Heirloom

United States
Brisbane, California, United States, 94005

Company profile

Heirloom company profile

Heirloom is a provider of direct air capture technology to enhance the natural process of CO2 absorption from the atmosphere. Its technology accelerates limestone's ability to capture carbon dioxide, storing it permanently underground while operating with renewable energy.

Business identity

Operating status
Active
Company type
For Profit
Employee range
101-250 employees
Revenue range
$1M-$10M
Founded
2020-04-29

Headquarters

Postal code
94005
Country code
US
Continent
North America

Capital profile

Funding and company signals

Funding rounds
7
Total equity funding
$203M
Last funding
Undisclosed / 2025-12-02
Last equity funding
Undisclosed
Investors
30
Lead investors
8
Founders
3
Articles
22

Founders and investors

Founders

Jean BondNoah McQueenShashank Samala

Lead investors

Ahren Innovation CapitalBreakthrough Energy VenturesChiyoda CorporationDevelopment Bank of JapanFuture PositiveLowercarbon CapitalNational Science FoundationUnited Airlines Ventures

Investors

AENUBreakthrough Energy VenturesLowercarbon CapitalNational Science FoundationXPRIZE