Startup accelerators in Japan: who backs its startups

11 accelerators back startups in Japan: they run there or hold at least two portfolio companies based there, 218 portfolio startups in all. The most active here are Plug and Play (99), Techstars (45) and 500 Global (27).

Accelerators by their portfolio companiesRebuilt 6 Nov 2026
accelerators
11
portfolio startups
218

Accelerators backing startups in Japan

AcceleratorStartups herePortfolio rounds, 12 moLatest activity
Plug and PlayAccelerator · United States · Aeterlink, Araya, ElevationSpace99154Nov 2026
TechstarsAccelerator · United States · Listenfield, Kyoto Fusioneering, Sagri4597Oct 2026
500 GlobalAccelerator · United States · Authlete, Sakana AI, Infostellar2735Oct 2026
Open Network LabAccelerator · Japan · Connected Robotics, WHILL, Digital Garage20––
AntlerAccelerator · Singapore · KanjuTech, Refined Robotics Pte Ltd, Avete1853Nov 2026
University of Tokyo Innovation PlatformAccelerator · Japan · Logomix, Orbital Lasers, WealthNavi131Apr 2026
ERAAccelerator · Closer, RevComm, Boostdraft104Jul 2026
EndeavorAccelerator · United States · Unifa, WHILL, Sansan555Oct 2026
MetapropAccelerator · United States · Asuene, TERASS, toggle holdings35Sep 2026
GROWAccelerator · Singapore · Listenfield, CRUST JAPAN27Oct 2026
ABBALabAccelerator · Japan · Zeals, RATEL2––

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Tell us about your startup once: Alion matches it to the accelerators and funds that back companies like it in Japan.

Questions

Which accelerators back startups in Japan?

11 accelerators back startups in Japan: they run there or hold at least two portfolio companies based there, 218 portfolio startups in all. The most active here are Plug and Play (99), Techstars (45) and 500 Global (27).

How is this list built?

From what each accelerator holds: the portfolio page it publishes, the Y Combinator directory and the announced rounds that name it. An accelerator counts for Japan when it runs there or at least two of its portfolio companies are based there; the list is rebuilt every night from 342 portfolios.

Source: investors' portfolio pages and announced rounds, 342 portfoliosUpdated 6 Nov 2026MethodologyJSONCC BY-SA 4.0