About Mets Spring
Mets Spring is a venture capital firm founded in 2018. It is primarily based out of Espoo, Finland. As of Dec 2023, Mets Spring has invested in 10 companies. It primarily invests in Seed round in Finland based startups. Its investments are spread across a wide range of sectors from High Tech to Environment Tech and Chemicals and Materials Tech. Most recently it participated in the $***** Series A round of FineCell A lot of funds co-invest with Mets Spring, with names like Chalmers Ventures sharing a substantial percentage of its portfolio. Mets Spring has team of 5 people including 2 partners.Key Metrics
Team Members
Portfolio Sectors
Rounds of Entry
Seed & Series A
Mets Spring's List of Top Investments
Mets Spring has a portfolio of 10 companies. Their most notable investments are in Woodio and Adsorbi.Their portfolio spans across Finland and Sweden. They have invested in High Tech, Environment Tech, Chemicals and Materials Tech and 6 other sectors, across stages such as Seed, Series A stages. Here is the list of top investments by Mets Spring:
1. Adsorbi
Developer of cellulose-based adsorbent material for capturing gaseous air pollutants. The material is applicable for both active and passive airflow applications. The adsorbent material can be used in gas filters and air filtration systems. It can also be used for packaging of sensitive goods. The material removes pollutants such as carbon monoxide, nitrogen oxides, and volatile organic compounds.
Key facts about Adsorbi
2. Innomost
Manufacturer of bio-based ingredients derived from upcycled birch bark side streams. The company transforms sustainably sourced birch bark into valuable products for various industrial applications. These upcycled ingredients offer alternatives to fossil-based materials. The products provide high performance across applications, including cosmetics, personal care, adhesives, coatings, and paints.
Key facts about Innomost
- Founded Year: 2016
- Location: Kokkola (Finland)
- Stage: Series A
- Total Funding till date: $6.87M
- Employee Count: 13 as on Sep 30, 2026
- Investors: Businessfinland, Innovestor and 3 Others
- Latest Funding Round: Series A, Aug 29, 2022, $*****
- Highlight: Editors' Pick
3. Woodio
Key facts about Woodio
- Founded Year: 2016
- Location: Helsinki (Finland)
- Stage: Series B
- Total Funding till date: $29.5M
- Employee Count: 13 as on Sep 30, 2026
- Investors: EIC Fund, Ardent Venture Partners and 5 Others
- Latest Funding Round: Series B, Jun 29, 2023, $*****
- Highlight: Editors' Pick
4. Montinutra
Producer of bioactive products from forest industry side streams. The company uses technology solutions for converting forest industry side streams into ingredients for the cosmetics, food, and beverage, and pharmaceutical industries. The offering includes Health beneficial Qusitol that is made from spruce for lower urinary tract symptoms and prostate gland enlargement treatment. The product Sprucegum is a galactoglucomannan rich pressurized hot water extract from spruce.
Key facts about Montinutra
- Founded Year: 2018
- Location: Turku (Finland)
- Stage: Seed
- Total Funding till date: $2.12M
- Employee Count: 16 as on Oct 31, 2026
- Investors: Plug and Play Tech Center and Mets Spring
- Latest Funding Round: Seed, Oct 26, 2023, $*****
- Highlight: Editors' Pick
5. Fiberwood
Manufacturer of fossil-free insulation and packaging materials from forestry by-products. It develops building products and packaging materials from forestry by-products and other natural fibers. The company's insulation and packaging materials are breathable, recyclable, and compostable, offering ecological alternatives to mineral wool and foam-based products. It focuses on creating opportunities for fossil-free construction and plastic-free packaging by utilizing forestry by-products and manufacturing valuable products efficiently.
Key facts about Fiberwood
- Founded Year: 2019
- Location: Jarvenpaa (Finland)
- Stage: Series A
- Total Funding till date: $11.6M
- Employee Count: 20 as on Oct 31, 2026
- Investors: European Innovation Council, Businessfinland and 3 Others
- Latest Funding Round: Grant (prize money), Jun 17, 2025, $*****
Mets Spring's Year-on-Year Investment Trends
Mets Spring has invested in 10 companies over the last 7 years, with an average of 1 new investment annually in the last 5 years. Its most recent first time investment was in FineCell and most recent follow-on round was in Montinutra.Year | No. of Investments | ||
|---|---|---|---|
1st Round | Follow-on | Total | |
2026 (YTD) | 0 | 0 | 0 |
2025 | 0 | 0 | 0 |
2024 | 0 | 0 | 0 |
2023 | 4 | 1 | 5 |
2022 | 0 | 1 | 1 |
2021 | 2 | 0 | 2 |
2020 | 0 | 0 | 0 |
2019 | 1 | 0 | 1 |
Mets Spring's Investments by Stage
Mets Spring has made 5 investments in Seed stage with an average round size of $1.91M and 2 investments in Series A stage with an average round size of $3.48M.Stage of entry | No. of Investments |
|---|---|
Seed | 5 |
Series A | 2 |
Note: We have considered here, only first round of investments
Mets Spring's Investments by Sector
Mets Spring has a diverse portfolio, with companies operating in the Sustainability Tech, Chemicals and Materials Tech, Environment Tech, High Tech and Food and Agriculture Tech. Notably, it has invested in 6 Tech companies, 5 Enterprise (B2B) companies and 1 Consumer (B2C) company.Sector | No. of Investments |
|---|---|
Sustainability Tech | 6 |
Chemicals and Materials Tech | 3 |
Environment Tech | 3 |
High Tech | 3 |
Food and Agriculture Tech | 2 |
Others | 3 |
Note: We have considered here, only first round of investments
Mets Spring's Investments by Geography
Mets Spring has made most investments in Finland (5), followed by Sweden where it has made 2 investments.Country | No. of Investments |
|---|---|
Finland | 5 |
Sweden | 2 |
Note: We have considered here, only first round of investments
Mets Spring's recent investments
Mets Spring has not made any investment in 2026 so far.Here are the most recent investments by Mets Spring:
Filter this listDate | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
Dec 14, 2023 | Sweden | Series A | 1330 | ||
Oct 26, 2023 | Finland | Seed | 7885 | - | |
Oct 26, 2023 | Finland | Seed | 3512 | - | |
Aug 28, 2023 | Sweden | Seed | 1011 | [+1] | |
Feb 07, 2023 | Finland | Seed | 4544 | [+1] |
Team profile of Mets Spring
Mets Spring has a team of 5 members including 2 Partners located in United States and Finland. Mets Spring's team does not sit on the board of any company as of now.Co-investors of Mets Spring
Over the past 7 years, 19 investors have co-invested in Mets Spring's portfolio companies. This includes only funds.
- Invested before Mets Spring: Europa, InnoEnergy and 2 others have invested in rounds before Mets Spring. There is 1 company where Europa has invested before Mets Spring and 1 company where InnoEnergy has invested before Mets Spring.
- Top Co-investors of Mets Spring: 8 investors entered a company along with Mets Spring. These include investors like Chalmers Ventures (1 company).
- Invested after Mets Spring: A total of 7 investors have invested in Mets Spring's portfolio after their investments. Top Investors include Metsä Group (2 companies), Vinnova (1 company) and Tesi (1 company).
Recent News related to Mets Spring
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Metsä Group hires young people for summer jobs in planting work and production unitsCision•Feb 19, 2025•Mets Spring
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A pre-engineering starts at the Husum mill integrate to change the production of BM2Cision•Feb 06, 2025•Mets Spring
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Fiberwood raises 7.7 million euros for the development of packaging and ecological insulation materials of buildingsBusiness Wire•May 23, 2024•Fiberwood, Metsä Group, Stephen Industries, Mets Spring
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Finland’s Montinutra, now rebranded as Boreal Bioproducts®, secures €2M Pre-A for eco-friendly chemical innovationArcticStartup•Dec 18, 2023•Boreal Bioproducts, Mets Spring, Metsä Group
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Metsä Spring invests in biomaterial tech developer FineCellCanadian Biomass Magazine•Dec 14, 2023•Mets Spring, FineCell, Metsä Group, InnoEnergy and 1 other
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Montinutra nets €2M to convert forest waste into sustainable alternativesTech Funding News•Oct 26, 2023•Boreal Bioproducts, Mets Spring, Montinutra, Metsä Group and 1 other
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Swedish startup Adsorbi raises €360K for cellulose-based indoor air purificationTech Funding News•Aug 29, 2023•Adsorbi, Mets Spring, Chalmers Ventures, Jovitech Invest
