Climentum Capital is a venture capital firm that invests in early-stage (late Seed and Series A) European climate tech companies, specifically focusing on "hard tech" and deep tech solutions that primarily involve hardware augmented by software. Their strategy is to back ventures with the potential to deliver significant and measurable CO2 emission reductions across six key verticals: NextGen Renewables, Food & Agriculture, Industry & Manufacturing, Buildings & Architecture, Transportation & Mobility, and Waste & Materials.
44% of their portfolio is in Climate & Energy. Deal activity increased 200% year-over-year (3 deals in the last 12 months). Their most common stage is series-a (78% of deals). Average disclosed round size is $8.4M (across 9 rounds with reported amounts).
Portfolio
9
Fund Size
$150M
Top Stage
Series A
Last 12 Mo
3
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
Portfolio
| Company | Round | Amount | Date |
|---|---|---|---|
 one.five | Series A | $14M | Jan 2026 |
| RRail-Flow | Series A | $12.5M | Dec 2025 |
 Novatron Fusion Group | Series A | $10.8M | Mar 2025 |
| ZZeroPoint Technologies AB | Series A | $5.4M | May 2024 |
| Novatron Fusion Group | Seed | $5M | Aug 2023 |
| JJolt Electrodes | Series A | $6M | Jun 2023 |
 Entocycle | Series A | $5M | Jan 2023 |
| WWayout | Series A | $6M | Jan 2023 |
 one • fıve | Seed | $10.5M | Sep 2022 |
Top Co-Investors
Last updated: 8 March 2026