Best Environment Companies in Finland
The 203 best Environment companies in Finland in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Ilmatar.
Finland's Environment sector has pulled $750 million in disclosed funding across 203 tracked companies, and that number tells you something real about how seriously Nordic capital is treating the climate transition. Fortum leads the directory at $115 million, with Ren-Gas at $26 million and Steady Energy at $13 million rounding out the upper tier. The global environmental services market sits at $68.8 billion in 2024, forecast to reach $73.5 billion by 2025 at a 5.3% CAGR, driven by tightening environmental regulations and infrastructure pressure. So where does Finland fit? Squarely in the growth lane, with investors like Tesi, EIC Fund, and Lifeline Ventures backing the pipeline.
What I find telling is the demand-side signal: median install growth of roughly 20% year-over-year across 161 environmental and renewables apps points to a sector where user adoption is catching up with capital deployment fast. Coverage of climate mobilization and transformational leadership themes is rising, and how external pressures reshape startup strategy is increasingly a live operational question, not a theoretical one. No unicorns yet from this cohort, but the funding concentration at the top suggests the infrastructure for one is being quietly assembled.
- Research Reports World
Our analysis of 309 Environment companies
$75.8b in tracked funding; 79% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Environment companies in Finland
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Web popularity | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Ilmatar Developer of wind energy projects | $244M | 31 mo ago | 85 | Kalle Pykala Co-Founder & Chairman | — | — | — | — |
| 2 | WinWinD Wind Turbine manufacturing company | $174M | 212 mo ago | 130 | — | — | — | 50 patents Wind turbine structural designs and blade pitch control mechanisms | — |
| 3 | Fortum Provider of clean energy solutions | $115M | 11 mo ago | 8,785 8,785 → 5,175 (-41%) | Markus Rauramo CEO | Apple iCloud MailMicrosoft 365Node.js+17 | Top 100k | 14 patents Advanced boiler combustion control and oxygen-enriched combustion technologies for power generation | — |
| 4 | Westenergy Provider of heat energy generation from non recyclable wastes | $78M | 102 mo ago | 37 | — | WordPressMySQLPHP+23 | Top 10M | — | — |
| 5 | One Click LCA Provider of lifecycle assessment software for construction and manufacturing industries | $44M | 30 mo ago | 35 | Panu Pasanen CEO & Decarbonization Evangelist | HubSpot CMS HubApple iCloud MailGoogle Workspace+22 | Top 1M | — | — |
| 6 | Ren-Gas Developer of solar and wind energy projects | $26M | 6 mo ago | 9 | Saara Kujala CEO | WordPressMySQLPHP+8 | Top 50M | — | 1 award |
| 7 | P2X Solutions Producer of green hydrogen and synthetic fuels. This company develops and operates industrial-scale… | $25M | 54 mo ago | 11 | Herkko Plit Founder & CEO | WordPressMySQLPHP+14 | Top 10M | — | — |
| 8 | Steady Energy Provider of nuclear engineering solutions to introduce zero-emission heating plants | $13M | 11 mo ago | — | Hannes Haapalahti Co-Founder | WebflowGSAPLinkedin Insight Tag+13 | Top 10M | 14 patents Advanced nuclear reactor fuel handling, control rod switching, and passive safety systems. | 1 launch |
| 9 | Rester Provider of waste textiles services | $6M | 16 mo ago | 17 | Joachim Colliander CEO | WordPress Block EditorCart FunctionalityWordPress+13 | Top 50M | — | 1 partnership |
| 10 | WasteWise Provider of plastic waste and natural resources services | $5M | 35 mo ago | 6 | Kaisa Suvilampi CEO | — | — | 7 patents Continuous pyrolysis systems for efficient waste-to-energy conversion | — |
| 11 | Sofi Filtration Provider of industrial water treatment and processing services | $4M | 6 mo ago | 17 | — | — | — | 34 patents Ultrasonic-assisted cleaning and backwash systems for membrane and filter elements | 3 awards |
| 12 | Halton Provider of indoor environmental management products | $3M | 115 mo ago | 699 | — | WordPressSentryApple iCloud Mail+29 | Top 5M | 814 patents Advanced HVAC control and kitchen ventilation systems with integrated fire detection | — |
| 13 | Wimao Provider of waste recycling services | $3M | 75 mo ago | 6 | Ville Immonen Managing Director | — | — | 29 patents Compression molding tools, tubular roller sleeves, and material processing equipment for packaging. | — |
| 14 | EPSE Provider of mining wastewater treatment services | $3M | 56 mo ago | — | Lasse Musakka CEO | WordPressMySQLPHP+17 | Top 10M | 4 patents Radioactive liquid decontamination using boron-based treatment methods | — |
| 15 | Freesi Provider of indoor climate management service optimizing air quality and satisfaction | $2M | 35 mo ago | 26 | Samu Niska Co-Founder & CEO | WordPress Block EditorWordPressMySQL+21 | Top 10M | — | — |
| 16 | Enersense Provider of lifecycle services for energy, industrial, and telecommunications infrastructure | $2M | 67 mo ago | 1,911 | — | WordPressMySQLPHP+21 | Top 10M | — | 2 awards |
| 17 | Aisti Provider of lowering carbon foot print | $2M | 5 mo ago | 9 | Mikko Paananen Founder and CEO | WordPress Block EditorWordPressMySQL+20 | Top 50M | 6 patents Lightweight fire‑retardant fiber‑reinforced foam composites for insulation and structural applications. | 1 award |
| 18 | Griffin Refineries Technology solution provider for waste to energy conversion | $1M | — | 7 | Mikko Kantero Co-CEO | — | — | 3 patents Organic waste composting apparatus and processing methods for biodegradable material. | — |
| 19 | GreenEnergy Finland Solar project developer | $1M | 120 mo ago | 6 | — | PythonDjangoBootstrap+10 | Top 5M | — | — |
| 20 | Moventas Offers repair and O&M services for wind turbine gearbox systems | $784K | 77 mo ago | — | Arto Lahtela CEO | — | — | 71 patents Planetary gearboxes and condition monitoring systems for wind turbine drivetrain efficiency | — |
| 21 | SansOx Provider of oxygenation solutions for water treatment | $175K | 96 mo ago | 5 | Mikael Seppälä CEO | Wix eCommerceWixSentry+15 | Top 50M | 8 patents Liquid separation and mixing equipment for industrial fluid processing, including centrifugation. | — |
| 22 | HSY Provider of municipal water and waste management services | $154K | 29 mo ago | — | Arto Kallio CEO | WordPress Block EditorWordPressMySQL+22 | Top 500k | — | — |
| 23 | ProtectPipe Provider of organic waste management services | $112K | 79 mo ago | — | Klas Alfthan Founder | WordPressMySQLPHP+30 | Top 10M | — | — |
Top 12 Environment companies in Finland
#1
Public · Espoo, Uusimaa · founded 1998 · 8785 employees$114.8Mraised▾
Provider of clean energy solutions. The company offers electricity generation and heat production, electricity retail sales, district heating and cooling, and services for smart living. It also provides power trading services for energy-intensive industries and products and services for nuclear and thermal power plants. The company focuses on decarbonization and a transition to a carbon-neutral economy. Its offerings support industrial electrification and aim to meet customer needs for reliable energy.
- Jul 2025Grant (prize money)$99.1M
- Dec 2021Grant (prize money)$11.3M
- Jul 2021Grant (prize money)$265.7K
- Nov 2020Post IPO—
#2
Series B · Espoo, Uusimaa · founded 2021 · 9 employees$26.2Mraised▾
Developer of solar and wind energy projects
- Dec 2025Series B$18.8M
- Dec 2022Series B$26.2M
#3
Public · Espoo, Uusimaa · founded 2011 · 17 employees$3.5Mraised▾
Provider of industrial water treatment and processing services
- Nov 2025Grant (prize money)$1M
- Oct 2020Series A$3.5M
- Sep 2018Grant (prize money)$141.9K
- Dec 2015Grant (prize money)$54.6K
#4
Series C · Espoo, Uusimaa · founded 2023$13.1Mraised▾
Provider of nuclear engineering solutions to introduce zero-emission heating plants
- Jul 2025Series C$37.6M
- Mar 2025Series B$23.2M
- Mar 2024Series A$10.9M
- Jun 2023Seed$2.2M
#5
Series A · Jyvaskyla, Central Finland · founded 2019 · 9 employees$1.7Mraised▾
Provider of lowering carbon foot print
- Dec 2025Venture Debt$23.4M
- Dec 2024Conventional Debt$14.2M
- Dec 2024Series A$8.9M
- Dec 2024Grant (prize money)$7.4M
#6
Series A · Paimio, Southwest Finland · founded 2019 · 17 employees$6Mraised▾
Provider of waste textiles services
- Jan 2025Series A$5.1M
- Dec 2022Grant (prize money)$594.3K
- Jul 2022Series A$6M
#7
Late Stage · Helsinki, Uusimaa · founded 2011 · 85 employees$244Mraised▾
Operator of an energy company aimed at producing and selling renewable energy to consumers and businesses. The company specializes in the development, construction management, operational asset management and retail sales of renewable energy by operating wind farms, enabling clients to get a clean source of energy.
#8
Late Stage · Helsinki, Uusimaa · founded 2001 · 35 employees$43.8Mraised▾
Provider of lifecycle assessment software for construction and manufacturing industries. The company offers software solutions for buildings, infrastructure, and manufacturing sectors. It provides tools for environmental product declaration generation, product carbon footprint assessment, and early design decarbonization. The company's software supports compliance with regulations and certifications, integrates with BIM and other platforms, and automates the EPD process. It serves architects, contractors, developers, engineers, consultants, and manufacturers in various industries, including construction products, mechanical and electrical products, transport, power and utilities, and mining.
- Nov 2023PE$43.8M
#9
Acquired · Espoo, Uusimaa · founded 2000 · 130 employees$174Mraised▾
WinWinD is a wind turbine manufacturer that has manufactured and supplied wind turbines with a capacity of 1 and 3 MW. The company has assembly factories in Hamina, Finland, and Chennai, India. WinWinD turbines are sold globally and they produce energy in Sweden, Estonia, France, Portugal, the Czech Republic and India. The company was acquired by SIVA Group in 2006 and later Masdar acquired 40% in 2008.Finnish investment fund, Suomen Teollisuussijoitus also has significant stake in the company.
- Sep 2008PE$174M
#10
Acquired · Espoo, Uusimaa · founded 2020 · 11 employees$25.2Mraised▾
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- Dec 2021Series A$22.7M
- May 2021Seed$2.4M
#11
Funding Raised · Kvevlax, Ostrobothnia · founded 2012 · 37 employees$78Mraised▾
Provider of heat energy generation from non recyclable wastes
- Dec 2017Conventional Debt$78M
#12
Seed · Tammela, Tavastia Proper · founded 2018 · 6 employees$4.6Mraised▾
Provider of plastic waste and natural resources services
- Jul 2023Seed—
- Jul 2023Conventional Debt$4.6M
Funding & investor landscape
Notable founders
How research on Environmental Monitoring is moving in Finland
A read on the academic research around Environmental Monitoring — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 149 Finland-affiliated papers.
- Finnish Environment Institute48
- University of Helsinki35
- Finnish Meteorological Institute23
- University of Oulu14
- VTT Technical Research Centre of Finland12
- Air quality index6
- Air pollution5
- Pollutant3
- Pollution3
- Air monitoring3
- Air quality index1→5
- Climate change1→4
Where environmental monitoring is researched across Finland
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.