# Space Quarters

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/space-quarters

- Industry: Aerospace
- Headquarters: Tokyo, Japan
- Website: https://space-quarters.com
- Total disclosed funding: $5.9M
- Latest round: Seed (Oct 15, 2025)
- Investors on record: 7

## About

Founded in 2022, and based in Tokyo, Japan, Space Quarters Inc. develops next generation space construction systems using electron beam welding and robotics to assemble large orbital and lunar structures directly in space. In October 2025, Space Quarters Inc. raised JPY 750 million in seed funding led by new investor Frontier Innovations, with participation from other new investors XTech Ventures, Mitsubishi UFJ Capital, Global Brain and SMBC Venture Capital. Returning investor Keio Innovation Initiative also participated in the round.

## Funding rounds

- Seed, Oct 15, 2025, $4.9M — Mitsubishi UFJ Capital, SMBC Venture Capital, Global Brain, Keio Innovation Initiative, XTech Ventures, Frontier Innovations
- Angel, Jun 3, 2024, $1M — Keio Innovation Initiative, Reazon Holdings

## Investors

- Keio Innovation Initiative (https://capitalatlas.ai/funds/keio-innovation-initiative) — Angel, Seed
- Reazon Holdings — Angel
- Mitsubishi UFJ Capital (https://capitalatlas.ai/funds/mitsubishi-ufj-capital) — Seed
- SMBC Venture Capital (https://capitalatlas.ai/funds/smbc-venture-capital) — Seed
- Global Brain (https://capitalatlas.ai/funds/global-brain) — Seed
- XTech Ventures (https://capitalatlas.ai/funds/xtech-ventures) — Seed
- Frontier Innovations (https://capitalatlas.ai/funds/frontier-innovations) — Seed