# Graphene Composites funding: rounds and investors > Graphene Composites has raised $123M across 6 rounds since 2021. Investors include MassChallenge and Crowdcube. Every round with its source. Source: https://millionrounds.com/company/graphene-composites (Millionrounds; every figure on the page links to its filing or article) United Kingdom · [Seed startup](https://millionrounds.com/companies) # 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. Chemicals & Materials Raised 12 months ago Funding summary Updated 26 Oct 2026 **$123M** raised across 6 rounds since 2021, from 6 sources **$2.5M** Round **$1.1M** Seed **$117M** Round **$682K** Round **$354K** Round **$1.7M** Round - **Latest round:** Round, $1.7M Oct 2025 - **Biggest round:** $117M Round · Aug 2024 - **Step-up i:** 4.8× - **Investors:** 2 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. 2022 2023 2024 2025 **$2.5M** Round **$1.1M** Seed **$117M** Round **$682K** Round **$354K** Round **$1.7M** Round - **First round:** Round, $2.5M - **Biggest round:** $117M - **Usual gap between rounds:** 6 months ## The rounds - **Oct 2025** Round **$1.7M** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet - **Jun 2025** Round **$354K** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet - **Mar 2025** Round **$682K** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet - **Aug 2024** Round **$117M** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet - **Mar 2023** Seed **$1.1M** *2 new* [MassChallenge](https://millionrounds.com/fund/masschallenge) [Crowdcube](https://millionrounds.com/fund/crowdcube) Source recorded - **Sept 2021** Round **$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. **Round** 2021 **Seed** 2023 **Round** 2024 **Round** 2025 **Round** 2025 **Round** 2025 [MassChallenge](https://millionrounds.com/fund/masschallenge) [Crowdcube](https://millionrounds.com/fund/crowdcube) ## Everyone who backed them [MassChallenge](https://millionrounds.com/fund/masschallenge) Accelerator **1** round [Crowdcube](https://millionrounds.com/fund/crowdcube) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=graphene-composites). ## 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. [Remarkables Capital Ltd.](https://millionrounds.com/fund/remarkables-capital-ltd) Family office Per its own site ## Quick answers about Graphene Composites ### Who invested in Graphene Composites? Graphene Composites's investors include MassChallenge and Crowdcube. ### 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. ## Companies like Graphene Composites In the same sector, and raised in the last eighteen months. [**Adaptavate** $15M · Oct 2026](https://millionrounds.com/company/adaptavate)[**Dragonfly Advanced Materials** $2.0M · Sept 2026](https://millionrounds.com/company/dragonfly-advanced-materials)[**Eterna Regeneratives** $4.0M · Sept 2026](https://millionrounds.com/company/eterna-regeneratives)[**iGii** $27M · Sept 2026](https://millionrounds.com/company/igii)[**Nanoloom** $567K · Sept 2026](https://millionrounds.com/company/nanoloom)[**Chemify** $81M · Sept 2026](https://millionrounds.com/company/chemify) ## Find investors like these Search every investor by what they have actually funded, then narrow to your stage and market. Free. Open the investor searchOr these rounds in the app