United Kingdom · Seed startup

Who invested in 51toCarbonZero

2 rounds we have observed, with the one investor 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.

Climate Tech

Funding summaryUpdated 26 Oct 2026

$4.3Mraised across 2 rounds since 2021, from 2 sources

$346KRound$4.0MSeed
Latest round
Seed, $4.0MApr 2025
Step-upi
11.6×
Investors
1
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.

2022202320242025
$346KRound$4.0MSeed
First round
Round, $346K
Jul 2021
Biggest round
$4.0M
Seed · Apr 2025
Between rounds
3.8 years
from the last two

The rounds

  1. Apr 2025
    Seed$4.0M1 new

    Source recorded

  2. Jul 2021
    Round$346K

    No investor was named in the report.

    Shares issued, filed with Companies House (SH01); no report of this raise yet

Everyone who backed them

Fuel VenturesVC firm1round

Missing a round, or an investor who was in one? Tell us.

Quick answers about 51toCarbonZero

Who invested in 51toCarbonZero?

51toCarbonZero's investors include Fuel Ventures.

How much has 51toCarbonZero raised?

51toCarbonZero has raised $4.3M across 2 rounds since 2021.

When did 51toCarbonZero last raise?

51toCarbonZero's most recent round was a Seed of $4.0M in Apr 2025.

What was 51toCarbonZero's biggest round?

Its most recent round, $4.0M in Apr 2025, is also its largest on record.

Who backed 51toCarbonZero first?

51toCarbonZero's first round on record, in Apr 2025, was backed by Fuel Ventures.

What stage is 51toCarbonZero at?

51toCarbonZero's latest named round is a Seed, in Apr 2025.

Where is 51toCarbonZero based?

51toCarbonZero is based in the United Kingdom.

Companies like 51toCarbonZero

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

Find investors like these

Search every investor by what they have actually funded, then narrow to your stage and market. Free.