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.
Eeden is a recycling technology company focused on advancing chemical textile recycling. It addresses the significant challenge of efficiently recovering cellulose and polyester from polycotton blends, utilizing a patented chemical process. This process allows for the extraction of materials that can replace virgin resources in the creation of high-quality clothing. By enabling brands to use eeden's recycled materials, the company helps them reduce their reliance on virgin resources, minimize textile waste, and comply with global environmental regulations. Eeden's innovative approach aims to promote circularity in the apparel industry, facilitating the repurposing of textile waste into new products and supporting a sustainable future for fashion.
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, safe, and sustainable battery solutions tailored for the decarbonization of hard-to-electrify transportation sectors, including aviation, long-distance trucking, and heavy-duty machinery in industries such as construction, mining, and agriculture. The company's innovative approach involves the use of ultralight carbon materials and sustainable raw materials, ensuring compatibility with existing production facilities.
IonKraft
Seed Round in 2024
IonKraft, a German technology company, specializes in plasma coating solutions for multi-material plastic containers. Their innovative plasma-enhanced chemical vapor deposition process enables recyclability in packaging for various industries, including food, pharmaceuticals, and chemicals. By promoting material reduction and reuse, IonKraft aims to enhance performance and lower costs, backed by funding from the German Federal Ministry for Economic Affairs and Energy.
Aerleum
Seed Round in 2024
Aerleum specializes in developing innovative environmental technology that focuses on reducing greenhouse gas emissions. The company has created a system that captures and converts carbon dioxide into clean fuels and chemical products, providing a sustainable alternative to fossil-based materials. This technology supports the establishment of a circular economy by enabling businesses to implement large-scale solutions that are both economically viable and impactful in the fight against global warming. Through its efforts, Aerleum aims to facilitate a significant transformation in how industries manage their carbon footprint while contributing to a more sustainable future.
BIOVOX
Seed Round in 2024
BIOVOX is a company that specializes in the development of biodegradable plastic components aimed at various industries, including medicine, hygiene, and food. By utilizing renewable, fully degradable, and recyclable raw materials, BIOVOX produces high-quality bioplastic compounds that offer an alternative to conventional plastics. The company's products are designed to help reduce carbon dioxide emissions, promoting an environmentally sustainable approach to materials in healthcare and beyond. Through its innovations, BIOVOX sets a standard in the sustainable healthcare market, encouraging clients to adopt more eco-friendly practices.
INERATEC
Series B in 2024
INERATEC is a company dedicated to developing sustainable energy solutions through the production of innovative synthetic fuels and power-to-X plants. By focusing on replacing fossil fuels with carbon-neutral alternatives, INERATEC aims to contribute to a post-fossil fuel economy. The company specializes in generating renewable hydrogen and converting greenhouse gases, such as carbon dioxide and hydrogen, into various synthetic products, including e-kerosene, carbon dioxide-neutral diesel, synthetic waxes, and methanol. These products enable chemical plant operators to utilize synthetic fuels, which are derived from climate-neutral energy sources, thereby minimizing chemical waste and enhancing climate protection.
FarmInsect
Series A in 2023
FarmInsect GmbH, founded in 2019 and based in Bergkirchen, Germany, specializes in automated insect breeding systems designed to provide a sustainable and efficient source of animal feed. The company focuses on enabling local farmers to produce insect larvae from organic residues, which can be used as protein feed for livestock such as chickens, pigs, and fish. By offering a solution that replaces imported soy and fishmeal with locally sourced insect protein, FarmInsect aims to enhance the sustainability of animal husbandry while ensuring that farmers have a consistent supply of young larvae each week for their feeding needs.
Resourcify
Series A in 2023
Resourcify GmbH, founded in 2015 and based in Hamburg, Germany, operates a comprehensive cloud platform designed to streamline waste management and recycling operations for businesses. The platform offers features such as container pick-up and exchange services, waste collection information, and documentation generation, ensuring compliance with legal requirements. By digitizing waste management processes, Resourcify enables organizations to efficiently manage, track, and enhance their recycling efforts while significantly reducing administrative burdens and costs—reportedly by up to 40% compared to traditional methods. Trusted by leading companies across various sectors, Resourcify aims to foster a zero-waste future and improve sustainability practices through its innovative solutions, ultimately enhancing recycling rates and revenue from recyclable materials.
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!
Bind-X
Series B in 2023
Bind-X focuses on biotechnology applications aimed at enhancing sustainability across various industries. The company has developed a microbiologically induced bio-cement that utilizes a bio-geochemical process to promote calcium carbonate precipitation within soil. This innovative approach allows for a more cost-effective and environmentally friendly method of controlling dust and pollution, transforming sand into bricks. By optimizing biotechnological processes, Bind-X seeks to improve both the sustainability and profitability of its clients' operations, addressing pressing environmental challenges while providing practical solutions.
Materials Nexus
Seed Round in 2023
Materials Nexus is a deep-tech company focused on advancing sustainable materials through an innovative material modeling platform. By automating quantum calculations, the company enhances the accuracy of material research at scale, thereby facilitating the development of green materials that contribute to net-zero emissions. Utilizing insights from quantum mechanics and artificial intelligence, Materials Nexus aims to reduce greenhouse gas emissions in the materials sector, providing clients with access to sustainable building solutions. Through its efforts, the company seeks to accelerate the transition to environmentally friendly materials and support the global shift toward sustainability.
ReCatalyst
Seed Round in 2023
ReCatalyst specializes in the development and commercialization of advanced platinum-alloy catalysts for hydrogen fuel cells. The company focuses on creating next-generation nano-catalysts that enhance stability and reduce the amount of platinum needed in each fuel cell system. By optimizing the use of platinum group metals, ReCatalyst enables significant scalability of high-power proton exchange membrane fuel cells. This innovative approach aims to improve the efficiency and affordability of fuel cell technology, positioning the company as a key player in the clean energy sector.
Intelligent Fluid
Series B in 2023
Intelligent Fluids GmbH is a technology company specializing in the development of innovative, high-performance cleaning fluids that utilize a patented technology combining gentle ingredients to create dynamic phase fluids. These fluids are designed for specific applications and function effectively without chemical dissolving or etching, making them safe for users, equipment, and the environment. They are particularly suited for industries such as microelectronics, industrial maintenance, optics, printing, and building protection, among others. The company's products facilitate the removal of dirt, residues, coatings, and lacquers, offering significant advantages in process optimization and cost savings. Additionally, Intelligent Fluids is committed to sustainability, supporting multiple UN Sustainable Development Goals by reducing carbon emissions, energy consumption, and material use. Beyond its product line, the company also engages in joint development and private label agreements, further broadening its impact in the eco-friendly cleaning sector.
INERATEC
Venture Round in 2023
INERATEC is a company dedicated to developing sustainable energy solutions through the production of innovative synthetic fuels and power-to-X plants. By focusing on replacing fossil fuels with carbon-neutral alternatives, INERATEC aims to contribute to a post-fossil fuel economy. The company specializes in generating renewable hydrogen and converting greenhouse gases, such as carbon dioxide and hydrogen, into various synthetic products, including e-kerosene, carbon dioxide-neutral diesel, synthetic waxes, and methanol. These products enable chemical plant operators to utilize synthetic fuels, which are derived from climate-neutral energy sources, thereby minimizing chemical waste and enhancing 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.
Crocus Labs
Seed Round in 2022
Crocus Labs GmbH is a Berlin-based deep tech company focused on developing advanced light engine technology aimed at promoting a greener future. The company specializes in creating energy-efficient lighting solutions for wellness, horticultural, and specialty applications. By employing intelligent light-emitting diode technology and advanced data analytics, Crocus Labs provides precise lighting control that optimizes plant growth while minimizing energy consumption. This innovative approach supports indoor farms and greenhouses, allowing them to cultivate diverse crops efficiently. Crocus Labs aims to extend its cutting-edge research and technological advancements to residential, commercial, and industrial spaces worldwide.
GS Bavaria
Seed Round in 2022
GS Bavaria specializes in the manufacturing of industrial-scale nano-sized carbide powders, focusing on environmentally friendly nanomaterials. The company utilizes a revolutionary bioleaching extraction process that transforms hard metal scrap into tungsten and tungsten carbide nanoparticles. This innovative method not only enables cost-efficient production but also minimizes energy consumption, making it a sustainable alternative in the industry. By harnessing the capabilities of bacteria, GS Bavaria positions itself to expand its processes to other metals in the future, offering unique materials and functional additives to clients across various sectors.
EcoPals
Seed Round in 2022
EcoPals specializes in creating sustainable solutions for road construction by transforming waste plastics into innovative materials. The company develops a carbon-reducing asphalt additive derived from non-recyclable plastics, providing a low-cost alternative to traditional bitumen additives. This approach not only addresses the issue of global plastic waste but also enhances the quality and sustainability of road infrastructure. By offering these environmentally friendly alternatives, EcoPals contributes to more sustainable construction practices while helping clients meet their ecological goals.
eeden
Seed Round in 2022
Eeden is a recycling technology company focused on advancing chemical textile recycling. It addresses the significant challenge of efficiently recovering cellulose and polyester from polycotton blends, utilizing a patented chemical process. This process allows for the extraction of materials that can replace virgin resources in the creation of high-quality clothing. By enabling brands to use eeden's recycled materials, the company helps them reduce their reliance on virgin resources, minimize textile waste, and comply with global environmental regulations. Eeden's innovative approach aims to promote circularity in the apparel industry, facilitating the repurposing of textile waste into new products and supporting a sustainable future for fashion.
viboo
Convertible Note in 2022
Viboo specializes in self-learning predictive control technologies, leveraging physics-informed machine learning to enhance energy management in buildings. The company provides a cloud-based platform that delivers computationally efficient models for predictive control, catering primarily to smart thermostat manufacturers and building automation service providers. Its offerings include smart thermostat solutions for residential properties and automation services for light commercial buildings. Through an intuitive application programming interface (API), Viboo’s control algorithms facilitate the optimization of energy usage by taking into account user preferences and weather forecasts, thereby promoting energy efficiency in building operations.
INERATEC
Series A in 2022
INERATEC is a company dedicated to developing sustainable energy solutions through the production of innovative synthetic fuels and power-to-X plants. By focusing on replacing fossil fuels with carbon-neutral alternatives, INERATEC aims to contribute to a post-fossil fuel economy. The company specializes in generating renewable hydrogen and converting greenhouse gases, such as carbon dioxide and hydrogen, into various synthetic products, including e-kerosene, carbon dioxide-neutral diesel, synthetic waxes, and methanol. These products enable chemical plant operators to utilize synthetic fuels, which are derived from climate-neutral energy sources, thereby minimizing chemical waste and enhancing climate protection.
anybill
Seed Round in 2021
Anybill is a technology company that specializes in creating solutions for digital receipts, aiming to modernize the receipt issuance process in retail environments. Their platform enables retailers to issue digital receipts through cash register integration, offering a flexible and scalable API service that caters to businesses of various sizes and industries. Anybill's technology not only serves as an eco-friendly alternative to traditional paper receipts but also transforms receipts into a digital touchpoint for customer engagement. The company's services can be seamlessly integrated as white label modules into existing merchant and banking applications or utilized as a standalone solution, enhancing the overall retail experience by providing interactive and value-added features.
FarmInsect
Seed Round in 2021
FarmInsect GmbH, founded in 2019 and based in Bergkirchen, Germany, specializes in automated insect breeding systems designed to provide a sustainable and efficient source of animal feed. The company focuses on enabling local farmers to produce insect larvae from organic residues, which can be used as protein feed for livestock such as chickens, pigs, and fish. By offering a solution that replaces imported soy and fishmeal with locally sourced insect protein, FarmInsect aims to enhance the sustainability of animal husbandry while ensuring that farmers have a consistent supply of young larvae each week for their feeding needs.
Dimpora
Seed Round in 2021
Dimpora AG, based in Zürich, Switzerland, specializes in the design and manufacture of eco-friendly waterproof membranes for the outdoor textile industry. The company produces functional membranes that are primarily composed of polyurethane and utilize a unique template removal method to achieve breathability while maintaining water resistance. Dimpora's innovative technology allows for the direct application of membranes onto various 3D surfaces, enabling fast sweat transport and complete protection from rain. Committed to sustainability, Dimpora aims to develop next-generation high-performance membranes that enhance outdoor experiences without compromising environmental integrity. The company focuses on creating products that not only perform well but also prioritize the use of recyclable materials, aligning with its vision of promoting responsible enjoyment of nature.
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 specializes in the development and commercialization of advanced dispensing technologies aimed at enhancing efficiency and sustainability in the photovoltaics (PV) sector. The company's innovative solutions significantly reduce material consumption by applying front metal contacts onto solar cells, replacing traditional screen printing methods. This integration into existing production lines for silicon solar cells not only conserves resources but also boosts electricity yield and increases throughput. In addition to its primary focus on the PV industry, HighLine Technology also provides dispensing solutions for various other sectors, further demonstrating its commitment to improving operational efficiency and sustainability across multiple applications.
MagnoTherm
Seed Round in 2021
MAGNOTHERM, founded in 2019 and headquartered in Darmstadt, Germany, specializes in innovative cooling and heating technology utilizing magnetic materials. The company has assembled a team of over 40 experts with significant expertise in magnetic cooling and magnetocaloric materials. MAGNOTHERM aims to address the climate crisis by providing energy-efficient alternatives to traditional gas compression cooling, which contributes to at least 7% of global CO2 emissions. Its technology, which operates at low pressure, is designed to be up to 30% more energy efficient than existing systems while being non-explosive, non-flammable, and low maintenance. The company focuses on developing magnetic cooling systems suitable for various applications, including room temperature environments and hydrogen liquefaction plants, offering a sustainable solution that can help transition industries away from outdated gas compression methods.
Crocus Labs
Seed Round in 2021
Crocus Labs GmbH is a Berlin-based deep tech company focused on developing advanced light engine technology aimed at promoting a greener future. The company specializes in creating energy-efficient lighting solutions for wellness, horticultural, and specialty applications. By employing intelligent light-emitting diode technology and advanced data analytics, Crocus Labs provides precise lighting control that optimizes plant growth while minimizing energy consumption. This innovative approach supports indoor farms and greenhouses, allowing them to cultivate diverse crops efficiently. Crocus Labs aims to extend its cutting-edge research and technological advancements to residential, commercial, and industrial spaces worldwide.
Lignopure
Seed Round in 2021
Lignopure specializes in producing natural, degradable biopolymers derived from non-food sources, focusing on high-quality lignin products. The company's lignin stands out in the market due to its proven non-cytotoxicity and customizable properties, achieved through proprietary technology. Lignopure transforms raw lignin into valuable materials suitable for a variety of applications, including cosmetics, pharmaceuticals, and food supplements. Additionally, their biobased prototypes encompass insulating materials, biobased polyurethane foams, aerogels, and filaments for 3D printing. By providing safer alternatives to harmful chemicals currently used in material science, Lignopure aims to meet the growing demand for environmentally friendly products.
INERATEC
Seed Round in 2018
INERATEC is a company dedicated to developing sustainable energy solutions through the production of innovative synthetic fuels and power-to-X plants. By focusing on replacing fossil fuels with carbon-neutral alternatives, INERATEC aims to contribute to a post-fossil fuel economy. The company specializes in generating renewable hydrogen and converting greenhouse gases, such as carbon dioxide and hydrogen, into various synthetic products, including e-kerosene, carbon dioxide-neutral diesel, synthetic waxes, and methanol. These products enable chemical plant operators to utilize synthetic fuels, which are derived from climate-neutral energy sources, thereby minimizing chemical waste and enhancing climate protection.
Resourcify
Venture Round in 2018
Resourcify GmbH, founded in 2015 and based in Hamburg, Germany, operates a comprehensive cloud platform designed to streamline waste management and recycling operations for businesses. The platform offers features such as container pick-up and exchange services, waste collection information, and documentation generation, ensuring compliance with legal requirements. By digitizing waste management processes, Resourcify enables organizations to efficiently manage, track, and enhance their recycling efforts while significantly reducing administrative burdens and costs—reportedly by up to 40% compared to traditional methods. Trusted by leading companies across various sectors, Resourcify aims to foster a zero-waste future and improve sustainability practices through its innovative solutions, ultimately enhancing recycling rates and revenue from recyclable materials.
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.
viamon
Seed Round in 2014
viamon GmbH specializes in the development and marketing of GPS-based geo-fencing anti-theft systems aimed at protecting photovoltaic plants and high-value goods. The company provides comprehensive monitoring and theft protection services, which include 24/7 alarm monitoring through a control center, as well as user-friendly web portals and mobile applications for smartphones and tablets. Operating from Kaiserslautern, Germany, viamon serves a diverse range of markets including Germany, Spain, Switzerland, Namibia, Chile, and the Dominican Republic, focusing on the security needs of photovoltaic systems and inverters.
Saperatec
Seed Round in 2013
Saperatec, founded in December 2010, is based in Bielefeld, where it operates comprehensive production facilities focused on the separation of bonded and coated materials. The company specializes in recycling technology that enables the processing of multi-layer materials into secondary raw materials. Utilizing both physical and chemical principles, Saperatec's innovative technology enhances the conversion of waste into recyclable materials, providing valuable recycling alternatives for various products. Additionally, the facility includes a laboratory dedicated to exploring and developing new technologies, further advancing the company's capabilities in the recycling sector.
Subitec
Series B in 2012
Subitec GmbH, founded in 2000 as a spin-off from the Fraunhofer Institute for Interfacial and Biotechnology, specializes in manufacturing microalgae biotechnology cultivation equipment and turn-key production systems. The company offers a range of Flat Panel Airlift Photobioreactors in various sizes, including 6 liter, 28 liter, 100 liter, and 180 liter volumes, along with essential components such as lighting systems, media feeds, temperature control, and harvesting tools. Subitec's systems are designed for diverse applications, including nutraceuticals, food and feed, aquaculture, cosmetics, research, and energy markets. The company provides solutions for indoor, outdoor, compact, and hybrid systems, as well as pilot plants, enabling clients to produce sustainable bio-products from microalgae. Based in Stuttgart, Germany, Subitec operates as a subsidiary of Roeser Medical GmbH & Co. KG.
Clean Mobile
Series A in 2011
Clean Mobile AG, founded in 2006 in Munich, Germany, specializes in developing advanced electrical drive train technologies for light electric vehicles (LEVs). The company has established itself as a leader in this sector, focusing on innovative solutions for various applications, including cargo vehicles, bicycles, and electric scooters. With a dedicated team of over 20 skilled employees, Clean Mobile has created a patented electrical drive train system that aims to enhance the performance and efficiency of LEVs globally.
Saperatec
Seed Round in 2011
Saperatec, founded in December 2010, is based in Bielefeld, where it operates comprehensive production facilities focused on the separation of bonded and coated materials. The company specializes in recycling technology that enables the processing of multi-layer materials into secondary raw materials. Utilizing both physical and chemical principles, Saperatec's innovative technology enhances the conversion of waste into recyclable materials, providing valuable recycling alternatives for various products. Additionally, the facility includes a laboratory dedicated to exploring and developing new technologies, further advancing the company's capabilities in the recycling sector.
enymotion
Venture Round in 2008
Enymotion specializes in the development and production of ultra-quiet, zero-emission mobile fuel cell systems designed for recreational applications such as caravans and boats. These systems provide a self-sufficient power supply, utilizing the caloric equivalent of conventional fuels or liquid gas to deliver energy without generating noise or exhaust. By offering a reliable battery backup solution for motor homes, sailing boats, and utility vehicles, Enymotion enables consumers to enjoy independent power consumption while minimizing environmental impact.
Clean Mobile
Series A in 2008
Clean Mobile AG, founded in 2006 in Munich, Germany, specializes in developing advanced electrical drive train technologies for light electric vehicles (LEVs). The company has established itself as a leader in this sector, focusing on innovative solutions for various applications, including cargo vehicles, bicycles, and electric scooters. With a dedicated team of over 20 skilled employees, Clean Mobile has created a patented electrical drive train system that aims to enhance the performance and efficiency of LEVs globally.
Subitec
Series A in 2007
Subitec GmbH, founded in 2000 as a spin-off from the Fraunhofer Institute for Interfacial and Biotechnology, specializes in manufacturing microalgae biotechnology cultivation equipment and turn-key production systems. The company offers a range of Flat Panel Airlift Photobioreactors in various sizes, including 6 liter, 28 liter, 100 liter, and 180 liter volumes, along with essential components such as lighting systems, media feeds, temperature control, and harvesting tools. Subitec's systems are designed for diverse applications, including nutraceuticals, food and feed, aquaculture, cosmetics, research, and energy markets. The company provides solutions for indoor, outdoor, compact, and hybrid systems, as well as pilot plants, enabling clients to produce sustainable bio-products from microalgae. Based in Stuttgart, Germany, Subitec operates as a subsidiary of Roeser Medical GmbH & Co. KG.
Intelligent Fluid
Series A in 2006
Intelligent Fluids GmbH is a technology company specializing in the development of innovative, high-performance cleaning fluids that utilize a patented technology combining gentle ingredients to create dynamic phase fluids. These fluids are designed for specific applications and function effectively without chemical dissolving or etching, making them safe for users, equipment, and the environment. They are particularly suited for industries such as microelectronics, industrial maintenance, optics, printing, and building protection, among others. The company's products facilitate the removal of dirt, residues, coatings, and lacquers, offering significant advantages in process optimization and cost savings. Additionally, Intelligent Fluids is committed to sustainability, supporting multiple UN Sustainable Development Goals by reducing carbon emissions, energy consumption, and material use. Beyond its product line, the company also engages in joint development and private label agreements, further broadening its impact in the eco-friendly cleaning sector.
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