Fleetzero

Making all ships robots.

Houston, United States · Founded 2021 · $43.0M raised

Headquarters
Houston, Texas
Employees
11–50
Founded
2021
Business Model
B2B
Total Funding
$43.0M
Last Round
$43.0M Series AMar 2026
Rounds
1

Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.

Indexed holds 1 funding round and 1 investor for this company. The full record is or through the API.

About

Fleetzero manufactures Leviathan marine battery containers that deliver 3.4 MWh of energy in a footprint 25% smaller than a standard shipping container, letting commercial vessels cross the Pacific Ocean and back on a single charge without a green premium. The company is comprised of U.S. Navy veterans, seafarers, and other maritime industry experts building modular marine battery systems to decarbonize ocean freight.

Summary

Fleetzero is a Climate Tech company based in Houston, United States, founded in 2021. It has raised $43.0M in total across 1 round, most recently a $43.0M Series A round in Mar 2026. Investors include Obvious Ventures.

Tech & App Stack

5 technologies & apps tracked

Every product and vendor across these categories, with where each signal came from.

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Funding History

Series ASeries AMar 2026
$43.0M

Investors

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