/Companies

Heimdal

DefunctYC S21

Denver, 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.

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.

MLMarcus Lima
Marcus LimaFounder & 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
EMErik Millar
Erik MillarCo-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.
FC
Fraser ChristensenSenior Process Engineeruntil 2026
EH
Emily HunterOperations Manageruntil 2026
CM
Chris MitchellCTOuntil 2026

Investors · 20

Broom Ventureslisted by Broom VenturesSan Francisco

How we know: the VCSheet dataset · Y Combinator's founder network · Not right? Tell us

Metaplanetlisted by MetaplanetTallinn · $500K – $10M

How we know: Metaplanet's portfolio page · the VCSheet dataset · Y Combinator's founder network · Not right? Tell us

VoLo Earth Ventureslisted by VoLo Earth VenturesSnowmass Village · $2M

How we know: the VCSheet dataset · Y Combinator's founder network · Not right? Tell us

APOLLO PROJECTSreportedSan Francisco

How we know: Y Combinator's founder network · Not right? Tell us

Cathexis VenturesreportedHouston · $250K – $1Mvia Mark Friday · inferred

How we know: the VCSheet dataset · Y Combinator's founder network · Not right? Tell us

Kube VCreported

How we know: Y Combinator's founder network · Not right? Tell us

LLLPreportedGrand Forks

How we know: Y Combinator's founder network · Not right? Tell us

Lombardstreet VenturesreportedWoodside · $500K

How we know: the VCSheet dataset · Y Combinator's founder network · Not right? Tell us

Lynett Capital PartnersreportedJupiter

How we know: Y Combinator's founder network · Not right? Tell us

Parallel 18reportedSan Juan

How we know: a partner's Signal profile · Not right? Tell us

SHL CapitalreportedSeattle · $100K – $250K

How we know: Y Combinator's founder network · Not right? Tell us

Soma CapitalreportedSacramento · $100K – $300K

How we know: Y Combinator's founder network · Not right? Tell us

ZillionizereportedPalo Alto · $200K

How we know: Y Combinator's founder network · Not right? Tell us

Reported raises · per SEC filings

Form D private placements

$10.8M disclosed across 1 round · 2021

▶$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
Full filing on SEC EDGAR ↗

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 structure
Heimdal Inc.

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 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.