Fleetzero
YC W22Houston, US · Founded 2021 · Delaware corporation · 40 employees · 9 known investors
Fleetzero designs and retrofits commercial vessels with battery-electric propulsion systems to decarbonize ocean shipping. The company builds modular, scalable electrification technology for ship operators and maritime fleets.
Advanced ManufacturingCleantechClimate TechEnergyHardwareClimateUnited States of AmericaAmerica / Canada
Founders & leadership· Y Combinator alumni (W22)
Fleetzero was founded in 2021 by Steven Henderson, Mike Carter, and Steven H.
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Steven HendersoninCo-FounderSteven Henderson studied marine engineering at the U.S. Merchant Marine Academy and business at Harvard Business School. He has held operational roles managing cargo ships, a hospital ship, and major offshore facilities in the Gulf of Mexico, and served as a Strategic Sealift Officer in the U.S. Navy Reserve.
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Mike CarterinFounderMichael Carter holds a BS in Marine Engineering Systems from the US Merchant Marine Academy and an MBA from Rice University. He has worked in enterprise sales and brings expertise in marine engineering, ship operations, energy, and shipping, with prior service as an officer in the US Navy Reserve.
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Steven HFounder
Investors · 9
Obvious Ventures✓ verifiedSan Francisco · $250K – $6M
Breakthrough Energy VenturesBoston · $500K – $50M
Cantos VenturesSan Francisco · $400K – $1.5M
Darco CapitalPhiladelphia
Maersk Growth$1M – $50Mvia Shereen Zarkani · inferred
Y CombinatorSan Francisco · $500K
8090 IndustriesreportedNew York
Benson CapitalreportedNew Orleans
Also in the syndicate · 1
Shorewind
Funding
SEC filings, press & company announcements$59.7M disclosed across 3 rounds · 2021–2026
- $43Mseries AJan 2026 · 5 sources
Obvious Ventures (lead), 8090 Industries, Benson Capital, Breakthrough Energy Ventures, Maersk Growth, Shorewind, Y Combinator
Source ↗
▶$225KraisedJun 2022 · 4 investors · Other TechnologyRule 506(b)
▶$225KraisedJun 2022 · 4 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Steven HendersonExecutive Officer, Director
- Michael CarterDirector
- Offering amount
- $225K
- Amount sold
- $225K
- First sale
- Sep 2021
- Incorporated
- Corporation, Delaware, 2021
- Federal exemptions
- 06b
▶$16.5MraisedJun 2022 · 44 investors · Other TechnologyRule 506(b)
▶$16.5MraisedJun 2022 · 44 investors · Other Technology
Rule 506(b)Officers, directors & promoters on the filing
- Steven HendersonExecutive Officer, Director
- Michael CarterDirector
- Offering amount
- $16.5M
- Amount sold
- $16.5M
- First sale
- Jun 2022
- Incorporated
- Corporation, Delaware, 2021
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
In the news
Frequently asked questions
- What does Fleetzero do?
- Fleetzero designs and retrofits commercial vessels with battery-electric propulsion systems to decarbonize ocean shipping. The company builds modular, scalable electrification technology for ship operators and maritime fleets.
- Who founded Fleetzero?
- Fleetzero was founded by Steven Henderson, Mike Carter, Steven H in 2021.
- Who are Fleetzero's investors?
- Fleetzero's investors include Obvious Ventures, Breakthrough Energy Ventures, Cantos Ventures, Darco Capital, Maersk Growth, Y Combinator, 8090 Industries, Benson Capital.
- How much funding has Fleetzero raised?
- Fleetzero has disclosed $59.7M raised across 3 rounds.
- Where is Fleetzero headquartered?
- Fleetzero is headquartered in Houston, US.