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Circular11

Develops building materials from low-grade plastic waste, providing a circular route for plastics that are difficult to recycle.

Deep Tech
Plastic Recycling
Total Raised
$3M
Last Valuation
$18M
Headquarters
San Francisco, CA

Overview

Circular11 is a UK-based materials company focused on converting low-grade plastic waste into building materials. Its work addresses plastics that have limited conventional recycling value and targets construction and building-products markets seeking more circular inputs. The company disclosed €2.7 million, or about $3 million, in funding in June 2026. The round supports its effort to scale a waste-to-materials model, with differentiation centered on using lower-quality plastic streams rather than relying only on higher-grade recycled feedstock.

Funding History

1 round · Jun 2026
$3M
Total Raised
1
Valuation: $18M
Cumulative: $3M

UK-based Circular11 secures €2.7 million to turn low-grade plastic waste into building materials

Vectr7 Investment Partners (Lead)The FSE Group (Lead)The FSE Investor NetworkOxford Innovation Network
Source

Frequently Asked Questions

How much has Circular11 raised in total?
Circular11 has raised a total of $3M across 1 funding round.
Who are Circular11's investors?
Circular11's investors include The FSE Group, Vectr7 Investment Partners, The FSE Investor Network, Oxford Innovation Network.
What does Circular11 do?
Circular11 is a UK-based materials company focused on converting low-grade plastic waste into building materials. Its work addresses plastics that have limited conventional recycling value and targets construction and building-products markets seeking more circular inputs. The company disclosed €2.7 million, or about $3 million, in funding in June 2026. The round supports its effort to scale a waste-to-materials model, with differentiation centered on using lower-quality plastic streams rather than relying only on higher-grade recycled feedstock.
Where is Circular11 headquartered?
Circular11 is headquartered in San Francisco, CA.