All Rankings

Top 100 Japanese Startups 2026

Japan's most-funded private companies — from Tokyo's deep tech and SaaS scene to robotics and fintech — ranked by total capital raised.

Known total funding for 100 of 100 ranked companies: $27.4B.

Showing top 100 matching companies · Ranked by total funding raised

Use company data through the API.
Example request
curl "https://indexed.vc/api/v1/companies?countries=Japan&operatingStatus=active&sort=total_funding_raised&order=desc&limit=100" -H "X-API-Key: YOUR_API_KEY"

The API has no company type filter, so public companies can appear; this list counts private companies only.

The API cannot leave out companies whose latest round is a grant, private equity or debt financing; this list does.

Data from Indexed.vcUpdated

Methodology: up to 100 active companies matching this list's filters are ordered by disclosed total funding in USD. Companies whose latest round is one of: Grant, Private Equity, Debt Financing are excluded. Totals include recorded grants and other qualifying funding, not just equity. Open a company profile for its funding summary and available detail. How this data is built.

1
Rapidus

Japanese semiconductor manufacturer developing advanced 2nm chip technology.

Tokyo, Japan501–1000Semiconductors
Venture RoundTotal funding$14.5BJun 2026
2
Works Human Intelligence

Tokyo-based HR software company offering integrated HCM, payroll and talent management solutions,...

Tokyo, Japan1001–5000HR Tech, SaaS
Growth EquityTotal funding$2.6BMar 2023
3
Spiber

Spiber develops Brewed Protein materials, using microbial fermentation to create plant-based fibe...

Tokyo, Japan201–500Biotech, Manufacturing
Venture RoundTotal funding$807.6MDec 2024
4
SmartHR

SmartHR is Japan's leading cloud-based HR and labor management platform, helping businesses strea...

Tokyo, Japan1001–5000HR Tech
Growth EquityTotal funding$597.0MNov 2025
5
Kadokawa

Japanese comprehensive entertainment company with holdings in publishing, anime, video game studi...

Tokyo, Japan1001–5000Gaming, Media
Corporate RoundTotal funding$578.1MDec 2024
6
Sakana AI

Sakana AI develops frontier AI research and solutions for Japan’s largest enterprises and public ...

Tokyo, Japan51–200Artificial Intelligence, Infrastructure
Series BTotal funding$414.0MMay 2026
7
3s

Aims for a society where everyone can choose home living by operating 24-hour home care services ...

Tokyo, Japan51–200Healthcare, SaaS
Series ATotal funding$330.0MDec 2023
8
Mo Vus

Southeast Asia mobility solutions

Tokyo, JapanFintech
Series BTotal funding$284.0MMay 2026
9
Kyoto Fusioneering

Kyoto Fusioneering develops and delivers core systems needed to operate fusion power plants for f...

Tokyo, Japan201–500Climate Tech, Space Tech
Series DTotal funding$281.7MAug 2026
10
Startale Group

Startale develops onchain infrastructure and consumer products, partnering with Sony to bring tru...

Singapore, Japan51–200Crypto & Web3, Infrastructure
Series ATotal funding$278.5MMay 2026
11
SmartNews

SmartNews delivers personalized news discovery through AI and editorial curation, helping readers...

Tokyo, Japan201–500Artificial Intelligence, SaaS
Series FTotal funding$272.2MSep 2021
12
3DC

3DC develops Graphene MesoSponge battery materials and advanced electrode manufacturing technolog...

Tokyo, Japan1–10Climate Tech
Series ATotal funding$258.5MMar 2026
13
CADDi

AI data platform for manufacturing that digitizes engineering drawings and procurement data to he...

Tokyo, Japan501–1000Artificial Intelligence, Manufacturing
Extension RoundTotal funding$235.0MMar 2025
14
Opn (Synqa)

Opn (formerly Synqa/Omise) provides payment technology and APIs for businesses and financial inst...

Tokyo, Japan201–500Fintech, Payments
Series CTotal funding$220.4MMay 2022
15
Telexistence

Remote robotics in Japan

Tokyo, Japan51–200Artificial Intelligence
Series BTotal funding$190.0MJul 2023
16
Asuene

Asuene is a Japanese enterprise AI sustainability platform for carbon accounting, measuring, repo...

Tokyo, Japan51–200Climate Tech, SaaS
Series DTotal funding$171.7MJul 2026
17
Gojo & Company

Gojo & Company is a leading global microfinance group aiming to become the 'private-sector World ...

Tokyo, Japan51–200Fintech
Series FTotal funding$162.0MOct 2024
18
Preferred Networks

Japanese deep learning AI company developing AI chips, computing infrastructure, generative AI fo...

Tokyo, Japan201–500Artificial Intelligence, Robotics
Extension RoundTotal funding$160.5MJun 2025
19
ANDPAD

ANDPAD is a cloud construction project management platform that unifies site operations and busin...

Tokyo, Japan201–500Construction, PropTech
Series DTotal funding$147.5MSep 2022
20
Playco

Playco is the world's first instant gaming company, building games people can play together acros...

Tokyo, Japan51–200Gaming
Corporate RoundTotal funding$140.0MJan 2022
21
Astroscale

Global on-orbit servicing company that provides trusted, value-driven solutions through local com...

Tokyo, Japan201–500Defense Tech, Space Tech
Growth EquityTotal funding$133.5MMay 2026
22
Tier IV

Japanese autonomous driving company developing open-source software (Autoware) to advance self-dr...

Tokyo, JapanArtificial Intelligence
Series ATotal funding$130.5MMay 2019
23
Josys

Corporate IT SaaS Platform

Tokyo, Japan201–500Cybersecurity, SaaS
Series BTotal funding$125.0MSep 2023
24
AI Medical Services

Japanese medtech company developing AI-powered endoscopy diagnostic tools to detect gastrointesti...

Tokyo, Japan51–200Artificial Intelligence, Diagnostics
Series BTotal funding$121.9MOct 2019
25
NOT A HOTEL

Real estate in Japan

Tokyo, Japan201–500Real Estate
Series CTotal funding$116.8MJan 2026