HTGF | High-Tech Gruenderfonds
High-Tech Gründerfonds Management GmbH is a venture capital firm based in Bonn, Germany, specializing in early-stage investments in high-tech startups. Established in 2005, the firm focuses on technology-driven companies across various sectors, including information and communication technology, life sciences, healthcare, automation, and cleantech. HTGF typically invests in companies that have been operational for no more than one year, aiming to contribute up to €0.6 million in initial funding and up to €3 million in follow-on financing. The firm seeks a minority stake, generally around 15%, and provides a subordinated loan convertible into equity, with deferred interest for up to four years to support liquidity. With a total investment volume of approximately €895.5 million across three funds, HTGF has successfully supported over 500 startups and attracted more than €2 billion in follow-on investments from external sources. The firm's investors include notable public and private entities, underscoring its role as a key player in fostering innovation and growth within the German startup ecosystem.
Top Sectors
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Past deals in CleanTech
eeden
Series A in 2025
eeden is a recycling technology company focused on chemical textile recycling to reclaim cellulose and polyester from polycotton blends. Its patented process separates and recovers these materials to provide outputs that can replace virgin resources in the manufacture of high-quality clothing. By enabling recovery from blended textiles, eeden helps brands reduce dependence on virgin inputs, cut textile waste, and meet evolving environmental regulations. The company also targets conversion of recovered fibers into materials suitable for downstream use, including lyocell or viscose, and pursues scale-upcycling technologies to repurpose textile waste into new products. Through these efforts, eeden aims to accelerate the apparel industry's shift toward a circular economy and offer a pathway to more sustainable textile production.
node.energy
Series B in 2025
node.energy develops software-as-a-service solutions for managing decentralized energy systems in commercial and industrial real estate. Its platform optimizes local energy microgrids, reducing administrative workload, energy costs, and carbon footprint while ensuring regulatory compliance.
ctrl+s
Seed Round in 2025
Ctrl+s is a business that specializes in providing high-resolution supply chain data to facilitate decarbonization and promote sustainable practices. It has developed a carbon management platform that helps businesses streamline their supply chain decarbonization efforts. The platform combines deep statistical data with supplier survey insights, enabling companies to effectively monitor their emissions, set reduction targets, and engage suppliers in reducing their carbon footprint.
Variolytics
Venture Round in 2025
Variolytics is a developer of advanced measurement technologies, specializing in mass spectrometry for environmental applications, particularly in sewage treatment plants. The company focuses on measuring all gas components, including greenhouse gases, within aeration tanks. Variolytics offers a range of products including measuring devices, sensor technologies, and monitoring systems that facilitate accurate data collection and process integration. In addition to its innovative measurement solutions, the company conducts process engineering research and development, providing expert advice and implementation services to help businesses optimize their industrial processes. By delivering insights into process dynamics, Variolytics enables companies to make informed decisions and enhance operational efficiency.
alteva
Pre Seed Round in 2025
Alteva is a technology company specializing in the development of advanced battery cells. Its primary focus is on creating high-energy density, safety-conscious batteries tailored for the decarbonization of hard-to-electrify transport sectors such as aviation and heavy-duty vehicles. The company's innovative approach involves the use of ultralight carbon materials and sustainable raw materials, aiming to enhance battery performance, longevity, and compatibility with existing production facilities.
IonKraft
Seed Round in 2024
IonKraft, a German technology company, specializes in plasma coating for multi-material plastic containers. Their innovative plasma-enhanced chemical vapor deposition process enables recyclability of complex packaging, serving industries such as food, pharmaceuticals, cosmetics, and chemicals. By promoting material reduction and reuse, IonKraft aims to enhance performance while lowering costs, with support from the German Federal Ministry for Economic Affairs and Energy.
Autarkize
Seed Round in 2024
Autarkize is a developer of a patented pyrolysis system technology that focuses on achieving energy and fertilizer self-sufficiency through the carbonization of residual biomasses. The company offers a market-ready system that extracts high-quality gas composed of methane and hydrogen from various biomass residues in a decentralized manner. Its technology is capable of processing all types and amounts of biomass, resulting in significantly higher energy density compared to traditional carbonization systems. Additionally, the process generates biochar, which enhances soil quality and contributes to the reduction of greenhouse gas emissions. By enabling industrial companies to promote energy cleaning and decarbonization, Autarkize plays a vital role in advancing sustainable energy solutions.
Aerleum
Seed Round in 2024
Aerleum develops innovative technology that captures CO2 and converts it into clean fuels and chemicals, aiming to reduce greenhouse gas emissions and promote sustainability.
BIOVOX
Seed Round in 2024
BIOVOX develops sustainable plastic materials tailored for healthcare applications. Their compounds are renewable, degradable, recyclable, and offer rigidity, surface hardness, and transparency, enabling medical manufacturers to reduce environmental impact while maintaining high safety standards.
Caeli Wind
Series A in 2024
Caeli Wind is a digital marketplace focused on enhancing the wind energy sector by identifying optimal locations for wind turbine projects. The company employs advanced AI-supported analysis to assess various factors, such as regional planning, grid connections, and economic efficiency, ensuring comprehensive evaluations of wind potential. By creating a cloud-based platform, Caeli Wind connects landowners with project developers, facilitating streamlined marketing efforts and accelerating the implementation of wind energy projects. Its mission is to promote the widespread adoption of wind turbines and improve the overall success rate of projects within the wind industry.
Proxima Fusion
Seed Round in 2024
Proxima Fusion develops innovative fusion power plants using optimized stellarators. These magnetic confinement devices aim to generate emissions-free power through nuclear fusion, providing a clean and safe energy source.
Cyclize
Seed Round in 2024
Cyclize is a technology company focused on decarbonizing the chemical industry. It develops a proprietary process that converts mixed plastic waste and CO2 into syngas, a versatile intermediate used to produce various chemicals and fuels. This process aims to replace fossil feedstock, such as natural gas, reducing reliance on non-renewable resources and minimizing greenhouse gas emissions.
Rabot Energy
Series A in 2024
Rabot Energy is a progressive green electricity supplier offering flexible and intelligent tariffs for residential customers and electric vehicles. Its platform utilizes real-time market data to optimize charging schedules, helping users save money, reduce their carbon footprint, and simplify vehicle ownership.
instagrid
Series C in 2024
Instagrid GmbH, founded in 2018 and based in Stuttgart, Germany, specializes in the manufacturing of portable battery storage systems designed to create mobile power infrastructures for various sectors, including construction, event technology, landscaping, and public services. The company's innovative products feature a unique architecture of stacked micro-level inverters, which allows them to be smaller, lighter, and more powerful than traditional battery systems. Instagrid's portable power solutions provide reliable access to clean, affordable, and silent electricity, effectively replacing environmentally harmful petrol and diesel generators. By enabling users to operate efficiently at temporary locations, Instagrid plays a crucial role in meeting the energy demands of industries with challenging power requirements.
INERATEC
Series B in 2024
INERATEC develops sustainable fuels and power-to-X plants to replace fossil fuels with carbon-neutral alternatives. The company focuses on renewable e-fuels and synthetic chemical products that enable transportation and industrial processes to run on climate-friendly energy. It produces renewable hydrogen and other greenhouse gases, which are transformed into products such as e-kerosene, carbon dioxide-neutral diesel, synthetic waxes, and methanol, allowing chemical plants to operate using synthetic fuels with climate-neutral energy, reduced chemical waste, and enhanced climate protection.
COLIPI
Seed Round in 2024
COLIPI valorizes CO2 into oils using proprietary biotechnology. Its decarbonized oils help corporates achieve net-zero goals by reducing scope 3 greenhouse gas emissions.
Soluterials
Seed Round in 2023
Soluterials manufactures innovative, high-performance pure aluminium materials designed to promote sustainability and combat climate change. Their products leverage the natural properties of aluminium, such as conductivity and corrosion resistance, to provide solutions for functional and structural lightweight construction.
Resourcify
Series A in 2023
Resourcify GmbH, established in 2015 and headquartered in Hamburg, Germany, specializes in developing and operating a neutral cloud platform for waste management. This platform enables businesses to efficiently manage their waste and recycling operations online, reducing administrative tasks by up to 40% compared to conventional methods. Key features include container pick-up scheduling, real-time collection tracking, documentation management, and legally compliant reporting. Trusted by global corporations such as Cargill and McDonald's, Resourcify aims to facilitate a zero-waste future through digital transformation of recycling processes.
traceless materials
Series A in 2023
traceless materials is offering a holistically sustainable alternative to plastics and bioplastics. With our first-of-a-kind biomaterial it’s our mission to contribute to solving global plastic pollution.
Our innovative technology filed for patent allows to use food production residues to produce materials that are compostable under natural composting conditions. While bio-based, our materials don’t compete with food nor cause land-use-change, don’t need hazardous additives or solvents and have up to 95% lower CO2 emissions. Our materials are neither chemically modified nor synthetically polymerized, therefore they will not fall under the EU Single Use Plastic Directive.
Follow us on our journey, and become a part of the solution, not the pollution!
Wirelane
Venture Round in 2023
Wirelane designs and develops electric vehicle charging infrastructure and provides installation, software integration, maintenance, and operation services. It offers complete solutions for building, operating, and marketing charging networks, including cutting-edge charging technology, a digital management and billing platform, and comprehensive service modules. The company focuses on managing charging infrastructure and charging processes for electric vehicles, enabling clients to deploy extensive charging networks. Headquartered in Saarbrücken, Germany, Wirelane has been active since 2016.
sewts
Series A in 2023
sewts GmbH, founded in 2019 and located in Munich, Germany, specializes in automation technology focused on the processing of easily deformable materials, particularly textiles. The company collaborates with the Technical University of Munich to create finite element (FE) simulations that accurately replicate textile behavior. Its flagship product, Velum, is an AI-driven technology that analyzes textiles and converts insights into robotic commands. This innovative solution supports real-time motion and trajectory planning, enabling efficient control of industrial robots and coordination among multiple robots. sewts' technology streamlines complex manual processes in industrial settings, such as laundries and garment manufacturing, while promoting sustainability and innovation in production methods. The company is supported by several investors, including APEX Ventures and Bayern Kapital, which underscores its commitment to advancing the robotics and textile industries.
ReCatalyst
Seed Round in 2023
ReCatalyst develops advanced catalysts for next-generation PEM fuel cells. It specializes in creating patented platinum-alloy nano-catalysts that enhance stability and reduce platinum usage, aiming to facilitate the decarbonization of energy and transport sectors through applications like green hydrogen production.
PlastFormance
Venture Round in 2023
PlastFormance is a manufacturer specializing in high-performance plastic compounds. It develops innovative chemical processes to enhance the properties of these compounds, notably increasing their filler content while retaining injection-molding capabilities. The company's portfolio includes thermally conductive, electrically conductive, and radiation-shielding plastics, catering to diverse industries requiring effective thermal management, power generation, or radiation protection. These compounds are designed to excel in applications demanding heat dissipation and radiation shielding, supporting large-scale production.
Caeli Wind
Seed Round in 2023
Caeli Wind is a digital marketplace focused on enhancing the wind energy sector by identifying optimal locations for wind turbine projects. The company employs advanced AI-supported analysis to assess various factors, such as regional planning, grid connections, and economic efficiency, ensuring comprehensive evaluations of wind potential. By creating a cloud-based platform, Caeli Wind connects landowners with project developers, facilitating streamlined marketing efforts and accelerating the implementation of wind energy projects. Its mission is to promote the widespread adoption of wind turbines and improve the overall success rate of projects within the wind industry.
Proxima Fusion
Pre Seed Round in 2023
Proxima Fusion develops innovative fusion power plants using optimized stellarators. These magnetic confinement devices aim to generate emissions-free power through nuclear fusion, providing a clean and safe energy source.
Rabot Energy
Seed Round in 2023
Rabot Energy is a progressive green electricity supplier offering flexible and intelligent tariffs for residential customers and electric vehicles. Its platform utilizes real-time market data to optimize charging schedules, helping users save money, reduce their carbon footprint, and simplify vehicle ownership.
Sunvigo
Series B in 2023
Sunvigo is a company that specializes in making solar power accessible to residential homeowners. It simplifies the use of rooftop solar energy by offering electricity contracts that enable customers to buy or rent solar systems. By leveraging a robust network of partners, including smart meter operators and photovoltaic installers, Sunvigo provides affordable solar power solutions. The company aims to democratize access to clean energy, ensuring that homeowners can benefit from local and emission-free energy sources.
Intelligent fluids
Series B in 2023
Intelligent fluids develops high-performance cleaning fluids based on a patented technology that combines gentle ingredients to create dynamic phase fluids tailored to specific needs. The fluids achieve cleaning effects through physical mechanisms rather than chemical dissolution, making them safe for users, equipment, and the environment. They are designed for microelectronics, electronics, optics, printing, industrial maintenance, and building protection, and are used for stripping, removing dirt, residues, coatings, and lacquer. The company pursues ongoing product development for its own line and collaborates on joint development agreements and private-label projects. In addition to established applications, the technology has potential in fields such as functional skincare and dental cosmetics. The approach aims to improve process efficiency and sustainability by offering alternatives to conventional solvents.
INERATEC
Venture Round in 2023
INERATEC develops sustainable fuels and power-to-X plants to replace fossil fuels with carbon-neutral alternatives. The company focuses on renewable e-fuels and synthetic chemical products that enable transportation and industrial processes to run on climate-friendly energy. It produces renewable hydrogen and other greenhouse gases, which are transformed into products such as e-kerosene, carbon dioxide-neutral diesel, synthetic waxes, and methanol, allowing chemical plants to operate using synthetic fuels with climate-neutral energy, reduced chemical waste, and enhanced climate protection.
Refuel Green
Pre Seed Round in 2023
Refuel Green provides services in the fields of technical and economic analyses and evaluations of individual PtX technologies up to complete PtX systems and projects. They offer consulting services in the field of renewable and CO2-neutral fuels.
Agriportance
Seed Round in 2022
Agriportance is a software-as-a-service company operating in Europe's renewable energy sector. Founded in 2020, it specializes in software for sustainability certification under REDcert-EU and ISCC-EU, allowing users to generate mass and greenhouse gas balances online. The platform connects biomethane producers with mineral oil companies and monitors sustainability certification and the buying and selling of biomethane using greenhouse gas accounting, enabling a carbon footprint aligned with the Renewable Energy Directive. The company plans to expand into trading renewable energy quotas and to strengthen its European market presence, following seed funding in December 2022 to enhance its digital capabilities.
Variolytics
Seed Round in 2022
Variolytics is a developer of advanced measurement technologies, specializing in mass spectrometry for environmental applications, particularly in sewage treatment plants. The company focuses on measuring all gas components, including greenhouse gases, within aeration tanks. Variolytics offers a range of products including measuring devices, sensor technologies, and monitoring systems that facilitate accurate data collection and process integration. In addition to its innovative measurement solutions, the company conducts process engineering research and development, providing expert advice and implementation services to help businesses optimize their industrial processes. By delivering insights into process dynamics, Variolytics enables companies to make informed decisions and enhance operational efficiency.
Crocus Labs
Seed Round in 2022
Crocus Labs is a Berlin-based deep tech company specializing in advanced light engine technology. It develops energy-saving solutions for wellness, horticultural, and specialty lighting applications, aiming to bring its innovations to residential, commercial, and industrial spaces worldwide.
Grand perspective
Series A in 2022
Grandperspective GmbH, founded in 2018 and based in Berlin, Germany, specializes in manufacturing gas detection systems tailored for the petrochemical sector, gas loading stations, chemical parks, and pipeline monitoring. The company develops an advanced early warning system capable of covering extensive industrial areas, effectively visualizing and locating hazardous gas clouds. Utilizing optical sensor technology, Grandperspective's systems detect a broad spectrum of chemicals from a distance and provide real-time alerts for gas leaks and fugitive emissions. By combining innovative sensors with sophisticated software, the company enables clients to monitor production sites, storage facilities, and transportation areas, ensuring the protection of infrastructure and facilitating cost-effective emission monitoring.
GS Bavaria
Seed Round in 2022
GS Bavaria specializes in producing industrial-scale nano-sized carbide powders using a revolutionary bioleaching extraction process. This method is highly cost-efficient, sustainable, and minimizes energy consumption.
EcoPals
Seed Round in 2022
EcoPals is a company focused on developing sustainable solutions for road construction by transforming waste plastics into innovative materials. It specializes in creating a carbon-reducing asphalt additive derived from non-recyclable plastics, providing a low-cost alternative to traditional bitumen additives. This approach not only helps address global plastic waste issues but also enhances the quality of road infrastructure. By offering eco-friendly and cost-effective alternatives, EcoPals aims to contribute to a more sustainable future in the construction industry.
node.energy
Series A in 2022
node.energy develops software-as-a-service solutions for managing decentralized energy systems in commercial and industrial real estate. Its platform optimizes local energy microgrids, reducing administrative workload, energy costs, and carbon footprint while ensuring regulatory compliance.
eeden
Seed Round in 2022
eeden is a recycling technology company focused on chemical textile recycling to reclaim cellulose and polyester from polycotton blends. Its patented process separates and recovers these materials to provide outputs that can replace virgin resources in the manufacture of high-quality clothing. By enabling recovery from blended textiles, eeden helps brands reduce dependence on virgin inputs, cut textile waste, and meet evolving environmental regulations. The company also targets conversion of recovered fibers into materials suitable for downstream use, including lyocell or viscose, and pursues scale-upcycling technologies to repurpose textile waste into new products. Through these efforts, eeden aims to accelerate the apparel industry's shift toward a circular economy and offer a pathway to more sustainable textile production.
viboo
Convertible Note in 2022
Viboo is a company that specializes in self-learning predictive control technology powered by physics-informed machine learning. It provides a cloud-based platform designed for smart thermostat manufacturers and building automation companies, facilitating the development of computationally efficient models for predictive control in buildings. Viboo's platform offers smart thermostat solutions tailored for residential environments and building automation services for light commercial spaces. The company’s intuitive API delivers control algorithms that help users optimize energy usage by taking into account both user preferences and weather forecasts. Through its innovative approach, Viboo aims to enhance energy efficiency and user comfort in building management systems.
Sunvigo
Venture Round in 2022
Sunvigo is a company that specializes in making solar power accessible to residential homeowners. It simplifies the use of rooftop solar energy by offering electricity contracts that enable customers to buy or rent solar systems. By leveraging a robust network of partners, including smart meter operators and photovoltaic installers, Sunvigo provides affordable solar power solutions. The company aims to democratize access to clean energy, ensuring that homeowners can benefit from local and emission-free energy sources.
instagrid
Series B in 2022
Instagrid GmbH, founded in 2018 and based in Stuttgart, Germany, specializes in the manufacturing of portable battery storage systems designed to create mobile power infrastructures for various sectors, including construction, event technology, landscaping, and public services. The company's innovative products feature a unique architecture of stacked micro-level inverters, which allows them to be smaller, lighter, and more powerful than traditional battery systems. Instagrid's portable power solutions provide reliable access to clean, affordable, and silent electricity, effectively replacing environmentally harmful petrol and diesel generators. By enabling users to operate efficiently at temporary locations, Instagrid plays a crucial role in meeting the energy demands of industries with challenging power requirements.
INERATEC
Series A in 2022
INERATEC develops sustainable fuels and power-to-X plants to replace fossil fuels with carbon-neutral alternatives. The company focuses on renewable e-fuels and synthetic chemical products that enable transportation and industrial processes to run on climate-friendly energy. It produces renewable hydrogen and other greenhouse gases, which are transformed into products such as e-kerosene, carbon dioxide-neutral diesel, synthetic waxes, and methanol, allowing chemical plants to operate using synthetic fuels with climate-neutral energy, reduced chemical waste, and enhanced climate protection.
Kiutra
Venture Round in 2021
Kiutra is a Munich-based technology company that designs and manufactures cryogenic cooling and refrigeration solutions for research and industry. It develops turn-key cryostats and magnetic cooling technology that delivers continuous sub-kelvin temperatures without reliance on liquid cooling media, notably avoiding helium-3. The platforms provide compact, cost-efficient cooling and rapid sample exchange, enabling researchers to focus on experiments rather than equipment maintenance. Kiutra’s systems support low-temperature investigations across materials science, quantum technology, high-performance electronics, and detector applications, helping customers push forward basic research and industrial-scale quantum hardware development. By offering cryogen-free cooling and easy-to-use platforms, Kiutra aims to accelerate the development and testing of quantum computing, communications, and sensing technologies.
Sunvigo
Venture Round in 2021
Sunvigo is a company that specializes in making solar power accessible to residential homeowners. It simplifies the use of rooftop solar energy by offering electricity contracts that enable customers to buy or rent solar systems. By leveraging a robust network of partners, including smart meter operators and photovoltaic installers, Sunvigo provides affordable solar power solutions. The company aims to democratize access to clean energy, ensuring that homeowners can benefit from local and emission-free energy sources.
Wirelane
Series B in 2021
Wirelane designs and develops electric vehicle charging infrastructure and provides installation, software integration, maintenance, and operation services. It offers complete solutions for building, operating, and marketing charging networks, including cutting-edge charging technology, a digital management and billing platform, and comprehensive service modules. The company focuses on managing charging infrastructure and charging processes for electric vehicles, enabling clients to deploy extensive charging networks. Headquartered in Saarbrücken, Germany, Wirelane has been active since 2016.
sewts
Seed Round in 2021
sewts GmbH, founded in 2019 and located in Munich, Germany, specializes in automation technology focused on the processing of easily deformable materials, particularly textiles. The company collaborates with the Technical University of Munich to create finite element (FE) simulations that accurately replicate textile behavior. Its flagship product, Velum, is an AI-driven technology that analyzes textiles and converts insights into robotic commands. This innovative solution supports real-time motion and trajectory planning, enabling efficient control of industrial robots and coordination among multiple robots. sewts' technology streamlines complex manual processes in industrial settings, such as laundries and garment manufacturing, while promoting sustainability and innovation in production methods. The company is supported by several investors, including APEX Ventures and Bayern Kapital, which underscores its commitment to advancing the robotics and textile industries.
traceless materials
Seed Round in 2021
traceless materials is offering a holistically sustainable alternative to plastics and bioplastics. With our first-of-a-kind biomaterial it’s our mission to contribute to solving global plastic pollution.
Our innovative technology filed for patent allows to use food production residues to produce materials that are compostable under natural composting conditions. While bio-based, our materials don’t compete with food nor cause land-use-change, don’t need hazardous additives or solvents and have up to 95% lower CO2 emissions. Our materials are neither chemically modified nor synthetically polymerized, therefore they will not fall under the EU Single Use Plastic Directive.
Follow us on our journey, and become a part of the solution, not the pollution!
HighLine Technology
Pre Seed Round in 2021
HighLine Technology develops and commercializes highly efficient dispensing technology to reduce material usage in the photovoltaics sector and provides dispensing solutions for other industries. Its parallel dispensing technology lowers material consumption in solar cell manufacturing by applying front metal contacts to silicon solar cells and can be integrated into conventional production lines to replace the screen‑printing process for front‑side contacts, enabling resource savings, higher electricity yield, and improved throughput.
MagnoTherm
Seed Round in 2021
MagnoTherm, founded in 2019 and headquartered in Darmstadt, Germany, specializes in innovative magnetic cooling and heating technologies. With a team of over 40 experts in magnetocaloric materials, the company is committed to addressing the climate crisis by revolutionizing the cooling industry, which accounts for approximately 7% of global CO2 emissions. MagnoTherm's technology offers an alternative to traditional gas compression systems, boasting up to 30% greater energy efficiency while being non-explosive, non-flammable, and requiring low maintenance. The company aims to meet the increasing demand for sustainable and cost-effective cooling solutions, providing a viable pathway for policymakers to transition from outdated gas compression methods that have remained unchanged for nearly two centuries.
Crocus Labs
Seed Round in 2021
Crocus Labs is a Berlin-based deep tech company specializing in advanced light engine technology. It develops energy-saving solutions for wellness, horticultural, and specialty lighting applications, aiming to bring its innovations to residential, commercial, and industrial spaces worldwide.
Sunvigo
Seed Round in 2020
Sunvigo is a company that specializes in making solar power accessible to residential homeowners. It simplifies the use of rooftop solar energy by offering electricity contracts that enable customers to buy or rent solar systems. By leveraging a robust network of partners, including smart meter operators and photovoltaic installers, Sunvigo provides affordable solar power solutions. The company aims to democratize access to clean energy, ensuring that homeowners can benefit from local and emission-free energy sources.
instagrid
Series A in 2020
Instagrid GmbH, founded in 2018 and based in Stuttgart, Germany, specializes in the manufacturing of portable battery storage systems designed to create mobile power infrastructures for various sectors, including construction, event technology, landscaping, and public services. The company's innovative products feature a unique architecture of stacked micro-level inverters, which allows them to be smaller, lighter, and more powerful than traditional battery systems. Instagrid's portable power solutions provide reliable access to clean, affordable, and silent electricity, effectively replacing environmentally harmful petrol and diesel generators. By enabling users to operate efficiently at temporary locations, Instagrid plays a crucial role in meeting the energy demands of industries with challenging power requirements.
Kiutra
Seed Round in 2019
Kiutra is a Munich-based technology company that designs and manufactures cryogenic cooling and refrigeration solutions for research and industry. It develops turn-key cryostats and magnetic cooling technology that delivers continuous sub-kelvin temperatures without reliance on liquid cooling media, notably avoiding helium-3. The platforms provide compact, cost-efficient cooling and rapid sample exchange, enabling researchers to focus on experiments rather than equipment maintenance. Kiutra’s systems support low-temperature investigations across materials science, quantum technology, high-performance electronics, and detector applications, helping customers push forward basic research and industrial-scale quantum hardware development. By offering cryogen-free cooling and easy-to-use platforms, Kiutra aims to accelerate the development and testing of quantum computing, communications, and sensing technologies.
Plasmion
Seed Round in 2019
Plasmion specializes in developing ionization devices for scientific and industrial applications. Its flagship product, the SICRIT SC-20X ionization set, is used across various sectors such as quality control, food safety, medical diagnosis, and emission monitoring. The company serves customers globally through its network of sales partners.
instagrid
Seed Round in 2019
Instagrid GmbH, founded in 2018 and based in Stuttgart, Germany, specializes in the manufacturing of portable battery storage systems designed to create mobile power infrastructures for various sectors, including construction, event technology, landscaping, and public services. The company's innovative products feature a unique architecture of stacked micro-level inverters, which allows them to be smaller, lighter, and more powerful than traditional battery systems. Instagrid's portable power solutions provide reliable access to clean, affordable, and silent electricity, effectively replacing environmentally harmful petrol and diesel generators. By enabling users to operate efficiently at temporary locations, Instagrid plays a crucial role in meeting the energy demands of industries with challenging power requirements.
Volterion
Series A in 2018
Volterion is a German energy storage company that designs and manufactures redox-flow battery stacks and systems for renewable energy storage. Founded in 2015 as a spin-off of the Fraunhofer Institute UMSICHT, it operates from Dortmund and develops compact, scalable energy storage solutions such as the powerRFB, based on welded, seal-less stacks and automated high-throughput manufacturing of bipolar-graphite electrodes. Its products target residential and commercial/industrial storage to increase self-consumption of solar and wind energy and to provide cost-efficient, durable storage for bulk energy applications.
Wirelane
Series A in 2018
Wirelane designs and develops electric vehicle charging infrastructure and provides installation, software integration, maintenance, and operation services. It offers complete solutions for building, operating, and marketing charging networks, including cutting-edge charging technology, a digital management and billing platform, and comprehensive service modules. The company focuses on managing charging infrastructure and charging processes for electric vehicles, enabling clients to deploy extensive charging networks. Headquartered in Saarbrücken, Germany, Wirelane has been active since 2016.
INERATEC
Seed Round in 2018
INERATEC develops sustainable fuels and power-to-X plants to replace fossil fuels with carbon-neutral alternatives. The company focuses on renewable e-fuels and synthetic chemical products that enable transportation and industrial processes to run on climate-friendly energy. It produces renewable hydrogen and other greenhouse gases, which are transformed into products such as e-kerosene, carbon dioxide-neutral diesel, synthetic waxes, and methanol, allowing chemical plants to operate using synthetic fuels with climate-neutral energy, reduced chemical waste, and enhanced climate protection.
fos4X
Series B in 2018
fos4X GmbH, established in Munich, Germany in 2010, specializes in manufacturing high-performance fiber optic measurement equipment. The company's primary focus is on monitoring lightweight structures, particularly rotor blades in wind turbines. Their innovative fiber-optic measuring systems are designed to withstand extreme loads and strains, offering significant advantages over conventional sensors. Following its acquisition by Polytech A/S in September 2020, fos4X continues to provide advanced measurement technology solutions for optimizing power output and monitoring energy usage in wind power plants.
Resourcify
Venture Round in 2018
Resourcify GmbH, established in 2015 and headquartered in Hamburg, Germany, specializes in developing and operating a neutral cloud platform for waste management. This platform enables businesses to efficiently manage their waste and recycling operations online, reducing administrative tasks by up to 40% compared to conventional methods. Key features include container pick-up scheduling, real-time collection tracking, documentation management, and legally compliant reporting. Trusted by global corporations such as Cargill and McDonald's, Resourcify aims to facilitate a zero-waste future through digital transformation of recycling processes.
FAZUA
Series C in 2018
FAZUA develops and manufactures lightweight e-bike drive systems comprising a motor, gearbox, battery and power electronics designed to be mounted in the downtube and easily removable, with a plug-and-play cover to maintain a clean frame appearance. The drive enables sportive riding while preserving a natural feel of non-motorized cycling, and it allows bicycle manufacturers to integrate the drive pack into the down tube for an elegant, discreet look. The company is based in Bavaria, Germany.
LightnTec
Seed Round in 2018
LightnTec GmbH, founded in 2016 and headquartered in Karlsruhe, Germany, specializes in the development of innovative digital thin LED wallpapers. The company's flagship product, the Media-Screen-Matrix, is a lightweight, flexible, and highly transparent LED screen that can transform any façade into a dynamic media surface. Constructed from a thin-film PET substrate, this technology offers significant cost savings and energy efficiency, making it suitable for various applications, including installation on glass façades and billboards. The Media-Screen-Matrix is designed for outdoor use and can display images, videos, and text, providing clients with the ability to create immersive environments. Its modular design allows for customization in size and shape, enabling large-scale installations that can adapt to diverse architectural needs.
otego
Seed Round in 2018
otego GmbH is a German company founded in 2016 and headquartered in Karlsruhe. It specializes in the development of thermoelectric generators (TEGs) that provide independent energy solutions for wireless sensors and actuators. By converting heat directly into electric power through temperature differences, otego's technology is applicable in various fields, including the Internet of Things, waste heat recovery, and Industry 4.0. The company emerged as a spin-off from the Karlsruhe Institute of Technology and is driven by a diverse team comprising physicians, a chemist, and a business engineer, all dedicated to advancing and commercializing its innovative technology.
node.energy
Venture Round in 2017
node.energy develops software-as-a-service solutions for managing decentralized energy systems in commercial and industrial real estate. Its platform optimizes local energy microgrids, reducing administrative workload, energy costs, and carbon footprint while ensuring regulatory compliance.
Volterion
Series A in 2017
Volterion is a German energy storage company that designs and manufactures redox-flow battery stacks and systems for renewable energy storage. Founded in 2015 as a spin-off of the Fraunhofer Institute UMSICHT, it operates from Dortmund and develops compact, scalable energy storage solutions such as the powerRFB, based on welded, seal-less stacks and automated high-throughput manufacturing of bipolar-graphite electrodes. Its products target residential and commercial/industrial storage to increase self-consumption of solar and wind energy and to provide cost-efficient, durable storage for bulk energy applications.
Atc Aluvation Technology
Seed Round in 2017
Atc Aluvation Technology is a high-tech start-up specializing in advanced heat treatment processes for aluminum components, primarily targeting the automotive industry. The company has developed a mobile heat-treating system that optimizes the usage of aluminum while significantly reducing carbon dioxide emissions. This innovative system is connected to a data network and features standardized furnace modules for annealing and cooling materials, providing clients with flexibility in application. With years of experience, Atc Aluvation Technology is committed to delivering sustainable solutions that enhance the efficiency and performance of aluminum components.
FAZUA
Series B in 2017
FAZUA develops and manufactures lightweight e-bike drive systems comprising a motor, gearbox, battery and power electronics designed to be mounted in the downtube and easily removable, with a plug-and-play cover to maintain a clean frame appearance. The drive enables sportive riding while preserving a natural feel of non-motorized cycling, and it allows bicycle manufacturers to integrate the drive pack into the down tube for an elegant, discreet look. The company is based in Bavaria, Germany.
ADLATUS Robotics
Seed Round in 2017
ADLATUS Robotics GmbH is a company based in Ulm, Germany, specializing in the development and implementation of autonomous service and cleaning robots. Its robots are designed for use in diverse environments, including supermarkets, airports, hospitals, and various industrial and logistics settings. By focusing on innovative robotic solutions, ADLATUS Robotics aims to enhance operational efficiency and cleanliness in these sectors.
Enoware
Seed Round in 2015
Enoware specializes in mobile sensor systems designed for the geothermal energy sector. The company offers a miniaturized geothermal measuring capsule that enhances the efficiency and quality of geothermal probes. Its technology allows users to access vital environmental data through an online portal and smartphone application, facilitating system monitoring, optimization, and operational safety. With over 300,000 geothermal probes currently in operation in Germany and an annual addition of 20,000 new systems, Enoware is positioned to expand its customer base and contribute to the growing demand for sustainable energy solutions.
Solandeo
Seed Round in 2015
Solandeo GmbH, founded in 2011 and based in Berlin, Germany, specializes in manufacturing and marketing metering and power management solutions. The company focuses on providing energy management solutions tailored for renewable energy plants, aiding in the detection of actual power output for the green electricity market. Solandeo offers services such as real-time measurement data provision, data logging, and monitoring of measured installations to support grid connection and feed-in meters. Additionally, it provides cost-effective and innovative solutions for smart metering, remote control technology, and technical upgrades for wind turbines, solar panels, and biogas heating plants.
FAZUA
Series A in 2015
FAZUA develops and manufactures lightweight e-bike drive systems comprising a motor, gearbox, battery and power electronics designed to be mounted in the downtube and easily removable, with a plug-and-play cover to maintain a clean frame appearance. The drive enables sportive riding while preserving a natural feel of non-motorized cycling, and it allows bicycle manufacturers to integrate the drive pack into the down tube for an elegant, discreet look. The company is based in Bavaria, Germany.
OneShore
Seed Round in 2015
OneShore Energy, established in 2013, specializes in designing, engineering, and operating off-grid solar-diesel-hybrid systems for power generation. Based in Berlin, Germany, the company caters to diverse sectors such as hospitals, hotels, off-grid communities, and industrial facilities in Germany, Greece, Tanzania, and Kenya. OneShore's offerings include software tools like OneAnalyser for demand analysis, OneOptimiser for remote monitoring, and OneDesign for system modeling. The company aims to optimize energy use, reduce fuel consumption, and provide certified fuel-saving reports to its clients.
Chargepartner
Seed Round in 2014
Chargepartner GmbH is a company based in Walldorf, Germany, specializing in e-mobility solutions within German-speaking countries. It provides a comprehensive service for electric vehicle charging projects, encompassing planning, rollout, operation, and billing, all delivered through an integrated Software-as-a-Service platform. The company features various modules, including the ChargeMaster-Module for managing charging stations and sessions, and the ElectroMobility-Module, a web-based interface for users and operators. Additionally, Chargepartner offers ChargeCall, a phone-based access system that activates charging stations without requiring a compatible RFID interface. The company also provides independent consulting and support for charging infrastructure, including project implementation and ongoing operational services. Chargepartner's focus on developing innovative control and incentive systems aims to engage consumers in climate protection efforts, promoting the use of climate-neutral energy.
Heliatek
Series C in 2014
Heliatek GmbH, founded in 2006 and based in Dresden, Germany, specializes in the development and manufacture of organic photovoltaics (OPV) solutions, particularly HeliaSol and HeliaFilm. These innovative products are designed for integration into various building surfaces, including horizontal, vertical, and curved structures, making them suitable for retrofitting existing buildings as well as for new construction. Heliatek's OPV technology is characterized by its ultra-lightweight and flexible nature, contributing to environmentally friendly energy solutions. The company serves a diverse clientele, including those in the building and construction materials industry, automotive manufacturers, and suppliers, and has established strategic partnerships with firms such as AGC Glass Europe and Reckli China. With approximately 160 employees, Heliatek is at the forefront of advancing organic electronics, utilizing advanced roll-to-roll manufacturing processes in controlled environments to produce its solar films.
akvola Technologies
Seed Round in 2014
akvola Technologies is a German technology company focused on innovative water treatment solutions. The company specializes in designing, installing, and marketing package water clarification systems that utilize its proprietary akvoFloat technology. This advanced ceramic flotation-filtration process enables the efficient treatment of challenging industrial wastewater, significantly reducing energy consumption by up to 90% and minimizing the ecological footprint by 20% compared to conventional methods. akvoFloat is applicable across various industries, including oil and gas, seawater desalination, food and beverage, mining, pharmaceuticals, pulp and paper, and semiconductors. By providing cost-effective and environmentally friendly water services, akvola Technologies addresses the growing demand for sustainable water management in industrial applications.
viamon
Seed Round in 2014
viamon GmbH is a company based in Kaiserslautern, Germany, specializing in GPS-based geo-fencing anti-theft systems specifically designed for photovoltaic (PV) plants. The company develops and markets innovative monitoring and theft protection solutions for PV modules, inverters, and high-quality goods. Its offerings include 24/7 alarm services facilitated through a control center, as well as web portals and mobile applications compatible with smartphones and tablets. viamon operates in various international markets, including Germany, Spain, Switzerland, Namibia, Chile, and the Dominican Republic, providing enhanced security for renewable energy assets and ensuring protection against theft.
FAZUA
Seed Round in 2014
FAZUA develops and manufactures lightweight e-bike drive systems comprising a motor, gearbox, battery and power electronics designed to be mounted in the downtube and easily removable, with a plug-and-play cover to maintain a clean frame appearance. The drive enables sportive riding while preserving a natural feel of non-motorized cycling, and it allows bicycle manufacturers to integrate the drive pack into the down tube for an elegant, discreet look. The company is based in Bavaria, Germany.
Saperatec
Seed Round in 2013
Founded in 2010, Saperatec specializes in recycling technologies. Its proprietary process physically and chemically separates bonded and coated materials, transforming multi-layer waste into valuable secondary raw materials.
LEDeXCHANGE
Seed Round in 2013
LEDeXCHANGE is a company that specializes in the development and production of advanced LED lighting products. Focused on the business-to-business (B2B) marketplace, the company designs and manufactures a range of LED bulbs and retrofitted lamps, offering innovative lighting solutions tailored to the needs of its clients. By prioritizing cutting-edge technology in their products, LEDeXCHANGE aims to enhance energy efficiency and performance in various commercial applications.
Cysal
Seed Round in 2012
Cysal is a biotechnology company founded in 2012 and headquartered in Münster, Germany. It develops, optimizes, and licenses fermentation technologies and processes for biopolymers and low-molecular-weight compounds, including dipeptides. The company focuses on microbial fermentation, its metabolic diversity, and the selection of microbial strains to enable production alternatives to chemical methods. Cysal offers technology development, process optimization, and licensing services, and collaborates with a network of partners and distributors in Germany and internationally to serve clients in research and industry.
Subitec
Series B in 2012
Subitec GmbH, founded in 2000 in Stuttgart, Germany, specializes in the manufacture of microalgae biotechnology cultivation equipment and turn-key production systems. The company offers a range of products, including Flat Panel Airlift Photobioreactors with various cultivation volumes, along with essential components such as lighting systems, media feeds, temperature control, and harvesting solutions. Subitec's systems encompass engineering and construction for outdoor and indoor applications, as well as compact and hybrid systems, catering to diverse markets including nutraceuticals, food and feed, aquaculture, cosmetics, and energy. Originating as a spin-off from the Fraunhofer Institute for Interfacial and Biotechnology, Subitec focuses on enabling clients to produce sustainable bio-products from high-quality microalgae.
Smart Hydro Power
Series A in 2012
Smart Hydro Power GmbH is a company based in Feldafing, Germany, that specializes in the development and manufacture of kinetic micro-hydro power plants. Founded in 2010, it evolved from a group of turbine developers into a provider of comprehensive renewable energy solutions, focusing on decentralized electrification projects. The company offers a range of products, including smart turbines, smart packages, and an intelligent energy management system, designed to meet the needs of remote and off-grid locations. Smart Hydro Power's systems are eco-friendly, fish-friendly, and require minimal infrastructure, making them a viable alternative for rural electrification. By combining simplicity, competitiveness, and completeness in its offerings, the company aims to enhance productivity and improve living standards in underserved communities.
fos4X
Seed Round in 2012
fos4X GmbH, established in Munich, Germany in 2010, specializes in manufacturing high-performance fiber optic measurement equipment. The company's primary focus is on monitoring lightweight structures, particularly rotor blades in wind turbines. Their innovative fiber-optic measuring systems are designed to withstand extreme loads and strains, offering significant advantages over conventional sensors. Following its acquisition by Polytech A/S in September 2020, fos4X continues to provide advanced measurement technology solutions for optimizing power output and monitoring energy usage in wind power plants.
Clean Mobile
Series A in 2011
Clean Mobile AG, founded in 2006 in Munich, Germany, specializes in the development of electrical drive train technologies for light electric vehicles (LEVs). The company, established by Bernhard Gutmann, Werner Gruber, and Rudi Höbel, has positioned itself as a leader in this innovative sector. With a dedicated team of over 20 skilled employees, Clean Mobile has created a patented electrical drive train system that significantly enhances the performance and efficiency of various LEVs, including cargo vehicles, bicycles, and electric scooters. Their commitment to innovation has made them a key player in the global LEV market.
Saperatec
Seed Round in 2011
Founded in 2010, Saperatec specializes in recycling technologies. Its proprietary process physically and chemically separates bonded and coated materials, transforming multi-layer waste into valuable secondary raw materials.
Entelios
Series A in 2011
Entelios is a clean energy supplier founded in 2010, specializing in demand response and virtual power plant solutions. Acquired by EnerNOC in 2014, the company focuses on the management of distributed energy resources across industrial, commercial, and institutional sectors. Entelios enables its clients to enhance their sustainability practices by providing products that facilitate the integration of renewable energy and help manage system imbalances. This approach allows both large and small businesses to adopt greener operations, contributing to a more sustainable energy future.
Cuculus
Series B in 2010
Cuculus GmbH, founded in 2007 and headquartered in Ilmenau, Germany, specializes in software solutions for the energy sector, particularly in smart metering and energy management. The company offers ZONOS, an IoT platform designed for smart metering, which facilitates the integration of electric, gas, and water meters with existing IT systems. Cuculus serves a diverse clientele that includes energy suppliers, grid operators, telecommunications companies, and metering service providers on a global scale. The firm leverages unique technology developed through collaborations with the Technical University Ilmenau and IDEO Laboratories, combining this with expertise in utilities and telecommunications. Additionally, Cuculus benefits from its location in a prominent technology region, providing access to innovative companies in automation, measurement engineering, and software development.
Heliatek
Series B in 2009
Heliatek GmbH, founded in 2006 and based in Dresden, Germany, specializes in the development and manufacture of organic photovoltaics (OPV) solutions, particularly HeliaSol and HeliaFilm. These innovative products are designed for integration into various building surfaces, including horizontal, vertical, and curved structures, making them suitable for retrofitting existing buildings as well as for new construction. Heliatek's OPV technology is characterized by its ultra-lightweight and flexible nature, contributing to environmentally friendly energy solutions. The company serves a diverse clientele, including those in the building and construction materials industry, automotive manufacturers, and suppliers, and has established strategic partnerships with firms such as AGC Glass Europe and Reckli China. With approximately 160 employees, Heliatek is at the forefront of advancing organic electronics, utilizing advanced roll-to-roll manufacturing processes in controlled environments to produce its solar films.
enymotion
Venture Round in 2008
Enymotion specializes in the development and production of ultra-quiet, zero-emission energy sources tailored for mobile applications. The company focuses on creating innovative mobile fuel cell systems that provide a self-sufficient power supply for recreational use, such as in caravans, boats, and utility vehicles. These systems utilize the caloric equivalent of conventional fuels or liquid gas, delivering power without noise or exhaust emissions. By enabling consumers to consume power independently, Enymotion positions itself as a leader in sustainable energy solutions for outdoor and recreational lifestyles.
Clean Mobile
Series A in 2008
Clean Mobile AG, founded in 2006 in Munich, Germany, specializes in the development of electrical drive train technologies for light electric vehicles (LEVs). The company, established by Bernhard Gutmann, Werner Gruber, and Rudi Höbel, has positioned itself as a leader in this innovative sector. With a dedicated team of over 20 skilled employees, Clean Mobile has created a patented electrical drive train system that significantly enhances the performance and efficiency of various LEVs, including cargo vehicles, bicycles, and electric scooters. Their commitment to innovation has made them a key player in the global LEV market.
CONTROS Systems & Solutions
Seed Round in 2008
CONTROS Systems & Solutions GmbH is a German company based in Kiel that specializes in the development, production, and marketing of underwater sensor systems. The company focuses on detecting dissolved gases, including hydrocarbons, carbon dioxide, and oxygen, as well as measuring pH and total alkalinity. By providing advanced subsea gas measurement and environmental monitoring solutions, CONTROS plays a critical role in ensuring effective monitoring of underwater environments and addressing environmental concerns related to gas emissions.
Dilitronics
Seed Round in 2008
Dilitronics GmbH, based in Jena, Germany, specializes in the development and provision of light emitting diodes (LEDs) and related technologies. The company focuses on its proprietary controLED technology, which aims to mitigate issues related to temperature, age, and production-induced variations in LEDs. Dilitronics serves various sectors, including general and industrial illumination, display backlighting, and automotive lighting. Through its innovative approach, the company enhances the performance and reliability of LEDs, catering to a diverse range of applications while enabling clients to benefit from the advantages of advanced lighting solutions.
Cuculus
Seed Round in 2007
Cuculus GmbH, founded in 2007 and headquartered in Ilmenau, Germany, specializes in software solutions for the energy sector, particularly in smart metering and energy management. The company offers ZONOS, an IoT platform designed for smart metering, which facilitates the integration of electric, gas, and water meters with existing IT systems. Cuculus serves a diverse clientele that includes energy suppliers, grid operators, telecommunications companies, and metering service providers on a global scale. The firm leverages unique technology developed through collaborations with the Technical University Ilmenau and IDEO Laboratories, combining this with expertise in utilities and telecommunications. Additionally, Cuculus benefits from its location in a prominent technology region, providing access to innovative companies in automation, measurement engineering, and software development.
Subitec
Series A in 2007
Subitec GmbH, founded in 2000 in Stuttgart, Germany, specializes in the manufacture of microalgae biotechnology cultivation equipment and turn-key production systems. The company offers a range of products, including Flat Panel Airlift Photobioreactors with various cultivation volumes, along with essential components such as lighting systems, media feeds, temperature control, and harvesting solutions. Subitec's systems encompass engineering and construction for outdoor and indoor applications, as well as compact and hybrid systems, catering to diverse markets including nutraceuticals, food and feed, aquaculture, cosmetics, and energy. Originating as a spin-off from the Fraunhofer Institute for Interfacial and Biotechnology, Subitec focuses on enabling clients to produce sustainable bio-products from high-quality microalgae.
Intelligent fluids
Series A in 2006
Intelligent fluids develops high-performance cleaning fluids based on a patented technology that combines gentle ingredients to create dynamic phase fluids tailored to specific needs. The fluids achieve cleaning effects through physical mechanisms rather than chemical dissolution, making them safe for users, equipment, and the environment. They are designed for microelectronics, electronics, optics, printing, industrial maintenance, and building protection, and are used for stripping, removing dirt, residues, coatings, and lacquer. The company pursues ongoing product development for its own line and collaborates on joint development agreements and private-label projects. In addition to established applications, the technology has potential in fields such as functional skincare and dental cosmetics. The approach aims to improve process efficiency and sustainability by offering alternatives to conventional solvents.
Heliatek
Seed Round in 2006
Heliatek GmbH, founded in 2006 and based in Dresden, Germany, specializes in the development and manufacture of organic photovoltaics (OPV) solutions, particularly HeliaSol and HeliaFilm. These innovative products are designed for integration into various building surfaces, including horizontal, vertical, and curved structures, making them suitable for retrofitting existing buildings as well as for new construction. Heliatek's OPV technology is characterized by its ultra-lightweight and flexible nature, contributing to environmentally friendly energy solutions. The company serves a diverse clientele, including those in the building and construction materials industry, automotive manufacturers, and suppliers, and has established strategic partnerships with firms such as AGC Glass Europe and Reckli China. With approximately 160 employees, Heliatek is at the forefront of advancing organic electronics, utilizing advanced roll-to-roll manufacturing processes in controlled environments to produce its solar films.
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