Climentum Capital

Climentum Capital is a venture capital firm based in Copenhagen, Denmark, founded in 2021. The firm specializes in investing in early-stage climate tech companies in Europe, focusing on Seed+ and Series A funding rounds. Climentum Capital aims to support businesses that contribute to sustainable, low-carbon, and circular industries. The firm targets various sectors within climate technology, including alternative energy equipment, materials, and resources. With investment sizes ranging from EUR 1 million to EUR 5 million, Climentum Capital seeks to make a positive environmental impact through its financial backing of innovative solutions in the climate sector.

Morten Halborg

General Partner

Doerte Hirschberg

General Partner

Dörte Hirschberg

General Partner

Stefan Maard

General Partner

Stefan Mård

General Partner

18 past transactions

Novatron

Series A in 2025
Novatron is focused on developing a proprietary fusion power concept aimed at producing clean, sustainable energy. Collaborating with physicists, engineers, and academic institutions, the company seeks to create an energy system that not only reduces reliance on fossil fuels but also minimizes greenhouse gas emissions. By advancing fusion energy technology, Novatron aims to provide abundant and renewable energy solutions, contributing to a more sustainable future for humanity.

Scale Energy

Seed Round in 2025
Scale Energy develops Europe´s largest decentralized network of energy storage

Qvantum

Series C in 2025
Qvantum is a supplier of innovative and efficient energy solutions, specializing in the manufacturing of heat pump products aimed at decarbonizing the heating and cooling market. The company offers a range of heat pumps, including water-to-water, air-to-water, and exhaust air models. These products incorporate advanced features such as noise reduction, inverter technology, thermal storage, and indoor compression, allowing Qvantum to provide effective and sustainable heating and cooling solutions to its customers.

ecoLocked

Seed Round in 2024
ecoLocked focuses on transforming buildings into carbon sinks by converting captured carbon from local biomass residues into carbon-negative construction materials. The company offers a biocarbon platform that provides tailored recipes and drop-in-ready biocarbon admix materials, along with technical support for concrete producers. By utilizing its innovative materials, ecoLocked enables the permanent storage of CO2 within the built environment, significantly reducing the reliance on fossil raw materials and cement clinker. This approach not only enhances the sustainability of construction practices but also improves functionalities such as thermal insulation and durability, thereby creating a self-sustaining carbon dioxide removal business model.

ZeroPoint Technologies

Series A in 2024
ZeroPoint Technologies specializes in advanced memory compression technology that enhances energy efficiency and performance in data centers and smart devices. As energy consumption in the ICT sector rises, ZeroPoint's solutions address the need for improved performance per watt by eliminating unnecessary information from microchips. Their technology, which combines rapid data compression, real-time data compaction, and effective memory management, can deliver up to 50% more performance per watt. This innovation not only allows data centers to optimize energy usage but also enables smart device developers to enhance user experience without sacrificing battery life. With a strong patent portfolio and a foundation rooted in high-performance computing research, ZeroPoint collaborates with leading industry players to integrate its hardware IP into system-on-chip designs. The company, established by experts from academia and industry, has attracted talent from various sectors and successfully raised venture capital to support its growth and technological advancements.

Rodinia Generation

Seed Round in 2024
Rodinia Generation specializes in innovative technologies for sustainable clothing production, aiming to address the issue of overproduction in the fashion industry. The company has developed an automated production system that employs machines, robotic arms, and a sewing assembly line guided by a proprietary artificial intelligence algorithm. This technology enables the identification and efficient handling of garment pieces from different customers, ensuring that clients can produce only the necessary quantities of clothing. By doing so, Rodinia Generation significantly reduces waste, contributing to a more environmentally friendly approach to fashion manufacturing.

Aegir Insights

Series A in 2024
Aegir Insights ApS specializes in subscription analytics, software as a service (SaaS), and advisory services tailored for the offshore wind energy sector. The company caters to offshore wind developers, governments, and financial institutions, leveraging its extensive experience in project development, technology, investment strategies, and competitive tenders. By collaborating with prominent developers and regulators, Aegir Insights enables its clients to identify and capitalize on valuable opportunities within the offshore wind investment landscape. Through its innovative commercial products and insights, the company plays a crucial role in supporting the growth and efficiency of the offshore wind energy industry.

Novatron

Seed Round in 2023
Novatron is focused on developing a proprietary fusion power concept aimed at producing clean, sustainable energy. Collaborating with physicists, engineers, and academic institutions, the company seeks to create an energy system that not only reduces reliance on fossil fuels but also minimizes greenhouse gas emissions. By advancing fusion energy technology, Novatron aims to provide abundant and renewable energy solutions, contributing to a more sustainable future for humanity.

Kärnfull

Seed Round in 2023
Kärnfull is the first provider of 100% nuclear electricity in the Nordic region, operating in Sweden and Denmark. The company focuses on sustainable electricity production by supplying fossil-free energy from nuclear sources, known for its low carbon emissions of 2.5 grams CO2 per kilowatt-hour. Kärnfull employs a fully digital service model and utilizes Guarantees of Origin to ensure transparency and accountability in energy sourcing. The company aims to empower consumers, offering them the choice of electricity agreements that help manage costs while supporting the stability of energy grids and minimizing environmental impact. Kärnfull is backed by a group of pro-bono advisors with expertise in nuclear energy and sustainability, indicating a strong commitment to research and development in next-generation nuclear technology.

Jolt Electrodes

Series A in 2023
JOLT is a new generation of electrodes and electro-catalytic/protective coating solutions for hydrogen and water treatment electrolyzers. JOLT is accelerating the worldwide transition to green hydrogen by developing innovative solutions that will propel the world towards a more sustainable future.

Fermify

Seed Round in 2023
Fermify operates a digital B2B platform that allows dairy companies to produce precision fermentation-based casein, which is identical to cow casein, in a more sustainable manner and at over 50% lower costs. By utilizing advanced technology to domesticate microorganisms, the platform addresses the challenges of large-scale milk protein production, enabling cheese manufacturers to create cheese alternatives without reliance on cow's milk. This innovative approach caters to the growing demand for sustainable dairy solutions while ensuring consistency and quality in cheese production.

ZeroPoint Technologies

Seed Round in 2023
ZeroPoint Technologies specializes in advanced memory compression technology that enhances energy efficiency and performance in data centers and smart devices. As energy consumption in the ICT sector rises, ZeroPoint's solutions address the need for improved performance per watt by eliminating unnecessary information from microchips. Their technology, which combines rapid data compression, real-time data compaction, and effective memory management, can deliver up to 50% more performance per watt. This innovation not only allows data centers to optimize energy usage but also enables smart device developers to enhance user experience without sacrificing battery life. With a strong patent portfolio and a foundation rooted in high-performance computing research, ZeroPoint collaborates with leading industry players to integrate its hardware IP into system-on-chip designs. The company, established by experts from academia and industry, has attracted talent from various sectors and successfully raised venture capital to support its growth and technological advancements.

Wayout

Series A in 2023
Wayout specializes in environmentally sustainable drinking water solutions through its innovative microfactories, which enable local production of purified water. These systems are 100% plastic-free and utilize a variety of purification methods, including double reverse osmosis and UV treatment, to achieve medical-grade purity. By producing water locally, Wayout eliminates the need for long-distance transportation of bottled water, significantly reducing its ecological footprint. Each microfactory can serve around 300 households daily while preventing the disposal of up to 250,000 plastic bottles and reducing carbon dioxide emissions by 25 tons monthly. The plug-and-play units are designed for ease of operation, can utilize various local water sources, and can be powered by solar energy. Additionally, the entire system is connected to the cloud, allowing for real-time monitoring and management through a dedicated app, catering to the needs of different stakeholders.

Entocycle

Series A in 2023
Entocycle Ltd is an insect farming company based in London, United Kingdom, that specializes in producing insect-based protein for animal feed. Founded in 2014, the company raises black soldier fly larvae in an automated system designed to monitor their development and environmental conditions. By utilizing organic waste from farms, restaurants, and the catering industry, Entocycle efficiently converts this waste into a sustainable source of protein, contributing to both animal feed and organic waste management. The company serves various sectors, including feed suppliers, retailers, and the agricultural industry, aiming to facilitate a global transition to more sustainable protein sources.

Wayout

Series A in 2023
Wayout specializes in environmentally sustainable drinking water solutions through its innovative microfactories, which enable local production of purified water. These systems are 100% plastic-free and utilize a variety of purification methods, including double reverse osmosis and UV treatment, to achieve medical-grade purity. By producing water locally, Wayout eliminates the need for long-distance transportation of bottled water, significantly reducing its ecological footprint. Each microfactory can serve around 300 households daily while preventing the disposal of up to 250,000 plastic bottles and reducing carbon dioxide emissions by 25 tons monthly. The plug-and-play units are designed for ease of operation, can utilize various local water sources, and can be powered by solar energy. Additionally, the entire system is connected to the cloud, allowing for real-time monitoring and management through a dedicated app, catering to the needs of different stakeholders.

Qvantum

Series B in 2023
Qvantum is a supplier of innovative and efficient energy solutions, specializing in the manufacturing of heat pump products aimed at decarbonizing the heating and cooling market. The company offers a range of heat pumps, including water-to-water, air-to-water, and exhaust air models. These products incorporate advanced features such as noise reduction, inverter technology, thermal storage, and indoor compression, allowing Qvantum to provide effective and sustainable heating and cooling solutions to its customers.

one • fıve

Seed Round in 2022
one • fıve offers individualised, cleaner, and circular packaging solutions in a brisk amount of time in order to have a demonstrable, beneficial effect on the environment.

Continuum Composite Recycling

Seed Round in 2022
Continuum Composite Recycling collects products and manufacturing waste, it then undergoes material reclamation and reprocessing processes like cutting, milling, breaking, screening, gravity-separating, sorting, sifting, cleaning, storing, and creating new composites, giving industries a way to convert composite materials into new and improved products.
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