Founded in 2010, EIT InnoEnergy is a leading European innovation engine focused on Sustainable Energy. It invests in early-stage climate tech and energy companies across Europe and the US, providing equity minority investments and added value services to de-risk projects.

Breakthrough Energy Ventures is an investor-led venture capital firm based in Kirkland, Washington, focused on climate and energy technology. It makes minority investments across seed, early, and later stages in companies delivering environmental services, climate technology, and cleantech solutions. The firm seeks scalable technologies that provide reliable, affordable power while reducing greenhouse gas emissions and supports innovations that address energy access, infrastructure, and transportation needs. Its mission emphasizes patient, impact-oriented investing to accelerate the transition to low-emission energy systems.

Lowercarbon Capital is a venture capital firm founded in 2018 and based in Jackson, Wyoming, that funds research and invests in companies developing technologies to reduce CO2 emissions and advance decarbonization, with a focus on energy, transportation, industrial materials, and agriculture.

SOSV is a global venture capital firm that supports early-stage startups through active, founder-first development programs. Its flagship initiatives HAX and IndieBio provide facilities, engineering resources, services, and laboratory equipment to accelerate product development and prepare companies for subsequent funding rounds. SOSV focuses on deep technology across health, environmental, and cross-border software sectors, aiming to solve human and planetary health challenges. In addition to providing capital, the firm emphasizes intensive programmatic support to help portfolio companies move quickly from seed toward growth, including customer acquisition and scale. The firm operates globally with a bias toward startups targeting rapid international expansion, especially in Asia, and tends to back a small cohort of high-potential companies to accelerate their progress and attract leading investors.

Established in 2020, the European Innovation Council supports innovative startups and researchers with promising ideas, focusing on early-stage companies with positive environmental, social, or governance impacts. It co-invests alongside private investors.

Founded in Singapore in 2017, Antler is an early-stage venture capital firm that invests globally. It focuses on backing exceptional founders from day one, offering a global community network of co-founders, talent, advisors, expansion support, and capital across various sectors such as technology, healthcare, finance, consumer goods, and more.

Energy Impact Partners is a New York-based private investment firm focused on the energy transition. It backs entrepreneurs and established energy and industrial companies across venture, growth, credit and infrastructure, with an emphasis on energy efficiency, clean energy generation, smart grids, energy storage, distributed generation, and related digital and data-enabled services. The firm collaborates with partners to accelerate innovation in smart buildings, mobility, cybersecurity for energy systems, and comprehensive energy services, often pursuing co-investments. Since its founding in 2015, Energy Impact Partners has built a global footprint with offices in New York, San Francisco, Palm Beach, Cologne and London, enabling investments across North America and Europe. It seeks to align investments with environmental impact and scalable infrastructure, supporting the transition to sustainable energy and resilient energy systems.

European Bank for Reconstruction and Development finances projects and provides advisory services to the public and private sectors. It supports new ventures and expansion in existing companies through project financing, loans, and equity or quasi-equity investments, including equity funds and guarantees, and it partners with private entities to invest across sectors such as banking, energy, manufacturing, infrastructure, information technology, and services. The bank also helps publicly owned entities privatize and restructure municipal services and engages in policy reform dialogue and advisory services, along with trade finance and loan syndication. Founded in 1990 and headquartered in London, it operates across regions including Southeastern and Central Europe, the Baltic States, Eastern Europe and the Caucasus, Central Asia, and parts of the Middle East and Africa, aiming to foster market-oriented change and private sector development by mobilizing capital for sustainable investments. It has invested more than €130 billion in over 5,200 projects.

Clean Energy Ventures is a venture capital firm focused on seed and early-stage investments in climate technology and advanced energy innovations. The firm targets technologies and business model innovations that address climate change and greenhouse gas emissions, with emphasis on energy storage, grid connectivity, renewable energy production, clean transportation, and the water-energy nexus. It seeks scalable solutions ready for commercial deployment and supports them with capital and guidance to accelerate growth. Headquartered in Boston, Massachusetts, Clean Energy Ventures is the venture capital arm of Clean Energy Venture Group and concentrates its activity in the United States and Canada, drawing on the group’s network and operational experience to help portfolio companies scale.

Shell Ventures is the strategic investment arm of Shell, focusing on identifying and adopting innovative technologies to enhance commercial advantage. It invests in promising tech companies, joint ventures, and venture capital funds across sectors such as power, mobility, emission management, digital, and resources.

Chevron Technology Ventures is the corporate venture capital arm of Chevron Corporation, focused on scouting, funding, testing, validating, and integrating emerging technologies into Chevron's core businesses. Founded in 1999 and based in Houston, with a presence in California, it identifies early-stage companies across the United States and pursues opportunities in areas such as industrial decarbonization, emerging mobility, energy decentralization, circular economy, water management, advanced materials, hydrogen infrastructure, sensors, and related digital technologies. The team collaborates with startups to develop and commercialize technologies that can enhance Chevron's operations, reduce costs, and improve performance, acting as an innovation partner that helps Chevron adopt new capabilities while aligning with the company's strategy.

Prelude Ventures is a San Francisco-based venture capital firm established in 2013, dedicated to investing in early-stage startups that aim to address climate change. The firm focuses on sectors such as advanced energy, food and agriculture, transportation, logistics, advanced materials, manufacturing, and advanced computing. By supporting innovative businesses in these areas, Prelude Ventures seeks to foster the development of the next generation of companies that can significantly impact environmental sustainability and contribute to a more sustainable future.

SFC Capital is a United Kingdom based venture capital firm founded in 2012 that focuses on early-stage investments, including pre-seed and seed rounds, in sectors such as software, technology, e-commerce, consumer products, enterprise solutions, green technology, medical technology, and hospitality. It backs UK startups through an Angel Network and seed funds, providing capital and guidance and offering access to SEIS- and EIS-qualifying investment opportunities. The firm is described as a leading seed investor in the UK.

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.

Established in 2001, Sustainable Development Technology Canada (SDTC) is a Canadian organization that funds and supports innovative cleantech projects. It focuses on moving groundbreaking technologies to market, creating jobs, driving economic growth, and promoting environmental benefits. SDTC operates independently but collaborates with various stakeholders from private industry, academia, and governments.

EDP Ventures is the corporate venture arm of EDP Energias de Portugal. It targets seed, series A and early-stage startups operating in energy-related sectors, including energy efficiency, energy storage, smart grids, electric mobility, and information technology. The firm invests across regions, typically providing €0.5 million to €5 million in early-stage rounds. Based in Lisbon, Portugal, EDP Ventures maintains an additional office in Sao Paulo, Brazil. By backing high-potential startups, it seeks to accelerate innovation and adoption of clean energy and digital technologies within the broader energy ecosystem.

GAIA Impact Fund is a venture capital firm that specializes in renewable energy, focusing on building long-term partnerships with startups in Sub-Saharan Africa and South-East Asia. With a strong environmental and social focus, the firm supports businesses that provide sustainable and affordable energy to local communities. GAIA Impact Fund also works to promote technological innovations and business models that facilitate the widespread adoption of renewable energy in regions where energy mixes are highly carbonized.

BP Ventures is a venture capital firm established in 2007, investing in private technology companies to accelerate innovation across the energy sector. With over $400 million invested across more than 40 entities and over 200 co-investors, BP Ventures focuses on Oil & Gas Value Chain, Low Carbon Technologies & Fuels, and Energy Usage & Trading, delivering near-term business value while backing breakthrough innovations for a sustainable future.

Congruent Ventures is a venture capital firm founded in 2017 and based in the San Francisco Bay Area. It specializes in early-stage investments in climate technology and sustainable development across North America, with a focus on mobility and urbanization, energy transition, food and agriculture, and sustainable production and consumption. The firm seeks technology companies that improve energy and resource efficiency and partners with teams capable of scaling hardware, software, or services. Its portfolio spans sectors such as transportation, consumer products, industrials, IT software, and related climate tech areas, reflecting a commitment to backing ventures that deliver measurable environmental impact.

Founded in 2019, MCJ is a venture capital firm based in Boston, Massachusetts. The company focuses on investing in technology startups that drive industrial transformation and infrastructure resilience, aiming to make industries cleaner, more profitable, and more resilient.

Alumni Ventures Group is a venture capital firm based in Manchester, New Hampshire, with offices across North America. It provides access to venture investing for individual accredited investors, particularly alumni networks, by offering diversified portfolios of venture opportunities and allowing members to invest alongside fellow alumni in ventures led by peers. The firm backs early-stage and later-stage opportunities across technology, consumer, healthcare, financial services, and other sectors, with a sector- and geography-agnostic approach. It typically invests between $10,000 and $3 million per deal and emphasizes the involvement of alumni connections and an institutional lead investor in opportunities. Alumni Ventures also offers focused funds to broaden participation, enabling accredited investors to access venture portfolios diversified by type, sector, stage, and geography. The model aims to democratize access to venture capital while maintaining rigorous selection standards through alumni networks.

Khosla Ventures is a California-based venture capital firm founded in 2004 by Vinod Khosla. It provides capital and strategic guidance to startups across stages, focusing on technology-driven companies in areas such as artificial intelligence, climate and sustainability, enterprise software and services, fintech, digital health, medical technology and diagnostics, therapeutics, consumer products, and frontier technologies. The firm backs bold ventures with the potential to disrupt markets and improve lives, supporting companies from early to growth stages and working closely with entrepreneurs to apply science, technology and innovative business models. While primarily investing in North American technology companies, Khosla Ventures pursues opportunities globally and emphasizes experimentation and impact alongside financial returns. The firm also maintains related impact initiatives that support entrepreneurs addressing socio-economic challenges in emerging markets.

Founded in 2005, Demeter Partners is a Paris-based private equity firm specializing in investments that drive the ecological transition. It focuses on seed to late-stage companies and infrastructure projects across Europe, with a particular emphasis on France. The firm invests between €0.5 million and €30 million, typically taking minority stakes and seeking board seats.

Founded in Berlin, Germany, AENU is an impact fund driving systemic transformation in venture capital by focusing on long-term investments in early-stage European climate-tech and social impact companies.

Helen Ventures is the corporate venture capital arm of Helen, founded in 2019 and headquartered in Helsinki, Finland. It invests from its balance sheet in early and growth‑stage startups across Europe and Israel, with a focus on energy, e-mobility, circular economy, decarbonization, and digital solutions for the energy sector. The firm targets renewable energy technology, smart energy solutions, distributed energy systems, and related digital platforms, seeking to accelerate the adoption of transformative technologies in collaboration with customers and industry experts. By supporting startups that advance sustainable energy and related digital capabilities, Helen Ventures aims to help create new energy era solutions accessible to customers and partners.

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.

Energy & Environment Investment, Inc. is a Tokyo-based impact investment firm founded in 2006, specializing in the clean technology sector. As Japan's first venture capital firm dedicated to this area, it aims to support promising ventures by providing both financial resources and strategic guidance. The firm is comprised of experienced professionals who have a strong background in founding and managing companies within the venture capital landscape. By focusing on the environment and energy sectors, Energy & Environment Investment seeks to foster innovation and sustainable practices in clean technology, contributing to the broader goals of environmental sustainability and energy efficiency.

Founded in 2013, Powerhouse is an innovation firm that supports seed-stage startups developing software to accelerate decarbonization in global energy and mobility systems. It offers a 6-month program, investing $50,000 to $250,000 for equity stakes.

Founded in 2018, Climate Capital is a venture capital firm based in San Francisco. It invests in companies that directly or indirectly reduce global greenhouse gas emissions across sectors such as energy, transportation, and agriculture.

Founded in 2015, FJ Labs is a New York-based venture capital firm focusing on stage-agnostic investments in marketplaces and consumer-facing startups. Their investment range varies from $50,000 to $5,000,000, typically at seed or series A stages.

Fifth Wall is a venture capital firm focused on technology for the global real estate and built environment. Founded in 2016, it backs startups and growth-stage companies that develop real estate technology across sectors such as retail, office, residential, industrial and hospitality, as well as related climate and energy technologies. The firm aims to connect real estate owners and operators with entrepreneurial teams to enable strategic collaborations and transformational investments. It emphasizes solutions that improve efficiency, sustainability and tenant experiences, and maintains a broad network of strategic partners and investors from the real estate industry worldwide.

MassVentures is a venture capital firm based in Waltham, Massachusetts, established in 1978 as a quasi-public corporation by the Massachusetts Legislature. The firm focuses on providing seed and early-stage funding to high-growth startups, facilitating their transition from concept to commercialization. MassVentures invests primarily in sectors such as information technology, healthcare, cybersecurity, e-commerce, mobile, manufacturing, and robotics. With a governance structure that includes an independent Board of Directors and management by experienced venture capitalists, MassVentures leverages the state's entrepreneurial spirit and innovation centers to support the Massachusetts innovation economy. The firm also offers accelerator programs to further assist emerging companies in their growth journey.

Giant Ventures is an impact investment firm founded in 2019 and based in London, United Kingdom. It backs purpose-driven founders who are building companies that address meaningful problems and create positive change. The firm focuses on investments in climate, health and wellness, and inclusive capitalism, aiming to support ventures that generate measurable social or environmental impact alongside financial returns.

Green Angel Ventures, founded in 2013 and based in London, England, is a venture capital firm that focuses on early-stage investments in climate innovation. The company specializes in identifying and supporting inventions that address climate change across various sectors, including energy, carbon removal, nature-based solutions, food and agriculture, transport, industry, and recycling. By evaluating impactful projects and providing necessary funding, Green Angel Ventures aims to foster the growth of innovative solutions that can effectively combat climate challenges on a global scale.

Founded in Rome, Italy in 2015, CDP Venture Capital is a venture capital firm dedicated to fostering innovation and economic growth. It invests in early-stage and growth companies across various sectors, with a focus on Italian startups.

Established in 2020 by Amazon, the Climate Pledge Fund is dedicated to investing in innovative companies that focus on sustainable technologies and services. With an initial commitment of $2 billion, it aims to facilitate a transition to a low-carbon economy.

Hy24 is an investment platform dedicated to clean hydrogen infrastructure, aimed at reducing global carbon emissions. The platform focuses on funding early-stage and strategic projects that are essential for global decarbonization efforts. By investing in infrastructure critical to realizing hydrogen's potential as a low-carbon energy source, Hy24 supports initiatives that yield significant positive returns and align with global climate goals. Through its targeted investments, Hy24 plays a crucial role in advancing the development of hydrogen technologies and promoting sustainable energy solutions.

Statkraft Ventures is a venture capital investor focused on the energy transition and climate tech. Based in Germany, it partners with early- and growth-stage start-ups in Europe and North America, providing capital and expertise to accelerate sustainable energy solutions.

Copenhagen Infrastructure Partners is a multinational team specializing in regulated infrastructure and renewable energy investments. The firm brings extensive experience in corporate finance, mergers and acquisitions, engineering, project development and project management, with many partners having held senior positions at major energy companies. CIP focuses on developing and investing in energy infrastructure across Europe, Asia and North America, including offshore and onshore wind, solar, transmission and other renewables, as well as related assets such as biomass and hydro storage. The group emphasizes long-term ownership and value creation through hands-on project delivery and operational management, aiming to deploy capital into sustainable infrastructure with durable cash flows and positive environmental impact.

Founded in Berlin, Germany in 2020, Vireo Ventures is a venture capital firm focusing on seed and pre-seed stage investments. It supports European tech startups driving electrification and digitalization, taking a long-term view and providing extensive support to its portfolio companies.

Overture VC is a venture capital firm founded in 2021 and headquartered in Los Angeles, California. It focuses on early‑stage climate‑technology companies, providing capital and expertise to help them navigate government and regulatory challenges. The firm supports visionaries working toward a sustainable future.

SDIC Innovation Investment Management is the private equity and venture capital arm of State Development & Investment Corp. It was founded in July 2009 and is headquartered in Beijing, China, with an additional office in Asia. The firm targets investments in mobile internet, the Internet of Things, cloud computing, big data, and information technology services. It also focuses on intelligent robotics, intelligent manufacturing, industrial robotics, electric and new‑energy vehicles, high‑end medical equipment, advanced diagnostics, modern agricultural equipment, high‑end ships, marine engineering, rail transport equipment, new materials, clean energy, energy conservation, environmental protection, financial services, advanced manufacturing technology, industrial internet, media, technology, and healthcare. For new‑energy vehicles, it prioritises the intelligent upstream and downstream chain, power batteries, power systems, and advanced technology supply chains. In advanced manufacturing, it prefers medicine and health sectors.

Founded in 2020, GS Futures is a venture capital firm based in San Mateo, California. It focuses on early-stage investments in climate technology, energy transition technology, construction & real estate technology, and consumer technology sectors.

Extantia Capital is a climate-first venture capital firm, based in Berlin, Germany, founded in 2020. It concentrates on supporting deep decarbonisation technologies and mission-driven ventures aiming to accelerate the transition away from fossil fuels. It seeks to back companies capable of delivering substantial CO2e reductions, targeting scalable business models with high impact. Extantia collaborates with scientists, investors, and business leaders to advance climate solutions and align funding with measurable environmental outcomes. The firm has over €100 million in assets under management. It operates two investment approaches: Extantia Flagship, which backs scalable decarbonisation technology companies, and Extantia Allstars, which invests in climate-focused venture capital funds. The emphasis is on selecting emerging leaders with the potential to drive large-scale emissions reductions and commercial viability.

NGP Energy Capital Management is a private equity and venture capital firm focusing on energy investments. Founded in 1988 and headquartered in Irving, Texas, with offices in Houston, London, Santa Fe, and Stamford, it manages a family of energy-focused funds. The firm invests across the energy value chain, including oil and gas exploration and production, midstream, oilfield services, energy efficiency, alternative energy, natural gas gathering and processing, and power technology, as well as related areas such as water resources, food and agriculture, and coastal protection. It targets a range of capital events from seed and startup funding to growth equity, middle-market and later-stage buyouts, and may co-invest in direct oil and gas property interests alongside portfolio companies. Typical investments span from a few million to several hundred million dollars, with a North American focus and selective international opportunities. The firm aims to partner with management teams to support growth and help navigate the challenges of the energy industry.

ArcTern Ventures is a Toronto-based Canadian venture capital firm that makes early-stage investments in cleantech and sustainability-focused companies. Established in 2012, it targets technologies across clean energy, energy efficiency, storage, circular economy, advanced manufacturing and materials, mobility, agtech and sustainable food and agriculture. The firm funds early-stage ventures with geographic reach in North America and Europe and pursues ESG and impact outcomes aligned with climate, energy and industrial decarbonization goals. Its portfolio spans energy equipment, software and hardware, energy technology and related IT innovations developed to reduce environmental impact.

Union Square Ventures is a New York-based venture capital firm founded in 2003 that invests across stages from seed to growth in internet-enabled companies. It concentrates on the applications layer of the web, internet services, and mobile platforms that build large networks and benefit from network effects. The firm seeks opportunities where information technology enables scalable business models in sectors such as media, marketing, fintech, climate tech, cryptonetworks, healthcare, and IT-enabled services. Typical initial investments start around $1 million, with larger commitments in select Series A rounds and total checks often reaching up to $20 million per company. It aims to lead investments and maintains active involvement with founders. Primary focus markets include New York, San Francisco, London, and Berlin, reflecting a global footprint with network-driven growth.

Founded in Munich, Germany in 2015, Picus Capital is an early-stage technology investment firm with a long-term investment philosophy. It works closely with daring founders to build successful global companies across various sectors including financial services, HR, energy & climate, healthcare, logistics & mobility, real estate & construction, crypto & web3, deeptech, and e-commerce. Picus invests in pre-seed, seed, and series A ventures, aiming to become the closest partner of its portfolio companies by supporting strategic decisions and operative challenges throughout their lifecycle.

Rubio Impact Ventures is an Amsterdam-based venture capital firm focused on impact-driven investments in the Netherlands. Founded in 2014, it targets early and growth-stage opportunities across sectors including healthcare, information technology, artificial intelligence, energy, financial services, education technology, food technology, climate technology, agriculture technology, and both consumer and business-to-business models. The firm typically makes equity investments between €0.5 million and €8 million and emphasizes ventures that deliver measurable social and environmental benefits, such as improvements in nutrition, education and employment opportunities, and sustainable development within Dutch markets.

Speedinvest is a venture capital firm based in Vienna, with offices in Berlin, Paris, London, Munich, and San Francisco, that focuses on early-stage technology investments across Europe, including Central and Eastern Europe. The firm backs seed to early growth rounds in areas including deep tech, fintech, health, industrial tech, marketplaces, consumer tech, software-as-a-service, and network effects, with a platform philosophy and hands-on support via an in-house Platform+ team that provides growth marketing, human resources, US business development, and networking assistance from day one. Typical investments range from a few hundred thousand euros up to about three million euros, with a preference for minority stakes up to around 20% and for taking co-entrepreneurial operational roles for six months to a year. Speedinvest was founded in 2011 and is known for combining capital with hands-on operational support to help portfolio companies scale.