The startup converts CO₂ into sustainable construction materials with a compact, scalable mineralization process that cuts emissions and supports greener building.
DeltaSpark has raised €329k across 2 funding rounds from 2 investors, most recently a round in Mar 2026. Based in Zurich, Switzerland; active in Energy. Data as of 7 Aug 2026.
Timing: too soon vs cohort gap · momentum flat. Funding-only estimates, not predictions and not investment advice — see signals.
| Date |
|---|
| Stage |
|---|
| Amount |
|---|
| Investors |
|---|
| 2026-03-31 | Other | €163k | Venture Kick | View deal → |
| 2026-03-13 | Other | €166k | InnoBooster program | View deal → |
