I
Interstellar Technologies
Space · Hiroo, Japan · Founded 2013
Rocket development, space transportation services MoreLess
iSTELLAR Inc. specializes in providing low-cost custom rocket launch services, focusing on the deployment of small satellites and observation rockets. Operating primarily in the aerospace sector, iSTELLAR serves clients ranging from research institutions to commercial enterprises looking to deploy satellites into orbit. The company is developing an orbital rocket, named ZERO, designed to carry satellites around the Earth. By leveraging proprietary technology and collaborating with various research institutions, iSTELLAR aims to create the world's most cost-effective and convenient rocket launch solutions. The business model revolves around offering tailored launch services, thereby generating revenue through contracts with organizations needing satellite deployment. iSTELLAR is positioning itself as a key player in Japan's burgeoning space industry, contributing to the global space economy by making space more accessible and affordable.
Keywords: custom rocket launch, small satellites, observation rockets, orbital rocket, aerospace, low-cost, proprietary technology, research institutions, satellite deployment, Japan space industry.
Company overview
Interstellar Technologies company information
The essential company record, classifications and operating signals in one place.
- Status
- Operational
- Founded
- 2013
- Headquarters
- Hiroo, Japan
- Employees
- 70
- Open positions
- 32
- Dealroom signal
- 89.3
Valuation & funding
Interstellar Technologies funding history
Company financing events and reported valuations.
| Deal type | Date | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| DEBTDebt | Jan 2026 | $41M | — | Japan Finance | ↗ |
| SERIES FOther financing | Jan 2026 | $114M | $456M | SBI Group · Nomura Real Estate Development · B Dash Ventures · SMBC Edge | ↗ |
| DEBTDebt | Jul 2025 | $18M | — | Undisclosed | ↗ |
| SERIES FOther financing | Jul 2025 | $50M | $200M | JAPANET · Sumitomo Mitsui Banking · Space Frontier | ↗ |
| LATE VCOther financing | Jan 2025 | $54M | $216M | Toyota Motor Corporation | ↗ |
| DEBTDebt | Aug 2024 | Resona Bank | ↗ | ||
| SERIES EOther financing | Aug 2024 | NTT DoCoMo · SBI Group | ↗ | ||
| SERIES DOther financing | Jan 2023 | SBI Investment · Hagiwara · INCLUSIVE · KADOKAWA | ↗ | ||
| LATE VCOther financing | Dec 2022 | SBI Investment | ↗ | ||
| SERIES COther financing | May 2022 | IMV · Hagiwara Construction Industry · CyberAgent · INCLUSIVE | — |
Growth signals
Interstellar Technologies website traffic
Latest recorded traffic for Interstellar Technologies is 21K monthly website visits, down 4.5% over the last three months. Interstellar Technologies's team grew 14.8% over the past year.
Hiring
Open positions at Interstellar Technologies
Current openings linked to this company in Dealroom.
Comparisons
Interstellar Technologies compared with similar companies
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Talent graph
Interstellar Technologies's talent
Source: Dealroom Talent Intelligence.
Investors
33 investors on Interstellar Technologies's cap table
Sourced from Dealroom's funding and investor records.






















Global footprint
Where Interstellar Technologies has talent and traffic
team presence
In the news
Latest news about Interstellar Technologies
Recent press, funding announcements, and product moves mentioning Interstellar Technologies — open to read from the original sources.
Market sentiment
What the market is saying about Interstellar Technologies
An AI-synthesized read of the highest-engagement posts about Interstellar Technologies on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
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