Ranked by the ClimateTicker Green Score — who genuinely helps, and who to watch.
Climate Software · San Francisco, CA, USA
Enterprise carbon-management platform that helps large companies measure, report and reduce emissions across their operations and supply chains.
Carbon Removal · Zurich, Switzerland
Swiss pioneer of direct air capture (DAC), removing CO₂ from the atmosphere and storing it permanently underground, including the Orca and Mammoth plants in Iceland.
Solar · San Francisco, CA, USA· RUN
Largest residential solar, battery storage and energy-services company in the United States, offering home solar through subscription and ownership models.
Energy · London, UK
UK-based clean energy retailer and technology group whose Kraken platform manages renewable supply, smart tariffs and grid flexibility for millions of customers worldwide.
Transport · Irvine, CA, USA· RIVN
American electric vehicle manufacturer producing adventure-focused trucks and SUVs, plus commercial electric delivery vans, with a vertically integrated software and charging ecosystem.