Heirloom Alternatives & Competitors
12 companies similar to Heirloom — Mitigating the worst impacts of climate change by developing the world’s most co...
Companies similar to Heirloom
Climeworks
Pioneering carbon removal with Direct Air Capture to help businesses reach net-zero and dr...
Carbon Engineering
Working to restore our climate with technology that removes carbon dioxide from the air at...
AirMyne
Scaling high-quality carbon removal through Direct Air Capture.
DACMA GmbH
Achieve net-zero with DACMA – the No.1 DAC machine from Germany
Rival Readout
Competing with Heirloom? We do this properly.
10 rivals, 90 days of dated moves, ranked by what matters and sourced, in 7 business days.
ARK Capture Solutions
Unlocking Carbon Capture technology to decarbonize your future
Carbfix
We provide a natural and permanent storage solution by turning CO₂ into stone underground...
Homeostasis
Carbon Capture & Utilization to enable a truly Carbon Negative economy.
Heimdal
Affordable, Verified DAC.
Ucaneo
Developing a pioneering Direct Air Capture technology
Sustaera
Novel direct air capture technology on a mission to remove 500M tonnes of CO2 and restore...
About Heirloom
Heirloom is at the forefront of climate change mitigation, boasting the development of the world's most cost-effective direct air capture (DAC) technology to remove CO2 from the atmosphere. Founded in 2020, this innovative company has drastically condensed the time required for limestone to absorb carbon dioxide—from y...
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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Mapping a market? Start with a Rival Readout.
In 7 business days we read 10 rivals around Heirloom: 90 days of dated moves, ranked by what matters to you, each with its source. Fully credited if you continue.
Compiled from the BounceWatch company index. We last looked at Heirloom on 21 Oct 2025. The 12 companies listed here were last checked between 12 Sep 2024 and 8 Jul 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.