
Cocoon Carbon
Unlocking a new, scalable supply of key materials used to make concrete.
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.
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Key facts
- Website
- cocooncarbon.com
- Headquarters
- London, United Kingdom
- Founded
- 2023
- Total funding
- $20M (Series A)
- Business model
- B2B
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
Detected on cocooncarbon.com, last scanned 31 Oct 2026. Run your own scan
- CMS / Builders
- Framer
- Email provider
- Google Workspace
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Frequently asked
Is Cocoon Carbon trustworthy and reputable?
StartupHub's Data Trust & Reputation score for Cocoon Carbon is 66 out of 100, a generally safe rating, based on site security posture, privacy practices, malware and phishing checks, and public reputation signals.
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.
SEC filings, insider activity, nonprofit links and pay benchmarks for Cocoon Carbon:
Company details: from public sources. Funding: no announced round on file. Ownership: not yet claimed by the company. Scores: measured by named tools; each links to its method. Our rules


