Scale Your Climate Company Globally

Greennex connects U.S. climate deep tech companies with international capital, government partnerships, and deployment infrastructure across 10+ countries.

If you’re a climate company ready for global expansion, we provide the investor access, government relationships, and strategic support to accelerate your international growth.

What We Provide

1 Greennex Climate Gateways

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Global deployment programs connecting U.S. climate companies with international capital and government partners.

Monthly Pulse Roadshows

5-7 U.S. climate companies presenting to institutional investors across key international markets.

Government Partnership Facilitation

Strategic introductions through Enterprise Singapore, City of Yokohama, London & Partners, Invest in Denmark.

Climate Gateway Office Hours

Country-specific market entry guidance and partnership development support.

2 Global Founder Studio

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Portfolio company community programs offered case-by-case.

Reverse Pitch Sessions

Investors present investment theses, portfolio companies pitch strategic fit.

Global Founder Happy Hours

Peer networking for climate founders scaling internationally.

New Partners Welcome

Family offices, sovereign wealth platforms, corporate ventures, corporate innovation teams, and strategic advisors—we structure flexible entry pathways for building U.S. climate deep tech exposure and international scaling.

Who We Are Looking For

Revenue-stage or pilot-validated climate companies

Demonstrating commercial traction or technical validation beyond lab stage

Global deployment readiness

Clear value proposition for international markets with addressable customers and partnership potential

Strategic sectors

Advanced energy storage, carbon utilization, next-generation geothermal, grid-scale infrastructure, climate infrastructure software

Strong technical foundation

University/national lab origins, defensible IP, or differentiated technology

Success Stories

XGS Energy — Next-Generation Geothermal

XGS Energy, backed by Valo Ventures and Constellation Technology Ventures, develops water-independent geothermal systems partnering with Meta for a 150MW clean baseload power project.

Following Climate Gateway participation:

  • London & Partners partnership for UK market entry support
  • JERA Americas partnership development for strategic deployment opportunities
  • City of Yokohama collaboration for geothermal technology validation
Mars Materials — Carbon-Negative Materials

Mars Materials, supported by Breakthrough Energy Fellows and Climate Capital, achieved industry-first validation with SNF for CO₂-based acrylonitrile serving the $11B polyacrylamide market.

Multi-market gateway outcomes:

  • Enterprise Singapore partnership for Southeast Asia market development
  • Invest in Denmark collaboration for European deployment infrastructure
  • London & Partners engagement for UK market access and customer introductions
Arbon — Carbon Utilization Technology

Arbon, an Activate Fellows graduate backed by Frontier Climate, pioneers humidity-swing carbon capture technology deploying its first public demonstration unit on Governors Island, New York.

Following Yokohama Climate Gateway participation:

  • Partnership development with Itochu Corporation for international deployment
  • Introduction to Development Bank of Japan for strategic investment
  • JETRO (Japan External Trade Organization) government relationship facilitation for market entry support
Cemvita — Industrial Biotech & Carbon Solutions

Cemvita, backed by Mitsubishi Heavy Industries and Sumitomo Corporation, deploys synthetic biology converting CO₂ into sustainable chemicals and bio-oils for industrial applications.

Following Greennex Pulse October Roadshow (2025) participation:

  • London & Partners partnership for UK market navigation
  • City of Yokohama strategic collaboration for pilot deployment
  • Multi-market government partnership coordination

Latest Updates

Amid heightened uncertainty in domestic climate

How to Engage

For Climate Startups: Submit Your Application

Share your company overview, including commercial traction or pilot validation, target markets, and fundraising status.

For Venture & Investor Partners: Become an Opportunity Partner

If you’re a venture firm or climate fund with portfolio companies ready for global expansion, let’s discuss Climate Gateway participation and co-deployment opportunities.