Co-reactive Raises €6.5M Seed

Co-reactive raised €6.5M in a Seed round announced on January 28, 2026. Co-reactive develops a continuous CO₂ mineralisation process that converts captured CO₂ and natural minerals, such as olivine or metallurgical slags (EAF & BOF), into CO₂-negative supplementary cementitious materials (SCMs).

Published Oct 1, 2026

Round size

€6.5M

Stage

Seed

Headquarters

Germany

Announced

Jan 28, 2026

The company

Co-reactive develops a continuous CO₂ mineralisation process that converts captured CO₂ and natural minerals, such as olivine or metallurgical slags (EAF & BOF), into CO₂-negative supplementary cementitious materials (SCMs).

The funding

Co-reactive, based in Berlin, Germany, announced €6.5M in Seed financing on January 28, 2026.

Participants include HBG Ventures, AFI Ventures, NRW.Bank, Federal Funding for Industry and Climate (BIK), High-Tech Gründerfonds, Evercurious VC, German Federal Ministry for Economic Affairs and Energy.