Reduciner 🇫🇮
Turns captured CO2 into sustainable fuels; Voima Ventures co-led the round.
About Reduciner
The company has developed a patented technology that converts captured industrial CO₂ into carbon monoxide and activated carbon, facilitating the production of low-cost fuels and valuable materials for hard-to-abate industries. This process integrates into existing industrial operations, enabling the creation of renewable electrofuels and sustainable chemicals while reducing reliance on fossil inputs.
Reduciner is a Finland-based company founded in 2025, now around 6 people. It has raised $4.2M in disclosed funding. FundFinder classes it as Climate & Energy.
Founded by Eemeli Tsupari (CTO and co-founder; repeat founder; previously ANDRITZ, CO2Esto; Aalto University), Sampsa Vuori (COO & Co-Founder; previously Business Kemi - Digipolis, Outokumpu; Lapland University of Applied Sciences).
Its investors also appear on FundFinder's most-active lists for Seed · DeepTech (80 funds), Seed · Generalist (110 funds), Seed · AI (93 funds).
Company facts from Harmonic and public filings; team backgrounds from public profiles. Refreshed weekly.
Seed · €3.6M · May 2026
- Lifeline Ventures — Finland's leading early-stage firm, investing from a €150m fifth fund raised in 2023. · cheques £200k – £3M
- Voima Ventures — Helsinki deep tech VC with an office in Stockholm. · cheques £170k – £2.5M