22 Climate Tech & Green Tech Startups in Helsinki to Watch (and Work for) in 2023
Climate Tech & Green Tech is rapidly transforming the way we think about and interact with the world around us. Across Europe, but particulartly in Helsinki, Climate Tech & Green Tech startups are pushing boundaries, fixing problems worth solving, and reshaping the contours of their industry.
As we get into the end of 2023, we've curated a list of the top Climate Tech & Green Tech startups in Helsinki that are making waves. We update this list monthly by tracking activity in our database of 17,000 technology companies in Europe and sort them dynamically using our Seedtable score, ensuring objectivity.
Changelog
Last update: December 7, 2023. Added companies, investors and rounds. See changelog .
Rankings are calculated using our Seedtable score – a 1 to 100 score that uses quantitative and qualitative data points (examples are money raised or employees over time) to signal the momentum behind a company. A score closer to 100 indicates a company worth watching closely.
Featured companies in Company

Featured
Construction decarbonisation platform.
-
Latest Funding
$44 Million · Series B
-
Employees
1 to 10
-
Investors
PSG Equity, InfraVia Capital Partners
-
Business Model
B2B, SAAS
-
Industries
Climate Tech & Green Tech, Data and Analytics
-
Locations
Helsinki
-
Contact
•••••@oneclicklca.com
Unlock contact info
Featured
Rapidly scalable biochar carbon removal solution.
-
Latest Funding
$18 Million · Series A
-
Employees
11 to 50
-
Investors
True Ventures, Tesi, True Ventures, Wave Ventures, GenZero, Cherry Ventures, Lifeline Ventures, Lifeline Ventures
-
Business Model
B2B
-
Industries
Climate Tech & Green Tech, Energy & Nuclear
-
Locations
Helsinki
-
Contact
•••••@carboculture.com
Unlock contact info
Featured
Renewable energy producer.
-
Latest Funding
$240 Million
-
Employees
51 to 100
-
Business Model
B2B
-
Industries
Climate Tech & Green Tech, Energy & Nuclear, Manufacturing
-
Locations
Helsinki
-
Contact
•••••@ilmatar.fi
Unlock contact info
Full list of Climate Tech & Green Tech startups in Helsinki

Climate action planning platform for cities and governments.
-
Latest Funding
$930 Thousand · Seed
-
Industries
Climate Tech & Green Tech
-
Locations
Helsinki
-
Employees
1 to 10
-
Business Model
B2B, SAAS
-
Investors
Zubi Capital, Innovestor Ventures
-
Contact
•••••@kausal.tech
Unlock contact info
Ultrasonic cleaning technology for industrial applications.
-
Latest Funding
$5.7 Million
-
Industries
Climate Tech & Green Tech, Manufacturing
-
Locations
Helsinki
-
Employees
11 to 50
-
Business Model
B2B
-
Investors
Lifeline Ventures, Maki.vc, Business Finland
-
Contact
•••••@altumtechnologies.com
Unlock contact info
Biodegradable plastic producer.
-
Latest Funding
$17 Million
-
Industries
Climate Tech & Green Tech, Manufacturing, Supply Chain & Logistics
-
Locations
Helsinki
-
Employees
11 to 50
-
Business Model
B2B
-
Investors
Bonnier Ventures, Lifeline Ventures, Business Finland, Valve Ventures
-
Contact
•••••@sulapac.com
Unlock contact info
Cactos smart energy storage systems secure critical power supply locally and allow for efficient utilisation of renewable energy globally.
-
Latest Funding
$2.6 Million
-
Industries
Climate Tech & Green Tech, Energy & Nuclear, Manufacturing
-
Locations
Helsinki
-
Employees
1 to 10
-
Investors
Superhero Capital
-
Contact
•••••@cactos.fi
Unlock contact info
Ductor is a provider of proprietary technologies designed to secure efficient waste management production based on recycling.
-
Industries
Climate Tech & Green Tech, Agritech, Biotech, Energy & Nuclear, Manufacturing
-
Locations
Helsinki
-
Employees
11 to 50
-
Business Model
B2B
-
Contact
•••••@ductor.com
Unlock contact info
Canatu develops and manufactures innovative 3D formable and stretchable films and sensors for 3D touch surfaces and heater solutions.
-
Latest Funding
$18 Million
-
Industries
Climate Tech & Green Tech, Hardware, Deep Tech, Music and Audio, Mobility & Transportation, Robotics, Navigation and Mapping, Manufacturing, Electric Vehicles
-
Locations
Helsinki
-
Employees
51 to 100
-
Business Model
B2B
-
Contact
•••••@canatu.com
Unlock contact info
Cooler Future is a fintech startup developing transparent and effective impact investment solutions for the climate-conscious generation.
-
Latest Funding
$1.6 Million
-
Industries
Climate Tech & Green Tech, Fintech, Mobile, Energy & Nuclear, Investing, Personal Finance
-
Locations
Helsinki
-
Employees
11 to 50
-
Business Model
B2B
-
Investors
Lifeline Ventures, Nordic Makers
-
Contact
•••••@coolerfuture.com
Unlock contact info
API-First EV Charging Platform integrates payment, business systems, data and electricity management with EV charging service
-
Latest Funding
$770 Thousand · Pre Seed
-
Industries
Climate Tech & Green Tech, Hardware, Mobility & Transportation, Energy & Nuclear, Electric Vehicles
-
Locations
Helsinki
-
Employees
1 to 10
-
Business Model
B2B, SAAS
-
Investors
Nidoco
-
Contact
•••••@emabler.com
Unlock contact info
Eco-friendly wood fiber insulation.
-
Latest Funding
$3.2 Million · Seed
-
Industries
Climate Tech & Green Tech
-
Locations
Helsinki
-
Employees
11 to 50
-
Contact
•••••@fiberwood.fi
Unlock contact info
#Rens is connecting web3 to the real world via Sustainable Fashion.
-
Latest Funding
$3.4 Million · Seed
-
Industries
Climate Tech & Green Tech, Crypto & web3
-
Locations
Helsinki
-
Employees
11 to 50
-
Contact
•••••@rensoriginal.com
Unlock contact info
Endev is running a sports media business.
-
Latest Funding
$4.7 Million
-
Industries
Climate Tech & Green Tech, Energy & Nuclear, Manufacturing
-
Locations
Helsinki
-
Employees
1 to 10
-
Business Model
B2B
-
Contact
•••••@endev.fi
Unlock contact info
Reducing energy costs & emissions in buildings
-
Latest Funding
$130 Thousand · Pre Seed
-
Industries
Climate Tech & Green Tech, Proptech & Real Estate, Data and Analytics, Energy & Nuclear, Business Intelligence
-
Locations
Helsinki
-
Employees
1 to 10
-
Business Model
B2B, SAAS
-
Investors
Y Combinator, Nordic Makers
-
Contact
•••••@kapacity.io
Unlock contact info
Data-driven technologies, software and solutions for automated vertical farms
-
Latest Funding
$4 Million · Seed
-
Industries
Climate Tech & Green Tech, Agritech, Foodtech, Manufacturing
-
Locations
Helsinki
-
Employees
101 to 250
-
Business Model
B2B
-
Contact
•••••@ifarm.fi
Unlock contact info
Hukka AI is easy-to-use software to measure and reduce food waste in professional kitchens.
-
Latest Funding
$140 Thousand · Pre Seed
-
Industries
Climate Tech & Green Tech, Foodtech, AI, Machine Learning, Community & Lifestyle
-
Locations
Helsinki
-
Employees
1 to 10
-
Business Model
SAAS
-
Contact
•••••@hukka.ai
Unlock contact info
Nordtreat is a chemicals company, specialising in environmentally friendly flame retardants.
-
Latest Funding
$1.4 Million
-
Industries
Climate Tech & Green Tech, Proptech & Real Estate, Manufacturing
-
Locations
Helsinki
-
Employees
11 to 50
-
Business Model
B2B
-
Contact
•••••@nordtreat.com
Unlock contact info
Ori Solution is a clean energy company that revolutionizes the conversion of kinetic fluid and gas energy to electrical energy.
-
Latest Funding
$260 Thousand · Pre Seed
-
Industries
Climate Tech & Green Tech, Energy & Nuclear, Manufacturing
-
Locations
Helsinki
-
Employees
1 to 10
-
Business Model
B2B
-
Contact
•••••@orisolution.com
Unlock contact info
Parking Energy provides an electric car charging system for real estate properties.
-
Latest Funding
$1.1 Million
-
Industries
Climate Tech & Green Tech, Hardware, Proptech & Real Estate, Mobility & Transportation, Energy & Nuclear, Manufacturing, Electric Vehicles
-
Locations
Helsinki
-
Employees
11 to 50
-
Business Model
B2B
-
Contact
•••••@parkingenergy.com
Unlock contact info
Skand is a Nordic designer and producer of light electric vehicles that are suitable for all year round usage.
-
Latest Funding
$1 Million
-
Industries
Climate Tech & Green Tech, Hardware, Mobility & Transportation, Manufacturing, Electric Vehicles
-
Locations
Helsinki
-
Employees
11 to 50
-
Business Model
B2B
-
Contact
•••••@skandelectric.com
Unlock contact info
Stora Enso is the global rethinker of the paper, biomaterials, wood products and packaging industry.
-
Industries
Climate Tech & Green Tech, Energy & Nuclear
-
Locations
Helsinki
-
Employees
10001+
-
Contact
•••••@storaenso.com
Unlock contact info