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.

Founded in 1995, SOSV is a global venture capital firm headquartered in New Jersey. It focuses on seed-to-growth stage investments in deep tech innovations, primarily in bio-tech/life sciences and hardware/robotics sectors, with a commitment to human and planetary health.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Founded in 2003, Union Square Ventures is a venture capital firm based in New York. It specializes in early to late-stage investments in internet-focused companies, with a focus on web services creating large networks and innovative use of information technology across industries like media, marketing, fintech, climate tech, and healthcare.

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.

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.

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.

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.

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.

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 2011, DCVC is a venture capital firm based in Palo Alto, California. The firm invests in early-stage companies utilizing deep tech to solve complex problems across sectors such as artificial intelligence, exascale computing, climate, engineering, materials science, robotics, space, water, biology, defense, and security.

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.

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.

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.

Founded in Tokyo in 1998, Global Brain is a venture capital firm focusing on seed to late-stage investments across various sectors globally. They have invested in over 300 startups, facilitating 25 IPOs and 61 M&As through hands-on support services.

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.

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.

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.

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 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.

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.

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.

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.

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 2019, Übermorgen Ventures is a venture capital firm based in Zürich, Switzerland. It invests in early-stage companies focused on climate technology, clean energy, carbon capture, and other sustainable sectors.

Fifth Wall is a venture capital firm founded in 2016 that concentrates on technology for the real estate industry, investing in startups and later-stage companies worldwide. It aims to connect real estate owners and operators with innovators redefining the built world, spanning sectors such as property technology, climate, energy, and tenant experience. Headquartered in California with offices in Venice and San Francisco, the firm maintains a broad network of strategic partners and limited partners from real estate, retail, hospitality and related sectors. Through its investments and collaborations, Fifth Wall supports portfolio companies in scaling solutions that improve operations, asset management and customer experience across markets in the United States, Europe and Asia. The firm has about $3 billion in commitments, reflecting its role as a leading source of capital for real estate technology.

Toyota Ventures is a San Francisco Bay Area-based venture capital firm founded in 2017. It invests globally in early-stage startups focusing on disruptive technologies and business models, with a mission to drive innovation for Toyota. The firm manages over $500 million across funds like the Frontier Fund (AI, cloud computing, autonomy, mobility, robotics, smart cities, digital health, fintech, materials, energy) and the Climate Fund (innovative carbon neutrality solutions).

Doral Energy-Tech Ventures is a corporate venture arm of Doral Group.

Chalmers Ventures is a Swedish venture capital firm based in Gothenburg that supports technology-driven companies through coaching, financing and business development. The firm invests across seed, early, and growth stages in Sweden, with programs that include incubation, startup camps and accelerator activities as well as a technology transfer program. It focuses on companies connected to the Gothenburg region and Sweden operating in information technology, communications, new materials, green tech, health tech and biotechnology, and seeks innovative ventures with growth potential. The firm typically makes minority investments and uses a staged funding approach, providing capital through various program phases and through balance sheet investments. It partners with ventures that participate in its programs, helping them advance from explore to scalable stages and achieve commercial success.

Planet A Ventures is a greentech venture fund looking to support European solutions for a sustainable future. Planet A Ventures has an in-house science team that calculates life cycle assessments to determine a startup's impact. Their scientists have the authority to veto investments if the impact is not significant and quantifiable. Planet A Ventures invests in European green tech start-ups that are making a significant positive impact on the environment while also building scalable businesses.

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.

Founded in 2016, Climate Investment is a venture capital firm based in London. It focuses on investing in companies operating in energy, technology, transportation, buildings, and related industries to facilitate the transition to lower carbon emission sources.

Founded in 1953, BDC Capital is a Canadian investment firm specializing in growth and expansion financing. It focuses on information technology, technology, energy, cleantech, and healthcare sectors across Canada.

Lightspeed Venture Partners is a global venture capital firm that backs startups across enterprise software, consumer technologies, fintech, healthtech, and cleantech from seed through growth stages. Founded in 2000 and headquartered in Menlo Park, California, it maintains offices in Beijing, Shanghai, New Delhi, and Herzliya to engage markets in the United States, Asia, and Israel. The firm focuses on technology-enabled businesses and has supported companies across software, mobile, data, e-commerce, and services, spanning early-stage to expansion rounds. It offers strategic guidance, network access, and capital, and has historically included debt financing as part of its investment approach. With a multi-region footprint and a broad multi-stage mandate, Lightspeed seeks to partner with entrepreneurs to scale innovative companies globally.

Evok Innovations is a Vancouver-based venture capital firm founded in 2015 that focuses on cleantech and accelerating the energy transition. It invests across North America in early-stage decarbonization technologies, including carbon management, clean fuels, electrification, and critical minerals.