Seed · Climate tech
CarbonStrong raises ₹12.5 crore seed for cement alternatives
IAN Angel Fund and Rainmatter co-led the round.
CarbonStrong raised ₹12.5 crore in a seed round announced on August 25, 2026. IAN Angel Fund and Rainmatter co-led, with participation from Social Alpha, Full Circle Ventures, Momentum Capital and Spectrum Impact.
The company turns industrial waste into binders that replace part of the cement used in concrete. It will use the financing to build its first production facility, expand its team, develop and test products, and move customer trials toward commercial production.
Use of funds
Build first production facility
Develop and test products
Expand team
Funding history
Seed · This round₹125M