PDENH

PDENH is an investment management firm based in Amsterdam, Noord-Holland, that focuses on venture capital and private equity investments. Founded in 2014, the firm aims to identify and support innovative companies and projects, providing the necessary capital and expertise to foster growth and development in various sectors.

Joost de Waard

Investment Manager

38 past transactions

Thorizon

Series A in 2025
Thorizon is a deep-tech startup that has emerged from its origins as a spin-off of the Dutch Nuclear Research Institute, with offices located in Amsterdam and Lyon. The company is focused on developing thorium molten salt reactor technology, which aims to produce clean and stable energy by utilizing a combination of long-lived nuclear waste and thorium. This innovative approach not only aims to generate safe, carbon dioxide-free energy but also seeks to significantly reduce the longevity of nuclear waste. Thorizon envisions the development of a small modular reactor, named Thorizon One, which is designed to be 'walk-away' safe and promote circularity in energy production. The company is actively collaborating with industry leaders such as Orano, Tractebel, and EDF to enhance its reactor design. Thorizon has also been recognized as a laureate in the France 2030 program for advanced nuclear projects and is focused on strengthening its financial position to build a non-nuclear molten salt demonstrator in the short term, with plans to construct the first-of-a-kind reactor by 2030.

Sympower

Series B in 2024
Sympower is a developer of sustainable energy solutions focused on enhancing the flexibility of energy users to support a balanced electricity grid. The company partners with industry leaders to facilitate the transition to a net-zero future by unlocking revenue streams and providing stability in energy markets. Utilizing advanced, automated software, Sympower enables clients to temporarily adjust the power of their systems and processes in response to grid imbalances. Their innovative approach aggregates electrical appliances and integrates them into a smart system, allowing for the shifting of energy usage to more economical times. This empowers customers to leverage their existing flexibility, contributing to a fully renewable energy grid while enhancing the value of their energy assets.

EST-Floattech

Venture Round in 2024
EST-Floattech BV is a Dutch energy technology company that specializes in the development and manufacture of advanced energy storage systems utilizing lithium polymer batteries. Founded in 2009 and headquartered in Medemblik, the Netherlands, the company focuses on providing innovative energy solutions for fully electric and hybrid applications in both maritime and mobile land-based sectors. EST-Floattech's product portfolio includes a wide range of intelligent energy storage systems designed to enhance the efficiency and environmental sustainability of various maritime operations, including superyachts, fishing vessels, ferries, and workboats. By offering reliable and robust energy solutions, the company aims to significantly reduce harmful emissions, such as nitrogen oxides and carbon dioxide, while also minimizing engine noise and unpleasant odors, thereby contributing to a cleaner and healthier environment.

E-magy

Series A in 2023
E-magy is an advanced materials company based near Amsterdam, The Netherlands, specializing in the supply of nano-porous silicon for high-energy lithium-ion batteries. The company's innovative silicon product offers a 40% increase in energy density and is designed to be compatible with existing Gigafactory production lines, allowing for scalable manufacturing. E-magy employs a team of specialists with over 20 years of experience in silicon crystallization, focusing on enhancing battery performance for automotive and battery manufacturers. By utilizing an efficient silicon crystallization process along with standard post-processing steps, E-magy aims to deliver batteries that support long-range capabilities and fast charging at competitive costs, ultimately contributing to the advancement of clean, electrically-powered mobility.

Dexter Energy

Series B in 2023
Dexter Energy Services B.V., established in 2016 and headquartered in Amsterdam, Netherlands, specializes in cloud-based energy management systems. The company offers electricity forecasting and data management services, primarily serving energy utilities and retailers. Its platform provides load, price, and imbalance forecasting, optimization services for energy trading strategies, energy data analytics, and simulations for asset and energy trading decisions. Dexter's solutions leverage artificial intelligence and cloud technology, integrating diverse external data sources and customer data to deliver accurate forecasts, thereby enhancing efficiency and reducing costs.

Fairphone

Venture Round in 2023
Fairphone is a company based in Amsterdam, established in 2010 by Bas van Abel, that focuses on creating ethically sourced smartphones. These devices are designed for basic functionalities such as calling, texting, and internet browsing. Fairphone emphasizes a completely transparent supply chain, ensuring that the materials used in their smartphones are sourced responsibly. This approach allows consumers to contribute positively to social and environmental outcomes throughout the entire life cycle of the phone, from production to disposal.

Triple Solar

Venture Round in 2023
Triple Solar is a company focused on providing sustainable energy solutions for homes and buildings, enabling them to operate without natural gas. It specializes in manufacturing photovoltaic thermal (PVT) heat pump systems designed to efficiently generate electricity, heating, and hot water. The PVT system combines heat pump panels with a PVT heat pump, allowing it to convert solar energy and utilize heat from the panels to deliver sustainable heating, cooling, hot water, and electricity around the clock, even in cloudy or frosty conditions.

Cargoroo

Seed Round in 2022
Cargoroo is a provider of an app-based platform that facilitates the rental of electric cargo bikes, making them accessible to a broader audience. The service enables users to find, select, and reserve electric cargo bikes for transporting goods, groceries, parcels, personal items, or passengers. Cargoroo aims to promote sustainable urban mobility by encouraging individuals and families, as well as small businesses, to opt for e-cargo bikes instead of cars, thereby reducing congestion and environmental impact in urban areas. The bikes are available for rent by the hour at fixed locations within cities, offering a practical and efficient alternative for urban transport needs.

Sympower

Series B in 2022
Sympower is a developer of sustainable energy solutions focused on enhancing the flexibility of energy users to support a balanced electricity grid. The company partners with industry leaders to facilitate the transition to a net-zero future by unlocking revenue streams and providing stability in energy markets. Utilizing advanced, automated software, Sympower enables clients to temporarily adjust the power of their systems and processes in response to grid imbalances. Their innovative approach aggregates electrical appliances and integrates them into a smart system, allowing for the shifting of energy usage to more economical times. This empowers customers to leverage their existing flexibility, contributing to a fully renewable energy grid while enhancing the value of their energy assets.

ChainCraft

Series C in 2022
ChainCraft is a company focused on mixed culture fermentation technology aimed at producing sustainable bio-based chemicals for the chemical, food, and feed industries. Their innovative approach utilizes waste mitigation services to convert low-grade organic residues, such as food waste, agricultural byproducts, and the organic fraction of municipal solid waste, into high-value fatty acids. By transforming biobased organic waste streams into valuable chemical building blocks, ChainCraft offers a competitive alternative to traditional industry-produced chemicals, promoting environmental sustainability and resource efficiency in the chemical industry.

Thorizon

Venture Round in 2022
Thorizon is a deep-tech startup that has emerged from its origins as a spin-off of the Dutch Nuclear Research Institute, with offices located in Amsterdam and Lyon. The company is focused on developing thorium molten salt reactor technology, which aims to produce clean and stable energy by utilizing a combination of long-lived nuclear waste and thorium. This innovative approach not only aims to generate safe, carbon dioxide-free energy but also seeks to significantly reduce the longevity of nuclear waste. Thorizon envisions the development of a small modular reactor, named Thorizon One, which is designed to be 'walk-away' safe and promote circularity in energy production. The company is actively collaborating with industry leaders such as Orano, Tractebel, and EDF to enhance its reactor design. Thorizon has also been recognized as a laureate in the France 2030 program for advanced nuclear projects and is focused on strengthening its financial position to build a non-nuclear molten salt demonstrator in the short term, with plans to construct the first-of-a-kind reactor by 2030.

Sympower

Venture Round in 2022
Sympower is a developer of sustainable energy solutions focused on enhancing the flexibility of energy users to support a balanced electricity grid. The company partners with industry leaders to facilitate the transition to a net-zero future by unlocking revenue streams and providing stability in energy markets. Utilizing advanced, automated software, Sympower enables clients to temporarily adjust the power of their systems and processes in response to grid imbalances. Their innovative approach aggregates electrical appliances and integrates them into a smart system, allowing for the shifting of energy usage to more economical times. This empowers customers to leverage their existing flexibility, contributing to a fully renewable energy grid while enhancing the value of their energy assets.

30MHz

Series B in 2021
30MHz is a technology company that specializes in developing sensory data platforms for agriculture and horticulture. Their flagship product, ZENSIE, is designed to monitor crops in real-time, providing users with comprehensive insights into climatic conditions and historical crop experiences. The platform offers live alerts and remote monitoring capabilities, accessible from any device. This enables clients to respond quickly to current conditions, optimize their operations, and achieve higher productivity and profitability. By leveraging sensory data, 30MHz helps agricultural and horticultural businesses reduce overhead costs and unlock hidden potentials in their physical environments.

The Next Closet

Venture Round in 2021
The Next Closet is an online peer-to-peer marketplace based in the Netherlands that specializes in secondhand designer clothing and accessories. Positioned as a sustainable alternative in the fashion industry, the company allows users to sell their unused designer pieces while providing an opportunity for others to purchase unique items at competitive prices. By facilitating this exchange, The Next Closet aims to promote sustainability and reduce waste in the fashion sector, making a lasting impact on consumer habits. The platform is designed to be user-friendly, enabling individuals to easily manage their own "closets" and contribute to a circular fashion economy.

Triple Solar

Venture Round in 2021
Triple Solar is a company focused on providing sustainable energy solutions for homes and buildings, enabling them to operate without natural gas. It specializes in manufacturing photovoltaic thermal (PVT) heat pump systems designed to efficiently generate electricity, heating, and hot water. The PVT system combines heat pump panels with a PVT heat pump, allowing it to convert solar energy and utilize heat from the panels to deliver sustainable heating, cooling, hot water, and electricity around the clock, even in cloudy or frosty conditions.

MX3D

Venture Round in 2021
MX3D is a company that specializes in large-scale robotic 3D printing technology, particularly focusing on metal fabrication using wire arc additive manufacturing (WAAM). Recognized as an industry leader, MX3D offers a comprehensive turnkey solution that integrates sensors, software, robots, and welding equipment into a single product. Their proprietary software, MetalXL, is designed specifically for WAAM and includes features such as computer-aided manufacturing (CAM), feasibility checks, tool path planning, active monitoring, and data logging, all aimed at simplifying the 3D printing process. In addition to licensing their technology, MX3D also provides print-on-demand services, allowing clients across various industries to access cost-effective and flexible solutions for producing large-scale metal objects. The company further supports potential customers by manufacturing parts in-house, facilitating a smoother transition to adopting their innovative 3D printing technology.

Sympower

Series B in 2021
Sympower is a developer of sustainable energy solutions focused on enhancing the flexibility of energy users to support a balanced electricity grid. The company partners with industry leaders to facilitate the transition to a net-zero future by unlocking revenue streams and providing stability in energy markets. Utilizing advanced, automated software, Sympower enables clients to temporarily adjust the power of their systems and processes in response to grid imbalances. Their innovative approach aggregates electrical appliances and integrates them into a smart system, allowing for the shifting of energy usage to more economical times. This empowers customers to leverage their existing flexibility, contributing to a fully renewable energy grid while enhancing the value of their energy assets.

Dexter Energy

Series A in 2021
Dexter Energy Services B.V., established in 2016 and headquartered in Amsterdam, Netherlands, specializes in cloud-based energy management systems. The company offers electricity forecasting and data management services, primarily serving energy utilities and retailers. Its platform provides load, price, and imbalance forecasting, optimization services for energy trading strategies, energy data analytics, and simulations for asset and energy trading decisions. Dexter's solutions leverage artificial intelligence and cloud technology, integrating diverse external data sources and customer data to deliver accurate forecasts, thereby enhancing efficiency and reducing costs.

E-magy

Venture Round in 2021
E-magy is an advanced materials company based near Amsterdam, The Netherlands, specializing in the supply of nano-porous silicon for high-energy lithium-ion batteries. The company's innovative silicon product offers a 40% increase in energy density and is designed to be compatible with existing Gigafactory production lines, allowing for scalable manufacturing. E-magy employs a team of specialists with over 20 years of experience in silicon crystallization, focusing on enhancing battery performance for automotive and battery manufacturers. By utilizing an efficient silicon crystallization process along with standard post-processing steps, E-magy aims to deliver batteries that support long-range capabilities and fast charging at competitive costs, ultimately contributing to the advancement of clean, electrically-powered mobility.

S4 Energy

Debt Financing in 2020
S4 Energy is a Netherlands-based company that specializes in developing and delivering customized energy storage solutions aimed at stabilizing the supply and demand of renewable energy. Founded in 2010 and headquartered in Rotterdam, S4 Energy collaborates with grid operators, energy consumers, and renewable energy sources. The company offers a range of services, including frequency containment reserve services for the Dutch grid operator TenneT TSO, and it manufactures KINEXT units in Almelo. S4 Energy provides comprehensive solutions encompassing design, construction, and maintenance, along with software that analyzes energy flows for optimized management. Its hardware offerings include various storage technologies such as kinetic storage (flywheels), chemical storage (batteries), electrolytic storage (capacitors), and power conversion systems. By integrating innovative technologies with economic insights, S4 Energy focuses on delivering reliable and cost-effective energy solutions for energy generation, transport, distribution, industrial consumers, and public infrastructure.

E-magy

Venture Round in 2020
E-magy is an advanced materials company based near Amsterdam, The Netherlands, specializing in the supply of nano-porous silicon for high-energy lithium-ion batteries. The company's innovative silicon product offers a 40% increase in energy density and is designed to be compatible with existing Gigafactory production lines, allowing for scalable manufacturing. E-magy employs a team of specialists with over 20 years of experience in silicon crystallization, focusing on enhancing battery performance for automotive and battery manufacturers. By utilizing an efficient silicon crystallization process along with standard post-processing steps, E-magy aims to deliver batteries that support long-range capabilities and fast charging at competitive costs, ultimately contributing to the advancement of clean, electrically-powered mobility.

Sympower

Series A in 2019
Sympower is a developer of sustainable energy solutions focused on enhancing the flexibility of energy users to support a balanced electricity grid. The company partners with industry leaders to facilitate the transition to a net-zero future by unlocking revenue streams and providing stability in energy markets. Utilizing advanced, automated software, Sympower enables clients to temporarily adjust the power of their systems and processes in response to grid imbalances. Their innovative approach aggregates electrical appliances and integrates them into a smart system, allowing for the shifting of energy usage to more economical times. This empowers customers to leverage their existing flexibility, contributing to a fully renewable energy grid while enhancing the value of their energy assets.

Dexter Energy

Seed Round in 2019
Dexter Energy Services B.V., established in 2016 and headquartered in Amsterdam, Netherlands, specializes in cloud-based energy management systems. The company offers electricity forecasting and data management services, primarily serving energy utilities and retailers. Its platform provides load, price, and imbalance forecasting, optimization services for energy trading strategies, energy data analytics, and simulations for asset and energy trading decisions. Dexter's solutions leverage artificial intelligence and cloud technology, integrating diverse external data sources and customer data to deliver accurate forecasts, thereby enhancing efficiency and reducing costs.

Tankwell

Venture Round in 2019
Tankwell offers tank containers, which are the solution for making the liquid logistics sector more sustainable and efficient. They provide the development and production of lightweight composite tank containers for the bulk logistics of liquids.

Asperitas

Venture Round in 2019
Asperitas is a clean-tech company dedicated to transforming the datacentre industry through its innovative Immersed Computing technology. Since its establishment in 2014, Asperitas has focused on developing and validating this unique approach, which integrates liquid immersion cooling with power and network components. By enhancing existing cooling technologies and prioritizing design and engineering for usability, Asperitas has created a comprehensive solution that promotes sustainability in data centers. This immersion cooling system not only improves performance and reliability but also helps businesses reduce emissions and lower energy consumption, addressing the industry's growing demands for environmentally friendly practices.

MUD Jeans

Venture Round in 2019
MUD Jeans is a manufacturer of denim-based clothing that focuses on sustainable fashion. The company offers a range of products, including jeans, shirts, bags, shorts, and jackets, all made from natural materials, as well as organic and recycled cotton. MUD Jeans operates an online marketplace that features a unique leasing model, allowing customers to rent jeans and later trade them for a new pair. This circular design approach promotes sustainability by encouraging the reuse and recycling of materials, enabling consumers to make environmentally conscious choices in their clothing purchases.

MX3D

Venture Round in 2019
MX3D is a company that specializes in large-scale robotic 3D printing technology, particularly focusing on metal fabrication using wire arc additive manufacturing (WAAM). Recognized as an industry leader, MX3D offers a comprehensive turnkey solution that integrates sensors, software, robots, and welding equipment into a single product. Their proprietary software, MetalXL, is designed specifically for WAAM and includes features such as computer-aided manufacturing (CAM), feasibility checks, tool path planning, active monitoring, and data logging, all aimed at simplifying the 3D printing process. In addition to licensing their technology, MX3D also provides print-on-demand services, allowing clients across various industries to access cost-effective and flexible solutions for producing large-scale metal objects. The company further supports potential customers by manufacturing parts in-house, facilitating a smoother transition to adopting their innovative 3D printing technology.

EST-Floattech

Venture Round in 2019
EST-Floattech BV is a Dutch energy technology company that specializes in the development and manufacture of advanced energy storage systems utilizing lithium polymer batteries. Founded in 2009 and headquartered in Medemblik, the Netherlands, the company focuses on providing innovative energy solutions for fully electric and hybrid applications in both maritime and mobile land-based sectors. EST-Floattech's product portfolio includes a wide range of intelligent energy storage systems designed to enhance the efficiency and environmental sustainability of various maritime operations, including superyachts, fishing vessels, ferries, and workboats. By offering reliable and robust energy solutions, the company aims to significantly reduce harmful emissions, such as nitrogen oxides and carbon dioxide, while also minimizing engine noise and unpleasant odors, thereby contributing to a cleaner and healthier environment.

CoVadem

Seed Round in 2018
CoVadem is a technology company that specializes in depth measurement and forecasting for inland shipping. By connecting individual sensors and devices, CoVadem transforms isolated data into valuable information that enhances business and infrastructure decisions. Its platform collects data from inland navigation vessels to accurately map current and anticipated water depths on shipping routes. This innovative approach provides the inland waterways transport industry with essential insights into performance and river behavior, ultimately supporting improved vessel development and operational efficiency. Through the application of collaborative big data principles, CoVadem offers a competitive advantage to ship owners and operators, facilitating enhanced decision-making in the sector.

Fairphone

Venture Round in 2018
Fairphone is a company based in Amsterdam, established in 2010 by Bas van Abel, that focuses on creating ethically sourced smartphones. These devices are designed for basic functionalities such as calling, texting, and internet browsing. Fairphone emphasizes a completely transparent supply chain, ensuring that the materials used in their smartphones are sourced responsibly. This approach allows consumers to contribute positively to social and environmental outcomes throughout the entire life cycle of the phone, from production to disposal.

Volgroen

Venture Round in 2018
Volgroen BV is a Netherlands-based company founded in 2011, headquartered in Amersfoort, Utrecht. The company specializes in providing financial products tailored for energy-saving solutions in the business sector. Volgroen focuses on financing projects that enhance energy efficiency, including the replacement of traditional lighting with LED systems, the installation of solar panels, and the use of biomass for energy generation. By supporting these initiatives, Volgroen enables businesses to promote sustainability and reduce their environmental impact.

The Next Closet

Funding Round in 2018
The Next Closet is an online peer-to-peer marketplace based in the Netherlands that specializes in secondhand designer clothing and accessories. Positioned as a sustainable alternative in the fashion industry, the company allows users to sell their unused designer pieces while providing an opportunity for others to purchase unique items at competitive prices. By facilitating this exchange, The Next Closet aims to promote sustainability and reduce waste in the fashion sector, making a lasting impact on consumer habits. The platform is designed to be user-friendly, enabling individuals to easily manage their own "closets" and contribute to a circular fashion economy.

Brouwerij de 7 Deugden

Debt Financing in 2017
Brouwerij de 7 Deugden is a brewery located in the west of Amsterdam, specializing in the production of beers infused with herbs and spices. The brewery focuses on creating customized beers using biological raw materials, ensuring a unique flavor profile that highlights the natural tastes of the ingredients. Additionally, Brouwerij de 7 Deugden features a tasting room that provides an inclusive environment for individuals who may find regular employment challenging. This initiative not only enhances the customer experience for beer enthusiasts but also promotes social responsibility by supporting those in need of alternative work opportunities.

ChainCraft

Series B in 2017
ChainCraft is a company focused on mixed culture fermentation technology aimed at producing sustainable bio-based chemicals for the chemical, food, and feed industries. Their innovative approach utilizes waste mitigation services to convert low-grade organic residues, such as food waste, agricultural byproducts, and the organic fraction of municipal solid waste, into high-value fatty acids. By transforming biobased organic waste streams into valuable chemical building blocks, ChainCraft offers a competitive alternative to traditional industry-produced chemicals, promoting environmental sustainability and resource efficiency in the chemical industry.

B4Energy

Seed Round in 2016
B4Energy is driving a company in the field of green gas production, based on fermentation of biomass.

Ecorus

Seed Round in 2015
Ecorus is a company specializing in solar energy projects, focusing on the development, installation, and maintenance of solar panels for various applications, including residential roofs and solar parks. It manages the entire process for its clients, ensuring a seamless transition to eco-friendly energy sources. By designing and operating solar energy systems, Ecorus enables businesses and homeowners to adopt sustainable and efficient energy solutions, contributing to a cleaner environment. The company's commitment to renewable energy positions it as a key player in the solar industry.

MX3D

MX3D is a company that specializes in large-scale robotic 3D printing technology, particularly focusing on metal fabrication using wire arc additive manufacturing (WAAM). Recognized as an industry leader, MX3D offers a comprehensive turnkey solution that integrates sensors, software, robots, and welding equipment into a single product. Their proprietary software, MetalXL, is designed specifically for WAAM and includes features such as computer-aided manufacturing (CAM), feasibility checks, tool path planning, active monitoring, and data logging, all aimed at simplifying the 3D printing process. In addition to licensing their technology, MX3D also provides print-on-demand services, allowing clients across various industries to access cost-effective and flexible solutions for producing large-scale metal objects. The company further supports potential customers by manufacturing parts in-house, facilitating a smoother transition to adopting their innovative 3D printing technology.
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