Seiho Investment Works
Venture capitalKyoto · Pre-Seed–Growth · 7 people tracked
Also known as 栖峰投資ワークス株式会社
Investment thesis
The firm views the role of a venture capital as extending beyond providing risk capital: it holds a duty to assess a company's investment worthiness, support sound management, generate risk-appropriate returns, and demonstrate the social and economic value of innovation. Guided by a principle of fairness, it aims to fulfill the essential mandate of venture capital based on sound value judgment and best practices. It invests in seed to early-stage technology companies throughout Japan, writing checks of roughly 10-100 million yen, and works hands-on with portfolio companies.
Source: firm website, verified Aug 7, 2026.
Team · 7 people
from the firm's website
What they invest in
from 14 of 26 portfolio companiesFuture of Work ×4AI & Machine Learning ×3SaaS ×3Consumer ×2Digital Health ×2EdTech ×2Healthtech ×2Impact & Social Good ×2
HQs:Japan×13
Investments · 26 tracked
founders shown can be your intro pathAOI Biosciences is a Japanese biotech company focused on infectious diseases and autoimmune disorders, combining data analysis technology with proprietary bio-technology.
BiotechHealthtechMedical DevicesIbaraki, JP
末田 伸一(代表取締役 (Representative Director/CEO))
Coeto is a Japanese company that develops wacha, a voice-based live streaming app for connecting people around shared interests.
ConsumerMedia & EntertainmentSocialTokyo, JP
Kenji Minato(Representative Director (CEO))
LanCul offers English conversation practice through a subscription service where learners use English naturally at cafes or online rather than in classroom-style lessons, with bilingual staff support and cross-cultural exchange events.
ConsumerEdTech
Levtech operates IT-specialized job placement and freelance agency services in Japan, connecting engineers, creators, and IT students with job openings and project contracts through career advisors, scout services, and freelance representation.
B2B MarketplacesFuture of WorkHR Tech
My Sherpa (マイシェルパ) is an online counseling service that connects people with counselors to address stress and mental health concerns—such as relationships, work, future worries, and issues related to children—at an early stage.
Digital HealthMental HealthWellness & Fitness
NEXs Tokyo is a Tokyo-run startup support program that offers online and offline content and networking opportunities to help startups expand and accelerate their businesses domestically and internationally.
Future of WorkTokyo, JP
A Japanese technology company that develops low-cost AI and IoT systems combining edge devices and cloud processing for field data, images, and audio.
AI & Machine LearningHardwareIoTKobe, JP
SPLYZA develops video-analysis technology that visualizes body movement, offering products for sports, education, healthcare/rehabilitation, and manufacturing.
AI & Machine LearningEdTechSaaSSports TechHamamatsu, JP
Hiroyuki Doi(代表取締役 (Representative Director/CEO))Kiyofumi Ando(取締役 (Director))Joe Waller(取締役 (Director))
Stripe provides payment processing and financial infrastructure via APIs and no-code tools, enabling businesses to accept payments, offer embedded financial services, and build custom revenue models.
Developer ToolsFintechSaaS
John Collison
SUNDA provides a prepaid water payment and collection system designed to ensure sustainable maintenance of water infrastructure in sub-Saharan Africa.
CleantechImpact & Social GoodIoT
坪井 (Tsuboii)
TimeCrowd is a time-tracking and work-hour management tool that lets teams see in real time who is working on which tasks, visualize workload per project and per member, and automatically calculate labor cost based on hourly rates.
Enterprise SoftwareFuture of WorkSaaS
JSSA is a Japanese startup support association that provides mentoring from former executives of listed companies, an LP fund for capital strategy and fundraising, and networking with sponsors and advisor companies to help member startups reach IPO or M&A exits.
Future of WorkImpact & Social Good
Takahiro Oka(Representative Director (founder))
YStory develops AI-powered digital health solutions for women, with a focus on menopause management.
AI & Machine LearningDigital HealthHealthtechTokyo, JP
Janet Yu(CEO (Representative Director))Sherry Shi(CEO (Representative Director))
Frequently asked questions
- What stage does Seiho Investment Works invest at?
- Seiho Investment Works invests at the Pre-Seed, Seed, Series A, Series B, Series C, Growth stages.
- What is Seiho Investment Works's typical check size?
- Seiho Investment Works typically writes checks of $67K – $670K.
- What sectors does Seiho Investment Works focus on?
- Seiho Investment Works focuses on Biotech, Consumer, Deep Tech, Enterprise Software, Healthtech, Sector Agnostic.
- Where is Seiho Investment Works located?
- Seiho Investment Works is headquartered in Kyoto, JP.
Similar investors
Khosla Ventures is a venture capital firm known for backing bold, contrarian bets in world-class teams that can reshape entire industries.
Kleiner Perkins is a venture capital firm that backs founders across technology and life sciences, with a portfolio of companies from early stage through growth.
UntroD Capital is a deep-tech-focused investment firm that backs research-and-development-driven startups whose innovative technologies address challenges facing the planet and humanity, an approach it terms 'Real Tech'.
Tesi (Finnish Industry Investment Ltd) is a Finnish state-owned investment company that invests directly in companies and as a fund investor, and operates fund-of-funds programs (KRR). It acts as a co-investor across venture, growth, and industrial investments.
UTokyo Innovation Platform (UTokyo IPC) invests in startups that address social challenges, focusing mainly on deep tech with the potential to bring significant impact to society.