Banyu Carbon
Seattle, US · Founded 2022 · 11 employees on LinkedIn · 2 known investors
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Banyu Carbon develops a photochemical carbon capture process that uses sunlight to release CO2 from seawater, which naturally absorbs atmospheric carbon, for storage in geologic formations or industrial use. It aims to lower the cost of carbon removal and sell verified carbon credits to companies and governments with climate goals.
Founders & leadership
Banyu Carbon was founded in 2022 by Alex Gagnon and Julian Sachs.


Investors · 2
How we know: Carbon Removal Partners's portfolio page · Not right? Tell us
How we know: the VCSheet dataset · Not right? Tell us
Reported raises · per SEC filings
Form D private placements$1.9M disclosed across 1 round · 2022
▶$1.9MraisedMay 2022 · 1 investors · Other TechnologyRule 506(b)
- Alex GagnonExecutive Officer, Director
- Julian SachsExecutive Officer, Director
- Offering amount
- $2M
- Amount sold
- $1.9M
- First sale
- May 2022
- Incorporated
- Corporation, Delaware, 2022
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
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Frequently asked questions
- What does Banyu Carbon do?
- Banyu Carbon develops a photochemical carbon capture process that uses sunlight to release CO2 from seawater, which naturally absorbs atmospheric carbon, for storage in geologic formations or industrial use. It aims to lower the cost of carbon removal and sell verified carbon credits to companies and governments with climate goals.
- Who founded Banyu Carbon?
- Banyu Carbon was founded by Alex Gagnon, Julian Sachs in 2022.
- Who are Banyu Carbon's investors?
- Banyu Carbon's investors include Carbon Removal Partners, Propeller VC.
- How much funding has Banyu Carbon raised?
- Banyu Carbon has disclosed $1.9M raised across 1 round.
- Where is Banyu Carbon headquartered?
- Banyu Carbon is headquartered in Seattle, US.





