MJOLNIR SPACEWORKS
MJOLNIR SPACEWORKS is a space tech company in Sapporo, Japan, founded in 2020. It has raised $16.4M across 3 rounds, most recently a $12.0M Series B in 2026 (est.).
Launching an era when anyone can go to space
- Headquarters
- Sapporo, Hokkaido
- Employees
- 11–50
- Founded
- 2020
- Business Model
- B2B
- Website
- mjolnir-sw.com
- Total Funding
- $16.4M
- Last Round
- $12.0M Series BJan 2026
- Rounds
- 3
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
Indexed holds 3 funding rounds and 6 investors for this company. The full record is or through the API.
About
MJOLNIR SPACEWORKS Co., Ltd. (MSW) is a Japanese space propulsion company founded in 2020 and headquartered in Sapporo, Hokkaido, with offices in Tokyo and a laboratory in Kawasaki. The company develops hybrid rocket engines using the CAMUI technology and proprietary weldless tank systems to enable mass production of rockets at low cost — comparable to automotive manufacturing. MSW's goal is to launch an era when space access is as routine and affordable as riding a car, delivering 'Simple, Safe & Low-cost' propulsion systems for the emerging commercial launch market.
Summary
It lists 11–50 employees. It has raised $16.4M in total across 3 rounds, most recently a $12.0M Series B round in 2026 (est.). Investors include Incubate Fund, Z Venture Capital and SPARX Asset Management.
Tech & App Stack
2 technologies & apps tracked
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Funding History
2026 (est.)
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Funding: Series A through Series B. Amounts, valuations, and investors where available.
Investors
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