# LignoSphere

an Aalto University-originated, Espoo, Finland-based startup developing bio-based coatings from lignin nanospheres sourced from forest-industry byproduct, targeting metal-coating durability, adhesion and corrosion resistance;…


Source: https://en.bioecon.ru/companies/lignosphere/
Updated: 2026-08-15

- Country: Finland

## Verifiable facts

| Fact | Value | Source |
| --- | --- | --- |
| Funding | Pre-seed funding round closed on May 20, 2026, led by Kiilto Ventures and Stephen Industries | https://app.dealroom.co/news/note/lignosphere-closes-pre-seed-to-turn-pulp-mill-lignin-into-bio-based-adhesives-and-coatings, https://stephenindustries.com/en/from-forest-industry-byproduct-to-high-technology-lignosphere-closes-pre-seed-funding/, https://www.finnceres.fi/post/from-forest-industry-byproduct-to-high-technology-finnceres-spin-out-lignosphere-closes-pre-seed-f |
| Capacity | Planned daily capacity for pilot plant of 20 kg | https://research.aalto.fi/en/publications/technical-environmental-and-safety-aspects-in-lignosphere-pilot-p/ |
| Headcount | 4 employees (as of 2025) to 5 employees (as of 2026) | https://luottoriskit.fi/fi/yritykset/3285966-1/lignosphere-company-oy/ |
| Revenue | 4,000 EUR (as of 2025) | https://luottoriskit.fi/fi/yritykset/3285966-1/lignosphere-company-oy/ |
| Production site | Headquartered in Espoo, Finland; pilot production activity reported at Centria University of Applied Sciences | https://luottoriskit.fi/fi/yritykset/3285966-1/lignosphere-company-oy/ |

Independent sources: app.dealroom.co, finnceres.fi, luottoriskit.fi, research.aalto.fi, stephenindustries.com

## Technologies

- [Bio-based surface treatment of metals](https://en.bioecon.ru/technology/bio-metal-surface-treatment/)
- [Lignin-first biorefining](https://en.bioecon.ru/technology/lignin-first-biorefining/)