Lifeline Ventures is a Helsinki-based, sector-agnostic early-stage venture capital firm that invests in ambitious teams with the potential to become industry leaders, often from the pre-seed and seed stages. Their strategy involves partnering closely with founders from day one, providing funding and operational guidance, and reserving capital to support companies through later growth rounds to help them scale globally.
Deal activity increased 133% year-over-year (7 deals in the last 12 months). Their most common stage is seed (50% of deals). Average disclosed round size is $26.0M (across 31 rounds with reported amounts).
Portfolio
34
Fund Size
$890M
Top Stage
Seed
Last 12 Mo
7
Team
Juha Lindfors
Managing Partner
Petteri Koponen
Partner
Teemu Mattila
Partner
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
Portfolio
| Company | Round | Amount | Date |
|---|---|---|---|
| PPhotoncycle | Series A | $15M | Mar 2026 |
 Ever | Series A | $31M | Feb 2026 |
 ICEYE | Series E | $200M | Dec 2025 |
| TTime Atlas Labs | Seed | $1.8M | Sep 2025 |
| SSteady Energy | Growth | $32M | Jul 2025 |
| IInven | Series A | $11.2M | May 2025 |
| TTILT Biotherapeutics | Series B | $25.6M | May 2025 |
 In Parallel | Seed | $2.8M | Nov 2024 |
| LLOUHE.ai | Seed | $3M | Oct 2024 |
 Toddle | Seed | $4.3M | Jul 2024 |
 Mjuk | Seed | $2.5M | Sep 2023 |
| MMeasurlabs | Seed | $2.5M | Sep 2023 |
 Metroc | Seed | $2M | Aug 2023 |
| VVensum | Seed | $3.8M | May 2023 |
| IInven | Seed | $1.5M | Mar 2023 |
 Varjo | Series D | $40M | Sep 2022 |
| HHuuva | Seed | $4.9M | Jun 2022 |
| DDispelix | Series B | $28.4M | Nov 2021 |
| SSwarmia | Seed | $8M | May 2021 |
 Oura | Series C | $100M | May 2021 |
 Carbo Culture | Seed | $6.2M | Apr 2021 |
| RReceiptHero | Seed | $2M | Dec 2020 |
| SSwappie | Series B | $40.6M | Jun 2020 |
 Aiven | Series B | $40M | Feb 2020 |
| SSulapac | Series A | $15M | Dec 2019 |
Top Co-Investors
Last updated: 13 March 2026