Climentum Capital is a European venture capital firm based in Copenhagen, investing in early-stage hard-tech climate companies driving deep decarbonization across energy, industry, and infrastructure. The firm leads Seed and Series A rounds in startups with significant CO₂ reduction potential across sectors including next-generation renewables, industry and manufacturing, transport and mobility, and food and agriculture.
33% of their portfolio is in Climate & Energy. Deal activity increased 200% year-over-year (6 deals in the last 12 months). Their most common stage is series-a (48% of deals). Average disclosed round size is $5.3M (across 8 rounds with reported amounts).
Portfolio
21
Fund Size
$68.4M
Top Stage
Series A
Last 12 Mo
6
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
Portfolio
| Company | Round | Amount | Date |
|---|---|---|---|
 EQON | Seed | $6M | Jul 2026 |
 Nature Robots | Seed | $4.2M | Mar 2026 |
 one.five | Series A | — | Jan 2026 |
| OOne Five | Series A | — | Jan 2026 |
 Photoncycle | Series A | — | Jan 2026 |
| EQON | Seed | $6M | Jan 2026 |
| OOne Five | Series A | — | Jan 2026 |
 One Five | Series A | — | Jan 2026 |
 Rail-flow | Series A | — | Dec 2025 |
 Novatron Fusion Group | Series A | $10.8M | Mar 2025 |
 Scale Energy | Unknown | — | Feb 2025 |
 ZeroPoint | Series A | $3.1M | May 2024 |
 Aegir Insights | Series A | — | Feb 2024 |
 ecoLocked | Seed | — | Jan 2024 |
| Novatron Fusion Group | Seed | — | Aug 2023 |
| JJolt Electrodes | Series A | — | Jun 2023 |
 Fermify | Seed | — | May 2023 |
 Entocycle | Series A | $5M | Jan 2023 |
| WWayout | Series A | — | Jan 2023 |
| Fermify | Seed | $5M | Jan 2023 |
 one • fıve | Seed | — | Sep 2022 |
 Enerin | Series A | — | — |
| ZeroPoint | Seed | — | — |
 Novatron | Seed | — | — |
| Novatron Fusion Group | Seed | — | — |
Top Co-Investors
Last updated: 20 October 2026