United Kingdom · 
Who invested in Graphene Composites?
Graphene Composites's investors include MassChallenge and Crowdcube.
2022202320242025
$2.5MRound$1.1MSeed$117MRound$682KRound$354KRound$1.7MRoundUnited Kingdom · Seed startup
Who invested in Graphene Composites
6 rounds we have observed, with the 2 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.
Raised 12 months ago
Funding summaryUpdated 26 Oct 2026
$123Mraised across 6 rounds since 2021, from 6 sources
$2.5MRound$1.1MSeed$117MRound$682KRound$354KRound$1.7MRound
- Latest round
- Round, $1.7MOct 2025
- Biggest round
- $117MRound · Aug 2024
- Step-upi
- 4.8×
- Investors
- 2
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Round, $2.5M Sept 2021
- Biggest round
- $117M Round · Aug 2024
- Usual gap between rounds
- 6 months the median of 5
The rounds
- Oct 2025Round$1.7M
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yet
- Jun 2025Round$354K
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yet
- Mar 2025Round$682K
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yet
- Aug 2024Round$117M
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yet
- Mar 2023
- Sept 2021Round$2.5M
No investor was named in the report.
Shares issued, filed with Companies House (SH01); no report of this raise yet
Who was in which round
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
This firm lists Graphene Composites 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.
Quick answers about Graphene Composites
How much has Graphene Composites raised?
Graphene Composites has raised $123M across 6 rounds since 2021.
When did Graphene Composites last raise?
Graphene Composites's most recent round, $1.7M, was in Oct 2025.
What was Graphene Composites's biggest round?
Graphene Composites's largest round on record is $117M, in Aug 2024.
Who backed Graphene Composites first?
Graphene Composites's first round on record, in Mar 2023, was backed by MassChallenge and Crowdcube.
What stage is Graphene Composites at?
Graphene Composites's latest named round is a Seed, in Mar 2023.
Where is Graphene Composites based?
Graphene Composites is based in the United Kingdom.
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