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12 Top startups in Toshima City for June 2026

We rank GMO Internet, AI Medical Service and Takara Printing in Toshima City along with 9 other startups based on an algorithm that scores startups based on total investment, employee count, and quarterly website traffic. Toshima City is part of Tokyo startup ecosystem which ranks #13 globally and #3 in East Asia.

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Best Startups in Toshima City for 2026

SB Score:533

GMO Internet they provide service for online advertising media, internet financial services, and more.

Industry:
Software & Data
Subindustry:
Enterprise Technology
URL:

City Rank (Toshima City)

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Regional Rank (East Asia)

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SB Score:390

AI Medical Service is a start-up company that develops artificial intelligence that brings together the wisdom of Japanese endoscopic specialists and contributes to the development of endoscopic medical care worldwide.

Industry:
Software & Data
Subindustry:
Artificial Intelligence

City Rank (Toshima City)

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Regional Rank (East Asia)

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SB Score:196

Takara Printing provides total support using the expertise they have in each field so that companies planning an IPO will achieve a smooth and expeditious listing. They provide support within Japan for the preparation of documents such as securities reports, shelf registration documents, and prospectuses necessary for the issuance of new shares, the offering of shares, and the issuance of corporate bonds, as well as support for EDINET submissions. They provide support for the preparation and disclosure of legal disclosure documents, mainly for the approximately 3,600 listed companies.

Industry:
Software & Data
Subindustry:
Enterprise Technology

City Rank (Toshima City)

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Regional Rank (East Asia)

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SB Score:177

Living Tech offers unmanned solutions for the hospitality industry, providing innovative accommodation services. Their cutting-edge technology simplifies operations and enhances guest experiences.

Industry:
Ecommerce & Retail
Subindustry:
Proptech

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Regional Rank (East Asia)

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SB Score:171

BlueBlaze provides online business school, career autonomy support media, basic knowledge of career building, case studies that serve as role models, and original research reports.

Industry:
Software & Data
Subindustry:
Enterprise Technology

City Rank (Toshima City)

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Regional Rank (East Asia)

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SB Score:160

Docodesk offers a Cloud-based VDI solution for businesses. Empower your team with secure virtual desktops accessible from anywhere. Boost productivity and collaboration with ease.

Industry:
Software & Data
Subindustry:
Cloud

City Rank (Toshima City)

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Regional Rank (East Asia)

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SB Score:132

An online M&A platform connecting sellers looking to transfer businesses with buyers seeking acquisitions. Streamlined process for seamless transactions.

Industry:
Software & Data
Subindustry:
Enterprise Technology

City Rank (Toshima City)

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Regional Rank (East Asia)

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SB Score:104

MMM Co cloud continues to provide high-value IT services to mobile apps from AWS official consulting partner of the Corporation MMM. The industry focus on cloud computing, especially cloud integration specialized for AWS (Amazon Web Services), and how to determine the intrinsic value of the cloud in the rapidly evolving cloud.

Industry:
Software & Data
Subindustry:
Web Development

City Rank (Toshima City)

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SB Score:90

STAGE is a fintech venture company that develops services using blockchain technology. It also offers website planning, design, production, operation, maintenance, and management services, as well as internet server operation and management and internet marketing and consulting.

Industry:
Fintech
Subindustry:
Fintech-Other

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SB Score:37

Polytope specializes in web service and system development using open-source CMS platforms such as WordPress, Joomla!, Drupal, and EC-CUBE. The company also utilizes no-code tools like Bubble to create web applications. Polytope specializes in delivering versatile and efficient solutions for web development projects.

Industry:
Software & Data
Subindustry:
Web Development

City Rank (Toshima City)

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Regional Rank (East Asia)

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SB Score:37

KNOCK ON THE DOOR offers a business development and business support center on a support platform for patients and their families. They provide a service for doctors that allows patients to view seizure records during epilepsy treatment.

Industry:
Healthtech
Subindustry:
Medtech

City Rank (Toshima City)

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Regional Rank (East Asia)

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Total amount:12

SB Score:533

GMO Internet they provide service for online advertising media, internet financial services, and more.

Industry:
Software & Data
Subindustry:
Enterprise Technology
URL:

City Rank (Toshima City)

0

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Regional Rank (East Asia)

0

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Global Rank (WorldWide)

0

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SB Score:390

AI Medical Service is a start-up company that develops artificial intelligence that brings together the wisdom of Japanese endoscopic specialists and contributes to the development of endoscopic medical care worldwide.

Industry:
Software & Data
Subindustry:
Artificial Intelligence

City Rank (Toshima City)

0

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Regional Rank (East Asia)

0

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Global Rank (WorldWide)

0

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SB Score:196

Takara Printing provides total support using the expertise they have in each field so that companies planning an IPO will achieve a smooth and expeditious listing. They provide support within Japan for the preparation of documents such as securities reports, shelf registration documents, and prospectuses necessary for the issuance of new shares, the offering of shares, and the issuance of corporate bonds, as well as support for EDINET submissions. They provide support for the preparation and disclosure of legal disclosure documents, mainly for the approximately 3,600 listed companies.

Industry:
Software & Data
Subindustry:
Enterprise Technology

City Rank (Toshima City)

0

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Regional Rank (East Asia)

0

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Global Rank (WorldWide)

0

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Total amount:12

SB Score:533

GMO Internet they provide service for online advertising media, internet financial services, and more.

Industry:
Software & Data
Subindustry:
Enterprise Technology
URL:

City Rank (Toshima City)

0

View

Regional Rank (East Asia)

0

View

Global Rank (WorldWide)

0

Browse
View full page
SB Score:390

AI Medical Service is a start-up company that develops artificial intelligence that brings together the wisdom of Japanese endoscopic specialists and contributes to the development of endoscopic medical care worldwide.

Industry:
Software & Data
Subindustry:
Artificial Intelligence

City Rank (Toshima City)

0

View

Regional Rank (East Asia)

0

View

Global Rank (WorldWide)

0

Browse
View full page
SB Score:196

Takara Printing provides total support using the expertise they have in each field so that companies planning an IPO will achieve a smooth and expeditious listing. They provide support within Japan for the preparation of documents such as securities reports, shelf registration documents, and prospectuses necessary for the issuance of new shares, the offering of shares, and the issuance of corporate bonds, as well as support for EDINET submissions. They provide support for the preparation and disclosure of legal disclosure documents, mainly for the approximately 3,600 listed companies.

Industry:
Software & Data
Subindustry:
Enterprise Technology

City Rank (Toshima City)

0

View

Regional Rank (East Asia)

0

View

Global Rank (WorldWide)

0

Browse
View full page

Total amount:12

SB Score:533

GMO Internet they provide service for online advertising media, internet financial services, and more.

Industry:
Software & Data
Subindustry:
Enterprise Technology
URL:

City Rank (Toshima City)

0

View

Regional Rank (East Asia)

0

View

Global Rank (WorldWide)

0

Browse
View full page
SB Score:390

AI Medical Service is a start-up company that develops artificial intelligence that brings together the wisdom of Japanese endoscopic specialists and contributes to the development of endoscopic medical care worldwide.

Industry:
Software & Data
Subindustry:
Artificial Intelligence

City Rank (Toshima City)

0

View

Regional Rank (East Asia)

0

View

Global Rank (WorldWide)

0

Browse
View full page
SB Score:196

Takara Printing provides total support using the expertise they have in each field so that companies planning an IPO will achieve a smooth and expeditious listing. They provide support within Japan for the preparation of documents such as securities reports, shelf registration documents, and prospectuses necessary for the issuance of new shares, the offering of shares, and the issuance of corporate bonds, as well as support for EDINET submissions. They provide support for the preparation and disclosure of legal disclosure documents, mainly for the approximately 3,600 listed companies.

Industry:
Software & Data
Subindustry:
Enterprise Technology

City Rank (Toshima City)

0

View

Regional Rank (East Asia)

0

View

Global Rank (WorldWide)

0

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Total amount:12

Most Funded Startups in Toshima City for 2026

The top three most funded startups in Toshima City have raised total funding of more than USD 117M. AI Medical Service has 56.02% more funding than GMO Internet.
SB Score:390

AI Medical Service is a start-up company that develops artificial intelligence that brings together the wisdom of Japanese endoscopic specialists and contributes to the development of endoscopic medical care worldwide.

Industry:
Software & Data
Subindustry:
Artificial Intelligence

City Rank (Toshima City)

0

View

Regional Rank (East Asia)

0

View

Global Rank (WorldWide)

0

Browse
View full page
SB Score:533

GMO Internet they provide service for online advertising media, internet financial services, and more.

Industry:
Software & Data
Subindustry:
Enterprise Technology
URL:

City Rank (Toshima City)

0

View

Regional Rank (East Asia)

0

View

Global Rank (WorldWide)

0

Browse
View full page
SB Score:177

Living Tech offers unmanned solutions for the hospitality industry, providing innovative accommodation services. Their cutting-edge technology simplifies operations and enhances guest experiences.

Industry:
Ecommerce & Retail
Subindustry:
Proptech

City Rank (Toshima City)

0

View

Regional Rank (East Asia)

0

View

Global Rank (WorldWide)

0

Browse
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Total amount:12

Top Hiring Startups in Toshima City by Employee Number

The top three hiring startups in Toshima City have an median employee size that is between [501-1000]
SB Score:533

GMO Internet they provide service for online advertising media, internet financial services, and more.

Industry:
Software & Data
Subindustry:
Enterprise Technology
URL:

City Rank (Toshima City)

0

View

Regional Rank (East Asia)

0

View

Global Rank (WorldWide)

0

Browse
View full page
SB Score:196

Takara Printing provides total support using the expertise they have in each field so that companies planning an IPO will achieve a smooth and expeditious listing. They provide support within Japan for the preparation of documents such as securities reports, shelf registration documents, and prospectuses necessary for the issuance of new shares, the offering of shares, and the issuance of corporate bonds, as well as support for EDINET submissions. They provide support for the preparation and disclosure of legal disclosure documents, mainly for the approximately 3,600 listed companies.

Industry:
Software & Data
Subindustry:
Enterprise Technology

City Rank (Toshima City)

0

View

Regional Rank (East Asia)

0

View

Global Rank (WorldWide)

0

Browse
View full page
SB Score:390

AI Medical Service is a start-up company that develops artificial intelligence that brings together the wisdom of Japanese endoscopic specialists and contributes to the development of endoscopic medical care worldwide.

Industry:
Software & Data
Subindustry:
Artificial Intelligence

City Rank (Toshima City)

0

View

Regional Rank (East Asia)

0

View

Global Rank (WorldWide)

0

Browse
View full page
SB Score:132

An online M&A platform connecting sellers looking to transfer businesses with buyers seeking acquisitions. Streamlined process for seamless transactions.

Industry:
Software & Data
Subindustry:
Enterprise Technology

City Rank (Toshima City)

0

View

Regional Rank (East Asia)

0

View

Global Rank (WorldWide)

0

Browse
View full page

Total amount:12

Explore the Startup Ecosystem of Toshima City

National Rank

(Japan)

new

Regional Rank

(East Asia)

3rd

0

Global Rank

(WorldWide)

13th

1

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Top Cities for Startups in Japan - Ranked by StartupBlink

StartupBlink ranks the startup ecosystems of more than 100 countries and 1,000 cities. Download our latest Global Startup Ecosystem Report.
2026 National Rank CityGlobal RankTotal ScoreAnnual GrowthQuantity ScoreQuality ScoreBusiness Score
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