Banyu Carbon
Seattle, US · Founded 2022 · 11 employees on LinkedIn · 2 known investors
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.
AG
Alex GagnonCo-founder
JS

Julian SachsCo-founder
Investors · 2
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)
▶$1.9MraisedMay 2022 · 1 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- 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.
Competitors · 5
by search overlapCarbon Direct10 shared keywords
CarbonCapture7 shared keywordsCarbonCapture develops CO₂ direct air capture technology aimed at removing carbon from the atmosphere to address climate change. The company operates in the cleantech and carbon removal industry.
Rubicon Carbon6 shared keywordsRubicon Carbon offers curated portfolios of carbon credits for corporate buyers, allowing clients to build bespoke portfolios aligned with their climate and sustainability goals. The company operates in the carbon markets and climate solutions space.
Applied Carbon6 shared keywordsApplied Carbon develops technologies to regenerate soil and sequester atmospheric carbon for climate change mitigation and soil health improvement. The company operates at the intersection of agriculture, climate science, and industrial manufacturing.
Living Carbon5 shared keywordsLiving Carbon develops precision-bred tree varieties and reforestation techniques to convert marginal land into carbon-sequestering ecosystems. The company targets climate mitigation through enhanced photosynthesis and biodiversity restoration.
Companies competing with Banyu Carbon for the same Google search keywords, organic and paid, via search-intersection analysis.
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.




