One Capital
One Capital is a Tokyo-based Japanese venture capital firm that invests growth capital across Pre-Series A through Series C in Japanese startups spanning dining DX, sustainability ERP, space tech, construction tech, and medtech.
- Company typePrivate
- Founded2020
- HeadquartersTokyo, Japan
- Headcount1–10
- GTM typeB2B
- OfferingServices
What One Capital does
One Capital is a Tokyo-based, privately-held Japanese venture capital firm that invests growth capital in early-to-mid-stage Japanese startups, with disclosed activity from Pre-Series A extensions through Series C. The firm's documented portfolio spans at least five sectors — dining digital transformation (CRISP), sustainability ERP and ESG disclosure (Booost), space technology and satellite launch via the Rockoon method (AstroX), construction technology and labor-shortage automation (H2 Corporation), and medtech (Medmain). One Capital has executed both lead and co-investor roles, syndicating with institutional investors including NEA, JAFCO, Spiral Capital, MetaProp, Lotte Ventures Japan, Plug and Play, and multiple Japanese megabanks and government-affiliated lenders.
The firm employs 1-10 people per the input data, has not publicly disclosed fund size, AUM, or revenue, and provides no information on its management team, founders, or limited-partner base. Its investment activity intensified from one disclosed round in May 2025 to four rounds across December 2025 and February-March 2026, including co-lead positions on the AstroX ¥2.32 billion Series A 2nd close and the Medmain $3.3 million round. A third-party comparison article references an acquisition of Brex by One Capital, but this claim is flagged as uncorroborated within the source material and should be treated as unverified.
As a financial investment vehicle rather than an operating technology company, One Capital has no proprietary product, pricing model, or distribution channel of its own; its economic model would be standard venture management fees and carried interest, though no financial details are disclosed. The company's competitive positioning relies on access to syndicate networks and visibility into Japanese startup deal flow rather than on disclosed proprietary technology or brand differentiation.
One Capital firmographics
Firmographics- Name
- One Capital
- Legal name
- One Capital, Inc.
- Website
- https://onecapital.jp/en
- Company type
- Private
- Founded year
- 2020
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- One Capital is a Tokyo-based Japanese venture capital firm that invests growth capital across Pre-Series A through Series C in Japanese startups spanning dining DX, sustainability ERP, space tech, construction tech, and medtech.
- Ownership category
- akta.pro rank
One Capital industry classification
Industry- Product category
- Venture Capital
- NAICS
- Other Financial Investment Activities (5239)
- SIC
- Investors, Nec (6799)
- akta.pro primary industry
- Early-Stage Venture Capital (Series A/B) (FSANAAAB)
Keywords
Where One Capital is headquartered
LocationHeadquarters
- HQ city
- Tokyo
- HQ country
- Japan
- HQ region
- Asia
Markets served
One Capital business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations
One Capital product offering
Product offeringCore offering
One Capital is a Japanese venture capital firm that invests equity capital in early-to-mid-stage Japanese startups across multiple sectors. The firm deploys capital as both lead investor and co-investor in funding rounds ranging from Pre-Series A extensions through Series C, participating alongside institutional investors, banks, and other venture capital firms.
Product overview
One Capital is a venture capital firm. Based on the source data, One Capital makes equity investments in technology startups across various sectors including dining/digital transformation, sustainability ERP, space/aerospace technology, construction technology, and medtech. The source data does not contain information about One Capital's own product or service offerings.
Differentiator
Problem solved
Functional benefit
Companies that use One Capital
Customer profileIdeal customer profiles1 record
One Capital technology and API
TechnologyAPI detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
One Capital partnerships and signals
Strategic signalRecent moves6 records
Expansion highlights4 records
One Capital competitors and assessment
Company assessmentDirect peers
- Spiral Capital: Japan-focused early-to-mid-stage VC actively co-investing alongside One Capital in deals such as H2 Corporation's pre-Series A extension. Directly comparable stage, geography, and sector breadth.
- ANRI: Tokyo-based early-stage VC investing across Japanese seed and Series A startups. Comparably sized, similarly stage-focused, and operating in identical Tokyo seed ecosystem.
- Genesia Ventures: Tokyo-based early-stage VC with multi-sector approach across Japanese and Southeast Asian startups. Directly comparable in stage, geography, and sector-broad thesis.
- Global Brain: Japan-headquartered VC with deep-tech and growth-stage focus. Comparable as a domestic VC of similar stage reach, though typically larger AUM.
- World Innovation Lab (WiL): Tokyo-based VC investing in early-to-mid-stage startups across sectors including health, sustainability, and frontier tech. Comparable stage and geographic focus.
- Coral Capital: Tokyo-based early-stage VC focused on Japanese startups across enterprise, fintech, and consumer. Same geography and stage, similar fund-size profile.
Broad incumbents
- JAFCO: Largest Japanese VC/PE firm, with multi-stage and multi-sector activity. Comparable as it co-invests alongside One Capital in H2 Corp; broader incumbent given decades of vintage depth and large AUM.
- UTEC (University of Tokyo Edge Capital Partners): University of Tokyo-affiliated deep-tech VC backing science-based startups. Comparable as Japan-domiciled VC; differentiated by deep-tech specialization.
- MUFG Innovation Partners: Corporate VC arm of Mitsubishi UFJ Financial Group, investing across Japanese startups with broader balance-sheet backing. Co-located in MUFG ecosystem alongside One Capital's banker counterparties.
Emerging players
- Plug and Play: Global VC/accelerator with Japanese operations, co-invested alongside One Capital in Medmain's $3.3M round. Directly comparable via the same co-investment deal.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat3 records
Key risks6 records
Key highlights5 records
Customer concentration
One Capital social profiles
Digital presenceOne Capital financial estimates
Financial estimateRevenue estimate
Valuation estimate
One Capital leadership team
Management profileNumber of profiles
One Capital funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
One Capital M&A and investment
M&A and investmentM&A
Investments31 records
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about One Capital
What does One Capital do?
One Capital is a Japanese venture capital firm that invests equity capital in early-to-mid-stage Japanese startups across multiple sectors. The firm deploys capital as both lead investor and co-investor in funding rounds ranging from Pre-Series A extensions through Series C, participating alongside institutional investors, banks, and other venture capital firms.
Is One Capital a public or private company?
One Capital is a private company. It is classified as unknown and is currently operating.
When was One Capital founded?
One Capital was founded in 2020. It employs 1 to 10 people.
Where is One Capital based?
One Capital is headquartered in Tokyo, Japan, in the Asia region.
Who are One Capital's main competitors?
Direct peers on record are Spiral Capital, ANRI, Genesia Ventures, Global Brain, World Innovation Lab (WiL) and Coral Capital. Broad incumbents are JAFCO, UTEC (University of Tokyo Edge Capital Partners) and MUFG Innovation Partners. Plug and Play is listed as an emerging player.
Does One Capital have an API?
No public API is recorded for One Capital.
What industry is One Capital in?
One Capital's product category is Venture Capital. Its primary akta.pro industry code is FSANAAAB, Early-Stage Venture Capital (Series A/B). Its NAICS code is 5239 and its SIC code is 6799.