Insights

Leadership in Carbon Removal Heirloom's status as the first and only Direct Air Capture facility in North America capable of permanent CO2 removal positions it as a pioneering leader. This opens opportunities to collaborate with industries seeking advanced carbon offset solutions and positions Heirloom as a go-to partner for large-scale environmental commitments.

Growing Capital Investment With recent investments exceeding $1 billion and a $150 million Series B funding round, Heirloom demonstrates strong financial backing and expansion potential. This indicates capacity for scaling operations and attracting clients interested in reliable, large-scale carbon removal infrastructure.

Strategic Facility Expansion The company's plans to develop multiple high-capacity DAC facilities in Louisiana highlight a focus on geographical growth and capacity expansion. This could attract enterprise clients in those regions aiming to offset substantial carbon footprints through local, scalable solutions.

Partnership Opportunities Recent collaborations with players like thyssenkrupp Calvion and TKMS Group reveal an openness to strategic alliances in DAC development. Business partners and customers in heavy industry or infrastructure sectors might find value in joint ventures or customized carbon removal projects.

Engagement with Top Buyers Heirloom’s client portfolio includes major corporations like Microsoft, JP Morgan, and Shopify, indicating strong industry trust and market demand. Engaging with similar large-scale companies or sustainability-focused organizations offers potential for new B2B sales in corporate sustainability initiatives.

Heirloom Tech Stack

Heirloom uses 8 technology products and services including Siemens NX, jsDelivr, PagerDuty, and more. Explore Heirloom's tech stack below.

  • Siemens NX
    Cad & Graphics
  • jsDelivr
    Content Delivery Network
  • PagerDuty
    IT Infrastructure Monitoring
  • FusionCharts
    Javascript Graphics
  • jQuery
    Javascript Libraries
  • QGIS
    Mapping And Gis
  • OneSignal
    Marketing Automation
  • Microsoft Office
    Office Suites

Media & News

Heirloom's Email Address Formats

Heirloom uses at least 1 format(s):
Heirloom Email FormatsExamplePercentage
First@heirloomcarbon.comJohn@heirloomcarbon.com
96%
FirstLast@heirloomcarbon.comJohnDoe@heirloomcarbon.com
1%
Last@heirloomcarbon.comDoe@heirloomcarbon.com
2%
LFirst@heirloomcarbon.comDJohn@heirloomcarbon.com
1%

Frequently Asked Questions

Where is Heirloom's headquarters located?

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Heirloom's main headquarters is located at San Francisco, California United States. The company has employees across 4 continents, including North AmericaAsiaOceania.

What is Heirloom's official website and social media links?

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Heirloom's official website is heirloomcarbon.com and has social profiles on LinkedInCrunchbase.

What is Heirloom's NAICS code?

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Heirloom's NAICS code is 54162 - Environmental Consulting Services.

How many employees does Heirloom have currently?

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As of May 2026, Heirloom has approximately 173 employees across 4 continents, including North AmericaAsiaOceania. Key team members include Head Of Strategic Initiatives: A. S.Head Of Technology: A. D.Head Of Strategic Engagement: C. C.. Explore Heirloom's employee directory with LeadIQ.

What industry does Heirloom belong to?

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Heirloom operates in the Environmental Services industry.

What technology does Heirloom use?

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Heirloom's tech stack includes Siemens NXjsDelivrPagerDutyFusionChartsjQueryQGISOneSignalMicrosoft Office.

What is Heirloom's email format?

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Heirloom's email format typically follows the pattern of First@heirloomcarbon.com. Find more Heirloom email formats with LeadIQ.

When was Heirloom founded?

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Heirloom was founded in 2020.

Heirloom

Environmental ServicesCalifornia, United States51-200 Employees

Heirloom is an environmental services company based in San Francisco, California, focused on removing carbon dioxide from the atmosphere. It aims to accelerate limestone's natural uptake of CO2, reducing removal times from years to days, and in 2023 established North America's first facility that permanently captures CO2 through direct air capture. The company's client base includes major carbon-removal buyers such as Microsoft, JP Morgan, McKinsey, Stripe, and Shopify.

Operating in the direct air capture and broader environmental services space, Heirloom seeks scalable, permanent removal solutions for large-scale deployments. A recent development involves a partnership with TKMS Group and thyssenkrupp Calvion to pursue large-scale DAC projects in Alberta, Canada, reflecting its ongoing expansion efforts; the company is headquartered in California and maintains a mid-sized team.

Section iconCompany Overview

Headquarters
San Francisco, California United States
NAICS Code
54162 - Environmental Consulting Services
Founded
2020
Employees
51-200

Section iconFunding & Financials

  • $100M$250M

    Heirloom's revenue is estimated to be in the range of $100M$250M

Section iconFunding & Financials

  • $100M$250M

    Heirloom's revenue is estimated to be in the range of $100M$250M

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