Cocoon Carbon
London, United States · Founded 2023 · $20.4M raised
- Headquarters
- London
- Founded
- 2023
- Business Model
- B2B
- Website
- cocooncarbon.com
- Total Funding
- $20.4M
- Last Round
- $15.0M Series AMar 2026
- Rounds
- 2
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
About
Cocoon is a London-based climate technology company transforming the by-product of electric steelmaking into LoopCem, a scalable, low-carbon Supplementary Cementitious Material (SCM) for the concrete industry. The company aims to unlock a circular economy between steelmaking and cement, targeting delivery of 11 million tonnes of SCM by 2032 to mitigate 10 million tonnes of CO2 emissions annually. Backed by $15 million in Series A funding led by 2150 and Brick & Mortar Ventures, Cocoon has piloted its technology at the UK's Materials Processing Institute and partnered with CRH's Sustainable Building Materials Accelerator.
Summary
Cocoon Carbon is a Climate Tech company based in London, United States, founded in 2023. It has raised $20.4M in total across 2 rounds, most recently a $15.0M Series A round in Mar 2026. Investors include 2150, Brick & Mortar Ventures and Wireframe Ventures.
Funding History
Mar 2026
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Funding: Pre-Seed through Series A. Amounts, valuations, and investors where available.
Investors
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