Global Cleantech 100

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Your guide to the innovators and themes delivering sustainable innovation.

Who are the leading companies in cleantech today? Meet the innovators leading the net zero transformation and learn about the trends shaping the market for sustainable innovation.

The Global Cleantech 100 Sectors

The future will be de-carbonized, decentralized and digitized. But how will we get there?
Agriculture & Food

Agriculture & Food

In 2020, a combination of drivers including maturing technologies, circularity and a supply chain shock that focused attention on agility, resilience, and transparency had an impact on the entire sector. What underpins the solutions to these problems?

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Enabling Technology

Enabling Technology

As connectivity and processing capabilities improve, Enabling Technologies such as robotics, artificial intelligence and machine learning find applications in to enable decarbonization. How will the market evolve to accommodate these changes?

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Energy & Power

Energy & Power

Energy and Power investment has felt the inertia caused by Covid-19. However, 2020 saw some of the biggest private and public commitments for decarbonization. Will the capital going into the sector become more strategic, purposeful and mission focused than before?

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Materials & Chemicals

Materials & Chemicals

Improved energy efficiency and electrification can address emissions, but the chemicals industry must also address raw materials and the end-of-life impact of products. How will the sector evolve?

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Resources & Environment

Resources & Environment

Using our resources more responsibly means more than just reducing our dependence on plastics and improving water and waste management. Can carbon capture also protect the natural environment we depend on?

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Transportation & Logistics

Transportation & Logistics

Covid-19 revealed a need for zero-emission, sustainable, flexible and safe methods of moving people and goods. Will the net zero emissions targets put pressure on the transportation industry to decarbonize across all segments?

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The Numbers Behind the Companies

How interested are investors in the 2021 Global Cleantech 100?

$5.9Bn Raised by Global Cleantech 100 Companies since their founding
$107M Largest investment round in 2020 - into InFarm
$1.3Bn Total money raised by the companies in the 2021Global Cleantech 100 in Q1-Q3 2020
402 Venture investment rounds into clean technology companies.

About Cleantech Group

At Cleantech Group, we provide research, consulting and events to catalyze opportunities for sustainable growth powered by innovation. We bring clients access to the trends, companies and people shaping the future and the customized advice and support businesses need to engage external innovation.

Industries are undergoing definitive transitions toward a more digitized, de-carbonized and resource-efficient industrial future. At every stage from initial strategy to final deals, our services bring corporate change makers, investors, governments and stakeholders from across the ecosystem, the support they need to thrive in this fast-arriving and uncertain future.

The company was established in 2002 and is headquartered in San Francisco with people based in London, Paris and Boston

Cleantech Research


Our analysts deliver research and briefings on the themes central to your goals.

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Cleantech Consulting


We’ll help you set priorities, and determine where and how to find the partners that take you forward.

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Cleantech global events introduce sustainable innovation to investors


Meet corporate change makers, investors, entrepreneurs and stakeholders from the cleantech ecosystem.

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Know a cleantech inovator who should be recognized in the 2022 Global Cleantech 100? Nominate them today!

Latest Global Cleantech Perspectives

Recent Deals – 19 September 2023

Turning urine into crop bio stimulants; circular wood-based packaging materials; power efficient augmented reality vehicle HUDs – find Recent Deals worth looking at…

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See the most innovative companies working to build a sustainable tomorrow.

Gain insights into the innovators, business models and technologies that are poised to transform our world.

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Know a cleantech innovator who should be recognised in the 2022 Global Cleantech 100? Nominate them today.