Investors / Japan / Seiho Investment Works
Seiho Investment Works
Venture capital · Kyoto, Japan · Asia Pacific
Seiho Investment Works is a venture capital firm that operates venture capital funds and is registered as a qualified institutional investor special business operator. It invests in domestic Japanese startups and provides hands-on management support.
Invests inHealthcare & Biotech
In its own wordstechnologyhealthcarebiotechdeeptechb2bb2c
Your fit with Seiho Investment Works
Four questions about your startup
See how your round matches what it backs, point by point.
Or find every investor that fitsSeiho Investment Works lists 22 checked portfolio companies on its own site. Its largest themes are Healthcare & Biotech (22%), AI & Machine Learning (14%) and Education (11%). 100% of its companies are based in Japan. It invests most often alongside Kyoto University Innovation Capital, Lifetime Ventures and Nippon Venture Capital.
No funding round on record names Seiho Investment Works yet, so the figures come from its portfolio page.
Round figures show recent activity, not Seiho Investment Works' whole history. Rounds on record name 0 companies; its own site lists 22. Funding rounds are complete from mid-2025, so counts and the yearly trend undercount a firm that invested before then. The portfolio, themes and places come from its own site and are not affected.
Investment themes
share of its checked companiesThis firmAll checked companies
Show as a table
| This firm | All checked companies | |
|---|---|---|
| Healthcare & Biotech | 22% | 15% |
| AI & Machine Learning | 14% | 18% |
| Education | 11% | 7% |
| Enterprise Software | 8% | 8% |
| Industrial & Manufacturing | 8% | 7% |
| Fintech | 6% | 12% |
| Cybersecurity | 6% | 4% |
| Space & Defense | 6% | 3% |
Invests most often with
firms sharing its portfolio companiesShow as a table
| Share | |
|---|---|
| Kyoto University Innovation Capital | 2 |
| Lifetime Ventures | 2 |
| Nippon Venture Capital | 2 |
| Shizuoka Capital | 2 |
| ANOBAKA | 1 |
| Beyond Next Ventures | 1 |
| CREST Skill Partners | 1 |
| CyberAgent Capital | 1 |
Investor profile
percentile among all firmsShow as a table
| Measure | Percentile of all firms | Value |
|---|---|---|
| Portfolio size | 55th | 22 companies |
| Recent activity | 46th | 0 rounds in 12 months |
| Early stage | 54th | 0% of entries at pre-seed or seed |
| Evidence | 52th | 0% of companies confirmed by a round |
| Sector focus | 25th | 22% in its largest sector |
| Reach | 19th | 1 country |
Its portfolio companies
where they are based, and what their own sites showSite status
- Site answers22100%
- No longer answers00%
- Points to another company00%
- Parked or sold domain00%
A site that stops answering three checks in a row is counted as no longer answering; that is not proof of closure. A site that points to another company is often an acquisition.
Co-investor network
who it backs companies with, and who they back togetherAll co-investors or Compare portfolios with Kyoto University Innovation Capital
Compare Seiho Investment Works head to head
portfolio size, rounds, entry stages, themes and the companies both backThree or more firms at once: portfolio overlap.
Portfolio
22 companies checked against their own sites| Company | What it does | Themes | First round with it | Evidence |
|---|---|---|---|---|
| AOI Biosciences develops and provides diagnostic tests and supports drug development based on the Neoself theory, a new mechanism explaining the root of autoimmune diseases. | Healthcare & Biotech | Portfolio page | ||
| Bestat-data provides a 3D data AI cloud service that generates 3D models from data and utilizes them for business purposes | AI & Machine LearningCybersecurity | Portfolio page | ||
| Bizibl provides a web marketing tool for managing and automating webinars | Space & DefenseHealthcare & Biotech | Portfolio page | ||
| The company operates a matching service for caregivers and welfare facilities using digital technology. | Healthcare & Biotech | Portfolio page | ||
| Carstay is a company that offers camping car rentals and car sharing services. | Legal & ComplianceReal Estate & Construction | Portfolio page | ||
| Coeto develops and provides an audio live streaming app called wacha. | Enterprise SoftwareMedia & Entertainment | Portfolio page | ||
| Funfo provides mobile ordering services for restaurants and food establishments. | Food & AgricultureE-commerce & Marketplaces | Portfolio page | ||
| Gragreen develops and improves crops using genome editing technology and other approaches to increase efficiency and reduce environmental impact. | AI & Machine LearningAI & Machine Learning | Portfolio page | ||
| Ingage develops and provides IT services, including a customer support service called Re:lation. | Industrial & ManufacturingConsumer | Portfolio page | ||
| The company provides genetic analysis services and develops and manufactures reagent kits. | Healthcare & Biotech | Portfolio page | ||
| Lancul provides English conversation services in cafes and online | EducationEnterprise Software | Portfolio page | ||
| The company provides various services including special learning, shift support, and smart solutions for people with intellectual disabilities. | EducationHealthcare & Biotech | Portfolio page | ||
| Memetech develops and provides services such as smartphone apps and digital school payment services to help children learn about money management | FintechEducation | Portfolio page | ||
| My Sherpa provides online counseling services | Healthcare & Biotech | Portfolio page | ||
| The company develops and provides AI and IoT solutions for various industries, including healthcare, education, and agriculture. | AI & Machine LearningIndustrial & Manufacturing | Portfolio page | ||
| SecureNavi provides a cloud service for managing ISMS certification and P-Mark operation | CybersecuritySpace & Defense | Portfolio page | ||
| Splyza develops and provides application support for sports education, healthcare, and manufacturing industries. | EducationHealthcare & Biotech | Portfolio page | ||
| Portfolio page | ||||
| Portfolio page | ||||
| Sundaglobal develops and implements solutions for water supply management in Africa | Industrial & ManufacturingAI & Machine Learning | Portfolio page |
About this data
site last read 5 Nov 2026- Site
- siwi.info
- Last read
- 5 Nov 2026
- Watching since
- 5 Nov 2026
- Companies checked
- 22
Rates come from what VCinfo has observed since observation_start. Firms tend to remove companies that closed, so early rates understate reality. A company leaving a portfolio page does not mean it closed or exited. An unreachable site means our checks failed, nothing more.
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