Heirloom
Mitigating the worst impacts of climate change by developing the world’s most cost-effective CO2 removal technology
183 employees · est. 2020 · San Francisco, United States
Svante is the older company (2020 vs 2007); Svante is the larger of the two.
Side-by-Side Comparison
| Metric | Heirloom | Svante |
|---|---|---|
| Founded | ||
| Founded | 2020 | 2007 older |
| Headquarters | ||
| Headquarters | San Francisco, United States | Canada |
| Employees | ||
| Employees | 183 | 298 larger |
| Industry | ||
| Industry | Not tracked yet | ESG, Industrial, Renewable Energy |
| Funding Stage | ||
| Funding Stage | Series B | Convertible Note |
| Total Funding | ||
| Total Funding | $204.00M | $515.10M |
| Funding Rounds | ||
| Funding Rounds | 4 | 11 |
| Services | ||
| Services | Permanent CO2 Removal, Direct Air Capture Facility Development, Advanced Carbon Capture Technology | Not tracked yet |
| Target Customers | ||
| Target Customers | Businesses Committed to Sustainability, Organizations with Net-Zero Goals, Partners Interested in Climate Solutions | Not tracked yet |
| Taxonomy | ||
| Taxonomy | 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 | Carbon Capture, Carbon Storage, CO2, CCUS, Clean Technology, Carbon Capture Technology, Clean Energy, Cleantech, CO2 Capture, Solutions Provider, Technology Provider, Carbon Management, Carbon Removal, Climate Tech, Carbon Emissions Management |
| Website | ||
| Website | heirloomcarbon.com | svanteinc.com |
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 c...
About Svante
Svante is a company focusing on Carbon Capture & Removal Solutions. With its filters and rotary contactor machines, Svante is dedicated to capturing and removing CO2 from industrial emissions and the air. Utilizing unique solid adsorbents, the company's carbon capture technology is scalable, eco-fri...
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Funding, hiring, leadership and stack changes at Heirloom and Svante — by email.
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Compiled from the BounceWatch company index. We last looked at Heirloom on 21 Oct 2025, and Svante on 11 Sep 2024. 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.