most recent round, $1.2M, was in Jan 2023.

### What was Wattstor's biggest round?

Its most recent round, $1.2M in Jan 2023, is also its largest on record.

### Where is Wattstor based?

Wattstor is based in the United Kingdom.

## Companies like Wattstor

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

[**Silicon MicroGravity** $21M · Nov 2026](https://millionrounds.com/company/silicon-microgravity)[**FluoRok** $46M · Nov 2026](https://millionrounds.com/company/fluorok)[**Thistle** $10M · Nov 2026](https://millionrounds.com/company/thistle)[**Fractile** $960M · Oct 2026](https://millionrounds.com/company/fractile)[**Salience Labs** $169M · Oct 2026](https://millionrounds.com/company/salience-labs)[**MintNeuro** $26M · Oct 2026](https://millionrounds.com/company/mintneuro)

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