Best Environment Companies in Uusimaa, Finland
The 50 best Environment companies in Uusimaa, Finland in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Ilmatar.
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 Uusimaa
| # | Company | Last round | Disclosed funding | Employees | Founder | Tech stack | Web popularity | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 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. | — |
| 2 | Air0 Manufacturer of air purification devices and indoor air quality sensors | — | — | — | Valle Kulmala Co-Founder & CEO | WordPressMySQLPHP+24 | Top 50M | 10 patents Advanced electrically enhanced indoor air purification systems for construction sites | — |
| 3 | Alfaintek Provider of air purification solutions for industrial | — | — | — | Ab Oy CEO | MODXPHPBootstrap+6 | Top 50M | — | — |
| 4 | Benerg Manufacturer of building-scale biogas machines converting food waste into energy | — | — | — | Ümit Sürer Co-Founder / COO | — | — | — | — |
| 5 | Cuycha Innovation Provider of carbon capture services | — | — | — | Markus Kankaanpaa CEO | — | — | 23 patents CO₂ capture from flue gas and solvent neutralization/regeneration technologies | — |
| 6 | Diamondtrap Provider of air filtration services | — | — | — | Vesa Myllymaki Co-Founder | — | — | 10 patents Advanced active air filtration media and low-noise portable air purification systems | — |
| 7 | Ecolution Provider of waste recycling services | — | — | 1 | — | — | — | 8 patents Valorizing organic waste into bioactive compounds for food, feed, and industrial applications. | — |
| 8 | EG-Trading Oy Provider of organic environmental and green construction services | — | — | 10 | — | WordPress Block EditorWordPressMySQL+16 | Top 10M | — | — |
Top 12 Environment companies in Uusimaa
#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
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.
#6
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
#7
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
#8
Acquired · Espoo, Uusimaa · founded 2020 · 11 employees$25.2Mraised▾
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- Dec 2021Series A$22.7M
- May 2021Seed$2.4M
#9
Seed · Espoo, Uusimaa · founded 2017 · 26 employees$1.8Mraised▾
Provider of indoor climate management service optimizing air quality and satisfaction. The service monitors building indoor air quality, identifies areas for improvement, and reports to stakeholders. It combines data analysis with reporting tools, helping reduce energy consumption and improve tenant satisfaction. The service offers measuring equipment and tenant experience tracking, visualizing data and generating reports.
- Jun 2023Seed—
- Jul 2022Seed$1.8M
#10
Funding Raised · Helsinki, Uusimaa · founded 2010$153.7Kraised▾
Provider of municipal water and waste management services
- Jan 2024Grant (prize money)$153.7K
#11
Series A · Helsinki, Uusimaa · founded 1969 · 699 employees$3Mraised▾
Provider of indoor environmental management products
#12
Early Stage · Helsinki, Uusimaa · founded 2016 · 7 employees$1.1Mraised▾
Griifn Refinery is a technology solution provider to convert waste into energy developed by Eera Waste Refining company. The offered technology converts multiple waste streams into solid recovered fuel (SRF) which can be used to produce energy. Leftover wastes are processed and sent to landfill.
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Environment coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
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.