Cleantech Capital Day 2025
Company Pitch Decks
At Cleantech Capital Day 2025, we proudly presented a curated selection of innovative startups and scaleups from the Nordic and Baltic regions.These companies are at the forefront of sustainable technology, addressing critical challenges in climate action and environmental impact. Throughout the event, they showcased their solutions in themed sessions, offering valuable insights into the future of cleantech.
To learn more about each participating company, please explore the detailed profiles below. Each profile includes a downloadable company deck, providing in-depth information on their technologies and impact.
Important: To access each download, please complete the corresponding form. This ensures we can provide you with the most relevant and up-to-date information.
2Dfab
Sweden
2D fab scale graphene innovation into industrial reality, cutting energy use and carbon footprint across high-impact sectors.
SEGMENT: Advanced Materials
"*" indicates required fields
3E Flow
Sweden
Not just AI-smart – 3E flow is proven to cut energy by 50%, water by 40%, and deliver better hygiene than conventional tap water systems.
SEGMENT: Energy Efficiency
"*" indicates required fields
ÄIO
Estonia
Future-shaping fats and oils to replace palm oil, coconut oil & animal fats with sustainable and healthier alternatives. Sustainably made.
SEGMENT: Advanced Materials
"*" indicates required fields
Arbonics
Estonia
Connecting landowners and credit buyers to scale carbon removal and protect biodiversity with data-driven forestry solutions.
SEGMENT: Air and Environment
"*" indicates required fields
ATO
Sweden
Empowers decision-makers in the energy sector by providing a tool that optimizes real-time energy management and asset performance.
SEGMENT: Energy Efficiency
"*" indicates required fields
Beholder Earth
Estonia
We solve the biggest challenge of the energy transition – shortage of green tech minerals, with the help of revolutionary AI.
SEGMENT: Manufacturing and Industrial
"*" indicates required fields
Boreal Bioproducts
Finland
Boreal Bioproducts is biorefinery that extracts novel bio-based materials from upcycled wood side streams such as saw dust and bark.
SEGMENT: Advanced Materials
"*" indicates required fields
C2CA
Netherlands
C2CA upcycles waste concrete into sustainable building materials, replacing virgin aggregates, sand, and cement to mitigate CO2 emissions.
SEGMENT: Recycling & Waste
"*" indicates required fields
Direct Carbon
Sweden
Direct Carbon offers cost-efficient carbon dioxide pumps, “Wunderpumpe,” to greenhouses for sustainable food production.
SEGMENT: Agriculture
"*" indicates required fields
EcothermiQ
Estonia, United Kingdom, Portugal, Romania
Easy-to-integrate proprietary hardware for indoor temperature regulation and ventilation, with ZERO energy from the grid.
SEGMENT: Energy Efficiency
"*" indicates required fields
Empyrio
Latvia
Empowering sustainable sewage sludge management for thousands of urban areas worldwide.
SEGMENT: Energy Storage
"*" indicates required fields
Enerpoly
Sweden
Cost-efficient, environmentally friendly and rechargeable zinc-ion batteries that store stationary energy for grid, residential, commercial and industrial uses.
SEGMENT: Energy Storage
"*" indicates required fields
Flower
Sweden
Flower is Sweden’s market leader in battery storage trading and optimization.
SEGMENT: Energy Storage
"*" indicates required fields
Graphmatech
Sweden
Graphmatech – unlocking the industrial potential of graphene! Giving materials, like polymers and metals, graphene´s unique properties.
SEGMENT: Advanced Materials
"*" indicates required fields
GRIDIO
Estonia
Smart Charging: as-a-service. The leading EV + solar optimisation platform enabling anyone to become a smart charging provider.
SEGMENT: Energy Infrastructure
"*" indicates required fields
Heliosync
Estonia & Germany
Heliosync provides an autonomous, modular, and scalable solar mirror alignment system that reduces Levelised Cost of Energy by up to 57%.
SEGMENT: Energy Infrastructure
"*" indicates required fields
Hydroyal
Sweden
Hydroyal produces the world’s first PGM-free CCMs for AEM electrolysis—making green hydrogen scalable, affordable, and sustainable.
SEGMENT: Energy Generation
"*" indicates required fields
Hydroyal
Denmark
Hydroyal produces the world’s first PGM-free CCMs for AEM electrolysis—making green hydrogen scalable, affordable, and sustainable.
SEGMENT: Energy Storage
"*" indicates required fields
Klimate
Denmark
Klimate is on a mission to accelerate the development of the carbon removal industry.
SEGMENT: Air and Environment
"*" indicates required fields
LifeBloom
Denmark
Lifebloom turns ultra-productive cyanobacteria into high-performance, sustainable ingredients for next generation personal care products.
SEGMENT: Advanced Materials
LifeBloom - CCD Deck Download
"*" indicates required fields
Mat4Green
Sweden
We are the sole suppler of critical material indium-tin-oxide for the European high-tech industry.
SEGMENT: Agriculture
"*" indicates required fields
Mine Storage
Sweden
A scalable energy storage company repurposing mines into a portfolio of pumped hydropower plants to store energy and balance power grids.
SEGMENT: Energy Storage
"*" indicates required fields
Myceen
Estonia
Carbon negative building materials that are 4 times cheaper than competitors – combining leftovers with mycelium.
SEGMENT: Advanced Materials
"*" indicates required fields
Naco Technologies
Latvia
Naco makes advanced nano-coatings for green technologies, boosting performance, cutting costs, and reducing critical material usage.
SEGMENT: Energy Efficiency
"*" indicates required fields
Nave Technologies
Latvia
Naco makes advanced nano-coatings for green technologies, boosting performance, cutting costs, and reducing critical material usage.
SEGMENT: Energy Efficiency
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Nordic Nano
Finland
We commercialise cutting-edge solar energy harvesting and storage solutions by applying advanced screen-printing and nanomaterials tech.
SEGMENT: Energy Generation
"*" indicates required fields
NPHarvest
Finland
NPHarvest turns wastewater into a local circular asset by extracting N and P nutrients in forms reusable as fertilizers.
SEGMENT: Water & Wastewater
NP Harvest - CCD Deck Download
"*" indicates required fields
Nudgd
Sweden
Award-winning B2B SaaS helping companies and cities to boost behavioral change and climate-friendly habits.
SEGMENT: Transportation and Logistics
"*" indicates required fields
Parostok
Ukraine
We increase profitability per hectare up to 65%+, accelerate growth up to 12 days, reduce climate risks when growing the main agricultural.
SEGMENT: Agriculture
Parostok - CCD Deck Download
"*" indicates required fields
PowerUP Energy
Estonia
PowerUP Energy Technologies develops and deploys cutting-edge hydrogen fuel cell generators for reliable, sustainable backup power solutions.
SEGMENT: Transportation and Logistics
"*" indicates required fields
RAIKU
Estonia
RAIKU is a cleantech company that has developed a breakthrough 100% natural packaging material and its production technology.
SEGMENT: Advanced Materials
"*" indicates required fields
Roofit.Solar
Estonia
Award-winning solar roofs that fuse Nordic design with cutting-edge tech — elegant, durable, and cost-efficient in one seamless solution.
SEGMENT: Manufacturing & Industrial
"*" indicates required fields
Sourceful Energy
Sweden
Sourceful Energy lets every home earn: connect your solar, battery & EV in minutes, cut bills and power a smarter, flexible grid.
SEGMENT: Energy Infrastructure
"*" indicates required fields
Stargate Hydrogen
Finland
Stargate Hydrogen’s goal is to make green hydrogen affordable for the hard-to-decarbonise industries like steel, fertilisers, and chemicals.
SEGMENT: Manufacturing and Industrial
"*" indicates required fields
Tegnology
Denmark, Sweden & Germany
Profitable solution by converting waste heat into sustainable electricity.
SEGMENT: Advanced Materials
"*" indicates required fields
Themo
Estonia
Themo is rethinking electric heaters to help accommodation industry save 50% from heating by making electric heaters earn money.
SEGMENT: Energy Efficiency
"*" indicates required fields
Zero-Terrain
Estonia
We deliver large-scale pumped hydro storage with ambition, proven expertise and execution power.
SEGMENT: Energy Efficiency
"*" indicates required fields

Our exclusive platform of Nordic and Baltic cleantech companies offers a unique opportunity for our international community network of investors, industrials, real estate companies, cities, service providers and the public sector.
We are the trusted source of cleantech-related investment opportunities, business intelligence and investment statistics in the Nordics.
Today we have more than 50 members, including venture funds, industrial ventures from leading multinational companies, energy companies, cities, service providers and government organizations. We have members from all continents with one common interest – Nordic and Baltic cleantech innovation.
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