Spiral Capital
VC Fund
Tokyo, Japan
Spiral Capital is a VC fund in Tokyo focused on Software and Information Technology. Spiral Innovation Partners provides Investments to healthcare startups.
- Total investments:
- 115
- Last investment:
- Lead investor:
- 26%
- Fund size:
- $92M
- Last fund:
Last updated:
For AI agents: llms.txt
Industries Spiral Capital invests in
Stages Spiral Capital invests in
Countries Spiral Capital invests in
Round sizes
Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Round size
- Seed
- $874k–$9.3M
- Series A
- $1.1M–$63M
- Series B
- $3.9M–$47M
Investment Focus
Industry
- Software 17 (15%)
- Information Technology 13 (11%)
- Internet 9 (8%)
- Artificial Intelligence 8 (7%)
- Apps 7 (6%)
Stage
- Series A 25 (22%)
- Series B 22 (19%)
- Seed 20 (17%)
- Venture - Series Unknown 19 (17%)
- Funding Round 7 (6%)
Country
- Japan 79 (69%)
- United Kingdom 1 (1%)
Team
| Name | Title | Investments | Links | |
|---|---|---|---|---|
Akitomo Naoi
Senior Associate
|
Senior Associate | Total investments: 8 | Find email | |
Hiroshi Oka
Representative Partner
|
Representative Partner | Total investments: 14 | Find email | |
Shuzo Ueki
Associate
|
Associate | Total investments: 5 | Find email |
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Spectronics is a development of new technologies and new applications to bring about innovation, focusing on the future of laser technology. | $3.3M / Series F / Oct 01, 2026 | ||
| Facilo is a real estate communication provider that uses cloud computing to enhance sales and ease transactions of real estate brokerage. | $25M / Series B / Sep 17, 2026 | ||
|
Kiviaq
|
$971.4K / Seed / Sep 14, 2026 | ||
| POLASTECH promotes structural transformation in energy-intensive industries, including data centers, by integrating materials technology and systems technology. | $911.8K / Seed / Sep 09, 2026 | ||
| Power Laser is a startup company that offers a range of power laser technologies and applications. The company develops high-power laser systems, related components, and software for advanced industrial and scientific applications. Its mission, “Power lasers open the future,” reflects its focus on next-generation photonics and precision laserinnovation for manufacturing and research sectors. | $7.5M / Series A / Sep 02, 2026 | ||
| Paytner is providing services to support freelance people's funding. The freelance population in Japan has been shown to continue to increase in many Chosa. While working styles are diversified, they are not able to respond to the development of the working environment, and they will develop their business to change the situation whereproblems such as funding, credit, sexual harassment, and power harassment are accumulated. | $14.4M / Series D / Sep 01, 2026 | ||
| AZUL Energy is a next-generation energy device that improves air battery performance, develops air battery-related products, and proposes eco-friendly and comfortable new lifestyles. They discovered that a catalyst electrode containing one of these pigments performed better than platinum carbon or existing catalyst electrode materials. | Series A / Jul 30, 2026 | ||
| MOZU operates a construction materials procurement platform. | $8M / Series B / Jul 09, 2026 | ||
| WAKA is a studio that produces metaverse games and specializes in contract development for domestic businesses. | $1.6M / Seed / May 31, 2026 | ||
| Monochrome is creating a home operating system in order to power the next generation of energy-producing homes and roofs. The company is based in Chuo Ward, Tokyo. | $10.7M / Series B / Apr 22, 2026 | ||
| See all 115 investments → | |||
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FAQ
What does Spiral Capital invest in?
Spiral Capital invests primarily in Software, Information Technology and Internet startups, most often at Series A and Series B stage. Most of the 115 investments tracked by Shizune back companies in Japan. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What round sizes does Spiral Capital invest in?
Spiral Capital typically joins rounds of $874k–$9.3M at Seed, $1.1M–$63M at Series A and $3.9M–$47M at Series B. These are whole funding-round sizes, not Spiral Capital's own check, which is rarely disclosed: the 10th–90th percentile of the confirmed public funding rounds Spiral Capital took part in.
How do I contact Spiral Capital?
Public channels for Spiral Capital include the website linked on this profile and Facebook. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
Who are the partners at Spiral Capital?
The team at Spiral Capital includes Akitomo Naoi (Senior Associate), Hiroshi Oka (Representative Partner) and Shuzo Ueki (Associate). The Team section lists each member with their title, investment count and links.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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