blue activity
The Heidelberg-based cleantech company, founded in 2021 by Lars Havighorst and Michael Simon, focuses on the "sustainable treatment of cooling water in industrial evaporative cooling systems."
blue activity has raised €8.5M across 1 funding round from 3 investors, most recently a round in Mar 2026. Based in Heidelberg, Germany; active in Cleantech. Data as of 28 Oct 2026.
Heidelberg, Germanyblueactivity.de ↗
Total raised
€8.5M
€8,500,000
Funding rounds
1
Investors
3
distinct backers
Active since
2026-03
latest 2026-03
Funding by year
EUR raised per year · 2026 YTDblue activity — funding by year — interactive chart.
Data table
| blue activity — funding by year | |
|---|---|
| 2026 | €8.5M |
Signals
High confidenceRaise-next likelihood28
base rate 30% for Other
- ▲ In typical raise window
- ▼ Low backer re-investment
Timing: in window vs cohort gap · momentum unknown. Funding-only estimates, not predictions and not investment advice — see signals.
Funding rounds
1 round| Date | Stage | Amount | Investors | |
|---|---|---|---|---|
| 2026-03-24 | Other | €8.5M | Angel Invest Ventures,Venture Stars,Wind Capital | View deal → |
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