Heimdal
DefunctYC S21Denver, US · Founded 2020 · Delaware corporation · 12 employees · 20 known investors
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Heimdal manufactures direct air capture equipment that removes CO2 from the atmosphere and stores it permanently, operating facilities in the United States including the nation's largest low-cost capture plant.
Founders & leadership· Y Combinator alumni (S21)
Heimdal was founded in 2020 by Marcus Lima and Erik Millar.


Investors · 20
How we know: Actia Partners's portfolio page · Not right? Tell us
How we know: Brighter Capital's portfolio page · the VCSheet dataset · Not right? Tell us
How we know: the VCSheet dataset · Y Combinator's founder network · Not right? Tell us
How we know: Metaplanet's portfolio page · the VCSheet dataset · Y Combinator's founder network · Not right? Tell us
How we know: the VCSheet dataset · Y Combinator's founder network · Not right? Tell us
How we know: the Y Combinator directory · funding news · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: Y Combinator's founder network · Not right? Tell us
How we know: the VCSheet dataset · Y Combinator's founder network · Not right? Tell us
How we know: Y Combinator's founder network · Not right? Tell us
How we know: Y Combinator's founder network · Not right? Tell us
How we know: Y Combinator's founder network · Not right? Tell us
How we know: Y Combinator's founder network · Not right? Tell us
How we know: the VCSheet dataset · Y Combinator's founder network · Not right? Tell us
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How we know: a partner's Signal profile · Not right? Tell us
How we know: Y Combinator's founder network · Not right? Tell us
How we know: Y Combinator's founder network · Not right? Tell us
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Reported raises · per SEC filings
Form D private placements$10.8M disclosed across 1 round · 2021
▶$10.8MraisedDec 2021 · 47 investors · Other TechnologyRule 506(b)
- Erik J. MillarExecutive Officer, Director
- Marcus LimaExecutive Officer, Director
- Offering amount
- $10.8M
- Amount sold
- $10.8M
- First sale
- Nov 2021
- Incorporated
- Corporation, Delaware, 2021
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
The YC application· Summer 2021 batch
Heimdal Y Combinator application video
Heimdal Limited
Related companies · 5
Companies working in the same space as Heimdal.
Legal entities · 1
corporate structureFrequently asked questions
- What does Heimdal do?
- Heimdal manufactures direct air capture equipment that removes CO2 from the atmosphere and stores it permanently, operating facilities in the United States including the nation's largest low-cost capture plant.
- Who founded Heimdal?
- Heimdal was founded by Marcus Lima, Erik Millar in 2020.
- Who are Heimdal's investors?
- Heimdal's investors include Actia Partners, Brighter Capital, Broom Ventures, Cool Climate Collective, Metaplanet, VoLo Earth Ventures, Y Combinator, APOLLO PROJECTS and 12 more.
- How much funding has Heimdal raised?
- Heimdal has disclosed $10.8M raised across 1 round.
- Where is Heimdal headquartered?
- Heimdal is headquartered in Denver, US.













