Best Sustainability Tech Companies in Finland
The 212 best Sustainability Tech companies in Finland in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Neste.
Finland's Sustainability Tech sector is more crowded than the funding numbers suggest. This directory ranks 212 companies tracked across Finland, ordered by disclosed equity funding and recent momentum, with $583M in total capital across the cohort. That's a real pool, even if no unicorn has emerged yet.
The global market behind these companies is the bigger story. Sustainability Tech is forecast to grow from roughly $16.2B in 2022 to $122.7B by 2032, a 23.8% CAGR that explains why investors like Tesi, Europa, and the EIC Fund keep writing checks into Helsinki and beyond. Puro.earth leads the Finnish pack by funding at $13M, followed by Valo Therapeutics at $25M, though I'd note that figure sits at the edge of clean-tech classification. Spiral Hydrogen, Sensmet, and Carbonaide are smaller bets, each under $5M, which tells you how early-stage most of this field still is. What happens when EV battery technology and next-generation drive systems mature into mainstream procurement cycles? The companies building carbon and hydrogen infrastructure now are positioning for exactly that demand. One structural headwind worth watching: fragmented green-tech regulation continues to slow commercialization timelines, a friction Finland's founders know well.
- MarketsandMarkets
Our analysis of 293 Sustainability Tech companies
$38.4b in tracked funding; 83% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Sustainability Tech companies in Finland
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Web popularity | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Neste Manufacturer of renewable diesel, sustainable aviation fuel, and feedstocks | $102M | 47 mo ago | 5,297 5,297 → 4,506 (-15%) | Matti Lehmus President and CEO | ContentfulNode.jsSalesforce+15 | Top 1M | 90 patents Renewable paraffin waxes and bio‑based lubricants from microbial oil processing | — |
| 2 | Infinited Fiber Producer of recycled cotton fibers and technological solutions for fashion industry | $84M | 27 mo ago | 58 | Petri Alava CEO | WordPress Block EditorWordPressMySQL+20 | Top 10M | 142 patents Advanced cellulose fiber production and recycling technologies for sustainable textile manufacturing. | — |
| 3 | 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 | — | — |
| 4 | Enevo Provider of a platform and sensors for waste management optimization | $39M | 104 mo ago | 15 | Fredrik Kekalainen Co-Founder | WordPressMySQLPHP+16 | Top 50M | 90 patents IoT-based waste container tracking, fill-level sensing, and dynamic collection routing | — |
| 5 | AW-Energy Online platform offering solutions for harnessing and converting ocean wave energy into electricity | $28M | 67 mo ago | 12 | — | WordPressMySQLPHP+23 | Top 10M | 179 patents Wave energy conversion devices with power‑take‑off and integrated hydrogen production systems | — |
| 6 | Forendo Pharma Provider of small molecule based therapeutics for reproductive health | $26M | 83 mo ago | 23 | — | — | — | 87 patents Selective 17β‑hydroxysteroid dehydrogenase type 1 inhibitor compounds for hormone‑related therapies | — |
| 7 | Valo Therapeutics Developer of immunotherapies for cancer and infectious disease | $25M | 15 mo ago | 20 | — | DrupalPHPNginx+11 | Top 50M | 61 patents Oncolytic viral vector platforms for cancer immunotherapy and vaccine development | — |
| 8 | 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 | — | — |
| 9 | LIFAair Manufacturer of air purification equipment and medical grade respiratory masks | $23M | 127 mo ago | — | Vesa Makipaa Founder & CEO | Shogun Page BuilderCart FunctionalityShopify+15 | Top 10M | — | — |
| 10 | Sulapac Manufacturer of bio-based, biodegradable plastic alternatives | $18M | 36 mo ago | 34 | Suvi Haimi Co-Founder & CEO | WordPressMySQLPHP+24 | Top 5M | 57 patents Sustainable wood-based biodegradable composites for flexible packaging and thin‑walled containers | 3 launchs · 2 awards |
| 11 | ZenRobotics Provider of AI-powered robotic solutions for waste separation | $17M | 113 mo ago | 57 | — | — | — | 159 patents AI-driven robotic waste sorting systems with force control and vision analytics | 2 launchs |
| 12 | Puro.earth Provider of a carbon removal standard and registry | $13M | 9 mo ago | 22 | Antti Vihavainen Co-Founder | Cart FunctionalityOdooPostgreSQL+31 | Top 5M | — | 1 job opening |
| 13 | Naava Manufacturer of living green walls and biological indoor air purifiers | $11M | 52 mo ago | 80 | — | HubSpot CMS HubGSAPScrollMagic+25 | Top 5M | — | — |
| 14 | Polar Night Energy Manufacturer of sand battery based thermal energy storage systems | $9M | 26 mo ago | — | Tommi Eronen Co-Founder & CEO | WordPress Block EditorWordPressMySQL+28 | Top 5M | 7 patents Thermal energy storage and heat transfer systems for industrial and power applications | — |
| 15 | Betolar Provider of a finnish materials technology company that develops and provides low-carbon and waste-free… | $8M | 33 mo ago | 64 | Juha Leppanen Founder & CTO | HubSpot CMS HubMicrosoft AdvertisingPriority Hints+14 | Top 5M | 71 patents Advanced waste-derived battery electrolytes and soil remediation/foundation technologies | 1 job opening · 1 launch |
| 16 | Collo Provider of environmental footprint manufacturing systems | $8M | 22 mo ago | 15 | Matti Jarvelainen Founder & CEO | WordPressApple iCloud MailMicrosoft 365+27 | Top 5M | — | 2 awards |
| 17 | Sensire Provider of HSEQ software solutions for safety management and condition monitoring | $7M | 84 mo ago | 20 | Jukkapekka Asikainen Founder and CEO | HubSpot CMS HubAzureSegment+19 | Top 10M | 29 patents IoT asset tracking and sensor calibration using wireless sensor networks and RFID detection. | 1 job opening |
| 18 | Safegrid Provides grid management solutions | $7M | 13 mo ago | 22 | — | WordPressMySQLPHP+33 | Top 10M | 53 patents Real-time monitoring, fault detection, and location for electric power distribution grids. | 1 job opening · 1 partnership |
| 19 | Eniram Fuel saving system for maritime vessels | $6M | 210 mo ago | 89 | — | — | — | 35 patents Optimizing marine vessel performance and fuel management using sensor data and control systems. | — |
| 20 | ArcDia Point-of-care diagnostics for acute infectious diseases | $6M | 105 mo ago | 23 | — | WordPressMySQLPHP+19 | Top 50M | — | — |
| 21 | Teraloop Large scale Grid connected Energy Storage Systems | $6M | 61 mo ago | 18 | — | ErlangElixirPhoenix Framework+8 | Top 50M | 30 patents Patents concentrated in electrical & electronics | — |
| 22 | Aeromon Provider of mobile emission monitoring services and analytical solutions. | $5M | 39 mo ago | 23 | Jouko Salo Founder / Chairman of the Board / Chief Strategy Officer | WordPressMySQLPHP+18 | Top 10M | 18 patents Real-time gas and fluid emission monitoring using spectroscopic analyzers | — |
| 23 | Endev Provider of the sludge processing system | $5M | 78 mo ago | 9 | — | — | — | 35 patents Advanced circulating‑mass reactors and dryers for efficient wet sludge dewatering | — |
| 24 | Fiberdom Developer of functionalized wood fiber supermaterial for plastic-free packaging solutions | $4M | 14 mo ago | — | Tomi Jarvenpaa Founder | WixSentryBootstrap+12 | Top 50M | 40 patents Biodegradable high‑strength lignocellulosic composites and durable cardboard manufacturing | — |
| 25 | OptiWatti Room level optimization for temperature | $4M | 109 mo ago | — | Jyri Seppa Co-Founder | WordPressMySQLPHP+23 | Top 5M | 9 patents Load control and energy management for electric distribution networks | — |
| 26 | Wello Manufacturer of wave energy converters | $4M | 68 mo ago | 6 | — | Cart FunctionalityRequireJSReact+11 | Top 50M | 106 patents Wave energy conversion systems and marine roll mitigation technologies | — |
| 27 | 720 Degrees Cloud-based solution for monitoring the indoor environmental quality | $4M | 71 mo ago | 15 | — | — | — | 2 patents Indoor environmental monitoring systems for building HVAC control | — |
| 28 | Spiral Hydrogen Developer of electrolysis technology for green hydrogen production at lower cost | $4M | 1 mo ago | — | Juri Volodin Co-Founder& CEO | Framer SitesReactPlausible+8 | Top 50M | — | — |
| 29 | Arivin Developer of therapeutics for antimicrobial resistance infections | $4M | 9 mo ago | 2 | — | — | — | — | — |
| 30 | Synergi Online platform offering grid management solutions | $3M | 20 mo ago | 9 | Antti Hämmäinen Co-founder | WebflowGSAPSplide+17 | Top 10M | — | 1 partnership |
| 31 | Soletair Power Developer of building-integrated direct air capture technology | $3M | 24 mo ago | 17 | Ari Piispanen Co-Founder | WordPress Block EditorwpBakeryWordPress+23 | Top 10M | 22 patents CO2 capture and oxygen generation technologies for industrial combustion and process applications | — |
| 32 | FimusKraft Provider of modular bioenergy plants for biowaste valorization | $3M | 49 mo ago | — | Ahti Koivunen Founder | — | — | 8 patents Horizontal bioreactors for microbial fermentation processes | — |
| 33 | Lumous IoT and Cloud-based OLED lighting solutions for commercial facilities | $3M | 161 mo ago | 2 | Kauko Vainamo Founder | — | — | — | — |
| 34 | Sensmet AI-based technology solutions provider for water analysis | $3M | 2 mo ago | 11 | Toni Laurila Co-Founder | WordPressMySQLPHP+18 | Top 50M | — | — |
| 35 | Tracegrow Provider of technology solution to convert alkaline batteries into micro-nutrient products | $2M | 45 mo ago | 13 | — | DudaNginxSnowplow Analytics+14 | Top 10M | 16 patents Recycling spent alkaline batteries into micronutrient fertilizers (manganese/ zinc sulfate). | — |
| 36 | Olfactomics Developer of technology for surgical tissue assessment | $2M | 84 mo ago | — | Antti Roine Co-Founder & CEO | — | — | 18 patents Ion mobility spectrometry waveform control and regulated sample delivery for chemical/biological analysis | — |
| 37 | Montinutra Producer of bioactive products from forest industry side streams | $2M | 31 mo ago | 9 | — | — | — | 3 patents Plant-derived heteropolysaccharide therapeutics for urological symptom treatment | — |
| 38 | Carbonaide Manufacturer of precast concrete materials | $2M | 4 mo ago | 2 | Tapio Vehmas CEO | WordPressMySQLPHP+28 | Top 10M | 3 patents Carbon capture and utilization via mineral carbonation processes | — |
| 39 | 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 | — | — |
| 40 | 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 |
| 41 | NPHarvest Provider of solutions to turn wastewater into nutrients | $1M | 26 mo ago | — | Burak Yirmibesoglu Co-Founder | WordPressMySQLPHP+15 | Top 50M | 2 patents Solid-liquid separation devices and membrane reactors for wastewater treatment processes. | — |
| 42 | Enerim SaaS-based platform energy plant management | $1M | 30 mo ago | 215 | — | WordPressMySQLPHP+32 | Top 10M | — | — |
| 43 | Northern Antibiotics Early-stage Finnish biopharma company developing anti-infectives for severely drug resistant gram negative… | $1M | 153 mo ago | 1 | Martti Vaara Co-Founder | — | — | 89 patents Polymyxin-derived antibiotics with reduced toxicity and enhanced Gram‑negative activity | — |
| 44 | Woamy Developer of recyclable cellulose-based foam | $1M | 40 mo ago | 8 | Mohamed Elamir Co-Founder | Wix eCommerceWixSentry+14 | Top 50M | 18 patents Foam manufacturing and cross‑laminated protective composite panel production technologies. | 1 launch · 2 awards |
| 45 | FIT Biotech DNA vaccines and immunotherapy for infectious disease including HIV; tuberculosis, human papillomavirus (HPV)… | $1M | 125 mo ago | 11 | — | — | — | 60 patents Recombinant expression vectors and non‑antibiotic selection systems for biotech and vaccine development | — |
| 46 | Kausal Developer of software for cities to manage climate action plans | $932K | 31 mo ago | 9 | Sonja Ignatius CEO & Founder | — | — | — | — |
| 47 | Volare Provider of waste management solutions to agribusinesses | $846K | 12 mo ago | 19 | — | SanityNode.jsReact+12 | Top 50M | 7 patents Insect larvae sorting and processing technologies for protein/meal production. | 1 expansion · 2 awards |
| 48 | Capalo AI Provides services for traders, optimizers, and operators of battery energy storage systems through… | $529K | 4 mo ago | — | Teemu Lappalainen Co-Founder & COO | WordPressMySQLPHP+27 | Top 10M | — | 1 partnership · 1 expansion |
| 49 | Ori Solution Provider of technology for clean energy | $331K | 47 mo ago | 2 | Joakim Berndtsson Co-Founder and iCEO | — | — | 10 patents Orthogonal radial induction generators improving efficiency of rotating electric power machines | — |
| 50 | Skyfora Provider of AI and computer vision-based weather forecasting systems | $162K | 15 mo ago | 9 | Svante Henriksson Co-Founder | WordPressMySQLPHP+16 | Top 50M | 12 patents Atmospheric modeling and measurement systems for weather data acquisition and forecasting. | 1 partnership |
Top 12 Sustainability Tech companies in Finland
#1
Seed · Harju, Helsinki · founded 2024$4Mraised▾
Developer of electrolysis technology for green hydrogen production at lower cost. The technology uses rotation for circulating liquids and operates without gas bubbles. It facilitates high current densities and uniform catalyst deposit. The company's electrolyzer sets a new standard in electrolysis.
- Apr 2026Seed$3.2M
- Apr 2026Grant (prize money)$818.6K
#2
Seed · Oulu, North Ostrobothnia · founded 2017 · 11 employees$2.6Mraised▾
Sensmet is an AI-based technology solutions provider for water analysis. Their offering includes Sensmet μDOES(micro-discharge optical emission spectroscopy) which enabling online analytics of water quality. Some of the elements covered include lithium, sodium, magnesium, potassium, and others.
- Apr 2026Seed$1.7M
- Jun 2021Seed$1.8M
- May 2019Seed$780K
#3
Acquired · Helsinki, Uusimaa · founded 2018 · 22 employees$12.8Mraised▾
Provider of a carbon removal standard and registry. It offers a standard focused solely on carbon removal, ensuring durable carbon storage. The platform connects corporate buyers with carbon removal suppliers, facilitating the purchase of CO2 Removal Certificates (CORCs). It certifies suppliers that physically remove carbon dioxide from the atmosphere, contributing to net-negative emissions. The platform also provides resources and tools to support both buyers and suppliers in the carbon removal market.
- Sep 2025Series B$12.8M
#4
Series B · Helsinki, Uusimaa · founded 2016 · 20 employees$25.2Mraised▾
Developer of immunotherapies for cancer and infectious disease. The company uses immunogenic viruses as active carriers of tumor-specific peptides to direct the immune system to specifically target and kill cancer cells. The proprietary PeptiCRAd platform, an oncolytic adenovirus with immunogenic tumor peptides adsorbed onto the negatively charged viral capsid.
- Mar 2025Series B$20.6M
- Apr 2023Grant (prize money)$326.1K
- Nov 2021Series A$12.8M
- Feb 2020Seed$1.2M
#5
Series A · Joensuu, North Karelia · founded 1996 · 2 employees$1.9Mraised▾
Manufacturer of precast concrete materials
- Jan 2026Series A$4.4M
- Mar 2023Unattributed$1.9M
#6
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
#7
Seed · Espoo, Uusimaa · founded 2022 · 2 employees$3.5Mraised▾
Developer of therapeutics for antimicrobial resistance infections
- Sep 2025Seed$3.5M
#8
Series A · Kuopio, North Savo · founded 2022$529.4Kraised▾
Provides services for traders, optimizers, and operators of battery energy storage systems through AI-optimized trading and forecasts. The company offers a comprehensive service from prequalification to BESS value maximization, operating across the energy storage value chain.
- Feb 2026Series A$13M
- Mar 2025Seed$4.2M
- Oct 2023Seed$529.4K
#9
Acquired · Espoo, Uusimaa · founded 2019 · 22 employees$6.7Mraised▾
Provides grid management solutions. It uses wireless sensors to locate, predict, and prevent grid faults and improve grid performance. It also provides analytics to grid operators.
- Apr 2025Series A—
- Feb 2023Series A$6.1M
- 2019Seed$632.5K
#10
Series A · Vantaa, Uusimaa · founded 2019$4.4Mraised▾
Developer of functionalized wood fiber supermaterial for plastic-free packaging solutions. The company’s patented process creates a high-performance material using natural ingredients. This material is engineered for durability, functionality, and adaptability across diverse industries. It is recyclable within carton recycling streams and home compostable. The material is certified for disintegration, compostability, and food contact safety.
- Apr 2025Grant (prize money)$649.3K
- Apr 2025Series A$3.8M
#11
Series B · Espoo, Uusimaa · founded 2016 · 58 employees$83.6Mraised▾
Provides recycled cotton fibres and technology solutions for the fashion industry. It provides technology solutions that allow textile waste to be used again.
#12
Series A · Tampere, Pirkanmaa · founded 2017 · 15 employees$7.6Mraised▾
Collo is a provider of environmental footprint manufacturing systems. The company offers liquid sensor technology that provides real-time analysis to detect changes in the solids content, detect agglomeration, recognize sedimentation, measure homogenization, measure gelation, detect changes in chemical concentrations, monitor chemical reactions, detect chemical impurities. It also provides liquid fingerprint and liquid analysis solutions.
- Aug 2024Series A$5.5M
- Sep 2021Seed$2.1M
Funding & investor landscape
Notable founders
How research on Climate Adaptation is moving in Finland
A read on the academic research around Climate Adaptation — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 83 Finland-affiliated papers.
- University of Helsinki12
- Finnish Environment Institute10
- Aalto University10
- Finnish Meteorological Institute9
- University of Oulu8
- Flood myth2
- Climate change2
- Detention basin1
- Flood mitigation1
- Drainage1
- Flood myth1→5
- Climate change2→17
- Climate resilience1→4
- Psychological resilience1→4
Where climate adaptation 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.