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Aerospace, Maritime and Defense Tech Series B Founded 2020

MJOLNIR SPACEWORKS

MJOLNIR SPACEWORKS is a developer of hybrid rocket engines for space solutions. The company develops and manufactures hybrid rocket engines with a focus on large-scale production to make space travel more accessible. The hybrid propulsion technology combines the advantages of liquid and solid rocket systems, offering safety, controllability, and cost-effectiveness for launch vehicle applications. Founded in 2020 and…

📍 Sapporo, Japan · Space Tech

Funding snapshot

Last roundSeries B
Amount$11M
Date29 May 2026
Total raised$15M
Team size17

About

MJOLNIR SPACEWORKS is a developer of hybrid rocket engines for space solutions. The company develops and manufactures hybrid rocket engines with a focus on large-scale production to make space travel more accessible. The hybrid propulsion technology combines the advantages of liquid and solid rocket systems, offering safety, controllability, and cost-effectiveness for launch vehicle applications. Founded in 2020 and headquartered in Sapporo, Japan, MJOLNIR SPACEWORKS has raised approximately 15.3 million at the Series B stage with 17 employees and investors including Incubate Fund, UntroD, Mitsubishi UFJ Capital, Sparks Asset Management, JIC Venture Growth Investments, Z Venture Capital, and Shoko Chukin Bank.

Business model

Space Tech > Support Engineering > Diversified

Institutional investors

Incubate Fund UntroD Mitsubishi UFJ Capital Sparks Asset Management JIC Venture Growth Investments Z Venture Capital Shoko Chukin Bank

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