About
Cocoon Carbon transforms electric steelmaking by-products into LoopCem™, a low-carbon Supplementary Cementitious Material (SCM). This cost-competitive alternative to Ordinary Portland Cement allows cement and concrete producers to reduce embodied CO₂ by up to 27% without additional cost. Their integrated process ensures a reliable SCM with consistent performance, enabling the decarbonization of both the steel and cement industries.
Key facts
- Website
- cocooncarbon.com
- Headquarters
- London, United Kingdom
- Founded
- 2023
- Total funding
- $20M (Series A)
- Valuation
- Private
- Business model
- B2B
- Tags
- ConstructionMaterials ScienceSustainabilityClimate TechConstruction Materials
Funding rounds
| Date | Round | Amount | Lead investors |
|---|---|---|---|
| 17 Mar 2026 | Series A | $15M | 2150, Brick & Mortar Ventures |
| 21 May 2024 | Pre-Seed | $5M | Wireframe Ventures |
Tech stack
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- CMS / Builders
- Framer
- Email provider
- Google Workspace
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Frequently asked
How much funding has Cocoon Carbon raised?
Cocoon Carbon has raised a total of $20M in funding. The most recent round on record is Series A.

