Nstock株式会社
Tokyo, JP · 1 known investors
Nstock builds infrastructure for Japanese startups, including an equity compensation platform powered by AI and specialists, a secondary market for trading private startup equity, and a product that democratizes investment opportunities in startups.
Also known as Nstock · Nstock株式会社
Founders & leadership
Investors · 1
Company profile
researched Aug 2026Nstock株式会社 is a Tokyo-based company whose stated mission is to build the infrastructure required by trillion-yen-scale (decacorn) Japanese startups. Its principal offering, Nstock株式報酬 (Nstock Equity Compensation), covers the design, administration and practical use of equity compensation instruments, with stock options as the central use case. The service is delivered as a combination of a software product and a dedicated specialist team, with AI used to support the workflow.
Beyond the equity-compensation service, the company positions itself around infrastructure for the Japanese startup ecosystem, including a secondary market for trading private startup shares and a product intended to broaden access to startup investment opportunities. The company operates a hiring program framed around activating the startup ecosystem in Japan.
Business model
Nstock provides an equity-compensation SaaS product bundled with support from an in-house specialist team, adopted by startup and technology employers; LayerX is a named customer of the equity-compensation SaaS.
Traction
Announced adoption of its equity-compensation SaaS by LayerX in November 2025, and received external recognition including the ICC KYOTO 2025 Guardian Catapult win and the EY Innovative Startup 2026 award.
Latest developments
In March 2026 the company was recognized as an EY Innovative Startup 2026 honoree. In November 2025 it announced that LayerX had adopted its equity-compensation SaaS to optimize the operation of its equity-compensation program. In September 2025 it won the Guardian Catapult competition at ICC KYOTO 2025. It also published revisions to its terms of use (effective September 2025) and privacy policy (effective June 2025).
▸Full profile — market position, technology, go-to-market, geography
Market position
Positions itself as a provider of foundational infrastructure for Japan's startup ecosystem, targeting companies aiming for trillion-yen valuations; recognized as EY Innovative Startup 2026 and winner of the Guardian Catapult at ICC KYOTO 2025.
Technology
A software platform for designing, managing and utilizing equity compensation, described by the company as using AI alongside human specialists to handle the full lifecycle of stock options and related instruments.
Go-to-market
Japanese startups and growth companies that issue stock options and other equity compensation to employees, plus participants in private startup equity markets.
Geography
Headquartered in Tokyo, Japan, with a focus on the Japanese startup ecosystem.
Compiled by commissioned research from 1 cited public sources — announcements, filings, and press listed under research sources below.
Timeline · 3
launches, deals, and filingsNstock株式会社 was named an "EY Innovative Startup 2026" honoree, recognized as a startup driving innovation.
株式会社LayerX implemented Nstock's equity compensation SaaS to optimize administration and improve operational efficiency of its equity compensation program.
Nstock took first place in the "Guardian Catapult" competition at ICC KYOTO 2025.
Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.
▸Research sources · 1
primary sources listed
- Nstock株式会社nstock.co.jp · web
1 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does Nstock株式会社 do?
- Japanese company building infrastructure for startups, centered on an equity-compensation service combining software with expert support.
- Who founded Nstock株式会社?
- Nstock株式会社 was founded by 宮田 昇始.
- Who are Nstock株式会社's investors?
- Nstock株式会社's investors include Coral Capital.
- Where is Nstock株式会社 headquartered?
- Nstock株式会社 is headquartered in Tokyo, JP.