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
Seiho Investment Works believes a VC's role goes beyond supplying risk capital: it must assess investment eligibility, help portfolio companies build sound management, generate returns commensurate with risk, and demonstrate the social and economic value of innovation. Guided by a principle of 'fairness', the firm invests hands-on in seed to early-stage technology companies nationwide across Japan, spanning healthcare/bio, consumer-facing (BtoC) IT, enterprise (BtoB) IT, and deep tech. It provides operational support from founding through maturity, drawing on decades of experience and networks built at Osaka Small and Medium Business Investment & Consultation.
Source: firm website, verified Aug 7, 2026.
Team · 7 people
from the firm's website
What they invest in
from 15 of 26 portfolio companiesFuture of Work ×4SaaS ×4AI & Machine Learning ×3Consumer ×2Digital Health ×2EdTech ×2Healthtech ×2Impact & Social Good ×2
HQs:Japan×14United States×1
Investments · 26 tracked
founders shown can be your intro pathCo-investorsDG IncubationOpen Network Lab
PR TIMES is a press release distribution service that helps companies distribute news releases to media and the public, with content syndicated across more than 260 partner sites.
Marketing TechMedia & EntertainmentSaaS
Co-investorsAngel Bridge Co.,Ltd.basepartnersDD Holdings Venture CapitalDIMENSIONi Cubed Venturesi-nest capital+7 more
AOI 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))
Co-investorsi-nest capitalNippon Venture CapitalNOW JapanUntroD Capital
Camp car sharing and reservation platform for overnight stays in vehicles.
Co-investorsLifetime VenturesW Inc.
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))
GraGreen develops improved crop varieties using genome editing and traditional breeding methods to reduce resource inputs and increase agricultural yields.
AgTechClimate TechNagoya, JP
Masaki Niwain
Co-investorsBeyond Next VenturesKyoto University Innovation CapitalShizuoka CapitalTechstarsUTokyo Innovation Platform Co. Ltd.
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
Japanese media platform where creators publish text, images and audio and readers follow, support and subscribe to them.
Co-investorsDnx VenturesOriental Land InnovationsW Inc.
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
Co-investorsDnx VenturesKobe University CapitalMobile Internet Capital, Inc.Nippon Venture Capital
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))
BoardKiyofumi Ando(取締役 (Director))Joe Waller(取締役 (Director))
Co-investorsShizuoka Capital
Stripe provides financial infrastructure for businesses to accept payments, offer financial services, and implement custom revenue models across international markets in 135+ currencies.
Developer ToolsFintechSaaSSan Francisco, US
John Collison(Co-founder & President)inPatrick Collison(Co-founder & CEO)inWilliam Gaybrick(Executive Officer)Greg Brockman(Founding Engineer, then first CTO)inSarah HeckSarah Heck
Co-investors500 GlobalAdvaita CapitalAglae VenturesAir Street CapitalAlkeon InnovationAndreessen Horowitz+60 more
Co-investorsEnergy & Environment Investment
SUNDA provides a prepaid water payment and collection system designed to ensure sustainable maintenance of water infrastructure in sub-Saharan Africa.
CleantechImpact & Social GoodIoT
Co-investorsANOBAKA
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
Co-investorsLifetime Ventures
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))
Co-investorsNOW Japan
Co-investorsDnx VenturesGlobal Brain
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))
Co-investorsKyoto University Innovation Capital
Portfolio news
latest coverage across their companies
Stripe · techcrunch.com · Jul 20, 2026
Frequently asked questions
- How many investments has Seiho Investment Works made?
- Seiho Investment Works has 26 tracked investments.
- 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.
- Who does Seiho Investment Works co-invest with?
- Seiho Investment Works most often shares deals with W Inc., Dnx Ventures, Kyoto University Innovation Capital, among 30 tracked co-investors.
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