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Mizuho Bank Portfolio Companies

Investor actively backing innovative startups and growth-stage companies across various industries and funding rounds.

Last updated: July 2026

Mizuho Bank Investment Overview

Portfolio Companies
178
Total Invested
$12.8B
Average Investment
$110.4M

Mizuho Bank's Most Recent Investments (2020+)

Company NameFoundedFunding StageAmountCity
THE RICH2026Debt Financing$6.3MTokyo
X Mile2026Series UnknownUndisclosedTokyo
Cellest2026Debt Financing$4.8MOsaka-shi
Akari Hosho2026Debt FinancingUndisclosedOsaka
AstroX2026Series AUndisclosedMinami-soma
Ark Edge Space2026Debt Financing$19.3MTokyo
Goals2026Debt Financing$6.5MTokyo
Spectee2026Series E$8.1MTokyo
Space BD2026Series C$15.4MTokyo
Tohakusha2026Debt Financing$442KShibuya

Complete List of Mizuho Bank Portfolio Companies (178)

Export
#CompanyStageAmountLocation
51THE RICHDebt Financing$6.3MTokyo, Japan
52X MileSeries UnknownUndisclosedTokyo, Japan
53CellestDebt Financing$4.8MOsaka-shi, Japan
54Akari HoshoDebt FinancingUndisclosedOsaka, Japan
55AstroXSeries AUndisclosedMinami-soma, Japan
56Ark Edge SpaceDebt Financing$19.3MTokyo, Japan
57GoalsDebt Financing$6.5MTokyo, Japan
58SpecteeSeries E$8.1MTokyo, Japan
59Space BDSeries C$15.4MTokyo, Japan
60TohakushaDebt Financing$442KShibuya, Japan
BeautyCosmeticsCustomer Service

THE RICH is a hair care brand that contains silk regenerating and repairing ingredients.

Tokyo, Japan
March 2026
$6.3M
Debt Financing

Founder Contacts

19,000+ verified contacts

Human ResourcesLogisticsSocialTransportation

X Mile is an HR platform that connects logistics companies and drivers.

Tokyo, Japan
February 2026
Series Unknown

Founder Contacts

19,000+ verified contacts

AppsE-CommerceSalesShopping

Cellest is a live commerce platform that allows customers to ask questions and buy products while watching live streaming.

Osaka-shi, Japan
February 2026
$4.8M
Debt Financing

Founder Contacts

19,000+ verified contacts

AdviceConsultingProfessional Services

Akari Hosho which provides lifetime support and identity guarantee services for the elderly in compliance with national guidelines.

Osaka, Japan
February 2026
Debt Financing

Founder Contacts

19,000+ verified contacts

AerospaceIndustrialSpace Travel

AstroX is a private space company that develops satellite launch vehicles for space development.

Minami-soma, Japan
February 2026
Series A

Founder Contacts

19,000+ verified contacts

ManufacturingSatellite CommunicationSoftwareSpace Travel

Ark Edge Space is a manufacturing firm that offers microsatellite design, development, production, and operational services.

Tokyo, Japan
February 2026
$19.3M
Debt Financing

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)Food and BeverageSupply Chain Management

Goals specializes in development, sales and operational support for cloud services for food service companies.

Tokyo, Japan
February 2026
$6.5M
Debt Financing

Founder Contacts

19,000+ verified contacts

AppsNewsPublishingSocial MediaSocial News

Spectee is a start-up company that specializes in analyzing various data especially on social media.

Tokyo, Japan
January 2026
$8.1M
Series E

Founder Contacts

19,000+ verified contacts

AerospaceSpace TravelTechnical SupportTraining

Space BD is a technology company that specializes in launch brokerage, satellite procurement support, training, and in-orbit services.

Tokyo, Japan
January 2026
$15.4M
Series C

Founder Contacts

19,000+ verified contacts

Content CreatorsCreative AgencyDigital EntertainmentE-CommerceWeb Development

Tohakusha is a agency that offers design, production and sale of digital content and EC websites, and content creation services.

Shibuya, Japan
January 2026
$442K
Debt Financing

Founder Contacts

19,000+ verified contacts

AppsFreelanceMobile Apps

Taxnap develops an app that is designed to help freelancers streamline their tax returns and simplify the filing process.

Ogikubo, Japan
January 2026
$8.2M
Series A

Founder Contacts

19,000+ verified contacts

Information TechnologySocialWellness

UnlimiTech provides an industrial workflow tool that simplifies and automates complicated spreadsheets.

Minato, Japan
January 2026
$478K
Seed

Founder Contacts

19,000+ verified contacts

Human ResourcesMedia and EntertainmentReal EstateRental Property

LivCo is a support service company that offers HR, life support, real estate rental brokerage, and media platform solutions for foreigners.

Shinjuku, Japan
January 2026
$11.5M
Debt Financing

Founder Contacts

19,000+ verified contacts

BiotechnologyHealth CareMedicalService IndustryTherapeutics

Rakuten Medical is a biotechnology company developing investigational cancer therapies based on its proprietary Alluminox platform.

San Diego, United States
January 2026
$100.0M
Series F

Founder Contacts

19,000+ verified contacts

Artificial Intelligence (AI)Real EstateReal Estate InvestmentSatellite Communication

Penetrator transforms the real estate market with space technology, tackling transaction issues and forming landslide observation systems.

Tokyo, Japan
December 2025
$2.9M
Debt Financing

Founder Contacts

19,000+ verified contacts

AgricultureAgTechFarming

Oishii is a vertical farming company that grows fruit in an indoor vertical farm at commercial scale.

Jersey City, United States
December 2025
Series Unknown

Founder Contacts

19,000+ verified contacts

Low Code provides business improvement and adoption to major companies by utilizing the generative AI utilization.

Tokyo, Japan
December 2025
$2.6M
Debt Financing

Founder Contacts

19,000+ verified contacts

Electrical DistributionEnergySolarSustainability

Sharing Energy supports distributed resources like residential solar systems to drive prosumer-led energy innovation and sustainability.

Shimbashi, Japan
December 2025
$20.2M
Series C

Founder Contacts

19,000+ verified contacts

EnergyEnergy StorageRenewable Energy

Potentia Energy is an energy industry that offers development, construction, and operation of solar, wind, and storage for industries.

Sydney, Australia
December 2025
$553.0M
Debt Financing

Founder Contacts

19,000+ verified contacts

Clean EnergyElectrical DistributionEnergyRenewable Energy

Clean Energy Connect arranges green electricity solutions to help the corporate customers.

Otemachi, Japan
December 2025
$23.6M
Debt Financing

Founder Contacts

19,000+ verified contacts

eSportsEvent ManagementEvent Promotion

Reject is an esports and entertainment organization that provides team management, creativity, and culture to foster communication.

Tokyo, Japan
December 2025
Debt Financing

Founder Contacts

19,000+ verified contacts

Career PlanningHuman ResourcesIT ManagementManagement Consulting

Compass operates an online consultation platform intended to provide career guidance.

Hyogo, Japan
December 2025
$1.5M
Series B

Founder Contacts

19,000+ verified contacts

Food and BeverageFood ProcessingHospitalityRestaurants

Manpuku Holdings is a food and beverage company that specializes in sushi, yakiniku, fried chicken, bento, and rice balls.

Tokyo, Japan
December 2025
$12.2M
Series C

Founder Contacts

19,000+ verified contacts

AnimationArtificial Intelligence (AI)Digital Entertainment

Creator's X is an anime production firm that focuses on developing animation production assistance tools using AI.

Higashi-shinagawa, Japan
November 2025
$12.2M
Series A

Founder Contacts

19,000+ verified contacts

Business Information SystemsCloud ComputingManufacturing

Nexta is a developer and operator of Smart F a cloud-based factory improvement system platform for the manufacturing industry.

Osaka, Japan
November 2025
$5.1M
Series B

Founder Contacts

19,000+ verified contacts

Showing 51-75 of 178 portfolio companies

Frequently Asked Questions About Mizuho Bank

How many companies has Mizuho Bank invested in?

Mizuho Bank has invested in 178 companies tracked in our database. The portfolio spans multiple industries and funding stages, from seed-stage startups to late-stage companies.

What industries does Mizuho Bank invest in?

Mizuho Bank's top investment sectors include Human Resources, Apps, Space Travel, Artificial Intelligence (AI), Energy. The firm invests across 68 different industry categories.

What is Mizuho Bank's largest investment?

Among tracked funding rounds, Potentia Energy received $553.0M in a Debt Financing round. Mizuho Bank's total known invested capital is $12.8B.

What is the average investment size for Mizuho Bank?

Mizuho Bank's average investment size is $110.4M across its portfolio of 178 companies.

What are Mizuho Bank's most recent investments?

Recent Mizuho Bank portfolio additions include THE RICH, X Mile, Cellest, Akari Hosho, AstroX. These companies were founded in 2020 or later.

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