Heimdal
DefunctYC S21Denver, US · Founded 2020 · Delaware corporation · 12 employees · 8 known investors
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.
Advanced ManufacturingClimate TechCarbon Capture and RemovalClimateUnited States of AmericaAmerica / CanadaPartly Remote
Founders & leadership· Y Combinator alumni (S21)
Heimdal was founded in 2020 by Marcus Lima and Erik Millar.
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Marcus Limain𝕏Founder & CEO2020–2025Marcus Lima is co-founder and CEO of Torus, which develops engineering tools for capital project firms. He previously founded Heimdal, a direct air carbon capture technology company, and holds degrees from Oxford and Cambridge.30 Under 30 2024
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Erik MillarinCo-FounderErik Millar studied mechanical engineering at the University of Oxford and holds a master's degree in energy systems. He has worked on projects including carbon farming in Australia, solar farm development, and assistive technology research.
Investors · 8
Brighter CapitalCupertino · $25K – $100Kvia Yun-Fang Juan · inferred
Broom VenturesSan Francisco
Cool Climate CollectiveSacramento · $100K – $350Kvia Mehrad Yaghmai · inferred
MetaplanetTallinn · $500K – $10M
VoLo Earth VenturesSnowmass Village · $2M
Y CombinatorSan Francisco · $500K
Cathexis VenturesreportedHouston · $250K – $1Mvia Mark Friday · inferred
Lombardstreet VenturesreportedWoodside · $500K
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)
▶$10.8MraisedDec 2021 · 47 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- 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
In the news
Frequently 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 Brighter Capital, Broom Ventures, Cool Climate Collective, Metaplanet, VoLo Earth Ventures, Y Combinator, Cathexis Ventures, Lombardstreet Ventures.
- 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.