Underdog is a company that specializes in refurbishing and selling second-hand household appliances. It operates an online platform dedicated to providing pre-owned home appliances that come with a warranty. The company's offerings include a variety of diagnosed, repaired, cleaned, and thoroughly tested appliances. Underdog aims to promote recycling and sustainable consumption by enabling customers to purchase professionally checked appliances at lower rates compared to new ones.
NatureMetrics
Series B in 2025
NatureMetrics is a company that specializes in biodiversity monitoring through the use of environmental DNA (eDNA) technology. By leveraging advanced molecular methods, the company identifies and quantifies a wide variety of organisms in natural ecosystems. NatureMetrics provides actionable insights that support informed decision-making for environmental conservation and impact assessments. Its platform enables environmentalists to monitor biodiversity effectively over extensive spatial and temporal scales, addressing the complexities of nature in a way that enhances understanding and management of ecosystems.
Grenergy Renovables
Post in 2025
Grenergy Renovables, S.A. is an independent energy producer based in Madrid, Spain, specializing in the design, development, construction, and operation of large-scale renewable energy plants, primarily in the solar and wind sectors. Founded in 2007, the company has established a significant presence in Latin America, with operations in countries such as Chile, Mexico, Peru, Colombia, Argentina, and Spain. Grenergy Renovables is involved in various activities, including the promotion and commercialization of renewable energy installations, the production and sale of electric energy, and the management of renewable energy facilities. Its diversified business model allows it to adapt to the specific circumstances of each market, enabling the company to effectively capitalize on the growing demand for renewable energy solutions. Grenergy Renovables is a subsidiary of Daruan Group Holding, S.L.
UltraTech Cement
Post in 2024
UltraTech Cement is an Indian multinational company producing and distributing gray cement, ready-mix concrete, and white cement. It serves as a comprehensive building materials provider, committed to environmental sustainability through reduction, reuse, and recycling initiatives.
Siemens Gamesa Renewable Energy
Debt Financing in 2024
Siemens Gamesa Renewable Energy is a leading global company in the renewable energy sector, specializing in the development, manufacturing, installation, and maintenance of wind turbines. Founded in 1976 and headquartered in Zamudio, Spain, the company is committed to driving the transition towards a sustainable world by providing innovative wind power solutions. Siemens Gamesa offers tailored wind turbine designs and multi-brand services, which include advanced analytics and offshore logistics, enabling efficient diagnosis and remote issue resolution. With a strong focus on customer needs and sustainability, Siemens Gamesa aims to play a pivotal role in the advancement of renewable energy technologies.
Akaysha Energy
Debt Financing in 2024
Akaysha Energy specializes in the comprehensive development of Battery Energy Storage Systems (BESS) and renewable energy projects throughout Australia. The company manages a diverse portfolio that includes utility-scale battery storage, hybrid plants integrating large-scale solar photovoltaic and wind energy, and commercial and industrial battery energy storage solutions. Additionally, Akaysha Energy is involved in the development of virtual power plants and electric vehicle fleets, as well as green hydrogen production. By guiding clients and partners through various stages of energy technology project development, delivery, and execution, Akaysha Energy aims to facilitate the transition to sustainable energy solutions.
Grenergy Renovables
Post in 2024
Grenergy Renovables, S.A. is an independent energy producer based in Madrid, Spain, specializing in the design, development, construction, and operation of large-scale renewable energy plants, primarily in the solar and wind sectors. Founded in 2007, the company has established a significant presence in Latin America, with operations in countries such as Chile, Mexico, Peru, Colombia, Argentina, and Spain. Grenergy Renovables is involved in various activities, including the promotion and commercialization of renewable energy installations, the production and sale of electric energy, and the management of renewable energy facilities. Its diversified business model allows it to adapt to the specific circumstances of each market, enabling the company to effectively capitalize on the growing demand for renewable energy solutions. Grenergy Renovables is a subsidiary of Daruan Group Holding, S.L.
Zolar
Debt Financing in 2024
Zolar is a Berlin-based company that designs, installs, and provides online tools for residential solar and battery systems. Through an online configurator, homeowners can specify system size and components, access planning data for their property, and receive guidance from solar energy experts, with installation handled by a network of local partners. The business combines solar generation, storage, and mobility to support energy-independent homes and to help households reduce their carbon footprint. Founded in 2016, Zolar aims to simplify the transition to private energy provision by enabling customers to generate green electricity for their own premises and participate in climate protection through distributed energy projects. The company operates across Germany and offers planning, advice, and on-site installation to deliver a turnkey solar solution for residential properties.
Stegra
Debt Financing in 2024
Stegra operates a state-of-the-art steel production plant designed to accelerate the decarbonization of the European steel industry. It achieves this by integrating green hydrogen technology, renewable energy sources, and artificial intelligence to produce fossil-free steel at competitive prices.
Tri’n’collect
Seed Round in 2023
Tri'n'collect provides a customized service for sorting, collecting, and recycling building trash. Tri'n'collect is a mission-driven corporation whose major goal is to protect the planet's natural resources by preventing building site waste and recycling it in a circular economic loop. T'n'C works with individual home builders, developers, real estate developers, public works companies, and renovation and deconstruction sites.
Toopi Organics
Series A in 2023
Toopi Organics is a biotechnology company based in Langon, France, established in 2019. It develops microbiological and agricultural technologies to transform human urine into fertilizers and biostimulants for agriculture. The company collects and upcycles human urine, depollutes and enriches it with microorganisms to provide natural, economical, and efficient alternatives to chemical fertilizers. Its products include Arbop and Vitip, which support plant growth and crop health, offering farming communities an environmentally conscious option for nutrient supply.
Aphea.Bio
Series C in 2023
Aphea.Bio is a company focused on developing next-generation biopesticides and biostimulants derived from natural microorganisms. Its biopesticides serve as an alternative to conventional chemical pesticides, addressing the increasing pressure on synthetic chemical use in agriculture. Additionally, the company creates biostimulants that enhance crop growth by improving the uptake of nutrients from the soil. Aphea.Bio's products aim to sustainably increase crop yields and health, specifically targeting crops such as maize and wheat. By utilizing proprietary technologies, the company accelerates the discovery of innovative biocontrol and biostimulant solutions, enabling farmers to manage pests, diseases, and fertilizer application more effectively.
Ecoat
Venture Round in 2023
Ecoat develops and manufactures bio‑based binders and coatings that reduce the carbon footprint of the paint and coating industry. Its product line includes water‑based, bio‑based alkyd emulsions, tension‑free specialty oils, and urethane‑modified alkyd emulsions, as well as air‑purifying emulsions and other specialty products such as secoia and inokem. The company supplies these sustainable binders to manufacturers of architectural, wood, and metal protective coatings, allowing them to produce eco‑friendly paints and varnishes without sacrificing performance.
Local Bounti is an agriculture company based in Hamilton, Montana, focused on controlled environment agriculture. Established in 2018, it specializes in producing and delivering fresh herbs, vegetables, and other products primarily to wholesale restaurant and grocery accounts. The company employs proprietary technology to cultivate leafy greens and herbs in innovative greenhouses, which maintain optimal conditions for growth while using less water and land than traditional farming methods. Local Bounti's products are non-GMO, free from herbicides and pesticides, and are designed to have a longer shelf life and superior taste. By building local facilities operated by local teams, the company aims to serve its communities while minimizing its carbon footprint and environmental impact.
Stegra
Debt Financing in 2022
Stegra operates a state-of-the-art steel production plant designed to accelerate the decarbonization of the European steel industry. It achieves this by integrating green hydrogen technology, renewable energy sources, and artificial intelligence to produce fossil-free steel at competitive prices.
Perfumeo
Seed Round in 2021
Perfumeo develops an AI-powered smart home fragrance diffuser that adapts scents to user moods, creating personalized fragrance experiences. The device integrates with smart home systems and uses advanced technology to store and release multiple scent capsules.
Local Bounti is an agriculture company based in Hamilton, Montana, focused on controlled environment agriculture. Established in 2018, it specializes in producing and delivering fresh herbs, vegetables, and other products primarily to wholesale restaurant and grocery accounts. The company employs proprietary technology to cultivate leafy greens and herbs in innovative greenhouses, which maintain optimal conditions for growth while using less water and land than traditional farming methods. Local Bounti's products are non-GMO, free from herbicides and pesticides, and are designed to have a longer shelf life and superior taste. By building local facilities operated by local teams, the company aims to serve its communities while minimizing its carbon footprint and environmental impact.
Archaea Energy
Post in 2021
Archaea Energy is a developer of renewable natural gas (RNG) in the United States. Founded in 2018 in Canonsburg, Pennsylvania, the company focuses on capturing waste emissions and converting them into low-carbon fuel. It builds, operates, and maintains RNG facilities to supply fuel for industries difficult to electrify. Archaea Energy aims to redefine the RNG industry through a disciplined, sustainable project-development approach and by selling RNG under long-term, fixed-price contracts to creditworthy partners. The business emphasizes cost-efficient manufacturing and scalable deployment of RNG projects to support decarbonization efforts.
CELESTE
Debt Financing in 2021
Celeste SAS is a French company that provides high-speed fiber optic Internet and telephony services primarily for businesses. Founded in 2001 and based in Marne-la-Vallée, the company offers a comprehensive range of solutions, including optical fiber and interconnection services, various Internet connections such as SDSL and 4G, and VPN network services. Additionally, Celeste provides Internet services tailored for businesses, including UTM firewalls, Anti-DDoS solutions, and file-sharing services. Their telephony offerings encompass HD telephony, standard telephony, and mobile services. The company also specializes in data center solutions, offering services like cloud storage and virtual servers. By focusing on delivering robust digital infrastructure, Celeste enables businesses to communicate efficiently and securely.
Purecontrol
Venture Round in 2021
Purecontrol is a developer of industrial automation systems that leverage artificial intelligence to facilitate continuous improvement in complex installations. The company's platform employs advanced AI algorithms to analyze equipment operations, enabling real-time and predictive control. By enhancing industrial performance and optimizing energy efficiency, Purecontrol helps organizations improve process reliability while simultaneously reducing energy costs and their carbon footprint. Additionally, the platform supports predictive maintenance, allowing companies to anticipate needs and minimize downtime, thereby streamlining operations effectively.
SET Ventures
Funding Round in 2019
SET Ventures is an Amsterdam-based venture capital firm founded in 2007 that invests in European energy and renewable sector companies across early to growth stages. It backs digital technology-enabled solutions aimed at carbon-free energy systems, including energy generation, distribution and storage, energy efficiency, and smart energy applications in buildings, industry, mobility, and infrastructure. The firm targets investments in technology-enabled clean energy and sustainability initiatives, often with a focus on smart grid, energy storage, and EV/green building applications, and seeks to support portfolio companies with strategic guidance, including board participation. Typical check sizes range from approximately €0.5 million to €6 million per company over the life of participation. SET Ventures concentrates on Europe and prioritizes companies that combine software and hardware components to create scalable energy solutions.
Sunna Design
Series A in 2017
Sunna Design is a France-based lighting solutions company that designs and manufactures LED and solar lighting products, including integrated solar street lights for isolated and urban areas and related projects, as well as solar-powered smart grids and design services. Its products illuminate public spaces with limited or no access to electricity, enabling autonomous, sustainable lighting in remote or underserved areas. Founded in 2011 and headquartered in Blanquefort, France, Sunna Design focuses on renewable energy-powered public lighting to improve safety and reduce pollution and operating costs.
EkWateur is a French energy retailer established in 2015 with the aim of becoming a significant player in the country's energy market. The company offers its customers 100% renewable electricity at competitive prices, along with natural gas and wood fuel options for both residential and business clients. EkWateur stands out by providing an innovative, user-friendly platform that enables seamless switching to greener energy sources in just a few clicks. Its mission is to accelerate the transition towards cleaner energy by increasing demand for renewables, thereby encouraging large-scale producers to replace fossil fuels.