Heirloom Alternatives & Competitors
12 companies similar to Heirloom — Mitigating the worst impacts of climate change by developing the world’s most co...
Banyu Carbon
Capturing Carbon With Light
Seattle, United States
Climateware
A climate-tech ecosystem uniting ideas and innovation.
Istanbul, Turkey
Senken
Helping companies neutralise emissions with carbon credits that actually work.
Berlin, Germany
Climeworks
Pioneering carbon removal with Direct Air Capture to help businesses reach net-zero and dr...
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Carbon Engineering
Working to restore our climate with technology that removes carbon dioxide from the air at...
Canada
Solved - The Cleantech Company
Solved helps companies find the right experts - fast, so they can turn pledges into action...
Helsinki, Finland
Neutral
Carbon accounting technology for climate consultancies
New York, United States
Earthly
Helping companies to protect and regenerate the Earth through high quality nature-based so...
Reel
Rethinking electricity to accelerate the energy transition.
Denmark
Acone Associati Srl
Out of Home / Billboard / Advertising
Milano, Italy
Kilimo
Water stewardship, basin by basin.
Cordoba, Argentina
ECOGREEN SOFT
More ecology, more economy!
Namur, Belgium
About Heirloom
Mitigating the worst impacts of climate change by developing the world’s most cost-effective CO2 removal technology
Permanent CO2 Removal, Direct Air Capture Facility Development, Advanced Carbon Capture Technology
Businesses Committed to Sustainability, Organizations with Net-Zero Goals, Partners Interested in Climate Solutions
Climate Change Mitigation, CO2 Removal Technology, Direct Air Capture, Carbon Capture, Limestone Utilization, Permanent CO2 Storage, Carbon Absorption Enhancement, Renewable Energy Integration, Sustainable Technology, Environmental Technology Innovation, Carbon Removal Partnerships
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BounceWatch watches Heirloom and millions of other companies. When one raises money, hires quickly or changes its product, we tell you the same day.
Compiled from the BounceWatch company index. We last looked at Heirloom on 21 Oct 2025. The 12 companies listed here were last checked between 20 Oct 2025 and 8 Sep 2026. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.