/Investor DB

PROSPER

Private equity

Tokyo · Growth–Late Stage · 25 people tracked

Also known as PROSPER Inc.

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Investment thesis

PROSPER invests primarily in B2C small and medium-sized enterprises in Japan, focusing on tourism and lodging, sports, food and beverage, and other sectors where PROSPER and Plan-Do-See's expertise applies. The firm aims to revitalize local regions by improving portfolio companies' products, services, and workplaces. A distinctive feature is hands-on value creation: experienced Plan-Do-See members are dispatched to portfolio companies to strengthen organizational capabilities (team building) and redesign B2C customer value. The firm emphasizes building passionate co-creation relationships with founders. PROSPER is a signatory to the UN-supported Principles for Responsible Investment (PRI), reflecting its commitment to ESG-conscious, responsible investing supporting sustainable regional growth.

Source: firm website, verified Aug 27, 2026.

Stage
Growth–Late Stage
HQ
Tokyo, JP
Instruments
Equity
Founded
2023
Last 12 months
1 investment
Tracked investments
2

Team · 25 people

from the firm's website

What they invest in

from 1 of 2 portfolio companies

Climate Tech ×1Crypto & Web3 ×1Energy ×1

Investments · 2 tracked

founders shown can be your intro path
Combindercombinder.ioin𝕏

Combinder operates a decentralized physical infrastructure network (DePIN) that lets households connect their distributed energy resources (DERs) such as smart devices and EV chargers to provide grid flexibility and data.

Climate TechCrypto & Web3Energy

Kai Siefert(Founder)in

Co-investorsBloom / Giesen Family Office1kxMoonrock CapitalOutlier Ventures

Other

Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.

Toikan

Frequently asked questions

What stage does PROSPER invest at?
PROSPER invests at the Growth, Late Stage stages.
What sectors does PROSPER focus on?
PROSPER focuses on Consumer, FoodTech, Impact & Social Good, Sector Agnostic, Sports Tech, Travel & Hospitality.
Where is PROSPER located?
PROSPER is headquartered in Tokyo, JP.

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