Best Growth Climate & Clean Energy Investors 2026

Invested at the seams of sector transition. S2G identifies opportunities at critical intersections of food & agriculture, oceans, and energy. The firm backs market-based solutions that deliver both economic returns and systems-level change across interconnected, commodity-driven, policy-sensitive sectors. S2G explicitly rejects siloed investing, instead seeking companies operating within Resource Efficiency, Mass Digitalization, Agile Supply Chains, and Conscious Customer themes.

Third Nature invests in entrepreneurs building businesses that work in partnership with nature to address interconnected earth systems challenges. We believe that silver bullets and singular investments can't solve urgent planetary challenges—instead, we back founders whose uncompromising vision transforms entire markets and sectors for planetary regeneration.

Invest in sustainable food and beverage companies while supporting underrepresented and diverse entrepreneurs. We provide capital combined with operational expertise in distribution, operations, food safety, marketing, and logistics. We believe industrial agriculture is a major environmental threat and are committed to building a more sustainable and equitable food system.

Evidence-based, multi-stage investing in healthcare, life sciences, and planetary health. RA Capital pairs deep scientific diligence (via proprietary TechAtlas platform) with flexible multi-stage capital—from NewCo incubation through public markets—to support breakthrough companies from inception through commercialization. The firm's core belief is that rigorous landscape research and scientific depth consistently identify winners before the market recognizes them.

We back bold founders at the earliest stages with capital and deep operational support. High-conviction, long-term partnerships with founders solving real problems. Founder-market fit above all else. Speed, transparency, and staying committed through difficult times.

We invest in technology-driven transformational companies shaping the future of business, entertainment and society. We foster Sony's future businesses through strategic early-stage venture investments, seeking technologies with potential to transform industries while building synergies with Sony Group business units.

Galvanize invests at the intersection of energy innovation, resilience, and intelligence, backing the 'New Economy' companies essential to electrification, rising power demand, industrial modernization, and digitization -- from pre-seed food/agriculture/ocean/forestry ventures (Ponderosa) through growth-stage energy transition and AI-infrastructure companies (Venture & Growth).

Demea Sustainable Investment backs startups, SMEs, mid-caps, and infrastructure projects driving the ecological and agricultural transition, across agriculture, agri-food, energy, environment, sustainable solutions, and green industry, with capital ranging from venture and growth equity through buyout, infrastructure, mezzanine, and private debt.

Passion and vision matter more than pedigree. We seek founders with grit, audacity, and a spark of rebellion—regardless of background. We invest early, before success is inevitable, and support founders from 0-to-1 through Series A.

The agrifood value chain has reached a tipping point where incremental change is not enough; systemic disruption and regeneration of the food and agriculture system is required to restore human, planetary, and economic health.

Technology and capital solutions for the global energy transition. We partner with entrepreneurs to build and scale innovative companies that power a better energy future, supported by collaborations with utilities and industrial incumbents.

Innovation is essential to solving climate change while maintaining prosperity. Superior performance and affordability are prerequisites for global scale. We provide patient capital and technical expertise to help breakthrough climate technologies achieve commercial viability.

Enterprise technology is the sole focus. Patient capital with an evergreen model — Salesforce is the sole LP with no fund lifecycle pressure, enabling investing across market cycles. AI is the defining platform shift of our era: from model infrastructure to AI applications to robotics and agents. Strategic value beyond capital: unmatched access to the Salesforce enterprise ecosystem and Fortune 500 network for customer introductions, early product feedback, and go-to-market acceleration.

The biggest companies of the century will be built solving the world's most pressing problems. We champion ambitious founders using technology to reshape civilization around climate, health, and inclusive capitalism.

137 Ventures provides structured liquidity — equity loans against shareholder stakes, direct secondary purchases, and anchoring company-organized tender offers — to the founders, executives, and early employees of category-defining private technology companies. The firm supports generational companies through decade-long private lifecycles with flexible, founder-friendly capital structures.

Space has a unique role in addressing the world's most pressing problems and represents a $trillion investment opportunity. We back visionary entrepreneurs transforming science fiction into science fact using space technology and space-based data to solve challenges in sustainability, connectivity, and digitalization at global scale.

Invest in people and products that leverage technological breakthroughs or superior user experience to radically change the status quo. Focus on structurally sound, strategically defensible business models that create and capture new markets. True partnership approach: value-add extends beyond capital to include strategic guidance, operational expertise, and network introductions.

Patient and intelligent capital for rapidly scaling entrepreneurial companies with a transatlantic footprint. US funds target Midwest Series A+ companies with ARR >$3M; UK funds target Series A/B companies with £1M+ revenue. Hands-on operational support through the Beringea Scale-Up Academy and transatlantic network.

Category-defining entrepreneurs building fundamental shifts that upend entire industries. Focus on disruptive business models in energy transition, healthcare, AI, and consumer. Thesis values human relationships and founder-centric partnerships over financial metrics alone.

KDT backs principled entrepreneurs building disruptive technologies across connectivity, cybersecurity, healthcare, enterprise software, semiconductors, supply chain/manufacturing, energy, and fintech. KDT differentiates through Koch Labs® — connecting portfolio companies to Koch Industries' global commercial ecosystem and subject matter experts — enabling faster commercial deployment and scaling than traditional VC.

Big things start small. We invest at seed stage and see potential where others don't. We believe in your vision for your company's future, not as it exists today. We think in decades, not days, committing to walk the entire journey with founders to build iconic companies. We share Antipodean ingenuity with the world.

Build category-defining technology businesses that deliver strong investment returns while addressing pressing business challenges. Leverage Fortune 500 parent (MassMutual) assets including real estate portfolios, renewable energy assets, and capital networks.

We back growth-stage, technology-enabled companies delivering proven, scalable solutions to major social and environmental challenges across People, Planet, and Productivity, while targeting attractive financial returns.

Partner with remarkable growth-stage leaders to accelerate their journey from startup to scale-up through capital, operational expertise, and Google advisory access. Focus on transformational companies making the step change into growth.

Scalable, defensible innovation at the intersection of software, hardware, and intelligence. Champion founders driving the next wave of technological innovation across Cloud, Devices, Frontier, and Silicon domains. Breakthrough technologies emerge from convergence of multiple domains.

Tesi (Finnish Industry Investment Ltd) is a state-owned investment company that helps Finland's most promising companies grow bigger. Tesi invests on market terms as a minority co-investor alongside private capital in Finnish startups, scale-ups, and industrial projects, as well as in VC and PE funds. Its mandate is both financial returns and economic impact — driving growth, jobs, and renewal in the Finnish economy.

Backing innovators pioneering new frontiers in mobility, industrial automation, and decarbonization, with the ability to plug into Toyota's global manufacturing and mobility ecosystem for acceleration beyond capital.

Partner with exceptional teams building transformative technology companies across all stages

Seventure Partners identifies and backs innovative European companies in Life Sciences and Digital Technologies at all stages from seed to pre-IPO, serving as the lead investor and active board-level partner. The firm is a global pioneer in microbiome investing and has built a 25+ year track record of 150+ exits and 30 IPOs. Institutional backing from Natixis Investment Managers/Groupe BPCE provides unique co-investment and network access.

Back extraordinary entrepreneurs throughout the company-building lifecycle from seed to IPO. Combine venture capital expertise with BCG management consulting to accelerate value creation. Support founders with capital, strategic guidance, and access to global networks.

The dedicated partner for entrepreneurs and investors building long-term value: patient growth capital plus deep sector expertise and a global operating platform for category-leading, capital-efficient businesses at an inflection point.

WestBridge partners with founders building transformative, AI-native businesses from Series A through IPO and beyond. With a $7.3B evergreen fund (no forced LP exit timeline), they invest early and hold for 5-25 years as patient capital partners. Their AI focus centers on Vertical AI Systems, AI-Native Infrastructure, and Agentic AI across the India and US markets.

We invest in bold ideas transforming supply chain and logistics. With deep industry expertise and Prologis' global network, we partner with companies redefining the logistics landscape.

As founder-operators, we see returns in relationships. We back ambitious founders with exceptional vision at the earliest stages with capital, mentorship, and network access.

Highland Europe backs exceptional teams in Europe and Israel building the next generation of technology leaders, focusing on product-led software and consumer companies with organic growth, clear product-market fit, and capital discipline.

We democratize venture capital by providing individual accredited investors with professional-grade access to elite venture opportunities. We leverage our massive 850,000+ community network and 11,000+ investors to create unique value for founders, sourcing and diligencing deals alongside top-tier VCs (a16z, Sequoia, Khosla) without leading rounds. Our network is our competitive advantage—it compounds value for all stakeholders.

Backs 'The Audacious Entrepreneur' as a generalist, multi-stage Indian VC, sourcing untapped white-space opportunities across SaaS, consumer, fintech, healthtech, agritech, climatetech and deeptech, with a fast-turnaround Sonic seed program and growing focus on AI, spacetech, defencetech and quantum.

Leverage the confluence of consumption, financial inclusion and technology across emerging low- and middle-income populations to build sustainable, scalable businesses that benefit investors and society.

BGF provides patient, minority growth capital to ambitious SMEs and deep tech/life sciences startups across the UK and Ireland. Founded to address the SME funding gap, BGF never takes controlling stakes, provides long-term support without fixed exit deadlines, and offers portfolio access to its talent network, operating specialists, and community platform.

FSE Group provides market-gap funding to high-growth UK SMEs, pairing debt and equity capital with long-term regional support, job creation, and measurable economic impact.

Partnering with brilliant founders to upend the status quo by investing in AI-driven software, sustainability technologies, and innovative consumer brands. We believe AI will dominate software over the next decade, and we seek to support founders reimagining industries across all three sectors.

Backs founders with a proven track record building large, defensible, technology-enabled businesses, deploying roughly one-third of capital at early stage and two-thirds at growth stage with fast, single-decision-maker conviction.

Greatest opportunities come from serving unmet needs of the middle class in emerging markets. We bridge US and Latin American markets, providing institutional capital, intellectual capital flow, and geo arbitrage exit opportunities.

Mubadala partners with world-class companies and institutions to drive transformational growth across strategic sectors and geographies. We believe in long-term value creation through patient capital, operational expertise, and global partnerships aligned with Abu Dhabi's economic diversification.

We back exceptional founders and management teams building defensible, market-leading software businesses in high-growth categories, sourced in part through our proprietary PULSE data platform, and support them with a dedicated value-creation team.

Avenir invests from a first-principles view of inevitable market shifts, concentrating capital in category-defining companies that are early in their growth curves and led by world-class operators.

The future is forged at the intersection of tech and culture. The best founders are 'anti' by definition—their companies must be highly disruptive to the status quo. While capital is a commodity, attention is not. Anti Fund uniquely wields cultural relevance to source founders and accelerate growth.

Identify innovators capturing shifts in technology and behavior that reshape their industries, and empower mission-driven teams toward market-leading scale through a partnership-driven, long-term growth-equity approach.

Redalpine backs companies at the convergence of software and science — where rigorous engineering meets scientific breakthroughs. Half the team are scientists, half are operators, enabling them to engage deeply with highly technical founders and support them hands-on from day one through to exit. Primary focus areas: frontier science and biotech, digital health, AI and automation, fintech, synthetic biology, and climate tech.

Phoenix Court partners with exceptional founders from pre-seed through public markets and beyond. The firm operates as a multi-stage, multi-fund group — LocalGlobe (seed), Latitude (growth), Solar (late-stage), and Basecamp (emerging managers) — built on the conviction that the best companies grow big not just in private markets but across their full lifecycle. Founded on purpose: 10% of profits and 2% of carry go to Phoenix Court Works, which is transitioning to the single largest shareholder in the firm.

Emerson Collective invests in entrepreneurs and innovators driven by purpose, seeking consequential companies that deliver both generational impact and venture-scale returns. The firm targets sectors where biggest market opportunities meet meaningful impact levers: energy & environment, digital health, fintech, education, work, and media.

Truly great companies are built by founders, not investors. Coral operates as an 'Ecosystem VC,' providing capital, talent, and insights on a Hands-if basis, and backs technical founders solving hard, humanity-scale problems, with a particular bet on Japan's structural advantages in robotics, energy, and advanced manufacturing.

Innovative technology entrepreneurs exist globally, particularly in emerging markets, and deserve access to world-class mentorship, infrastructure, and Google's vast product ecosystem. We support founders who have proven product-market fit in their home markets and are ready to expand internationally.

Broad-spectrum deep-tech and technology investor with particular conviction in AI, climate tech, and healthcare, pairing capital with hands-on operational support and open-innovation partnerships between startups and major Japanese corporations.

Backs strong management teams of category-leading technology companies supported by secular macro trends, investing at the point where product-market fit is established and the company is ready to scale, combining large-check growth capital with EQT's operational network and AI-driven sourcing/diligence platform (Motherbrain).

A long-term capital platform that backs bold entrepreneurs across startup creation, venture investing, growth financings, and buy-and-build situations.

Backing founders and teams building lasting companies across TMT, healthcare, consumer & entertainment, and advanced manufacturing/clean tech, with a multi-decade time horizon and a bridge role between China and global capital markets.

Backs globally ambitious technology companies from pre-seed and seed through selected growth rounds using specialist EMEA sector teams and a platform model for capital, customers, talent, follow-on investors, and operational support.

We back bold founders building category-defining companies across Europe. Too new is our baseline, too bold is our reason, too complex is our edge.

Modernize critical industries through deep technology. We are dedicated to backing ambitious, technically sophisticated founders solving hard problems in traditionally underserved sectors. We provide capital, operational guidance, board partnership, and network access—supporting companies from pre-seed through growth stages.

Rosecliff's Frontier Technology Thesis focuses on AI, aerospace, defense, energy resilience, and space infrastructure.

Revaia champions sustainable leaders in technology and innovation, partnering with mission-driven, growth-stage founders who bridge private growth financing through to public markets, with sustainability and governance built into the business rather than bolted on.

Asia's most trusted multi-asset private capital platform. Partners with visionary founders and leaders to build industry champions across Southeast Asia, China, India, and Japan. Deploys capital across five structural themes: Consumer Growth, Enterprise Workflow, Food Systems, Health Innovation, and Energy Transition. Offers flexible, multi-asset financing spanning venture equity to private credit to support companies at every stage of their business lifecycle.

Channel capital from a large base of retail and institutional investors into vetted, growth-stage Spanish companies with strong public narratives, giving individual investors direct equity access normally reserved for institutional VC.

Outlier founders and ideas shape the future of humanity. We back ambitious founders building category-defining companies that create significant impact while generating returns that support non-profit and educational causes.

Equity of access and representation in venture capital delivers positive returns. Diverse and underrepresented (including LGBTQ+) leaders of high-growth companies deserve capital access. When these founders succeed, they influence ecosystems and open doors for historically excluded groups.

CDP Venture Capital is a national venture platform that combines direct investing, fund-of-funds activity, accelerators, and technology transfer to strengthen Italy's innovation economy in strategic sectors.

Act is a long-term early-stage generalist that backs exceptional teams who truly understand their market and can become category-defining companies. The firm wants mission-driven founders, is willing to lead early, and stays with companies through expansion.

Founder-centric, largely sector-agnostic investing across Europe, backing technically strong founders building globally ambitious companies, including capital-intensive deep tech and moonshot bets alongside traditional software and consumer businesses.

Culture-Tech companies that disrupt and define how we live, work, play, and interact with the world every day. We invest in passionate founders building transformative products that change cultural behaviors.

As the UK's state-owned economic development bank, British Business Bank exists to improve smaller and scaling businesses' access to finance and to support the transition to net zero, deploying public capital as a fund-of-funds, co-investor, and direct equity investor to fill gaps the private market leaves unfilled.

Startups positioned as transformation partners with Fortune 500 corporates create the most impactful solutions. We believe the next generation of market leaders will emerge through collaborative innovation between startups and incumbent enterprises, supported by global expertise and capital.

Support founders pursuing their life's work with an alternative to the hype cycle: the luxury of long-term thinking. We support founders building category-defining companies across all sectors that will last for lifetimes.

Active family office identifying undervalued, high-potential opportunities across technology, healthcare, energy, and real estate sectors. Takes active role in portfolio companies to leverage capital, experience, and strategic network. Particular focus on fintech, blockchain, and special situations investing.

The best investment opportunities emerge at the intersection of innovation and scale. We invest across the full lifecycle from seed to public markets, focusing on technology companies that will transform sectors globally with particular conviction in AI-enabled platforms and infrastructure.