Company

FleetZero

Rocket Ship Rating

Rocket Ship Rating: 97 out of 100

The safest and most efficient marine battery system in the world.

Also known as FLEETZERO INC.

Clean energy & storage
Logistics & supply chain
Climate positive
Hardware

Status: Operatingas of 2026-09-17
Business model: B2B
Headquarters: Houston, Texas, United States
Founded: 2021
Customers: ship owners and operators
Legal name: FLEETZERO INC.

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Record updated 28 September 2026

About

We are building the world’s safest marine battery solutions.

Funding snapshot

Total raised: $43MSum of rounds, as of 2026-09-17Source (opens in a new tab)
Latest round: Series A, $43M2026

Funding rounds

Series A: $43M2026, Company stated
Round, 2022: $16.5M2022-06-01, SEC form D sold, 44 investors
Round, 2021: $225K2021-09-06, SEC form D sold, 4 investors

Products

Web: FleetZero’s Battery Barge
Hardware: Leviathan Modular Energy Storage System
Web: Leviathan Modular Energy Storage System
Web: Marine Battery Container