United Kingdom · Funded startup

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.

EnergySemiconductors

Funding summaryUpdated 15 Nov 2026

$1.2Mraised across 1 round since 2023, from 1 source

Latest round
Round, $1.2MJan 2023
Investors
0
See who backed them

The rounds

  1. 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.

  1. Jan 2023$1.2MUK share allotment

Founders and team

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

  • Stephan MartyCEO
  • Jiří PitronCTO
  • Paul BarrittCFO
  • Robert WelshCOO
  • Leonidas SpiliopoulosHead 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 PartnersPrivate equityPer 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.

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

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