5 of the 100 companies on the Space 100 are based in Japan, 5% of the list, across 2 categories and 4 segments. The highest ranked is Astroscale, rank 7 of 100 with a score of 86. Ranking and scores from the November 2026 edition, the assessment by Frontier Tech Intelligence of the space landscape.
| Rank | Company | Category / segment | Country | Score |
|---|---|---|---|---|
| 7 | AstroscaleAstroscale develops and operates missions to inspect, capture, remove and deorbit orbital debris, including ADRAS-J2's planned removal of a large H-IIA rocket upper stage. | Satellites & spacecraft / Servicing & tugs | Japan | 86 |
| 21 | Mitsubishi Heavy H3Mitsubishi Heavy Industries develops and operates the H3 launch vehicle and sells launch services to government and commercial customers, including ispace. | Launch / Heavy & medium | Japan | 81 |
| 41 | SKY Perfect JSATSKY Perfect JSAT sells space-based connectivity services in Japan, including as an authorized reseller of Amazon Leo. | Satellites & spacecraft / Communications constellations | Japan | 76 |
| 47 | iQPSiQPS operates the QPS-SAR constellation of small radar satellites, providing day-and-night Earth observation imagery with little sensitivity to cloud cover. | Satellites & spacecraft / Earth observation | Japan | 74.5 |
| 95 | SynspectiveSynspective builds and operates the StriX constellation of small synthetic-aperture radar satellites, supplying satellite imagery for rapid disaster assessment and other Earth-observation use cases. | Satellites & spacecraft / Earth observation | Japan | 64 |
Score out of 100: traction (deployment, production, commercials, progress) and capability (technology, positioning, firepower, leverage). The full Space 100 with filters →
5 of the 100 companies on the Space 100 are based in Japan: Astroscale, Mitsubishi Heavy H3, SKY Perfect JSAT, iQPS and Synspective. Astroscale ranks highest (rank 7 of 100, score 86). Ranking from the Space 100, November 2026 edition, by Frontier Tech Intelligence.
Astroscale ranks highest (rank 7 of 100, score 86). Next: Mitsubishi Heavy H3, SKY Perfect JSAT and iQPS. Ranking from the Space 100, November 2026 edition, by Frontier Tech Intelligence.
5 of 100, 5% of the list. Ranking from the Space 100, November 2026 edition, by Frontier Tech Intelligence.
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