About Us
We are creating low-carbon construction materials for the builders of tomorrow.
Vision
A world where the next generation builds at net zero, achieved by unlocking the circular economy between steelmaking and cement.
Goals
Together, we’ve defined bold and inspiring goals for the impact we aim to create.
01
Reduce concrete emissions
Deliver 11 million tonnes of SCM by 2032, mitigating 10 million tonnes of CO₂ per year
02
Unlock a circular economy
Valorize the growing global supply of EAF slag into LoopCem™, a reliable, high-performing SCM.
03
Drive global adoption
Scaling worldwide to meet demand for sustainable construction materials.
Timeline
It’s been an incredible journey so far, and we’re excited for what’s next as we continue driving our mission forward.
Our Team
Eliot Brooks
CEO
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Dr. William Knapp
CSO
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Freddie Scott
CTO
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Our values
Our values shape the culture we’re building at Cocoon and guide us in maximising our impact.
01
Prioritize SAFETY
We put safety first in everything we build and do
02
Practice PROACTIVENESS
We take ownership and iterate quickly
03
Seek EXCELLENCE
We set high standards and work hard to meet them
04
Embrace CURIOSITY
We stay humble, curious, and open-minded
05
Leverage TEAMWORK
We support one other and succeed together
06
Find FUN
We enjoy the journey, even when the work is hard
Recent milestones
Cocoon raises $15m Series A
Capital will fund Cocoon’s first U.S. commercial demo facility as they target 50 sites by 2035 and accelerate hiring in the UK and U.S.
Winner of CRH's Sustainable Building Materials Accelerator
Cocoon was one of four startups chosen to partner with CRH to pilot their groundbreaking solutions.
Joined Third Derivative's latest Industrial Innovation Cohort
The initiative was set up by RMI to accelerate advancements in cement, steel, and chemicals decarbonization.
Pilot validation (TRL 6) achieved at the MPI
Pilot validation achieved at Materials Processing Institute (UK) — demonstrating TRL 6 readiness.
Careers at Cocoon
We’re always looking for fresh faces to join our smart, ambitious and friendly team.
